./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label26.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 0625600491f7606c1783d92f1f76e95d9592d51f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:47:00,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:47:00,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:47:00,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:47:00,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:47:00,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:47:00,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:47:00,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:47:00,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:47:00,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:47:00,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:47:00,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:47:00,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:47:00,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:47:00,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:47:00,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:47:00,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:47:00,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:47:00,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:47:00,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:47:00,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:47:00,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:47:00,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:47:00,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:47:00,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:47:00,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:47:00,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:47:00,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:47:00,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:47:00,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:47:00,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:47:00,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:47:00,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:47:00,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:47:00,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:47:00,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:47:00,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:47:00,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:47:00,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:47:00,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:47:00,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:47:00,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:47:00,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:47:00,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:47:00,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:47:00,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:47:00,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:47:00,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:47:00,477 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:47:00,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:47:00,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:47:00,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:47:00,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:47:00,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:47:00,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:47:00,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:47:00,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:47:00,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:47:00,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:47:00,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:47:00,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:47:00,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:47:00,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:47:00,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:47:00,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:47:00,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:47:00,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:47:00,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:47:00,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:47:00,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:47:00,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:47:00,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:47:00,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0625600491f7606c1783d92f1f76e95d9592d51f [2021-08-29 03:47:00,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:47:00,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:47:00,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:47:00,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:47:00,758 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:47:00,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2021-08-29 03:47:00,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbec25cda/b83b75fa213c40f3b4cdba95a3f3dff9/FLAG115f8ad70 [2021-08-29 03:47:01,355 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:47:01,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2021-08-29 03:47:01,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbec25cda/b83b75fa213c40f3b4cdba95a3f3dff9/FLAG115f8ad70 [2021-08-29 03:47:01,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbec25cda/b83b75fa213c40f3b4cdba95a3f3dff9 [2021-08-29 03:47:01,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:47:01,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:47:01,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:47:01,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:47:01,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:47:01,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:01,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62236c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01, skipping insertion in model container [2021-08-29 03:47:01,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:01,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:47:01,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:47:01,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c[20881,20894] [2021-08-29 03:47:01,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:47:01,940 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:47:01,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c[20881,20894] [2021-08-29 03:47:01,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:47:01,992 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:47:01,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01 WrapperNode [2021-08-29 03:47:01,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:47:01,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:47:01,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:47:01,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:47:01,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:47:02,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:47:02,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:47:02,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:47:02,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:47:02,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:47:02,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:47:02,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:47:02,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (1/1) ... [2021-08-29 03:47:02,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:47:02,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:47:02,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 03:47:02,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 03:47:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:47:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:47:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:47:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:47:02,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:47:02,398 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 03:47:02,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:02 BoogieIcfgContainer [2021-08-29 03:47:02,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:47:02,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:47:02,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:47:02,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:47:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:47:01" (1/3) ... [2021-08-29 03:47:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4409078c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:47:02, skipping insertion in model container [2021-08-29 03:47:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:01" (2/3) ... [2021-08-29 03:47:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4409078c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:47:02, skipping insertion in model container [2021-08-29 03:47:02,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:02" (3/3) ... [2021-08-29 03:47:02,404 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2021-08-29 03:47:02,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:47:02,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:47:02,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:47:02,440 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:47:02,441 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:47:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:02,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-08-29 03:47:02,462 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:02,462 INFO L513 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] [2021-08-29 03:47:02,463 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:02,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:02,466 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2021-08-29 03:47:02,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:02,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882281021] [2021-08-29 03:47:02,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:02,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:47:02,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:02,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882281021] [2021-08-29 03:47:02,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882281021] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:02,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:02,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:47:02,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837268985] [2021-08-29 03:47:02,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:02,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:02,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:02,746 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:03,291 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-08-29 03:47:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:03,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2021-08-29 03:47:03,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:03,310 INFO L225 Difference]: With dead ends: 596 [2021-08-29 03:47:03,310 INFO L226 Difference]: Without dead ends: 305 [2021-08-29 03:47:03,315 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:03,319 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 108 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 393.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.06ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 503.50ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:03,320 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 0 Invalid, 650 Unknown, 0 Unchecked, 4.06ms Time], IncrementalHoareTripleChecker [138 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 503.50ms Time] [2021-08-29 03:47:03,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-08-29 03:47:03,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-08-29 03:47:03,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-08-29 03:47:03,358 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 136 [2021-08-29 03:47:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:03,359 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-08-29 03:47:03,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-08-29 03:47:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-08-29 03:47:03,362 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:03,362 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:03,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:47:03,362 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:03,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:03,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1739122209, now seen corresponding path program 1 times [2021-08-29 03:47:03,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:03,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943404027] [2021-08-29 03:47:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:03,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:47:03,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:03,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943404027] [2021-08-29 03:47:03,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943404027] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:03,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:03,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:47:03,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581232433] [2021-08-29 03:47:03,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:03,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:03,416 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:03,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:03,895 INFO L93 Difference]: Finished difference Result 902 states and 1375 transitions. [2021-08-29 03:47:03,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:03,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2021-08-29 03:47:03,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:03,897 INFO L225 Difference]: With dead ends: 902 [2021-08-29 03:47:03,898 INFO L226 Difference]: Without dead ends: 599 [2021-08-29 03:47:03,898 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.68ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:03,899 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 193 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 363.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.74ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 460.38ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:03,900 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 0 Invalid, 511 Unknown, 0 Unchecked, 3.74ms Time], IncrementalHoareTripleChecker [28 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 460.38ms Time] [2021-08-29 03:47:03,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-08-29 03:47:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2021-08-29 03:47:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.477310924369748) internal successors, (879), 595 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 879 transitions. [2021-08-29 03:47:03,943 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 879 transitions. Word has length 147 [2021-08-29 03:47:03,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:03,943 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 879 transitions. [2021-08-29 03:47:03,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 879 transitions. [2021-08-29 03:47:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-08-29 03:47:03,947 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:03,960 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:03,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:47:03,961 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:03,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:03,962 INFO L82 PathProgramCache]: Analyzing trace with hash 959969494, now seen corresponding path program 1 times [2021-08-29 03:47:03,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:03,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815551807] [2021-08-29 03:47:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:03,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 03:47:04,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:04,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815551807] [2021-08-29 03:47:04,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815551807] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:04,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:04,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:47:04,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150186922] [2021-08-29 03:47:04,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:04,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:04,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:04,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:04,051 INFO L87 Difference]: Start difference. First operand 596 states and 879 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:04,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:04,248 INFO L93 Difference]: Finished difference Result 1040 states and 1541 transitions. [2021-08-29 03:47:04,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:04,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 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 151 [2021-08-29 03:47:04,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:04,251 INFO L225 Difference]: With dead ends: 1040 [2021-08-29 03:47:04,251 INFO L226 Difference]: Without dead ends: 446 [2021-08-29 03:47:04,253 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:04,254 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 183.78ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:04,254 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 0 Invalid, 243 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [22 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 183.78ms Time] [2021-08-29 03:47:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-08-29 03:47:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2021-08-29 03:47:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.4247191011235956) internal successors, (634), 445 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2021-08-29 03:47:04,290 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 151 [2021-08-29 03:47:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:04,290 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2021-08-29 03:47:04,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2021-08-29 03:47:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-08-29 03:47:04,301 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:04,301 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:04,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:47:04,301 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:04,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:04,302 INFO L82 PathProgramCache]: Analyzing trace with hash -90241050, now seen corresponding path program 1 times [2021-08-29 03:47:04,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:04,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379905238] [2021-08-29 03:47:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:04,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:47:04,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:04,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379905238] [2021-08-29 03:47:04,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379905238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:04,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:04,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:47:04,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689547455] [2021-08-29 03:47:04,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:04,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:04,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:04,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:04,376 INFO L87 Difference]: Start difference. First operand 446 states and 634 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:04,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:04,709 INFO L93 Difference]: Finished difference Result 1326 states and 1888 transitions. [2021-08-29 03:47:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:04,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2021-08-29 03:47:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:04,712 INFO L225 Difference]: With dead ends: 1326 [2021-08-29 03:47:04,712 INFO L226 Difference]: Without dead ends: 882 [2021-08-29 03:47:04,712 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:04,713 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 247.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.39ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 312.82ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:04,713 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 470 Unknown, 0 Unchecked, 2.39ms Time], IncrementalHoareTripleChecker [42 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 312.82ms Time] [2021-08-29 03:47:04,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-08-29 03:47:04,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 875. [2021-08-29 03:47:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 874 states have (on average 1.3729977116704806) internal successors, (1200), 874 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1200 transitions. [2021-08-29 03:47:04,728 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1200 transitions. Word has length 154 [2021-08-29 03:47:04,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:04,729 INFO L470 AbstractCegarLoop]: Abstraction has 875 states and 1200 transitions. [2021-08-29 03:47:04,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1200 transitions. [2021-08-29 03:47:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-08-29 03:47:04,731 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:04,731 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:04,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:47:04,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:04,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:04,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1636593553, now seen corresponding path program 1 times [2021-08-29 03:47:04,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:04,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122661615] [2021-08-29 03:47:04,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:04,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:47:04,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:04,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122661615] [2021-08-29 03:47:04,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122661615] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:04,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:04,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:47:04,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006905740] [2021-08-29 03:47:04,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:04,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:04,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:04,769 INFO L87 Difference]: Start difference. First operand 875 states and 1200 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:05,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:05,080 INFO L93 Difference]: Finished difference Result 2310 states and 3170 transitions. [2021-08-29 03:47:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:05,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2021-08-29 03:47:05,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:05,084 INFO L225 Difference]: With dead ends: 2310 [2021-08-29 03:47:05,084 INFO L226 Difference]: Without dead ends: 1437 [2021-08-29 03:47:05,085 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:05,086 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 140 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 238.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.18ms SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 289.45ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:05,086 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 0 Invalid, 475 Unknown, 0 Unchecked, 1.18ms Time], IncrementalHoareTripleChecker [75 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 289.45ms Time] [2021-08-29 03:47:05,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2021-08-29 03:47:05,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1297. [2021-08-29 03:47:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1296 states have (on average 1.3032407407407407) internal successors, (1689), 1296 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1689 transitions. [2021-08-29 03:47:05,103 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1689 transitions. Word has length 158 [2021-08-29 03:47:05,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:05,103 INFO L470 AbstractCegarLoop]: Abstraction has 1297 states and 1689 transitions. [2021-08-29 03:47:05,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1689 transitions. [2021-08-29 03:47:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-08-29 03:47:05,106 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:05,106 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2021-08-29 03:47:05,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 03:47:05,106 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:05,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:05,107 INFO L82 PathProgramCache]: Analyzing trace with hash 192088678, now seen corresponding path program 1 times [2021-08-29 03:47:05,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:05,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660854301] [2021-08-29 03:47:05,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:05,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-29 03:47:05,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:05,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660854301] [2021-08-29 03:47:05,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660854301] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:05,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:05,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:47:05,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382829203] [2021-08-29 03:47:05,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:05,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:05,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:05,136 INFO L87 Difference]: Start difference. First operand 1297 states and 1689 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:05,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:05,485 INFO L93 Difference]: Finished difference Result 2592 states and 3376 transitions. [2021-08-29 03:47:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:05,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 163 [2021-08-29 03:47:05,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:05,489 INFO L225 Difference]: With dead ends: 2592 [2021-08-29 03:47:05,489 INFO L226 Difference]: Without dead ends: 1297 [2021-08-29 03:47:05,490 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:05,491 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 156 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 264.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.50ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 326.05ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:05,491 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 0 Invalid, 622 Unknown, 0 Unchecked, 1.50ms Time], IncrementalHoareTripleChecker [42 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 326.05ms Time] [2021-08-29 03:47:05,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2021-08-29 03:47:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1291. [2021-08-29 03:47:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1290 states have (on average 1.248062015503876) internal successors, (1610), 1290 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1610 transitions. [2021-08-29 03:47:05,523 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1610 transitions. Word has length 163 [2021-08-29 03:47:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:05,523 INFO L470 AbstractCegarLoop]: Abstraction has 1291 states and 1610 transitions. [2021-08-29 03:47:05,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1610 transitions. [2021-08-29 03:47:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-08-29 03:47:05,526 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:05,526 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:05,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:47:05,527 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:05,527 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2021-08-29 03:47:05,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:05,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592946894] [2021-08-29 03:47:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:05,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:47:05,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:05,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592946894] [2021-08-29 03:47:05,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592946894] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:47:05,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637306814] [2021-08-29 03:47:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:05,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:47:05,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:47:05,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:47:05,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 03:47:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:05,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:47:05,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:47:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-29 03:47:05,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:47:05,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637306814] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:05,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:47:05,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 03:47:05,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171454861] [2021-08-29 03:47:05,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:05,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:05,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:47:05,981 INFO L87 Difference]: Start difference. First operand 1291 states and 1610 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:06,383 INFO L93 Difference]: Finished difference Result 3430 states and 4276 transitions. [2021-08-29 03:47:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:06,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 163 [2021-08-29 03:47:06,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:06,389 INFO L225 Difference]: With dead ends: 3430 [2021-08-29 03:47:06,389 INFO L226 Difference]: Without dead ends: 2141 [2021-08-29 03:47:06,391 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 14.56ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:47:06,391 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 295.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 375.88ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:06,391 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 666 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [42 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 375.88ms Time] [2021-08-29 03:47:06,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2021-08-29 03:47:06,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2139. [2021-08-29 03:47:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.19644527595884) internal successors, (2558), 2138 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2558 transitions. [2021-08-29 03:47:06,421 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2558 transitions. Word has length 163 [2021-08-29 03:47:06,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:06,422 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2558 transitions. [2021-08-29 03:47:06,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2558 transitions. [2021-08-29 03:47:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-08-29 03:47:06,426 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:06,426 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 03:47:06,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 03:47:06,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:47:06,641 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:06,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:06,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1045977767, now seen corresponding path program 1 times [2021-08-29 03:47:06,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:06,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338599292] [2021-08-29 03:47:06,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:06,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:47:06,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:06,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338599292] [2021-08-29 03:47:06,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338599292] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:06,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:06,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:47:06,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793811058] [2021-08-29 03:47:06,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 03:47:06,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:06,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 03:47:06,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:47:06,708 INFO L87 Difference]: Start difference. First operand 2139 states and 2558 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:07,366 INFO L93 Difference]: Finished difference Result 5302 states and 6363 transitions. [2021-08-29 03:47:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:47:07,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-08-29 03:47:07,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:07,372 INFO L225 Difference]: With dead ends: 5302 [2021-08-29 03:47:07,373 INFO L226 Difference]: Without dead ends: 2599 [2021-08-29 03:47:07,375 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.51ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-29 03:47:07,376 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 376 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 462.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.03ms SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 598.59ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:07,376 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 0 Invalid, 1105 Unknown, 0 Unchecked, 3.03ms Time], IncrementalHoareTripleChecker [186 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 598.59ms Time] [2021-08-29 03:47:07,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2599 states. [2021-08-29 03:47:07,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2599 to 2551. [2021-08-29 03:47:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2550 states have (on average 1.1133333333333333) internal successors, (2839), 2550 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 2839 transitions. [2021-08-29 03:47:07,422 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 2839 transitions. Word has length 207 [2021-08-29 03:47:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:07,422 INFO L470 AbstractCegarLoop]: Abstraction has 2551 states and 2839 transitions. [2021-08-29 03:47:07,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2839 transitions. [2021-08-29 03:47:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-08-29 03:47:07,426 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:07,427 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:07,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 03:47:07,427 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash 901541662, now seen corresponding path program 1 times [2021-08-29 03:47:07,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:07,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032837694] [2021-08-29 03:47:07,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:07,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-29 03:47:07,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:07,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032837694] [2021-08-29 03:47:07,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032837694] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:07,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:07,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:47:07,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030460340] [2021-08-29 03:47:07,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:07,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:07,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:07,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:07,469 INFO L87 Difference]: Start difference. First operand 2551 states and 2839 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:07,786 INFO L93 Difference]: Finished difference Result 4106 states and 4578 transitions. [2021-08-29 03:47:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:07,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2021-08-29 03:47:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:07,792 INFO L225 Difference]: With dead ends: 4106 [2021-08-29 03:47:07,792 INFO L226 Difference]: Without dead ends: 2125 [2021-08-29 03:47:07,793 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:07,794 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 80 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 229.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.16ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 292.93ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:07,794 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 0 Invalid, 566 Unknown, 0 Unchecked, 1.16ms Time], IncrementalHoareTripleChecker [44 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 292.93ms Time] [2021-08-29 03:47:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2021-08-29 03:47:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2021-08-29 03:47:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 2124 states have (on average 1.0819209039548023) internal successors, (2298), 2124 states have internal predecessors, (2298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2298 transitions. [2021-08-29 03:47:07,840 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2298 transitions. Word has length 229 [2021-08-29 03:47:07,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:07,840 INFO L470 AbstractCegarLoop]: Abstraction has 2125 states and 2298 transitions. [2021-08-29 03:47:07,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2298 transitions. [2021-08-29 03:47:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-08-29 03:47:07,844 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:47:07,845 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:47:07,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 03:47:07,845 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:47:07,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:47:07,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1138162939, now seen corresponding path program 1 times [2021-08-29 03:47:07,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:47:07,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532469795] [2021-08-29 03:47:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:47:07,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:47:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:47:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-29 03:47:07,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:47:07,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532469795] [2021-08-29 03:47:07,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532469795] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:47:07,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:47:07,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:47:07,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116171571] [2021-08-29 03:47:07,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:47:07,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:47:07,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:47:07,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:07,881 INFO L87 Difference]: Start difference. First operand 2125 states and 2298 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:47:08,193 INFO L93 Difference]: Finished difference Result 3109 states and 3353 transitions. [2021-08-29 03:47:08,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:47:08,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 238 [2021-08-29 03:47:08,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:47:08,194 INFO L225 Difference]: With dead ends: 3109 [2021-08-29 03:47:08,194 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 03:47:08,196 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:47:08,196 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 111 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 227.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 290.64ms IncrementalHoareTripleChecker+Time [2021-08-29 03:47:08,196 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 0 Invalid, 537 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [35 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 290.64ms Time] [2021-08-29 03:47:08,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 03:47:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 03:47:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 03:47:08,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2021-08-29 03:47:08,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:47:08,197 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 03:47:08,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:47:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 03:47:08,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 03:47:08,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:47:08,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:47:08,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 03:47:08,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:47:08,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:47:08,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-08-29 03:47:08,532 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-08-29 03:47:08,533 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-08-29 03:47:08,534 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,535 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-08-29 03:47:08,536 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-08-29 03:47:08,537 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,537 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,537 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,537 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-08-29 03:47:08,537 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-08-29 03:47:08,537 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,538 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-08-29 03:47:08,539 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-08-29 03:47:08,540 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-08-29 03:47:08,541 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-08-29 03:47:08,542 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-08-29 03:47:08,543 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-08-29 03:47:08,544 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-08-29 03:47:08,544 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-08-29 03:47:08,544 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-08-29 03:47:08,544 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-08-29 03:47:08,544 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-08-29 03:47:08,544 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse7 (<= ~a19~0 0)) (.cse0 (= ~a25~0 1)) (.cse2 (= ~a28~0 10)) (.cse3 (= ~a21~0 1)) (.cse5 (= ~a19~0 1)) (.cse1 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 9)) (.cse6 (= ~a11~0 0)) (.cse4 (<= ~a17~0 8)) (.cse9 (= ~a11~0 1)) (.cse11 (<= ~a17~0 7)) (.cse10 (<= ~a25~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse7) (and .cse8 .cse9 .cse4 .cse10) (and .cse11 .cse10 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse11 .cse4) (and .cse0 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse4) (and .cse1 .cse2 (not (= ULTIMATE.start_calculate_output_~input 4)) .cse3 .cse4 .cse5 (not .cse9) .cse10) (and .cse1 .cse8 .cse6 .cse4 .cse10) (and .cse9 .cse11 .cse10))) [2021-08-29 03:47:08,544 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-08-29 03:47:08,545 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-08-29 03:47:08,545 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-08-29 03:47:08,546 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-08-29 03:47:08,547 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse7 (<= ~a19~0 0)) (.cse0 (= ~a25~0 1)) (.cse2 (= ~a28~0 10)) (.cse3 (= ~a21~0 1)) (.cse5 (= ~a19~0 1)) (.cse1 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 9)) (.cse6 (= ~a11~0 0)) (.cse4 (<= ~a17~0 8)) (.cse9 (= ~a11~0 1)) (.cse11 (<= ~a17~0 7)) (.cse10 (<= ~a25~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse7) (and .cse8 .cse9 .cse4 .cse10) (and .cse11 .cse10 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse11 .cse4) (and .cse0 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse4) (and .cse1 .cse2 (not (= ULTIMATE.start_calculate_output_~input 4)) .cse3 .cse4 .cse5 (not .cse9) .cse10) (and .cse1 .cse8 .cse6 .cse4 .cse10) (and .cse9 .cse11 .cse10))) [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,548 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-08-29 03:47:08,549 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-08-29 03:47:08,550 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-08-29 03:47:08,551 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,552 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,554 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:47:08,554 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-08-29 03:47:08,554 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-08-29 03:47:08,554 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-08-29 03:47:08,554 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-08-29 03:47:08,554 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-08-29 03:47:08,555 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-08-29 03:47:08,558 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:47:08,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:47:08 BoogieIcfgContainer [2021-08-29 03:47:08,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:47:08,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:47:08,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:47:08,570 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:47:08,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:02" (3/4) ... [2021-08-29 03:47:08,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 03:47:08,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 03:47:08,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 03:47:08,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:47:08,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:47:08,644 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:47:08,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:47:08,644 INFO L158 Benchmark]: Toolchain (without parser) took 7021.02ms. Allocated memory was 60.8MB in the beginning and 182.5MB in the end (delta: 121.6MB). Free memory was 43.3MB in the beginning and 140.5MB in the end (delta: -97.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,645 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 27.2MB in the beginning and 27.1MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:47:08,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.05ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 31.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.49ms. Allocated memory is still 60.8MB. Free memory was 30.9MB in the beginning and 40.4MB in the end (delta: -9.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,645 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 36.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,646 INFO L158 Benchmark]: RCFGBuilder took 318.69ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.1MB in the beginning and 53.1MB in the end (delta: -17.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,646 INFO L158 Benchmark]: TraceAbstraction took 6169.40ms. Allocated memory was 83.9MB in the beginning and 182.5MB in the end (delta: 98.6MB). Free memory was 52.5MB in the beginning and 155.2MB in the end (delta: -102.7MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,646 INFO L158 Benchmark]: Witness Printer took 73.91ms. Allocated memory is still 182.5MB. Free memory was 155.2MB in the beginning and 140.5MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 03:47:08,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 27.2MB in the beginning and 27.1MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.05ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 31.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.49ms. Allocated memory is still 60.8MB. Free memory was 30.9MB in the beginning and 40.4MB in the end (delta: -9.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 36.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 318.69ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.1MB in the beginning and 53.1MB in the end (delta: -17.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6169.40ms. Allocated memory was 83.9MB in the beginning and 182.5MB in the end (delta: 98.6MB). Free memory was 52.5MB in the beginning and 155.2MB in the end (delta: -102.7MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 73.91ms. Allocated memory is still 182.5MB. Free memory was 155.2MB in the beginning and 140.5MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 590]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6122.57ms, OverallIterations: 10, TraceHistogramMax: 4, EmptinessCheckTime: 43.85ms, AutomataDifference: 4019.81ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 332.01ms, InitialAbstractionConstructionTime: 9.53ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1536 SdHoareTripleChecker+Valid, 3634.03ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1536 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2865.31ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5191 IncrementalHoareTripleChecker+Invalid, 5845 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 0 mSDtfsCounter, 5191 mSolverCounterSat, 19.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.68ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2551occurred in iteration=8, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 288.68ms AutomataMinimizationTime, 10 MinimizatonAttempts, 206 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 51 NumberOfFragments, 379 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1394 FormulaSimplificationTreeSizeReduction, 27.80ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 112 FormulaSimplificationTreeSizeReductionInter, 297.76ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 66.90ms SsaConstructionTime, 192.97ms SatisfiabilityAnalysisTime, 750.79ms InterpolantComputationTime, 1909 NumberOfCodeBlocks, 1909 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1898 ConstructedInterpolants, 0 QuantifiedInterpolants, 5268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 305 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 490/506 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((((((((a25 == 1 && 8 <= a17) && a28 == 10) && a21 == 1) && a17 <= 8) && a19 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 0) && a17 <= 8) && a19 <= 0)) || (((a28 <= 9 && a11 == 1) && a17 <= 8) && a25 <= 0)) || ((a17 <= 7 && a25 <= 0) && a19 <= 0)) || (((((a25 == 1 && 8 <= a17) && a11 == 1) && a21 == 1) && a17 <= 8) && a19 == 1)) || (((a25 == 1 && a28 <= 9) && a17 <= 7) && a17 <= 8)) || (((a25 == 1 && a28 <= 9) && a11 == 1) && a17 <= 8)) || (((((a25 == 1 && 8 <= a17) && a21 == 1) && a11 == 0) && a17 <= 8) && a19 == 1)) || (((a25 == 1 && a28 <= 9) && a11 == 0) && a17 <= 8)) || (((((((8 <= a17 && a28 == 10) && !(input == 4)) && a21 == 1) && a17 <= 8) && a19 == 1) && !(a11 == 1)) && a25 <= 0)) || ((((8 <= a17 && a28 <= 9) && a11 == 0) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a17 <= 7) && a25 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((((a25 == 1 && 8 <= a17) && a28 == 10) && a21 == 1) && a17 <= 8) && a19 == 1) || ((((a25 == 1 && 8 <= a17) && a11 == 0) && a17 <= 8) && a19 <= 0)) || (((a28 <= 9 && a11 == 1) && a17 <= 8) && a25 <= 0)) || ((a17 <= 7 && a25 <= 0) && a19 <= 0)) || (((((a25 == 1 && 8 <= a17) && a11 == 1) && a21 == 1) && a17 <= 8) && a19 == 1)) || (((a25 == 1 && a28 <= 9) && a17 <= 7) && a17 <= 8)) || (((a25 == 1 && a28 <= 9) && a11 == 1) && a17 <= 8)) || (((((a25 == 1 && 8 <= a17) && a21 == 1) && a11 == 0) && a17 <= 8) && a19 == 1)) || (((a25 == 1 && a28 <= 9) && a11 == 0) && a17 <= 8)) || (((((((8 <= a17 && a28 == 10) && !(input == 4)) && a21 == 1) && a17 <= 8) && a19 == 1) && !(a11 == 1)) && a25 <= 0)) || ((((8 <= a17 && a28 <= 9) && a11 == 0) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a17 <= 7) && a25 <= 0) RESULT: Ultimate proved your program to be correct! [2021-08-29 03:47:08,675 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...