./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label39.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa --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 1e4f61af9a0cb0797f7e34da0b07a857e7ae44f0a7943fff0d2a78c0cd17574b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:55:08,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:55:08,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:55:08,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:55:08,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:55:08,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:55:08,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:55:08,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:55:08,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:55:08,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:55:08,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:55:08,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:55:08,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:55:08,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:55:08,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:55:08,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:55:08,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:55:08,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:55:08,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:55:08,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:55:08,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:55:08,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:55:08,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:55:08,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:55:08,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:55:08,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:55:08,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:55:08,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:55:08,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:55:08,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:55:08,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:55:08,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:55:08,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:55:08,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:55:08,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:55:08,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:55:08,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:55:08,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:55:08,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:55:08,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:55:08,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:55:08,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:55:08,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:55:08,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:55:08,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:55:08,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:55:08,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:55:08,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:55:08,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:55:08,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:55:08,321 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:55:08,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:55:08,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:55:08,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:55:08,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:55:08,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:55:08,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:55:08,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:55:08,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:55:08,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:55:08,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:55:08,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:55:08,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:55:08,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:55:08,325 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4f61af9a0cb0797f7e34da0b07a857e7ae44f0a7943fff0d2a78c0cd17574b [2021-12-06 21:55:08,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:55:08,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:55:08,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:55:08,539 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:55:08,540 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:55:08,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem02_label39.c [2021-12-06 21:55:08,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/data/49e46961e/41a7ac4fc6df4feca5289d8256860ecd/FLAG54d31aa34 [2021-12-06 21:55:09,005 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:55:09,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/sv-benchmarks/c/eca-rers2012/Problem02_label39.c [2021-12-06 21:55:09,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/data/49e46961e/41a7ac4fc6df4feca5289d8256860ecd/FLAG54d31aa34 [2021-12-06 21:55:09,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/data/49e46961e/41a7ac4fc6df4feca5289d8256860ecd [2021-12-06 21:55:09,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:55:09,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:55:09,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:55:09,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:55:09,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:55:09,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1ebff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09, skipping insertion in model container [2021-12-06 21:55:09,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:55:09,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:55:09,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/sv-benchmarks/c/eca-rers2012/Problem02_label39.c[18036,18049] [2021-12-06 21:55:09,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:55:09,336 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:55:09,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/sv-benchmarks/c/eca-rers2012/Problem02_label39.c[18036,18049] [2021-12-06 21:55:09,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:55:09,405 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:55:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09 WrapperNode [2021-12-06 21:55:09,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:55:09,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:55:09,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:55:09,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:55:09,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,472 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-12-06 21:55:09,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:55:09,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:55:09,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:55:09,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:55:09,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:55:09,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:55:09,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:55:09,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:55:09,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (1/1) ... [2021-12-06 21:55:09,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:55:09,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:55:09,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:55:09,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:55:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:55:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:55:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:55:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:55:09,651 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:55:09,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:55:10,217 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:55:10,227 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:55:10,227 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:55:10,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:55:10 BoogieIcfgContainer [2021-12-06 21:55:10,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:55:10,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:55:10,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:55:10,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:55:10,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:55:09" (1/3) ... [2021-12-06 21:55:10,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55977c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:55:10, skipping insertion in model container [2021-12-06 21:55:10,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:55:09" (2/3) ... [2021-12-06 21:55:10,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55977c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:55:10, skipping insertion in model container [2021-12-06 21:55:10,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:55:10" (3/3) ... [2021-12-06 21:55:10,237 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label39.c [2021-12-06 21:55:10,242 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:55:10,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:55:10,286 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:55:10,293 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:55:10,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:55:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 21:55:10,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:10,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:10,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:10,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:10,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1738135197, now seen corresponding path program 1 times [2021-12-06 21:55:10,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:10,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82545643] [2021-12-06 21:55:10,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:10,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:10,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:10,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82545643] [2021-12-06 21:55:10,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82545643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:10,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:10,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:55:10,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160642792] [2021-12-06 21:55:10,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:10,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:10,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:10,615 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 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:11,073 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-12-06 21:55:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:11,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-12-06 21:55:11,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:11,085 INFO L225 Difference]: With dead ends: 630 [2021-12-06 21:55:11,085 INFO L226 Difference]: Without dead ends: 318 [2021-12-06 21:55:11,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:11,091 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 119 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:11,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:55:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-12-06 21:55:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-12-06 21:55:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-12-06 21:55:11,136 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 111 [2021-12-06 21:55:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:11,136 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-12-06 21:55:11,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-12-06 21:55:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-06 21:55:11,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:11,141 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:11,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:55:11,142 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:11,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:11,143 INFO L85 PathProgramCache]: Analyzing trace with hash -215551336, now seen corresponding path program 1 times [2021-12-06 21:55:11,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:11,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802653900] [2021-12-06 21:55:11,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:11,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:11,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:11,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802653900] [2021-12-06 21:55:11,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802653900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:11,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:11,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:55:11,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344372688] [2021-12-06 21:55:11,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:11,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:11,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:11,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:11,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:11,208 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:11,494 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2021-12-06 21:55:11,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:11,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2021-12-06 21:55:11,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:11,499 INFO L225 Difference]: With dead ends: 919 [2021-12-06 21:55:11,499 INFO L226 Difference]: Without dead ends: 603 [2021-12-06 21:55:11,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:11,502 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 144 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:11,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 121 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 21:55:11,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-12-06 21:55:11,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2021-12-06 21:55:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2933333333333332) internal successors, (776), 600 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 776 transitions. [2021-12-06 21:55:11,533 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 776 transitions. Word has length 115 [2021-12-06 21:55:11,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:11,534 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 776 transitions. [2021-12-06 21:55:11,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 776 transitions. [2021-12-06 21:55:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-06 21:55:11,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:11,537 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:11,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:55:11,537 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:11,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:11,538 INFO L85 PathProgramCache]: Analyzing trace with hash -485950035, now seen corresponding path program 1 times [2021-12-06 21:55:11,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:11,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345399335] [2021-12-06 21:55:11,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:11,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:11,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:11,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345399335] [2021-12-06 21:55:11,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345399335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:11,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:11,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:11,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103638133] [2021-12-06 21:55:11,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:11,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:11,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:11,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:11,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:11,585 INFO L87 Difference]: Start difference. First operand 601 states and 776 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:11,845 INFO L93 Difference]: Finished difference Result 1486 states and 1976 transitions. [2021-12-06 21:55:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:11,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-12-06 21:55:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:11,849 INFO L225 Difference]: With dead ends: 1486 [2021-12-06 21:55:11,849 INFO L226 Difference]: Without dead ends: 887 [2021-12-06 21:55:11,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:11,851 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:11,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 255 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:11,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-12-06 21:55:11,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2021-12-06 21:55:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.2330316742081449) internal successors, (1090), 884 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1090 transitions. [2021-12-06 21:55:11,870 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1090 transitions. Word has length 120 [2021-12-06 21:55:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:11,870 INFO L470 AbstractCegarLoop]: Abstraction has 885 states and 1090 transitions. [2021-12-06 21:55:11,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1090 transitions. [2021-12-06 21:55:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 21:55:11,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:11,872 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 21:55:11,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:55:11,873 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:11,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:11,873 INFO L85 PathProgramCache]: Analyzing trace with hash 63576167, now seen corresponding path program 1 times [2021-12-06 21:55:11,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:11,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084650514] [2021-12-06 21:55:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:11,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:11,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:11,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084650514] [2021-12-06 21:55:11,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084650514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:11,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:11,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:55:11,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985599361] [2021-12-06 21:55:11,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:11,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:11,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:11,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:11,909 INFO L87 Difference]: Start difference. First operand 885 states and 1090 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:12,203 INFO L93 Difference]: Finished difference Result 2469 states and 3055 transitions. [2021-12-06 21:55:12,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:12,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2021-12-06 21:55:12,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:12,210 INFO L225 Difference]: With dead ends: 2469 [2021-12-06 21:55:12,210 INFO L226 Difference]: Without dead ends: 1586 [2021-12-06 21:55:12,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:12,212 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 190 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:12,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 79 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 21:55:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2021-12-06 21:55:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586. [2021-12-06 21:55:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1585 states have (on average 1.1962145110410094) internal successors, (1896), 1585 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1896 transitions. [2021-12-06 21:55:12,242 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1896 transitions. Word has length 121 [2021-12-06 21:55:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:12,243 INFO L470 AbstractCegarLoop]: Abstraction has 1586 states and 1896 transitions. [2021-12-06 21:55:12,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1896 transitions. [2021-12-06 21:55:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-06 21:55:12,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:12,245 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:12,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:55:12,246 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:12,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1699634295, now seen corresponding path program 1 times [2021-12-06 21:55:12,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:12,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803410370] [2021-12-06 21:55:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:12,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:12,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:12,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803410370] [2021-12-06 21:55:12,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803410370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:12,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:12,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:12,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247577227] [2021-12-06 21:55:12,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:12,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:12,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:12,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:12,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:12,284 INFO L87 Difference]: Start difference. First operand 1586 states and 1896 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:12,584 INFO L93 Difference]: Finished difference Result 3731 states and 4458 transitions. [2021-12-06 21:55:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:12,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2021-12-06 21:55:12,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:12,593 INFO L225 Difference]: With dead ends: 3731 [2021-12-06 21:55:12,593 INFO L226 Difference]: Without dead ends: 2147 [2021-12-06 21:55:12,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:12,595 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 143 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:12,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 270 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 21:55:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2021-12-06 21:55:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2146. [2021-12-06 21:55:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.1566433566433567) internal successors, (2481), 2145 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2481 transitions. [2021-12-06 21:55:12,639 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2481 transitions. Word has length 124 [2021-12-06 21:55:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:12,639 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2481 transitions. [2021-12-06 21:55:12,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2481 transitions. [2021-12-06 21:55:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-12-06 21:55:12,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:12,643 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:12,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:55:12,643 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:12,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:12,644 INFO L85 PathProgramCache]: Analyzing trace with hash -297769562, now seen corresponding path program 1 times [2021-12-06 21:55:12,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:12,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183614370] [2021-12-06 21:55:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:12,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:12,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:12,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183614370] [2021-12-06 21:55:12,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183614370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:12,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:12,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:12,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192974273] [2021-12-06 21:55:12,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:12,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:12,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:12,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:12,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:12,684 INFO L87 Difference]: Start difference. First operand 2146 states and 2481 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:12,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:12,962 INFO L93 Difference]: Finished difference Result 4291 states and 4962 transitions. [2021-12-06 21:55:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:12,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2021-12-06 21:55:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:12,971 INFO L225 Difference]: With dead ends: 4291 [2021-12-06 21:55:12,971 INFO L226 Difference]: Without dead ends: 2147 [2021-12-06 21:55:12,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:12,974 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 162 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:12,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 52 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2021-12-06 21:55:13,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2146. [2021-12-06 21:55:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.131002331002331) internal successors, (2426), 2145 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2426 transitions. [2021-12-06 21:55:13,011 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2426 transitions. Word has length 140 [2021-12-06 21:55:13,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:13,011 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2426 transitions. [2021-12-06 21:55:13,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2426 transitions. [2021-12-06 21:55:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-06 21:55:13,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:13,021 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:13,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:55:13,021 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:13,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:13,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1227064464, now seen corresponding path program 1 times [2021-12-06 21:55:13,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:13,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808837502] [2021-12-06 21:55:13,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:13,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:13,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:13,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808837502] [2021-12-06 21:55:13,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808837502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:13,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:13,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:13,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040130129] [2021-12-06 21:55:13,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:13,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:13,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:13,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:13,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:13,067 INFO L87 Difference]: Start difference. First operand 2146 states and 2426 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:13,355 INFO L93 Difference]: Finished difference Result 4863 states and 5614 transitions. [2021-12-06 21:55:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:13,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2021-12-06 21:55:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:13,369 INFO L225 Difference]: With dead ends: 4863 [2021-12-06 21:55:13,369 INFO L226 Difference]: Without dead ends: 2719 [2021-12-06 21:55:13,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:13,373 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 145 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:13,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 256 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 21:55:13,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2021-12-06 21:55:13,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2710. [2021-12-06 21:55:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2709 states have (on average 1.1432262827611666) internal successors, (3097), 2709 states have internal predecessors, (3097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3097 transitions. [2021-12-06 21:55:13,441 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3097 transitions. Word has length 144 [2021-12-06 21:55:13,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:13,442 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 3097 transitions. [2021-12-06 21:55:13,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3097 transitions. [2021-12-06 21:55:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-06 21:55:13,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:13,447 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:13,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 21:55:13,448 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:13,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash -627553387, now seen corresponding path program 1 times [2021-12-06 21:55:13,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:13,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715946980] [2021-12-06 21:55:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:13,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 21:55:13,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:13,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715946980] [2021-12-06 21:55:13,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715946980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:13,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:13,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:13,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845398951] [2021-12-06 21:55:13,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:13,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:55:13,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:13,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:55:13,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:55:13,573 INFO L87 Difference]: Start difference. First operand 2710 states and 3097 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:13,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:13,962 INFO L93 Difference]: Finished difference Result 6481 states and 7402 transitions. [2021-12-06 21:55:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:55:13,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 145 [2021-12-06 21:55:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:13,976 INFO L225 Difference]: With dead ends: 6481 [2021-12-06 21:55:13,976 INFO L226 Difference]: Without dead ends: 3690 [2021-12-06 21:55:13,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:55:13,980 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 142 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:13,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 117 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:55:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-12-06 21:55:14,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 2990. [2021-12-06 21:55:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 2989 states have (on average 1.1398461023753763) internal successors, (3407), 2989 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3407 transitions. [2021-12-06 21:55:14,025 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3407 transitions. Word has length 145 [2021-12-06 21:55:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:14,026 INFO L470 AbstractCegarLoop]: Abstraction has 2990 states and 3407 transitions. [2021-12-06 21:55:14,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3407 transitions. [2021-12-06 21:55:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-06 21:55:14,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:14,030 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:14,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:55:14,030 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:14,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash 212323633, now seen corresponding path program 1 times [2021-12-06 21:55:14,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:14,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907365394] [2021-12-06 21:55:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:14,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 21:55:14,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:14,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907365394] [2021-12-06 21:55:14,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907365394] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:14,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:14,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:14,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385402761] [2021-12-06 21:55:14,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:14,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:14,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:14,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:14,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:14,075 INFO L87 Difference]: Start difference. First operand 2990 states and 3407 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:14,340 INFO L93 Difference]: Finished difference Result 5540 states and 6328 transitions. [2021-12-06 21:55:14,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:14,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 175 [2021-12-06 21:55:14,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:14,349 INFO L225 Difference]: With dead ends: 5540 [2021-12-06 21:55:14,349 INFO L226 Difference]: Without dead ends: 2130 [2021-12-06 21:55:14,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:14,354 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 121 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:14,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 252 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:14,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2021-12-06 21:55:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1850. [2021-12-06 21:55:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1849 states have (on average 1.1011357490535425) internal successors, (2036), 1849 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2036 transitions. [2021-12-06 21:55:14,392 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2036 transitions. Word has length 175 [2021-12-06 21:55:14,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:14,393 INFO L470 AbstractCegarLoop]: Abstraction has 1850 states and 2036 transitions. [2021-12-06 21:55:14,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2036 transitions. [2021-12-06 21:55:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-06 21:55:14,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:14,397 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:14,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 21:55:14,398 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:14,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1817254938, now seen corresponding path program 1 times [2021-12-06 21:55:14,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:14,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76702852] [2021-12-06 21:55:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:14,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 21:55:14,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:14,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76702852] [2021-12-06 21:55:14,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76702852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:14,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:14,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:55:14,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841846297] [2021-12-06 21:55:14,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:14,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:14,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:14,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:14,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:14,456 INFO L87 Difference]: Start difference. First operand 1850 states and 2036 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:14,683 INFO L93 Difference]: Finished difference Result 4540 states and 5049 transitions. [2021-12-06 21:55:14,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:14,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 183 [2021-12-06 21:55:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:14,692 INFO L225 Difference]: With dead ends: 4540 [2021-12-06 21:55:14,692 INFO L226 Difference]: Without dead ends: 2552 [2021-12-06 21:55:14,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:55:14,698 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 139 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:14,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 212 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:14,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2021-12-06 21:55:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2411. [2021-12-06 21:55:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 2410 states have (on average 1.103734439834025) internal successors, (2660), 2410 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 2660 transitions. [2021-12-06 21:55:14,737 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 2660 transitions. Word has length 183 [2021-12-06 21:55:14,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:14,738 INFO L470 AbstractCegarLoop]: Abstraction has 2411 states and 2660 transitions. [2021-12-06 21:55:14,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2660 transitions. [2021-12-06 21:55:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-06 21:55:14,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:14,741 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:14,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 21:55:14,742 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:14,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:14,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2070776374, now seen corresponding path program 1 times [2021-12-06 21:55:14,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:14,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103266296] [2021-12-06 21:55:14,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:14,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:14,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:14,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103266296] [2021-12-06 21:55:14,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103266296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:14,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:14,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:55:14,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030568990] [2021-12-06 21:55:14,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:14,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:55:14,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:14,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:55:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:55:14,798 INFO L87 Difference]: Start difference. First operand 2411 states and 2660 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:15,138 INFO L93 Difference]: Finished difference Result 5105 states and 5617 transitions. [2021-12-06 21:55:15,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:55:15,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2021-12-06 21:55:15,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:15,146 INFO L225 Difference]: With dead ends: 5105 [2021-12-06 21:55:15,146 INFO L226 Difference]: Without dead ends: 2275 [2021-12-06 21:55:15,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:55:15,149 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 263 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:15,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 259 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 21:55:15,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2021-12-06 21:55:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2130. [2021-12-06 21:55:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2129 states have (on average 1.0685767966181305) internal successors, (2275), 2129 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2275 transitions. [2021-12-06 21:55:15,180 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2275 transitions. Word has length 209 [2021-12-06 21:55:15,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:15,180 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 2275 transitions. [2021-12-06 21:55:15,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2275 transitions. [2021-12-06 21:55:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-06 21:55:15,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:15,184 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:15,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 21:55:15,184 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:15,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:15,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1582426258, now seen corresponding path program 1 times [2021-12-06 21:55:15,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:15,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790741601] [2021-12-06 21:55:15,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:15,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 109 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:15,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:15,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790741601] [2021-12-06 21:55:15,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790741601] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:55:15,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322449513] [2021-12-06 21:55:15,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:15,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:55:15,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:55:15,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:55:15,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 21:55:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:15,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:55:15,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:55:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-06 21:55:15,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:55:15,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322449513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:15,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:55:15,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-06 21:55:15,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000031899] [2021-12-06 21:55:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:15,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:15,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:15,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:15,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:55:15,592 INFO L87 Difference]: Start difference. First operand 2130 states and 2275 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:15,851 INFO L93 Difference]: Finished difference Result 4818 states and 5151 transitions. [2021-12-06 21:55:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:15,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 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 215 [2021-12-06 21:55:15,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:15,858 INFO L225 Difference]: With dead ends: 4818 [2021-12-06 21:55:15,858 INFO L226 Difference]: Without dead ends: 1844 [2021-12-06 21:55:15,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:55:15,860 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 34 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:15,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 239 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:15,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-12-06 21:55:15,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1844. [2021-12-06 21:55:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1843 states have (on average 1.0520889853499729) internal successors, (1939), 1843 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 1939 transitions. [2021-12-06 21:55:15,880 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 1939 transitions. Word has length 215 [2021-12-06 21:55:15,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:15,881 INFO L470 AbstractCegarLoop]: Abstraction has 1844 states and 1939 transitions. [2021-12-06 21:55:15,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 1939 transitions. [2021-12-06 21:55:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-06 21:55:15,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:15,886 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:15,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:55:16,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 21:55:16,088 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:16,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:16,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2146398300, now seen corresponding path program 1 times [2021-12-06 21:55:16,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:16,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656089537] [2021-12-06 21:55:16,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:16,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 93 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:16,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:16,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656089537] [2021-12-06 21:55:16,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656089537] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:55:16,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317222383] [2021-12-06 21:55:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:16,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:55:16,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:55:16,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:55:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 21:55:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:16,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:55:16,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:55:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-06 21:55:16,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:55:16,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317222383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:16,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:55:16,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 21:55:16,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137710843] [2021-12-06 21:55:16,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:16,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:16,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:16,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:16,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:55:16,635 INFO L87 Difference]: Start difference. First operand 1844 states and 1939 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:16,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:16,804 INFO L93 Difference]: Finished difference Result 3258 states and 3439 transitions. [2021-12-06 21:55:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 241 [2021-12-06 21:55:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:16,809 INFO L225 Difference]: With dead ends: 3258 [2021-12-06 21:55:16,809 INFO L226 Difference]: Without dead ends: 1276 [2021-12-06 21:55:16,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:55:16,811 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 46 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:16,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 179 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-12-06 21:55:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1276. [2021-12-06 21:55:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1275 states have (on average 1.0392156862745099) internal successors, (1325), 1275 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1325 transitions. [2021-12-06 21:55:16,827 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1325 transitions. Word has length 241 [2021-12-06 21:55:16,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:16,827 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1325 transitions. [2021-12-06 21:55:16,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1325 transitions. [2021-12-06 21:55:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-06 21:55:16,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:16,829 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:16,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 21:55:17,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 21:55:17,030 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:17,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:17,030 INFO L85 PathProgramCache]: Analyzing trace with hash 995979598, now seen corresponding path program 1 times [2021-12-06 21:55:17,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:17,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60500941] [2021-12-06 21:55:17,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:17,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:55:17,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:17,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60500941] [2021-12-06 21:55:17,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60500941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:17,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:55:17,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:55:17,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449430859] [2021-12-06 21:55:17,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:17,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:55:17,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:17,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:55:17,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:55:17,096 INFO L87 Difference]: Start difference. First operand 1276 states and 1325 transitions. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:17,303 INFO L93 Difference]: Finished difference Result 2410 states and 2507 transitions. [2021-12-06 21:55:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:17,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2021-12-06 21:55:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:17,308 INFO L225 Difference]: With dead ends: 2410 [2021-12-06 21:55:17,308 INFO L226 Difference]: Without dead ends: 992 [2021-12-06 21:55:17,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:55:17,310 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 229 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:17,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 186 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:55:17,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2021-12-06 21:55:17,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 991. [2021-12-06 21:55:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.0232323232323233) internal successors, (1013), 990 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1013 transitions. [2021-12-06 21:55:17,327 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1013 transitions. Word has length 246 [2021-12-06 21:55:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:17,327 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1013 transitions. [2021-12-06 21:55:17,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1013 transitions. [2021-12-06 21:55:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 21:55:17,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:55:17,330 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:17,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 21:55:17,330 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:55:17,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:55:17,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2093190923, now seen corresponding path program 1 times [2021-12-06 21:55:17,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:55:17,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384128131] [2021-12-06 21:55:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:17,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:55:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 167 proven. 94 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-06 21:55:17,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:55:17,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384128131] [2021-12-06 21:55:17,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384128131] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:55:17,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797512832] [2021-12-06 21:55:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:55:17,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:55:17,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:55:17,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:55:17,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 21:55:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:55:17,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:55:17,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:55:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-06 21:55:17,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:55:17,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797512832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:55:17,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:55:17,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-06 21:55:17,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820692170] [2021-12-06 21:55:17,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:55:17,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:55:17,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:55:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:55:17,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:55:17,780 INFO L87 Difference]: Start difference. First operand 991 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:55:17,916 INFO L93 Difference]: Finished difference Result 1557 states and 1598 transitions. [2021-12-06 21:55:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:55:17,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281 [2021-12-06 21:55:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:55:17,916 INFO L225 Difference]: With dead ends: 1557 [2021-12-06 21:55:17,916 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 21:55:17,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:55:17,918 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 75 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:55:17,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 37 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:55:17,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 21:55:17,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 21:55:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 21:55:17,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2021-12-06 21:55:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:55:17,919 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:55:17,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:55:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:55:17,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 21:55:17,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 21:55:17,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 21:55:18,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 21:55:18,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,545 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-12-06 21:55:18,546 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-06 21:55:18,547 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-12-06 21:55:18,548 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-12-06 21:55:18,549 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2021-12-06 21:55:18,550 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,551 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-12-06 21:55:18,552 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1))) (let ((.cse10 (<= ~a25~0 0)) (.cse7 (<= 10 ~a28~0)) (.cse12 (not .cse3)) (.cse11 (<= ~a19~0 0)) (.cse1 (<= ~a17~0 7)) (.cse4 (= ~a11~0 0)) (.cse8 (= ~a17~0 8)) (.cse6 (<= 9 ~a28~0)) (.cse0 (= ~a11~0 1)) (.cse9 (= ~a21~0 1)) (.cse2 (<= ~a28~0 10)) (.cse5 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse4 .cse2) (and .cse7 .cse8 .cse9 .cse4 .cse2 .cse5) (and .cse6 .cse4 .cse2 .cse5 .cse10) (and .cse4 .cse2 .cse10 .cse11) (and .cse0 .cse2 .cse11) (and .cse7 .cse0 .cse2 .cse12) (and .cse8 (= ~a25~0 ~a11~0) .cse9 .cse4 .cse5 (<= ~a28~0 7)) (and (<= 11 ~a28~0) .cse0 .cse12 .cse5) (and .cse3 .cse4 .cse2 .cse11) (and .cse1 .cse4 .cse2 .cse5) (and .cse8 .cse6 .cse0 .cse9 .cse2 .cse5)))) [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-12-06 21:55:18,553 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-12-06 21:55:18,553 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-06 21:55:18,554 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1))) (let ((.cse10 (<= ~a25~0 0)) (.cse7 (<= 10 ~a28~0)) (.cse12 (not .cse3)) (.cse11 (<= ~a19~0 0)) (.cse1 (<= ~a17~0 7)) (.cse4 (= ~a11~0 0)) (.cse8 (= ~a17~0 8)) (.cse6 (<= 9 ~a28~0)) (.cse0 (= ~a11~0 1)) (.cse9 (= ~a21~0 1)) (.cse2 (<= ~a28~0 10)) (.cse5 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse4 .cse2) (and .cse7 .cse8 .cse9 .cse4 .cse2 .cse5) (and .cse6 .cse4 .cse2 .cse5 .cse10) (and .cse4 .cse2 .cse10 .cse11) (and .cse0 .cse2 .cse11) (and .cse7 .cse0 .cse2 .cse12) (and .cse8 (= ~a25~0 ~a11~0) .cse9 .cse4 .cse5 (<= ~a28~0 7)) (and (<= 11 ~a28~0) .cse0 .cse12 .cse5) (and .cse3 .cse4 .cse2 .cse11) (and .cse1 .cse4 .cse2 .cse5) (and .cse8 .cse6 .cse0 .cse9 .cse2 .cse5)))) [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-12-06 21:55:18,555 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-12-06 21:55:18,556 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-12-06 21:55:18,557 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-12-06 21:55:18,559 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:55:18,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:55:18,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:55:18 BoogieIcfgContainer [2021-12-06 21:55:18,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:55:18,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:55:18,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:55:18,577 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:55:18,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:55:10" (3/4) ... [2021-12-06 21:55:18,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 21:55:18,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 21:55:18,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 21:55:18,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 21:55:18,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:55:18,685 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:55:18,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:55:18,685 INFO L158 Benchmark]: Toolchain (without parser) took 9653.45ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 73.2MB in the beginning and 94.2MB in the end (delta: -21.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,685 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:55:18,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.04ms. Allocated memory is still 111.1MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 919.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.24ms. Allocated memory is still 111.1MB. Free memory was 72.1MB in the beginning and 66.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,686 INFO L158 Benchmark]: Boogie Preprocessor took 43.53ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 62.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,686 INFO L158 Benchmark]: RCFGBuilder took 713.01ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 50.3MB in the end (delta: 12.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,687 INFO L158 Benchmark]: TraceAbstraction took 8345.05ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 49.7MB in the beginning and 108.9MB in the end (delta: -59.2MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,687 INFO L158 Benchmark]: Witness Printer took 107.72ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 94.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 21:55:18,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.04ms. Allocated memory is still 111.1MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 919.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.24ms. Allocated memory is still 111.1MB. Free memory was 72.1MB in the beginning and 66.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.53ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 62.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 713.01ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 50.3MB in the end (delta: 12.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8345.05ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 49.7MB in the beginning and 108.9MB in the end (delta: -59.2MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Witness Printer took 107.72ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 94.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 515]: 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: 8.3s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2096 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2096 mSDsluCounter, 2633 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 291 mSDsCounter, 896 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5927 IncrementalHoareTripleChecker+Invalid, 6823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 896 mSolverCounterUnsat, 2342 mSDtfsCounter, 5927 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 783 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2990occurred in iteration=8, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1282 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 49 NumberOfFragments, 369 HoareAnnotationTreeSize, 3 FomulaSimplifications, 54 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 892 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3307 NumberOfCodeBlocks, 3307 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3289 ConstructedInterpolants, 0 QuantifiedInterpolants, 11556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1211 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 1816/2045 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: (((((((((((((a11 == 1 && a17 <= 7) && a28 <= 10) || ((a25 == 1 && a11 == 0) && a19 == 1)) || (((9 <= a28 && a17 <= 7) && a11 == 0) && a28 <= 10)) || (((((10 <= a28 && a17 == 8) && a21 == 1) && a11 == 0) && a28 <= 10) && a19 == 1)) || ((((9 <= a28 && a11 == 0) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (((a11 == 0 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((a11 == 1 && a28 <= 10) && a19 <= 0)) || (((10 <= a28 && a11 == 1) && a28 <= 10) && !(a25 == 1))) || (((((a17 == 8 && a25 == a11) && a21 == 1) && a11 == 0) && a19 == 1) && a28 <= 7)) || (((11 <= a28 && a11 == 1) && !(a25 == 1)) && a19 == 1)) || (((a25 == 1 && a11 == 0) && a28 <= 10) && a19 <= 0)) || (((a17 <= 7 && a11 == 0) && a28 <= 10) && a19 == 1)) || (((((a17 == 8 && 9 <= a28) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((a11 == 1 && a17 <= 7) && a28 <= 10) || ((a25 == 1 && a11 == 0) && a19 == 1)) || (((9 <= a28 && a17 <= 7) && a11 == 0) && a28 <= 10)) || (((((10 <= a28 && a17 == 8) && a21 == 1) && a11 == 0) && a28 <= 10) && a19 == 1)) || ((((9 <= a28 && a11 == 0) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (((a11 == 0 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((a11 == 1 && a28 <= 10) && a19 <= 0)) || (((10 <= a28 && a11 == 1) && a28 <= 10) && !(a25 == 1))) || (((((a17 == 8 && a25 == a11) && a21 == 1) && a11 == 0) && a19 == 1) && a28 <= 7)) || (((11 <= a28 && a11 == 1) && !(a25 == 1)) && a19 == 1)) || (((a25 == 1 && a11 == 0) && a28 <= 10) && a19 <= 0)) || (((a17 <= 7 && a11 == 0) && a28 <= 10) && a19 == 1)) || (((((a17 == 8 && 9 <= a28) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2021-12-06 21:55:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f154a6-125c-4899-b13b-94155f93d383/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE