./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer --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 9fdf43672ac1f558fbe3834cda49781026bca23f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:57:52,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:57:52,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:57:52,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:57:52,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:57:52,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:57:52,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:57:52,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:57:52,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:57:52,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:57:52,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:57:52,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:57:52,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:57:52,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:57:52,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:57:52,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:57:52,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:57:52,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:57:52,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:57:52,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:57:52,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:57:52,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:57:52,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:57:52,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:57:52,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:57:52,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:57:52,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:57:52,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:57:52,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:57:52,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:57:52,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:57:52,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:57:52,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:57:52,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:57:52,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:57:52,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:57:52,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:57:52,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:57:52,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:57:52,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:57:52,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:57:52,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 14:57:52,996 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:57:53,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:57:53,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:57:53,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:57:53,004 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:57:53,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:57:53,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:57:53,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:57:53,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:57:53,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:57:53,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:57:53,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:57:53,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:57:53,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:57:53,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:57:53,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:57:53,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:57:53,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:57:53,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:57:53,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:57:53,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:57:53,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:57:53,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:57:53,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:57:53,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:57:53,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:57:53,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 14:57:53,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:57:53,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:57:53,015 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-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fdf43672ac1f558fbe3834cda49781026bca23f [2020-12-01 14:57:53,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:57:53,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:57:53,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:57:53,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:57:53,376 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:57:53,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2020-12-01 14:57:53,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/data/da5fb7784/61f17975b08040d2b6c9a7fed970a80d/FLAG961dc47ce [2020-12-01 14:57:54,264 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:57:54,265 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2020-12-01 14:57:54,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/data/da5fb7784/61f17975b08040d2b6c9a7fed970a80d/FLAG961dc47ce [2020-12-01 14:57:54,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/data/da5fb7784/61f17975b08040d2b6c9a7fed970a80d [2020-12-01 14:57:54,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:57:54,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:57:54,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:54,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:57:54,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:57:54,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:54" (1/1) ... [2020-12-01 14:57:54,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d4932a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:54, skipping insertion in model container [2020-12-01 14:57:54,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:54" (1/1) ... [2020-12-01 14:57:54,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:57:54,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:57:55,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:55,377 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:57:55,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:57:55,704 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:57:55,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55 WrapperNode [2020-12-01 14:57:55,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:57:55,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:55,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:57:55,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:57:55,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:55,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:55,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:57:55,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:57:55,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:57:55,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:57:55,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:55,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:55,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:55,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:56,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:56,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:56,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... [2020-12-01 14:57:56,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:57:56,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:57:56,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:57:56,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:57:56,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:57:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:57:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:57:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:57:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:57:59,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:57:59,336 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 14:57:59,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:59 BoogieIcfgContainer [2020-12-01 14:57:59,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:57:59,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:57:59,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:57:59,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:57:59,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:57:54" (1/3) ... [2020-12-01 14:57:59,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42da1c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:57:59, skipping insertion in model container [2020-12-01 14:57:59,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:55" (2/3) ... [2020-12-01 14:57:59,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42da1c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:57:59, skipping insertion in model container [2020-12-01 14:57:59,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:59" (3/3) ... [2020-12-01 14:57:59,354 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label32.c [2020-12-01 14:57:59,371 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:57:59,376 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:57:59,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:57:59,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:57:59,443 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:57:59,444 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:57:59,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:57:59,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:57:59,444 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:57:59,445 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:57:59,445 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:57:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-12-01 14:57:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 14:57:59,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:57:59,482 INFO L422 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] [2020-12-01 14:57:59,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:57:59,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:59,489 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2020-12-01 14:57:59,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:59,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651934389] [2020-12-01 14:57:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:59,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651934389] [2020-12-01 14:57:59,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:57:59,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:57:59,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759700802] [2020-12-01 14:57:59,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:57:59,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:57:59,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:57:59,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:57:59,877 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-12-01 14:58:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:02,840 INFO L93 Difference]: Finished difference Result 1123 states and 2104 transitions. [2020-12-01 14:58:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:02,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-01 14:58:02,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:02,879 INFO L225 Difference]: With dead ends: 1123 [2020-12-01 14:58:02,888 INFO L226 Difference]: Without dead ends: 662 [2020-12-01 14:58:02,894 INFO L677 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 [2020-12-01 14:58:02,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-01 14:58:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-01 14:58:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-01 14:58:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2020-12-01 14:58:02,990 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 48 [2020-12-01 14:58:02,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:02,990 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2020-12-01 14:58:02,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2020-12-01 14:58:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 14:58:02,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:02,997 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:02,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 14:58:02,998 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:02,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:02,999 INFO L82 PathProgramCache]: Analyzing trace with hash -77003284, now seen corresponding path program 1 times [2020-12-01 14:58:02,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:02,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008389913] [2020-12-01 14:58:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:03,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008389913] [2020-12-01 14:58:03,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:03,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:03,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967442374] [2020-12-01 14:58:03,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 14:58:03,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:03,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 14:58:03,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 14:58:03,328 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand 4 states. [2020-12-01 14:58:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:06,891 INFO L93 Difference]: Finished difference Result 2309 states and 3414 transitions. [2020-12-01 14:58:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 14:58:06,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-12-01 14:58:06,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:06,914 INFO L225 Difference]: With dead ends: 2309 [2020-12-01 14:58:06,914 INFO L226 Difference]: Without dead ends: 1649 [2020-12-01 14:58:06,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:58:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2020-12-01 14:58:06,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2020-12-01 14:58:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-12-01 14:58:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2310 transitions. [2020-12-01 14:58:07,005 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2310 transitions. Word has length 116 [2020-12-01 14:58:07,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:07,006 INFO L481 AbstractCegarLoop]: Abstraction has 1649 states and 2310 transitions. [2020-12-01 14:58:07,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 14:58:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2310 transitions. [2020-12-01 14:58:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 14:58:07,019 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:07,019 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:07,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 14:58:07,020 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:07,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:07,021 INFO L82 PathProgramCache]: Analyzing trace with hash 195582997, now seen corresponding path program 1 times [2020-12-01 14:58:07,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:07,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815535857] [2020-12-01 14:58:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:07,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815535857] [2020-12-01 14:58:07,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:07,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:58:07,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803482488] [2020-12-01 14:58:07,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:07,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:07,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:07,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:07,280 INFO L87 Difference]: Start difference. First operand 1649 states and 2310 transitions. Second operand 3 states. [2020-12-01 14:58:09,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:09,718 INFO L93 Difference]: Finished difference Result 3625 states and 5242 transitions. [2020-12-01 14:58:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:09,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-12-01 14:58:09,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:09,746 INFO L225 Difference]: With dead ends: 3625 [2020-12-01 14:58:09,746 INFO L226 Difference]: Without dead ends: 2307 [2020-12-01 14:58:09,749 INFO L677 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 [2020-12-01 14:58:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-12-01 14:58:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-12-01 14:58:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-12-01 14:58:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3113 transitions. [2020-12-01 14:58:09,832 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3113 transitions. Word has length 179 [2020-12-01 14:58:09,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:09,834 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 3113 transitions. [2020-12-01 14:58:09,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:09,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3113 transitions. [2020-12-01 14:58:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-12-01 14:58:09,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:09,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:09,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 14:58:09,851 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:09,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2069365446, now seen corresponding path program 1 times [2020-12-01 14:58:09,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:09,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600337987] [2020-12-01 14:58:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 14:58:10,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600337987] [2020-12-01 14:58:10,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:10,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:58:10,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641841346] [2020-12-01 14:58:10,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:10,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:10,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:10,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:10,148 INFO L87 Difference]: Start difference. First operand 2307 states and 3113 transitions. Second operand 3 states. [2020-12-01 14:58:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:12,461 INFO L93 Difference]: Finished difference Result 5599 states and 7699 transitions. [2020-12-01 14:58:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:12,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-12-01 14:58:12,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:12,486 INFO L225 Difference]: With dead ends: 5599 [2020-12-01 14:58:12,487 INFO L226 Difference]: Without dead ends: 3623 [2020-12-01 14:58:12,490 INFO L677 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 [2020-12-01 14:58:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2020-12-01 14:58:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 2965. [2020-12-01 14:58:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-12-01 14:58:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3688 transitions. [2020-12-01 14:58:12,577 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3688 transitions. Word has length 214 [2020-12-01 14:58:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:12,578 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3688 transitions. [2020-12-01 14:58:12,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3688 transitions. [2020-12-01 14:58:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-12-01 14:58:12,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:12,583 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:12,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 14:58:12,584 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:12,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:12,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1212851991, now seen corresponding path program 1 times [2020-12-01 14:58:12,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:12,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113502762] [2020-12-01 14:58:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:12,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113502762] [2020-12-01 14:58:12,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:12,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:12,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602877065] [2020-12-01 14:58:12,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:12,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:12,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:12,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:12,775 INFO L87 Difference]: Start difference. First operand 2965 states and 3688 transitions. Second operand 3 states. [2020-12-01 14:58:14,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:14,689 INFO L93 Difference]: Finished difference Result 6915 states and 8657 transitions. [2020-12-01 14:58:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:14,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-12-01 14:58:14,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:14,713 INFO L225 Difference]: With dead ends: 6915 [2020-12-01 14:58:14,714 INFO L226 Difference]: Without dead ends: 3623 [2020-12-01 14:58:14,719 INFO L677 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 [2020-12-01 14:58:14,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2020-12-01 14:58:14,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 3623. [2020-12-01 14:58:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3623 states. [2020-12-01 14:58:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3623 states and 3898 transitions. [2020-12-01 14:58:14,864 INFO L78 Accepts]: Start accepts. Automaton has 3623 states and 3898 transitions. Word has length 231 [2020-12-01 14:58:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:14,865 INFO L481 AbstractCegarLoop]: Abstraction has 3623 states and 3898 transitions. [2020-12-01 14:58:14,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3623 states and 3898 transitions. [2020-12-01 14:58:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-01 14:58:14,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:14,872 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:14,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 14:58:14,872 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:14,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:14,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1381105681, now seen corresponding path program 1 times [2020-12-01 14:58:14,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:14,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16403861] [2020-12-01 14:58:14,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:58:15,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16403861] [2020-12-01 14:58:15,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:15,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:15,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971448282] [2020-12-01 14:58:15,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:15,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:15,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:15,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:15,179 INFO L87 Difference]: Start difference. First operand 3623 states and 3898 transitions. Second operand 3 states. [2020-12-01 14:58:16,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:16,878 INFO L93 Difference]: Finished difference Result 8231 states and 8905 transitions. [2020-12-01 14:58:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:16,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-12-01 14:58:16,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:16,906 INFO L225 Difference]: With dead ends: 8231 [2020-12-01 14:58:16,907 INFO L226 Difference]: Without dead ends: 4939 [2020-12-01 14:58:16,912 INFO L677 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 [2020-12-01 14:58:16,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2020-12-01 14:58:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4939. [2020-12-01 14:58:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4939 states. [2020-12-01 14:58:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5192 transitions. [2020-12-01 14:58:17,011 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5192 transitions. Word has length 283 [2020-12-01 14:58:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:17,016 INFO L481 AbstractCegarLoop]: Abstraction has 4939 states and 5192 transitions. [2020-12-01 14:58:17,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5192 transitions. [2020-12-01 14:58:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-12-01 14:58:17,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:17,025 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:17,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 14:58:17,026 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:17,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:17,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1630227729, now seen corresponding path program 1 times [2020-12-01 14:58:17,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:17,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937119296] [2020-12-01 14:58:17,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-12-01 14:58:17,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937119296] [2020-12-01 14:58:17,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:17,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:17,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275841928] [2020-12-01 14:58:17,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:17,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:17,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:17,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:17,395 INFO L87 Difference]: Start difference. First operand 4939 states and 5192 transitions. Second operand 3 states. [2020-12-01 14:58:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:19,046 INFO L93 Difference]: Finished difference Result 10863 states and 11493 transitions. [2020-12-01 14:58:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:19,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2020-12-01 14:58:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:19,084 INFO L225 Difference]: With dead ends: 10863 [2020-12-01 14:58:19,084 INFO L226 Difference]: Without dead ends: 6255 [2020-12-01 14:58:19,091 INFO L677 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 [2020-12-01 14:58:19,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2020-12-01 14:58:19,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 6255. [2020-12-01 14:58:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6255 states. [2020-12-01 14:58:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6597 transitions. [2020-12-01 14:58:19,233 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6597 transitions. Word has length 387 [2020-12-01 14:58:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:19,234 INFO L481 AbstractCegarLoop]: Abstraction has 6255 states and 6597 transitions. [2020-12-01 14:58:19,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6597 transitions. [2020-12-01 14:58:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2020-12-01 14:58:19,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:19,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 14:58:19,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 14:58:19,246 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:19,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:19,247 INFO L82 PathProgramCache]: Analyzing trace with hash -598325910, now seen corresponding path program 1 times [2020-12-01 14:58:19,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:19,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947251773] [2020-12-01 14:58:19,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-12-01 14:58:19,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947251773] [2020-12-01 14:58:19,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:19,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:19,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106482628] [2020-12-01 14:58:19,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:19,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:19,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:19,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:19,751 INFO L87 Difference]: Start difference. First operand 6255 states and 6597 transitions. Second operand 3 states. [2020-12-01 14:58:21,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:21,362 INFO L93 Difference]: Finished difference Result 13495 states and 14303 transitions. [2020-12-01 14:58:21,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:21,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 441 [2020-12-01 14:58:21,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:21,408 INFO L225 Difference]: With dead ends: 13495 [2020-12-01 14:58:21,408 INFO L226 Difference]: Without dead ends: 7571 [2020-12-01 14:58:21,416 INFO L677 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 [2020-12-01 14:58:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2020-12-01 14:58:21,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2020-12-01 14:58:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2020-12-01 14:58:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7947 transitions. [2020-12-01 14:58:21,563 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7947 transitions. Word has length 441 [2020-12-01 14:58:21,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:21,564 INFO L481 AbstractCegarLoop]: Abstraction has 7571 states and 7947 transitions. [2020-12-01 14:58:21,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7947 transitions. [2020-12-01 14:58:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2020-12-01 14:58:21,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:21,580 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 14:58:21,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 14:58:21,581 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:21,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:21,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1470153370, now seen corresponding path program 1 times [2020-12-01 14:58:21,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:21,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631886560] [2020-12-01 14:58:21,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-12-01 14:58:22,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631886560] [2020-12-01 14:58:22,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231721548] [2020-12-01 14:58:22,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:58:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:22,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:58:22,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:58:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2020-12-01 14:58:23,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:58:23,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 14:58:23,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795247702] [2020-12-01 14:58:23,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:23,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:23,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:58:23,695 INFO L87 Difference]: Start difference. First operand 7571 states and 7947 transitions. Second operand 3 states. [2020-12-01 14:58:25,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:25,239 INFO L93 Difference]: Finished difference Result 9218 states and 9631 transitions. [2020-12-01 14:58:25,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:25,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2020-12-01 14:58:25,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:25,266 INFO L225 Difference]: With dead ends: 9218 [2020-12-01 14:58:25,267 INFO L226 Difference]: Without dead ends: 9216 [2020-12-01 14:58:25,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:58:25,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2020-12-01 14:58:25,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 7900. [2020-12-01 14:58:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2020-12-01 14:58:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8289 transitions. [2020-12-01 14:58:25,460 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8289 transitions. Word has length 502 [2020-12-01 14:58:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:25,462 INFO L481 AbstractCegarLoop]: Abstraction has 7900 states and 8289 transitions. [2020-12-01 14:58:25,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8289 transitions. [2020-12-01 14:58:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2020-12-01 14:58:25,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:25,555 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:25,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-01 14:58:25,771 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:25,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:25,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1963585202, now seen corresponding path program 1 times [2020-12-01 14:58:25,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:25,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935003555] [2020-12-01 14:58:25,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 1965 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2020-12-01 14:58:27,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935003555] [2020-12-01 14:58:27,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:27,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:27,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514349349] [2020-12-01 14:58:27,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:27,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:27,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:27,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:27,680 INFO L87 Difference]: Start difference. First operand 7900 states and 8289 transitions. Second operand 3 states. [2020-12-01 14:58:29,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:29,238 INFO L93 Difference]: Finished difference Result 15469 states and 16245 transitions. [2020-12-01 14:58:29,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:29,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1243 [2020-12-01 14:58:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:29,257 INFO L225 Difference]: With dead ends: 15469 [2020-12-01 14:58:29,257 INFO L226 Difference]: Without dead ends: 7900 [2020-12-01 14:58:29,265 INFO L677 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 [2020-12-01 14:58:29,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2020-12-01 14:58:29,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2020-12-01 14:58:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2020-12-01 14:58:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8181 transitions. [2020-12-01 14:58:29,371 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8181 transitions. Word has length 1243 [2020-12-01 14:58:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:29,372 INFO L481 AbstractCegarLoop]: Abstraction has 7900 states and 8181 transitions. [2020-12-01 14:58:29,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8181 transitions. [2020-12-01 14:58:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1245 [2020-12-01 14:58:29,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:29,400 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:29,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 14:58:29,401 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:29,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:29,402 INFO L82 PathProgramCache]: Analyzing trace with hash 192849339, now seen corresponding path program 1 times [2020-12-01 14:58:29,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:29,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934083565] [2020-12-01 14:58:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 1972 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2020-12-01 14:58:30,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934083565] [2020-12-01 14:58:30,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:30,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:30,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104706696] [2020-12-01 14:58:30,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:30,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:30,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:30,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:30,987 INFO L87 Difference]: Start difference. First operand 7900 states and 8181 transitions. Second operand 3 states. [2020-12-01 14:58:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:32,156 INFO L93 Difference]: Finished difference Result 15469 states and 16029 transitions. [2020-12-01 14:58:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:32,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1244 [2020-12-01 14:58:32,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:32,174 INFO L225 Difference]: With dead ends: 15469 [2020-12-01 14:58:32,174 INFO L226 Difference]: Without dead ends: 7900 [2020-12-01 14:58:32,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:32,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2020-12-01 14:58:32,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2020-12-01 14:58:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2020-12-01 14:58:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8162 transitions. [2020-12-01 14:58:32,347 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8162 transitions. Word has length 1244 [2020-12-01 14:58:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:32,348 INFO L481 AbstractCegarLoop]: Abstraction has 7900 states and 8162 transitions. [2020-12-01 14:58:32,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8162 transitions. [2020-12-01 14:58:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2020-12-01 14:58:32,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:32,378 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 14:58:32,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 14:58:32,379 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:32,380 INFO L82 PathProgramCache]: Analyzing trace with hash -189551997, now seen corresponding path program 1 times [2020-12-01 14:58:32,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:32,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013154077] [2020-12-01 14:58:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1699 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2020-12-01 14:58:34,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013154077] [2020-12-01 14:58:34,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:34,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:34,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595667661] [2020-12-01 14:58:34,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:34,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:34,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:34,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:34,230 INFO L87 Difference]: Start difference. First operand 7900 states and 8162 transitions. Second operand 3 states. [2020-12-01 14:58:35,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:35,588 INFO L93 Difference]: Finished difference Result 16785 states and 17326 transitions. [2020-12-01 14:58:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:35,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1272 [2020-12-01 14:58:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:35,607 INFO L225 Difference]: With dead ends: 16785 [2020-12-01 14:58:35,607 INFO L226 Difference]: Without dead ends: 9216 [2020-12-01 14:58:35,617 INFO L677 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 [2020-12-01 14:58:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2020-12-01 14:58:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 8887. [2020-12-01 14:58:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-01 14:58:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9156 transitions. [2020-12-01 14:58:35,745 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9156 transitions. Word has length 1272 [2020-12-01 14:58:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:35,746 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9156 transitions. [2020-12-01 14:58:35,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9156 transitions. [2020-12-01 14:58:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1291 [2020-12-01 14:58:35,777 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:35,779 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 14:58:35,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 14:58:35,780 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:35,781 INFO L82 PathProgramCache]: Analyzing trace with hash 250121454, now seen corresponding path program 1 times [2020-12-01 14:58:35,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:35,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412609001] [2020-12-01 14:58:35,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2968 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 2647 trivial. 0 not checked. [2020-12-01 14:58:37,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412609001] [2020-12-01 14:58:37,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:37,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 14:58:37,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104153296] [2020-12-01 14:58:37,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 14:58:37,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:37,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 14:58:37,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-01 14:58:37,467 INFO L87 Difference]: Start difference. First operand 8887 states and 9156 transitions. Second operand 6 states. [2020-12-01 14:58:38,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:38,320 INFO L93 Difference]: Finished difference Result 17502 states and 18038 transitions. [2020-12-01 14:58:38,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 14:58:38,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1290 [2020-12-01 14:58:38,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:38,340 INFO L225 Difference]: With dead ends: 17502 [2020-12-01 14:58:38,341 INFO L226 Difference]: Without dead ends: 8887 [2020-12-01 14:58:38,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-01 14:58:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-12-01 14:58:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-12-01 14:58:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-01 14:58:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9150 transitions. [2020-12-01 14:58:38,449 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9150 transitions. Word has length 1290 [2020-12-01 14:58:38,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:38,450 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9150 transitions. [2020-12-01 14:58:38,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 14:58:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9150 transitions. [2020-12-01 14:58:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1300 [2020-12-01 14:58:38,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:38,479 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:38,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 14:58:38,480 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:38,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:38,480 INFO L82 PathProgramCache]: Analyzing trace with hash 775522393, now seen corresponding path program 1 times [2020-12-01 14:58:38,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:38,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435495456] [2020-12-01 14:58:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2959 backedges. 2140 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2020-12-01 14:58:40,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435495456] [2020-12-01 14:58:40,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:40,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 14:58:40,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637227160] [2020-12-01 14:58:40,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 14:58:40,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:40,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 14:58:40,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 14:58:40,868 INFO L87 Difference]: Start difference. First operand 8887 states and 9150 transitions. Second operand 6 states. [2020-12-01 14:58:42,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:42,701 INFO L93 Difference]: Finished difference Result 17519 states and 18043 transitions. [2020-12-01 14:58:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 14:58:42,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1299 [2020-12-01 14:58:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:42,718 INFO L225 Difference]: With dead ends: 17519 [2020-12-01 14:58:42,719 INFO L226 Difference]: Without dead ends: 8963 [2020-12-01 14:58:42,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-01 14:58:42,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8963 states. [2020-12-01 14:58:42,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8963 to 8887. [2020-12-01 14:58:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-01 14:58:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9143 transitions. [2020-12-01 14:58:42,848 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9143 transitions. Word has length 1299 [2020-12-01 14:58:42,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:42,849 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9143 transitions. [2020-12-01 14:58:42,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 14:58:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9143 transitions. [2020-12-01 14:58:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1314 [2020-12-01 14:58:42,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:42,880 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:42,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-01 14:58:42,881 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:42,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:42,882 INFO L82 PathProgramCache]: Analyzing trace with hash 654744112, now seen corresponding path program 1 times [2020-12-01 14:58:42,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:42,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104245434] [2020-12-01 14:58:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2838 backedges. 2056 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2020-12-01 14:58:45,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104245434] [2020-12-01 14:58:45,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:45,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 14:58:45,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242952066] [2020-12-01 14:58:45,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 14:58:45,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:45,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 14:58:45,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 14:58:45,070 INFO L87 Difference]: Start difference. First operand 8887 states and 9143 transitions. Second operand 4 states. [2020-12-01 14:58:46,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:46,539 INFO L93 Difference]: Finished difference Result 17462 states and 17972 transitions. [2020-12-01 14:58:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:58:46,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1313 [2020-12-01 14:58:46,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:46,552 INFO L225 Difference]: With dead ends: 17462 [2020-12-01 14:58:46,553 INFO L226 Difference]: Without dead ends: 8906 [2020-12-01 14:58:46,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:58:46,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8906 states. [2020-12-01 14:58:46,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8906 to 8887. [2020-12-01 14:58:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-01 14:58:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9141 transitions. [2020-12-01 14:58:46,672 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9141 transitions. Word has length 1313 [2020-12-01 14:58:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:46,674 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9141 transitions. [2020-12-01 14:58:46,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 14:58:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9141 transitions. [2020-12-01 14:58:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1463 [2020-12-01 14:58:46,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:46,705 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:46,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 14:58:46,706 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:46,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:46,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1034230327, now seen corresponding path program 1 times [2020-12-01 14:58:46,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:46,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926285066] [2020-12-01 14:58:46,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 1587 proven. 1202 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2020-12-01 14:58:50,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926285066] [2020-12-01 14:58:50,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207111644] [2020-12-01 14:58:50,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:58:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:50,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:58:50,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:58:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 2372 proven. 0 refuted. 0 times theorem prover too weak. 1741 trivial. 0 not checked. [2020-12-01 14:58:53,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:58:53,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-01 14:58:53,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567021495] [2020-12-01 14:58:53,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:53,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:53,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:53,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 14:58:53,687 INFO L87 Difference]: Start difference. First operand 8887 states and 9141 transitions. Second operand 3 states. [2020-12-01 14:58:54,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:54,780 INFO L93 Difference]: Finished difference Result 17443 states and 17949 transitions. [2020-12-01 14:58:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:54,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1462 [2020-12-01 14:58:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:54,792 INFO L225 Difference]: With dead ends: 17443 [2020-12-01 14:58:54,792 INFO L226 Difference]: Without dead ends: 8887 [2020-12-01 14:58:54,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1466 GetRequests, 1462 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 14:58:54,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-12-01 14:58:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-12-01 14:58:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-01 14:58:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9106 transitions. [2020-12-01 14:58:54,899 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9106 transitions. Word has length 1462 [2020-12-01 14:58:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:54,901 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9106 transitions. [2020-12-01 14:58:54,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:54,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9106 transitions. [2020-12-01 14:58:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1793 [2020-12-01 14:58:54,942 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:58:54,943 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:58:55,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-01 14:58:55,158 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:58:55,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:58:55,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1677586461, now seen corresponding path program 1 times [2020-12-01 14:58:55,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:58:55,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070908420] [2020-12-01 14:58:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:58:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:58:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6580 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 6121 trivial. 0 not checked. [2020-12-01 14:58:57,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070908420] [2020-12-01 14:58:57,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:58:57,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:58:57,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731132603] [2020-12-01 14:58:57,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:58:57,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:58:57,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:58:57,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:58:57,753 INFO L87 Difference]: Start difference. First operand 8887 states and 9106 transitions. Second operand 3 states. [2020-12-01 14:58:59,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:58:59,154 INFO L93 Difference]: Finished difference Result 23363 states and 23966 transitions. [2020-12-01 14:58:59,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:58:59,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1792 [2020-12-01 14:58:59,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:58:59,157 INFO L225 Difference]: With dead ends: 23363 [2020-12-01 14:58:59,157 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 14:58:59,164 INFO L677 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 [2020-12-01 14:58:59,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 14:58:59,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 14:58:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 14:58:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 14:58:59,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1792 [2020-12-01 14:58:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:58:59,166 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:58:59,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:58:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:58:59,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 14:58:59,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 14:58:59,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 14:58:59,284 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2020-12-01 14:58:59,439 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 106 [2020-12-01 14:58:59,592 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 106 [2020-12-01 14:58:59,951 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2020-12-01 14:59:00,422 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 46 [2020-12-01 14:59:00,955 WARN L197 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 46 [2020-12-01 14:59:00,960 INFO L262 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,961 INFO L262 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,961 INFO L262 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,961 INFO L262 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,961 INFO L262 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,961 INFO L262 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,961 INFO L262 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,962 INFO L262 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,962 INFO L262 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,962 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,962 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,962 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,962 INFO L262 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,963 INFO L262 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,964 INFO L262 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,965 INFO L262 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,966 INFO L262 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,967 INFO L262 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,968 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,969 INFO L262 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,970 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,971 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 14:59:00,972 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,972 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 14:59:00,972 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 14:59:00,973 INFO L258 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse3 (= ~a16~0 10))) (let ((.cse5 (= ~a12~0 9)) (.cse0 (not .cse3)) (.cse1 (<= ~a12~0 7)) (.cse2 (<= ~a16~0 11)) (.cse4 (= ~a12~0 8)) (.cse6 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~a15~0 3) .cse3 .cse4) (and (<= 4 ~a15~0) .cse0 .cse4 .cse2) (and .cse5 .cse6) (and (= ~a12~0 6) .cse2) (and .cse5 .cse0 .cse2) (and .cse1 .cse6) (and .cse4 (<= (+ ~a18~0 156) 0) .cse6) (and .cse4 .cse6 (<= 27 ~a18~0)) (and .cse2 (<= ~a12~0 5)) (and (<= 11 ~a16~0) .cse4 .cse6) (and (<= ~a16~0 8) .cse6)))) [2020-12-01 14:59:00,973 INFO L262 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,973 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,973 INFO L262 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,973 INFO L262 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,973 INFO L262 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,973 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 14:59:00,974 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,975 INFO L262 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,976 INFO L262 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 14:59:00,977 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,978 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,979 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 14:59:00,980 INFO L262 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,980 INFO L258 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse3 (= ~a16~0 10))) (let ((.cse5 (= ~a12~0 9)) (.cse1 (<= ~a12~0 7)) (.cse0 (not .cse3)) (.cse2 (<= ~a16~0 11)) (.cse4 (= ~a12~0 8)) (.cse6 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~a15~0 3) .cse3 .cse4) (and .cse5 .cse6) (and (= ~a12~0 6) .cse2) (and .cse5 .cse0 .cse2) (and .cse1 .cse6) (and .cse0 (<= 4 ~a15~0) .cse4 .cse2) (and .cse4 (<= (+ ~a18~0 156) 0) .cse6) (and .cse4 .cse6 (<= 27 ~a18~0)) (and .cse2 (<= ~a12~0 5)) (and (<= 11 ~a16~0) .cse4 .cse6) (and (<= ~a16~0 8) .cse6)))) [2020-12-01 14:59:00,980 INFO L262 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,980 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,980 INFO L262 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 14:59:00,981 INFO L262 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 14:59:00,982 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,983 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 14:59:00,983 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 14:59:00,983 INFO L262 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,983 INFO L265 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-12-01 14:59:00,983 INFO L262 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,983 INFO L262 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,983 INFO L262 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,984 INFO L262 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,985 INFO L262 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,986 INFO L262 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,987 INFO L262 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,988 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 14:59:00,988 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 14:59:00,988 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 14:59:00,988 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 14:59:00,988 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L258 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse3 (= ~a16~0 10))) (let ((.cse5 (= ~a12~0 9)) (.cse0 (not .cse3)) (.cse1 (<= ~a12~0 7)) (.cse2 (<= ~a16~0 11)) (.cse4 (= ~a12~0 8)) (.cse6 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~a15~0 3) .cse3 .cse4) (and (<= 4 ~a15~0) .cse0 .cse4 .cse2) (and .cse5 .cse6) (and (= ~a12~0 6) .cse2) (and .cse5 .cse0 .cse2) (and .cse1 .cse6) (and .cse4 (<= (+ ~a18~0 156) 0) .cse6) (and .cse4 .cse6 (<= 27 ~a18~0)) (and .cse2 (<= ~a12~0 5)) (and (<= 11 ~a16~0) .cse4 .cse6) (and (<= ~a16~0 8) .cse6)))) [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,989 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 14:59:00,990 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,991 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,992 INFO L262 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,993 INFO L262 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,994 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,995 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,995 INFO L262 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,995 INFO L262 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,995 INFO L262 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,995 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 14:59:00,995 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,996 INFO L262 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,997 INFO L262 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,998 INFO L262 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:00,999 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,000 INFO L262 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,001 INFO L262 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,002 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,003 INFO L262 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 14:59:01,004 INFO L262 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,005 INFO L262 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,006 INFO L262 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,007 INFO L262 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,008 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,009 INFO L262 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,010 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,011 INFO L262 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,012 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 14:59:01,013 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 14:59:01,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:59:01 BoogieIcfgContainer [2020-12-01 14:59:01,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:59:01,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:59:01,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:59:01,041 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:59:01,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:59" (3/4) ... [2020-12-01 14:59:01,045 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 14:59:01,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 14:59:01,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 14:59:01,098 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:59:01,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:59:01,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1802509d-a6c8-4407-a164-6d11091a6389/bin/uautomizer/witness.graphml [2020-12-01 14:59:01,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:59:01,417 INFO L168 Benchmark]: Toolchain (without parser) took 67048.58 ms. Allocated memory was 79.7 MB in the beginning and 2.9 GB in the end (delta: 2.9 GB). Free memory was 57.7 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,418 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 52.6 MB in the beginning and 52.6 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:59:01,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1335.28 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 57.5 MB in the beginning and 63.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 249.62 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 62.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,419 INFO L168 Benchmark]: Boogie Preprocessor took 183.96 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 47.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,420 INFO L168 Benchmark]: RCFGBuilder took 3196.79 ms. Allocated memory was 104.9 MB in the beginning and 176.2 MB in the end (delta: 71.3 MB). Free memory was 47.9 MB in the beginning and 73.0 MB in the end (delta: -25.2 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,420 INFO L168 Benchmark]: TraceAbstraction took 61694.67 ms. Allocated memory was 176.2 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 73.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,421 INFO L168 Benchmark]: Witness Printer took 375.47 ms. Allocated memory is still 2.9 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:59:01,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 52.6 MB in the beginning and 52.6 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1335.28 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 57.5 MB in the beginning and 63.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 249.62 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 62.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 183.96 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 47.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3196.79 ms. Allocated memory was 104.9 MB in the beginning and 176.2 MB in the end (delta: 71.3 MB). Free memory was 47.9 MB in the beginning and 73.0 MB in the end (delta: -25.2 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61694.67 ms. Allocated memory was 176.2 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 73.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 375.47 ms. Allocated memory is still 2.9 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((!(a16 == 10) && a12 <= 7) && a16 <= 11) || ((a15 == 3 && a16 == 10) && a12 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || ((a12 == 9 && !(a16 == 10)) && a16 <= 11)) || (a12 <= 7 && a15 <= 3)) || (((!(a16 == 10) && 4 <= a15) && a12 == 8) && a16 <= 11)) || ((a12 == 8 && a18 + 156 <= 0) && a15 <= 3)) || ((a12 == 8 && a15 <= 3) && 27 <= a18)) || (a16 <= 11 && a12 <= 5)) || ((11 <= a16 && a12 == 8) && a15 <= 3)) || (a16 <= 8 && a15 <= 3) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((!(a16 == 10) && a12 <= 7) && a16 <= 11) || ((a15 == 3 && a16 == 10) && a12 == 8)) || (((4 <= a15 && !(a16 == 10)) && a12 == 8) && a16 <= 11)) || (a12 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || ((a12 == 9 && !(a16 == 10)) && a16 <= 11)) || (a12 <= 7 && a15 <= 3)) || ((a12 == 8 && a18 + 156 <= 0) && a15 <= 3)) || ((a12 == 8 && a15 <= 3) && 27 <= a18)) || (a16 <= 11 && a12 <= 5)) || ((11 <= a16 && a12 == 8) && a15 <= 3)) || (a16 <= 8 && a15 <= 3) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((!(a16 == 10) && a12 <= 7) && a16 <= 11) || ((a15 == 3 && a16 == 10) && a12 == 8)) || (((4 <= a15 && !(a16 == 10)) && a12 == 8) && a16 <= 11)) || (a12 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || ((a12 == 9 && !(a16 == 10)) && a16 <= 11)) || (a12 <= 7 && a15 <= 3)) || ((a12 == 8 && a18 + 156 <= 0) && a15 <= 3)) || ((a12 == 8 && a15 <= 3) && 27 <= a18)) || (a16 <= 11 && a12 <= 5)) || ((11 <= a16 && a12 == 8) && a15 <= 3)) || (a16 <= 8 && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.7s, OverallIterations: 17, TraceHistogramMax: 11, AutomataDifference: 30.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4951 SDtfs, 5204 SDslu, 245 SDs, 0 SdLazy, 14805 SolverSat, 2554 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2026 GetRequests, 1993 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8887occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 2398 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 152 NumberOfFragments, 343 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5758 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2263 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 15280 NumberOfCodeBlocks, 15280 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 15261 ConstructedInterpolants, 0 QuantifiedInterpolants, 40382203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2336 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 32452/33696 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...