./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/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 d8244fd87f8c396cbb0e88296e90e67e213acd96 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:10:02,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:10:02,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:10:02,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:10:02,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:10:02,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:10:02,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:10:02,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:10:02,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:10:02,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:10:02,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:10:02,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:10:02,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:10:02,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:10:02,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:10:02,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:10:02,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:10:02,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:10:02,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:10:02,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:10:02,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:10:02,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:10:02,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:10:02,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:10:02,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:10:02,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:10:02,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:10:02,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:10:02,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:10:02,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:10:02,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:10:02,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:10:02,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:10:02,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:10:02,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:10:02,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:10:02,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:10:02,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:10:02,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:10:02,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:10:02,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:10:02,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:10:03,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:10:03,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:10:03,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:10:03,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:10:03,031 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:10:03,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:10:03,031 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:10:03,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:10:03,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:10:03,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:10:03,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:10:03,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:10:03,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:10:03,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:10:03,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:10:03,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:10:03,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:10:03,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:10:03,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:10:03,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:10:03,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:10:03,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:10:03,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:10:03,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:10:03,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:10:03,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:10:03,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:10:03,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:10:03,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:10:03,037 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_d0175335-7ee4-4036-ad8d-55771887e646/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8244fd87f8c396cbb0e88296e90e67e213acd96 [2020-11-29 22:10:03,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:10:03,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:10:03,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:10:03,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:10:03,316 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:10:03,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c [2020-11-29 22:10:03,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/data/7e44084b1/be5ca53a353e424eb24e1b68e1d8f728/FLAG27ce9f4c7 [2020-11-29 22:10:04,057 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:10:04,058 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/sv-benchmarks/c/eca-rers2012/Problem16_label19.c [2020-11-29 22:10:04,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/data/7e44084b1/be5ca53a353e424eb24e1b68e1d8f728/FLAG27ce9f4c7 [2020-11-29 22:10:04,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/data/7e44084b1/be5ca53a353e424eb24e1b68e1d8f728 [2020-11-29 22:10:04,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:10:04,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:10:04,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:10:04,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:10:04,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:10:04,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:10:04" (1/1) ... [2020-11-29 22:10:04,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:04, skipping insertion in model container [2020-11-29 22:10:04,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:10:04" (1/1) ... [2020-11-29 22:10:04,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:10:04,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:10:05,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:10:05,172 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:10:05,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:10:05,402 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:10:05,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05 WrapperNode [2020-11-29 22:10:05,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:10:05,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:10:05,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:10:05,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:10:05,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:10:05,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:10:05,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:10:05,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:10:05,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... [2020-11-29 22:10:05,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:10:05,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:10:05,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:10:05,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:10:05,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/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 [2020-11-29 22:10:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:10:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:10:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:10:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:10:08,392 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:10:08,395 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 22:10:08,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:10:08 BoogieIcfgContainer [2020-11-29 22:10:08,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:10:08,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:10:08,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:10:08,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:10:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:10:04" (1/3) ... [2020-11-29 22:10:08,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3ba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:10:08, skipping insertion in model container [2020-11-29 22:10:08,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:05" (2/3) ... [2020-11-29 22:10:08,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3ba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:10:08, skipping insertion in model container [2020-11-29 22:10:08,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:10:08" (3/3) ... [2020-11-29 22:10:08,410 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label19.c [2020-11-29 22:10:08,421 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:10:08,426 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:10:08,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:10:08,485 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:10:08,485 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:10:08,485 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:10:08,485 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:10:08,485 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:10:08,486 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:10:08,486 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:10:08,486 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:10:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-29 22:10:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:10:08,533 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:08,533 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] [2020-11-29 22:10:08,534 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:08,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:08,540 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2020-11-29 22:10:08,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:08,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014793470] [2020-11-29 22:10:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:08,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014793470] [2020-11-29 22:10:08,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:08,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:08,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718635278] [2020-11-29 22:10:08,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:08,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:08,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:08,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:08,931 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-11-29 22:10:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:11,413 INFO L93 Difference]: Finished difference Result 1138 states and 2119 transitions. [2020-11-29 22:10:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:11,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-11-29 22:10:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:11,439 INFO L225 Difference]: With dead ends: 1138 [2020-11-29 22:10:11,440 INFO L226 Difference]: Without dead ends: 662 [2020-11-29 22:10:11,445 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 [2020-11-29 22:10:11,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-11-29 22:10:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-11-29 22:10:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-11-29 22:10:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1166 transitions. [2020-11-29 22:10:11,566 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1166 transitions. Word has length 43 [2020-11-29 22:10:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:11,567 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1166 transitions. [2020-11-29 22:10:11,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1166 transitions. [2020-11-29 22:10:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-29 22:10:11,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:11,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:11,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:10:11,578 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:11,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:11,581 INFO L82 PathProgramCache]: Analyzing trace with hash -864388740, now seen corresponding path program 1 times [2020-11-29 22:10:11,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:11,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667405] [2020-11-29 22:10:11,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:11,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667405] [2020-11-29 22:10:11,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:11,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:11,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22900557] [2020-11-29 22:10:11,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:11,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:11,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:11,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:11,817 INFO L87 Difference]: Start difference. First operand 662 states and 1166 transitions. Second operand 3 states. [2020-11-29 22:10:13,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:13,979 INFO L93 Difference]: Finished difference Result 1980 states and 3493 transitions. [2020-11-29 22:10:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:13,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-29 22:10:13,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:13,991 INFO L225 Difference]: With dead ends: 1980 [2020-11-29 22:10:13,991 INFO L226 Difference]: Without dead ends: 1320 [2020-11-29 22:10:13,998 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 [2020-11-29 22:10:14,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-11-29 22:10:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-11-29 22:10:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-11-29 22:10:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2197 transitions. [2020-11-29 22:10:14,052 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2197 transitions. Word has length 108 [2020-11-29 22:10:14,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:14,054 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 2197 transitions. [2020-11-29 22:10:14,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2197 transitions. [2020-11-29 22:10:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-29 22:10:14,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:14,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:14,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:10:14,066 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:14,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:14,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1697541660, now seen corresponding path program 1 times [2020-11-29 22:10:14,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:14,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803946927] [2020-11-29 22:10:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:14,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803946927] [2020-11-29 22:10:14,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:14,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:14,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001797820] [2020-11-29 22:10:14,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:10:14,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:14,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:10:14,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:10:14,331 INFO L87 Difference]: Start difference. First operand 1320 states and 2197 transitions. Second operand 4 states. [2020-11-29 22:10:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:17,711 INFO L93 Difference]: Finished difference Result 3625 states and 5926 transitions. [2020-11-29 22:10:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:10:17,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-11-29 22:10:17,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:17,727 INFO L225 Difference]: With dead ends: 3625 [2020-11-29 22:10:17,727 INFO L226 Difference]: Without dead ends: 2307 [2020-11-29 22:10:17,729 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 [2020-11-29 22:10:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-11-29 22:10:17,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-11-29 22:10:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-11-29 22:10:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3467 transitions. [2020-11-29 22:10:17,851 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3467 transitions. Word has length 111 [2020-11-29 22:10:17,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:17,853 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 3467 transitions. [2020-11-29 22:10:17,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:10:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3467 transitions. [2020-11-29 22:10:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-29 22:10:17,855 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:17,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:17,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:10:17,856 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:17,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:17,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1920905491, now seen corresponding path program 1 times [2020-11-29 22:10:17,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:17,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280148778] [2020-11-29 22:10:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:17,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280148778] [2020-11-29 22:10:17,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:17,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:17,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643236120] [2020-11-29 22:10:17,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:17,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:17,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:17,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:18,000 INFO L87 Difference]: Start difference. First operand 2307 states and 3467 transitions. Second operand 3 states. [2020-11-29 22:10:19,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:19,812 INFO L93 Difference]: Finished difference Result 4941 states and 7580 transitions. [2020-11-29 22:10:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:19,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-11-29 22:10:19,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:19,830 INFO L225 Difference]: With dead ends: 4941 [2020-11-29 22:10:19,830 INFO L226 Difference]: Without dead ends: 2965 [2020-11-29 22:10:19,833 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 [2020-11-29 22:10:19,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2020-11-29 22:10:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2020-11-29 22:10:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-11-29 22:10:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4245 transitions. [2020-11-29 22:10:19,909 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4245 transitions. Word has length 130 [2020-11-29 22:10:19,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:19,910 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 4245 transitions. [2020-11-29 22:10:19,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4245 transitions. [2020-11-29 22:10:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-29 22:10:19,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:19,914 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:10:19,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:10:19,915 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:19,915 INFO L82 PathProgramCache]: Analyzing trace with hash -390765212, now seen corresponding path program 1 times [2020-11-29 22:10:19,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:19,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419121312] [2020-11-29 22:10:19,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-29 22:10:20,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419121312] [2020-11-29 22:10:20,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:20,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:20,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698652161] [2020-11-29 22:10:20,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:20,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:20,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:20,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:20,183 INFO L87 Difference]: Start difference. First operand 2965 states and 4245 transitions. Second operand 3 states. [2020-11-29 22:10:21,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:21,911 INFO L93 Difference]: Finished difference Result 8231 states and 12060 transitions. [2020-11-29 22:10:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:21,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-11-29 22:10:21,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:21,943 INFO L225 Difference]: With dead ends: 8231 [2020-11-29 22:10:21,943 INFO L226 Difference]: Without dead ends: 5597 [2020-11-29 22:10:21,947 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 [2020-11-29 22:10:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-11-29 22:10:22,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2020-11-29 22:10:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-11-29 22:10:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 7264 transitions. [2020-11-29 22:10:22,075 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 7264 transitions. Word has length 231 [2020-11-29 22:10:22,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:22,076 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 7264 transitions. [2020-11-29 22:10:22,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 7264 transitions. [2020-11-29 22:10:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-11-29 22:10:22,082 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:22,082 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:22,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:10:22,083 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:22,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:22,083 INFO L82 PathProgramCache]: Analyzing trace with hash -65998230, now seen corresponding path program 1 times [2020-11-29 22:10:22,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:22,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697852283] [2020-11-29 22:10:22,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-11-29 22:10:22,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697852283] [2020-11-29 22:10:22,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:22,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:22,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229837975] [2020-11-29 22:10:22,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:22,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:22,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:22,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:22,408 INFO L87 Difference]: Start difference. First operand 5597 states and 7264 transitions. Second operand 3 states. [2020-11-29 22:10:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:24,431 INFO L93 Difference]: Finished difference Result 14153 states and 18444 transitions. [2020-11-29 22:10:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:24,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2020-11-29 22:10:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:24,471 INFO L225 Difference]: With dead ends: 14153 [2020-11-29 22:10:24,471 INFO L226 Difference]: Without dead ends: 7571 [2020-11-29 22:10:24,478 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 [2020-11-29 22:10:24,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2020-11-29 22:10:24,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 6584. [2020-11-29 22:10:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6584 states. [2020-11-29 22:10:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 7076 transitions. [2020-11-29 22:10:24,632 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 7076 transitions. Word has length 310 [2020-11-29 22:10:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:24,636 INFO L481 AbstractCegarLoop]: Abstraction has 6584 states and 7076 transitions. [2020-11-29 22:10:24,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 7076 transitions. [2020-11-29 22:10:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-11-29 22:10:24,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:24,645 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:10:24,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:10:24,645 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:24,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:24,646 INFO L82 PathProgramCache]: Analyzing trace with hash -946119986, now seen corresponding path program 1 times [2020-11-29 22:10:24,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:24,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011346879] [2020-11-29 22:10:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-29 22:10:25,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011346879] [2020-11-29 22:10:25,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:25,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:25,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442460620] [2020-11-29 22:10:25,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:25,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:25,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:25,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:25,115 INFO L87 Difference]: Start difference. First operand 6584 states and 7076 transitions. Second operand 3 states. [2020-11-29 22:10:26,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:26,765 INFO L93 Difference]: Finished difference Result 15798 states and 17048 transitions. [2020-11-29 22:10:26,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:26,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 374 [2020-11-29 22:10:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:26,810 INFO L225 Difference]: With dead ends: 15798 [2020-11-29 22:10:26,810 INFO L226 Difference]: Without dead ends: 9545 [2020-11-29 22:10:26,818 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 [2020-11-29 22:10:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2020-11-29 22:10:26,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9545. [2020-11-29 22:10:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9545 states. [2020-11-29 22:10:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10254 transitions. [2020-11-29 22:10:26,983 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10254 transitions. Word has length 374 [2020-11-29 22:10:26,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:26,984 INFO L481 AbstractCegarLoop]: Abstraction has 9545 states and 10254 transitions. [2020-11-29 22:10:26,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10254 transitions. [2020-11-29 22:10:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-11-29 22:10:26,991 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:26,991 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:10:26,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:10:26,992 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:26,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2060395678, now seen corresponding path program 1 times [2020-11-29 22:10:26,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:26,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644048168] [2020-11-29 22:10:26,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-11-29 22:10:27,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644048168] [2020-11-29 22:10:27,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704132315] [2020-11-29 22:10:27,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/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 [2020-11-29 22:10:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:27,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:10:27,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:10:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-29 22:10:27,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:10:27,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:10:27,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766687131] [2020-11-29 22:10:27,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:27,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:27,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:27,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:10:27,948 INFO L87 Difference]: Start difference. First operand 9545 states and 10254 transitions. Second operand 3 states. [2020-11-29 22:10:29,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:29,912 INFO L93 Difference]: Finished difference Result 21391 states and 23055 transitions. [2020-11-29 22:10:29,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:29,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 382 [2020-11-29 22:10:29,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:29,945 INFO L225 Difference]: With dead ends: 21391 [2020-11-29 22:10:29,945 INFO L226 Difference]: Without dead ends: 12506 [2020-11-29 22:10:29,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:10:29,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-11-29 22:10:30,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2020-11-29 22:10:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-11-29 22:10:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 13349 transitions. [2020-11-29 22:10:30,214 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 13349 transitions. Word has length 382 [2020-11-29 22:10:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:30,215 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 13349 transitions. [2020-11-29 22:10:30,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 13349 transitions. [2020-11-29 22:10:30,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-11-29 22:10:30,227 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:30,227 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:30,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-29 22:10:30,456 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:30,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:30,457 INFO L82 PathProgramCache]: Analyzing trace with hash 900591435, now seen corresponding path program 1 times [2020-11-29 22:10:30,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:30,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73053181] [2020-11-29 22:10:30,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-11-29 22:10:30,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73053181] [2020-11-29 22:10:30,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:30,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:30,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101780571] [2020-11-29 22:10:30,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:30,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:30,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:30,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:30,978 INFO L87 Difference]: Start difference. First operand 12506 states and 13349 transitions. Second operand 3 states. [2020-11-29 22:10:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:32,196 INFO L93 Difference]: Finished difference Result 24352 states and 26026 transitions. [2020-11-29 22:10:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:32,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 492 [2020-11-29 22:10:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:32,226 INFO L225 Difference]: With dead ends: 24352 [2020-11-29 22:10:32,226 INFO L226 Difference]: Without dead ends: 12506 [2020-11-29 22:10:32,239 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 [2020-11-29 22:10:32,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-11-29 22:10:32,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 11848. [2020-11-29 22:10:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11848 states. [2020-11-29 22:10:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12627 transitions. [2020-11-29 22:10:32,502 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12627 transitions. Word has length 492 [2020-11-29 22:10:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:32,503 INFO L481 AbstractCegarLoop]: Abstraction has 11848 states and 12627 transitions. [2020-11-29 22:10:32,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12627 transitions. [2020-11-29 22:10:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2020-11-29 22:10:32,529 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:32,530 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 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] [2020-11-29 22:10:32,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:10:32,530 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:32,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:32,531 INFO L82 PathProgramCache]: Analyzing trace with hash 636983940, now seen corresponding path program 1 times [2020-11-29 22:10:32,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:32,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7802867] [2020-11-29 22:10:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-11-29 22:10:33,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7802867] [2020-11-29 22:10:33,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:33,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:33,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174641044] [2020-11-29 22:10:33,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:33,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:33,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:33,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:33,132 INFO L87 Difference]: Start difference. First operand 11848 states and 12627 transitions. Second operand 3 states. [2020-11-29 22:10:34,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:34,560 INFO L93 Difference]: Finished difference Result 25997 states and 27667 transitions. [2020-11-29 22:10:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:34,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 620 [2020-11-29 22:10:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:34,589 INFO L225 Difference]: With dead ends: 25997 [2020-11-29 22:10:34,589 INFO L226 Difference]: Without dead ends: 14809 [2020-11-29 22:10:34,602 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 [2020-11-29 22:10:34,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2020-11-29 22:10:34,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2020-11-29 22:10:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14480 states. [2020-11-29 22:10:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 15302 transitions. [2020-11-29 22:10:34,801 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 15302 transitions. Word has length 620 [2020-11-29 22:10:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:34,803 INFO L481 AbstractCegarLoop]: Abstraction has 14480 states and 15302 transitions. [2020-11-29 22:10:34,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 15302 transitions. [2020-11-29 22:10:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2020-11-29 22:10:34,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:34,833 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:34,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 22:10:34,833 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:34,834 INFO L82 PathProgramCache]: Analyzing trace with hash -686038148, now seen corresponding path program 1 times [2020-11-29 22:10:34,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:34,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593250803] [2020-11-29 22:10:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-11-29 22:10:35,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593250803] [2020-11-29 22:10:35,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:35,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:35,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114679157] [2020-11-29 22:10:35,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:35,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:35,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:35,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:35,476 INFO L87 Difference]: Start difference. First operand 14480 states and 15302 transitions. Second operand 3 states. [2020-11-29 22:10:36,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:36,853 INFO L93 Difference]: Finished difference Result 28629 states and 30271 transitions. [2020-11-29 22:10:36,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:36,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 683 [2020-11-29 22:10:36,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:36,882 INFO L225 Difference]: With dead ends: 28629 [2020-11-29 22:10:36,882 INFO L226 Difference]: Without dead ends: 14480 [2020-11-29 22:10:36,896 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 [2020-11-29 22:10:36,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2020-11-29 22:10:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2020-11-29 22:10:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13822 states. [2020-11-29 22:10:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14314 transitions. [2020-11-29 22:10:37,155 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14314 transitions. Word has length 683 [2020-11-29 22:10:37,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:37,156 INFO L481 AbstractCegarLoop]: Abstraction has 13822 states and 14314 transitions. [2020-11-29 22:10:37,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14314 transitions. [2020-11-29 22:10:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2020-11-29 22:10:37,185 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:37,186 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:37,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 22:10:37,186 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:37,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:37,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1047236047, now seen corresponding path program 1 times [2020-11-29 22:10:37,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:37,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410381571] [2020-11-29 22:10:37,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 1370 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2020-11-29 22:10:38,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410381571] [2020-11-29 22:10:38,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:38,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:38,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265539747] [2020-11-29 22:10:38,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:38,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:38,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:38,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:38,239 INFO L87 Difference]: Start difference. First operand 13822 states and 14314 transitions. Second operand 3 states. [2020-11-29 22:10:39,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:39,404 INFO L93 Difference]: Finished difference Result 29945 states and 31049 transitions. [2020-11-29 22:10:39,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:39,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 981 [2020-11-29 22:10:39,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:39,422 INFO L225 Difference]: With dead ends: 29945 [2020-11-29 22:10:39,422 INFO L226 Difference]: Without dead ends: 16454 [2020-11-29 22:10:39,430 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 [2020-11-29 22:10:39,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2020-11-29 22:10:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2020-11-29 22:10:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16125 states. [2020-11-29 22:10:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16676 transitions. [2020-11-29 22:10:39,646 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16676 transitions. Word has length 981 [2020-11-29 22:10:39,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:39,647 INFO L481 AbstractCegarLoop]: Abstraction has 16125 states and 16676 transitions. [2020-11-29 22:10:39,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16676 transitions. [2020-11-29 22:10:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1007 [2020-11-29 22:10:39,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:39,672 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:10:39,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 22:10:39,672 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:39,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:39,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1146369245, now seen corresponding path program 1 times [2020-11-29 22:10:39,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:39,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386429728] [2020-11-29 22:10:39,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 793 proven. 753 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2020-11-29 22:10:41,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386429728] [2020-11-29 22:10:41,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109196155] [2020-11-29 22:10:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/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 [2020-11-29 22:10:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:42,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:10:42,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:10:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 1075 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2020-11-29 22:10:42,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:10:42,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 22:10:42,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642434990] [2020-11-29 22:10:42,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:42,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:42,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:42,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:10:42,852 INFO L87 Difference]: Start difference. First operand 16125 states and 16676 transitions. Second operand 3 states. [2020-11-29 22:10:44,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:44,106 INFO L93 Difference]: Finished difference Result 31919 states and 33019 transitions. [2020-11-29 22:10:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:44,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1006 [2020-11-29 22:10:44,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:44,125 INFO L225 Difference]: With dead ends: 31919 [2020-11-29 22:10:44,125 INFO L226 Difference]: Without dead ends: 16125 [2020-11-29 22:10:44,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 1006 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:10:44,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2020-11-29 22:10:44,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15467. [2020-11-29 22:10:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15467 states. [2020-11-29 22:10:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15913 transitions. [2020-11-29 22:10:44,334 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15913 transitions. Word has length 1006 [2020-11-29 22:10:44,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:44,335 INFO L481 AbstractCegarLoop]: Abstraction has 15467 states and 15913 transitions. [2020-11-29 22:10:44,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15913 transitions. [2020-11-29 22:10:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1429 [2020-11-29 22:10:44,372 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:44,373 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, 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, 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, 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, 1] [2020-11-29 22:10:44,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 22:10:44,600 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:44,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:44,601 INFO L82 PathProgramCache]: Analyzing trace with hash -733657240, now seen corresponding path program 1 times [2020-11-29 22:10:44,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:44,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210344825] [2020-11-29 22:10:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3515 backedges. 2515 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2020-11-29 22:10:47,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210344825] [2020-11-29 22:10:47,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:47,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:10:47,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039630861] [2020-11-29 22:10:47,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:10:47,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:47,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:10:47,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:10:47,530 INFO L87 Difference]: Start difference. First operand 15467 states and 15913 transitions. Second operand 4 states. [2020-11-29 22:10:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:49,530 INFO L93 Difference]: Finished difference Result 30631 states and 31521 transitions. [2020-11-29 22:10:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:10:49,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1428 [2020-11-29 22:10:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:49,548 INFO L225 Difference]: With dead ends: 30631 [2020-11-29 22:10:49,549 INFO L226 Difference]: Without dead ends: 15495 [2020-11-29 22:10:49,557 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 [2020-11-29 22:10:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15495 states. [2020-11-29 22:10:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15495 to 15467. [2020-11-29 22:10:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15467 states. [2020-11-29 22:10:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15909 transitions. [2020-11-29 22:10:49,742 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15909 transitions. Word has length 1428 [2020-11-29 22:10:49,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:49,743 INFO L481 AbstractCegarLoop]: Abstraction has 15467 states and 15909 transitions. [2020-11-29 22:10:49,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:10:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15909 transitions. [2020-11-29 22:10:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2020-11-29 22:10:49,782 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:49,783 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 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, 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, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:49,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 22:10:49,783 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:49,784 INFO L82 PathProgramCache]: Analyzing trace with hash 659796695, now seen corresponding path program 1 times [2020-11-29 22:10:49,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:49,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820961451] [2020-11-29 22:10:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4972 backedges. 3800 proven. 2 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2020-11-29 22:10:53,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820961451] [2020-11-29 22:10:53,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329561033] [2020-11-29 22:10:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:10:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:53,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1880 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:10:53,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:10:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4972 backedges. 1245 proven. 0 refuted. 0 times theorem prover too weak. 3727 trivial. 0 not checked. [2020-11-29 22:10:55,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:10:55,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 22:10:55,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838787550] [2020-11-29 22:10:55,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:55,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:55,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:55,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:10:55,186 INFO L87 Difference]: Start difference. First operand 15467 states and 15909 transitions. Second operand 3 states. [2020-11-29 22:10:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:56,350 INFO L93 Difference]: Finished difference Result 30603 states and 31485 transitions. [2020-11-29 22:10:56,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:56,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1606 [2020-11-29 22:10:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:56,381 INFO L225 Difference]: With dead ends: 30603 [2020-11-29 22:10:56,381 INFO L226 Difference]: Without dead ends: 15467 [2020-11-29 22:10:56,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1610 GetRequests, 1606 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:10:56,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2020-11-29 22:10:56,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 15138. [2020-11-29 22:10:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15138 states. [2020-11-29 22:10:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15531 transitions. [2020-11-29 22:10:56,566 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15531 transitions. Word has length 1606 [2020-11-29 22:10:56,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:56,568 INFO L481 AbstractCegarLoop]: Abstraction has 15138 states and 15531 transitions. [2020-11-29 22:10:56,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:56,568 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15531 transitions. [2020-11-29 22:10:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1747 [2020-11-29 22:10:56,602 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:56,602 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 22:10:56,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 22:10:56,815 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:56,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:56,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1565093606, now seen corresponding path program 1 times [2020-11-29 22:10:56,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:56,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218267441] [2020-11-29 22:10:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 4089 proven. 0 refuted. 0 times theorem prover too weak. 2354 trivial. 0 not checked. [2020-11-29 22:10:59,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218267441] [2020-11-29 22:10:59,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:59,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:59,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618761763] [2020-11-29 22:10:59,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:59,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:59,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:59,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:59,189 INFO L87 Difference]: Start difference. First operand 15138 states and 15531 transitions. Second operand 3 states. [2020-11-29 22:11:00,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:00,431 INFO L93 Difference]: Finished difference Result 30603 states and 31403 transitions. [2020-11-29 22:11:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:00,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1746 [2020-11-29 22:11:00,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:00,444 INFO L225 Difference]: With dead ends: 30603 [2020-11-29 22:11:00,444 INFO L226 Difference]: Without dead ends: 15796 [2020-11-29 22:11:00,453 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 [2020-11-29 22:11:00,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2020-11-29 22:11:00,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2020-11-29 22:11:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2020-11-29 22:11:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16190 transitions. [2020-11-29 22:11:00,626 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16190 transitions. Word has length 1746 [2020-11-29 22:11:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:00,627 INFO L481 AbstractCegarLoop]: Abstraction has 15796 states and 16190 transitions. [2020-11-29 22:11:00,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16190 transitions. [2020-11-29 22:11:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1801 [2020-11-29 22:11:00,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:00,658 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, 10, 10, 10, 10, 10, 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, 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, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:00,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 22:11:00,658 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:00,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:00,658 INFO L82 PathProgramCache]: Analyzing trace with hash 896580017, now seen corresponding path program 1 times [2020-11-29 22:11:00,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:00,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698770413] [2020-11-29 22:11:00,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6453 backedges. 4999 proven. 287 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2020-11-29 22:11:04,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698770413] [2020-11-29 22:11:04,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312921747] [2020-11-29 22:11:04,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:04,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 22:11:04,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6453 backedges. 2599 proven. 201 refuted. 0 times theorem prover too weak. 3653 trivial. 0 not checked. [2020-11-29 22:11:08,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 22:11:08,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 9 [2020-11-29 22:11:08,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176501703] [2020-11-29 22:11:08,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 22:11:08,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:08,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 22:11:08,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-29 22:11:08,353 INFO L87 Difference]: Start difference. First operand 15796 states and 16190 transitions. Second operand 9 states. [2020-11-29 22:11:19,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:19,603 INFO L93 Difference]: Finished difference Result 34229 states and 35099 transitions. [2020-11-29 22:11:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 22:11:19,603 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1800 [2020-11-29 22:11:19,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:19,604 INFO L225 Difference]: With dead ends: 34229 [2020-11-29 22:11:19,604 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:11:19,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1824 GetRequests, 1809 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2020-11-29 22:11:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:11:19,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:11:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:11:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:11:19,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1800 [2020-11-29 22:11:19,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:19,615 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:11:19,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 22:11:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:11:19,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:11:19,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:19,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:11:19,932 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 97 [2020-11-29 22:11:20,776 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2020-11-29 22:11:21,407 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 56 [2020-11-29 22:11:21,958 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 56 [2020-11-29 22:11:21,960 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 22:11:21,961 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 22:11:21,962 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,963 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 22:11:21,964 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 22:11:21,965 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse15 (+ ~a18~0 87))) (let ((.cse10 (<= 0 .cse15)) (.cse6 (= ~a12~0 9)) (.cse1 (<= 7 ~a12~0)) (.cse0 (not (= ~a16~0 10))) (.cse3 (<= ~a12~0 8)) (.cse12 (<= ~a16~0 8)) (.cse11 (= 5 ~a12~0)) (.cse13 (= 7 ~a12~0)) (.cse7 (= ~a16~0 12)) (.cse5 (< 0 (+ ~a18~0 156))) (.cse9 (= ~a12~0 6)) (.cse8 (<= ~a15~0 3)) (.cse2 (= ~a15~0 4)) (.cse14 (<= .cse15 0)) (.cse4 (<= ~a16~0 11))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse7 .cse8) (and .cse10 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse4) (and .cse0 .cse4 .cse11 .cse5 .cse8) (and .cse2 .cse4 .cse11) (and .cse6 .cse4 .cse8) (and (= ~a12~0 8) .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse8) (and .cse12 .cse8) (and .cse9 .cse2 .cse4) (and .cse0 .cse13 .cse2 .cse4) (and .cse2 .cse3 .cse12 .cse14) (and .cse7 .cse8 .cse11 .cse5) (and .cse13 .cse7 .cse5 .cse8) (and .cse9 .cse4 .cse8) (and .cse2 .cse14 .cse4 (<= ~a12~0 5))))) [2020-11-29 22:11:21,965 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,965 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,965 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,965 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,965 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,966 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 22:11:21,967 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,968 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse15 (+ ~a18~0 87))) (let ((.cse10 (<= 0 .cse15)) (.cse6 (= ~a12~0 9)) (.cse1 (<= 7 ~a12~0)) (.cse3 (<= ~a12~0 8)) (.cse12 (<= ~a16~0 8)) (.cse0 (not (= ~a16~0 10))) (.cse11 (= 5 ~a12~0)) (.cse14 (= 7 ~a12~0)) (.cse7 (= ~a16~0 12)) (.cse5 (< 0 (+ ~a18~0 156))) (.cse9 (= ~a12~0 6)) (.cse8 (<= ~a15~0 3)) (.cse2 (= ~a15~0 4)) (.cse13 (<= .cse15 0)) (.cse4 (<= ~a16~0 11))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse7 .cse8) (and .cse10 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse4) (and .cse2 .cse12 .cse13 .cse3) (and .cse0 .cse4 .cse11 .cse5 .cse8) (and .cse2 .cse4 .cse11) (and .cse6 .cse4 .cse8) (and (= ~a12~0 8) .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse8) (and .cse12 .cse8) (and .cse9 .cse2 .cse4) (and .cse0 .cse14 .cse2 .cse4) (and .cse7 .cse8 .cse11 .cse5) (and .cse14 .cse7 .cse5 .cse8) (and .cse9 .cse4 .cse8) (and .cse2 .cse13 .cse4 (<= ~a12~0 5))))) [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,969 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,970 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-29 22:11:21,970 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,971 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 22:11:21,973 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,973 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,974 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 22:11:21,975 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 22:11:21,976 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 22:11:21,976 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:11:21,976 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 22:11:21,976 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse15 (+ ~a18~0 87))) (let ((.cse10 (<= 0 .cse15)) (.cse6 (= ~a12~0 9)) (.cse1 (<= 7 ~a12~0)) (.cse0 (not (= ~a16~0 10))) (.cse3 (<= ~a12~0 8)) (.cse12 (<= ~a16~0 8)) (.cse11 (= 5 ~a12~0)) (.cse13 (= 7 ~a12~0)) (.cse7 (= ~a16~0 12)) (.cse5 (< 0 (+ ~a18~0 156))) (.cse9 (= ~a12~0 6)) (.cse8 (<= ~a15~0 3)) (.cse2 (= ~a15~0 4)) (.cse14 (<= .cse15 0)) (.cse4 (<= ~a16~0 11))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse7 .cse8) (and .cse10 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse4) (and .cse0 .cse4 .cse11 .cse5 .cse8) (and .cse2 .cse4 .cse11) (and .cse6 .cse4 .cse8) (and (= ~a12~0 8) .cse7 .cse8) (and .cse1 .cse3 .cse4 .cse8) (and .cse12 .cse8) (and .cse9 .cse2 .cse4) (and .cse0 .cse13 .cse2 .cse4) (and .cse2 .cse3 .cse12 .cse14) (and .cse7 .cse8 .cse11 .cse5) (and .cse13 .cse7 .cse5 .cse8) (and .cse9 .cse4 .cse8) (and .cse2 .cse14 .cse4 (<= ~a12~0 5))))) [2020-11-29 22:11:21,976 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,977 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,978 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,979 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,980 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,981 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,982 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,983 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,984 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,985 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,986 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 22:11:21,987 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,988 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 22:11:21,989 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,990 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,991 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,992 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,993 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,994 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 22:11:21,995 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,997 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,998 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-29 22:11:21,999 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 22:11:22,000 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:11:22,001 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-29 22:11:22,001 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-29 22:11:22,001 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-29 22:11:22,001 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 22:11:22,001 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 22:11:22,001 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 22:11:22,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:11:22 BoogieIcfgContainer [2020-11-29 22:11:22,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:11:22,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:11:22,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:11:22,036 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:11:22,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:10:08" (3/4) ... [2020-11-29 22:11:22,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:11:22,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 22:11:22,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:11:22,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:11:22,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:11:22,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d0175335-7ee4-4036-ad8d-55771887e646/bin/uautomizer/witness.graphml [2020-11-29 22:11:22,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:11:22,380 INFO L168 Benchmark]: Toolchain (without parser) took 78159.49 ms. Allocated memory was 121.6 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 86.9 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,381 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 46.4 MB in the beginning and 46.3 MB in the end (delta: 38.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1178.56 ms. Allocated memory is still 121.6 MB. Free memory was 86.6 MB in the beginning and 46.7 MB in the end (delta: 39.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 247.86 ms. Allocated memory is still 121.6 MB. Free memory was 46.7 MB in the beginning and 74.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,382 INFO L168 Benchmark]: Boogie Preprocessor took 150.08 ms. Allocated memory is still 121.6 MB. Free memory was 74.4 MB in the beginning and 60.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,382 INFO L168 Benchmark]: RCFGBuilder took 2595.47 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 60.5 MB in the beginning and 62.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,383 INFO L168 Benchmark]: TraceAbstraction took 73626.10 ms. Allocated memory was 161.5 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 62.6 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,383 INFO L168 Benchmark]: Witness Printer took 351.58 ms. Allocated memory is still 4.1 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:22,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 46.4 MB in the beginning and 46.3 MB in the end (delta: 38.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1178.56 ms. Allocated memory is still 121.6 MB. Free memory was 86.6 MB in the beginning and 46.7 MB in the end (delta: 39.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 247.86 ms. Allocated memory is still 121.6 MB. Free memory was 46.7 MB in the beginning and 74.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 150.08 ms. Allocated memory is still 121.6 MB. Free memory was 74.4 MB in the beginning and 60.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2595.47 ms. Allocated memory was 121.6 MB in the beginning and 161.5 MB in the end (delta: 39.8 MB). Free memory was 60.5 MB in the beginning and 62.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 73626.10 ms. Allocated memory was 161.5 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 62.6 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 351.58 ms. Allocated memory is still 4.1 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 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) && 7 <= a12) && a15 == 4) && a12 <= 8) && a16 <= 11) && 0 < a18 + 156) || ((a12 == 9 && a16 == 12) && a15 <= 3)) || (((a12 == 6 && 0 <= a18 + 87) && a16 == 12) && a15 <= 3)) || (((0 <= a18 + 87 && a16 <= 11) && a15 <= 3) && 5 == a12)) || (((a12 == 9 && !(a16 == 10)) && a15 == 4) && a16 <= 11)) || (((a15 == 4 && a16 <= 8) && a18 + 87 <= 0) && a12 <= 8)) || ((((!(a16 == 10) && a16 <= 11) && 5 == a12) && 0 < a18 + 156) && a15 <= 3)) || ((a15 == 4 && a16 <= 11) && 5 == a12)) || ((a12 == 9 && a16 <= 11) && a15 <= 3)) || ((a12 == 8 && a16 == 12) && a15 <= 3)) || (((7 <= a12 && a12 <= 8) && a16 <= 11) && a15 <= 3)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 6 && a15 == 4) && a16 <= 11)) || (((!(a16 == 10) && 7 == a12) && a15 == 4) && a16 <= 11)) || (((a16 == 12 && a15 <= 3) && 5 == a12) && 0 < a18 + 156)) || (((7 == a12 && a16 == 12) && 0 < a18 + 156) && a15 <= 3)) || ((a12 == 6 && a16 <= 11) && a15 <= 3)) || (((a15 == 4 && a18 + 87 <= 0) && a16 <= 11) && a12 <= 5) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a16 == 10) && 7 <= a12) && a15 == 4) && a12 <= 8) && a16 <= 11) && 0 < a18 + 156) || ((a12 == 9 && a16 == 12) && a15 <= 3)) || (((a12 == 6 && 0 <= a18 + 87) && a16 == 12) && a15 <= 3)) || (((0 <= a18 + 87 && a16 <= 11) && a15 <= 3) && 5 == a12)) || (((a12 == 9 && !(a16 == 10)) && a15 == 4) && a16 <= 11)) || ((((!(a16 == 10) && a16 <= 11) && 5 == a12) && 0 < a18 + 156) && a15 <= 3)) || ((a15 == 4 && a16 <= 11) && 5 == a12)) || ((a12 == 9 && a16 <= 11) && a15 <= 3)) || ((a12 == 8 && a16 == 12) && a15 <= 3)) || (((7 <= a12 && a12 <= 8) && a16 <= 11) && a15 <= 3)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 6 && a15 == 4) && a16 <= 11)) || (((!(a16 == 10) && 7 == a12) && a15 == 4) && a16 <= 11)) || (((a15 == 4 && a12 <= 8) && a16 <= 8) && a18 + 87 <= 0)) || (((a16 == 12 && a15 <= 3) && 5 == a12) && 0 < a18 + 156)) || (((7 == a12 && a16 == 12) && 0 < a18 + 156) && a15 <= 3)) || ((a12 == 6 && a16 <= 11) && a15 <= 3)) || (((a15 == 4 && a18 + 87 <= 0) && a16 <= 11) && a12 <= 5) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a16 == 10) && 7 <= a12) && a15 == 4) && a12 <= 8) && a16 <= 11) && 0 < a18 + 156) || ((a12 == 9 && a16 == 12) && a15 <= 3)) || (((a12 == 6 && 0 <= a18 + 87) && a16 == 12) && a15 <= 3)) || (((0 <= a18 + 87 && a16 <= 11) && a15 <= 3) && 5 == a12)) || (((a12 == 9 && !(a16 == 10)) && a15 == 4) && a16 <= 11)) || ((((!(a16 == 10) && a16 <= 11) && 5 == a12) && 0 < a18 + 156) && a15 <= 3)) || ((a15 == 4 && a16 <= 11) && 5 == a12)) || ((a12 == 9 && a16 <= 11) && a15 <= 3)) || ((a12 == 8 && a16 == 12) && a15 <= 3)) || (((7 <= a12 && a12 <= 8) && a16 <= 11) && a15 <= 3)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 6 && a15 == 4) && a16 <= 11)) || (((!(a16 == 10) && 7 == a12) && a15 == 4) && a16 <= 11)) || (((a15 == 4 && a12 <= 8) && a16 <= 8) && a18 + 87 <= 0)) || (((a16 == 12 && a15 <= 3) && 5 == a12) && 0 < a18 + 156)) || (((7 == a12 && a16 == 12) && 0 < a18 + 156) && a15 <= 3)) || ((a12 == 6 && a16 <= 11) && a15 <= 3)) || (((a15 == 4 && a18 + 87 <= 0) && a16 <= 11) && a12 <= 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.3s, OverallIterations: 17, TraceHistogramMax: 11, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4491 SDtfs, 7104 SDslu, 251 SDs, 0 SdLazy, 27665 SolverSat, 2809 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4866 GetRequests, 4823 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred 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: 2.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 3976 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 195 NumberOfFragments, 721 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5171 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2039 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 16845 NumberOfCodeBlocks, 16845 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 16824 ConstructedInterpolants, 0 QuantifiedInterpolants, 55561435 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5691 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 21 InterpolantComputations, 16 PerfectInterpolantSequences, 40911/42196 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...