./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6968a0e9d48ff334f481a0c93e1b7f81f868d6b7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:56:04,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:56:04,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:56:04,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:56:04,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:56:04,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:56:04,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:56:04,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:56:04,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:56:04,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:56:04,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:56:04,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:56:04,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:56:04,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:56:04,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:56:04,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:56:04,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:56:04,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:56:04,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:56:04,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:56:04,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:56:04,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:56:04,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:56:04,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:56:04,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:56:04,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:56:04,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:56:04,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:56:04,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:56:04,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:56:04,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:56:04,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:56:04,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:56:04,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:56:04,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:56:04,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:56:04,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:56:04,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:56:04,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:56:04,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:56:04,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:56:04,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 09:56:04,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:56:04,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:56:04,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:56:04,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 09:56:04,630 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 09:56:04,631 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:56:04,631 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 09:56:04,631 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 09:56:04,631 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 09:56:04,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:56:04,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:56:04,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:56:04,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:56:04,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:56:04,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:56:04,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:56:04,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:56:04,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:56:04,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:56:04,634 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6968a0e9d48ff334f481a0c93e1b7f81f868d6b7 [2020-12-09 09:56:04,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:56:04,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:56:04,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:56:04,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:56:04,829 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:56:04,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem04_label46.c [2020-12-09 09:56:04,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/data/b88b60c93/c7f3d21b04de484ab4457ab5b0714f9a/FLAG62c649d65 [2020-12-09 09:56:05,417 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:56:05,417 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/sv-benchmarks/c/eca-rers2012/Problem04_label46.c [2020-12-09 09:56:05,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/data/b88b60c93/c7f3d21b04de484ab4457ab5b0714f9a/FLAG62c649d65 [2020-12-09 09:56:05,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/data/b88b60c93/c7f3d21b04de484ab4457ab5b0714f9a [2020-12-09 09:56:05,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:56:05,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:56:05,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:56:05,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:56:05,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:56:05,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:56:05" (1/1) ... [2020-12-09 09:56:05,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49930c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:05, skipping insertion in model container [2020-12-09 09:56:05,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:56:05" (1/1) ... [2020-12-09 09:56:05,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:56:05,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:56:06,797 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/sv-benchmarks/c/eca-rers2012/Problem04_label46.c[181280,181293] [2020-12-09 09:56:06,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:56:06,817 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:56:07,282 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/sv-benchmarks/c/eca-rers2012/Problem04_label46.c[181280,181293] [2020-12-09 09:56:07,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:56:07,306 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:56:07,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07 WrapperNode [2020-12-09 09:56:07,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:56:07,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:56:07,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:56:07,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:56:07,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:56:07,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:56:07,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:56:07,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:56:07,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... [2020-12-09 09:56:07,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:56:07,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:56:07,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:56:07,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:56:07,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:56:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 09:56:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:56:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:56:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:56:12,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:56:12,160 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-09 09:56:12,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:56:12 BoogieIcfgContainer [2020-12-09 09:56:12,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:56:12,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:56:12,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:56:12,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:56:12,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:56:05" (1/3) ... [2020-12-09 09:56:12,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5079ebef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:56:12, skipping insertion in model container [2020-12-09 09:56:12,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:56:07" (2/3) ... [2020-12-09 09:56:12,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5079ebef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:56:12, skipping insertion in model container [2020-12-09 09:56:12,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:56:12" (3/3) ... [2020-12-09 09:56:12,168 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem04_label46.c [2020-12-09 09:56:12,177 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:56:12,180 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:56:12,187 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:56:12,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:56:12,207 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:56:12,207 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:56:12,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:56:12,207 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:56:12,207 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:56:12,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:56:12,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:56:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-12-09 09:56:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2020-12-09 09:56:12,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:12,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:12,255 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:12,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:12,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1870337475, now seen corresponding path program 1 times [2020-12-09 09:56:12,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:12,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117925179] [2020-12-09 09:56:12,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:56:13,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117925179] [2020-12-09 09:56:13,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:13,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:56:13,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894505524] [2020-12-09 09:56:13,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:13,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:13,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:13,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:13,491 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 3 states. [2020-12-09 09:56:17,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:17,110 INFO L93 Difference]: Finished difference Result 2285 states and 4541 transitions. [2020-12-09 09:56:17,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:17,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 755 [2020-12-09 09:56:17,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:17,135 INFO L225 Difference]: With dead ends: 2285 [2020-12-09 09:56:17,135 INFO L226 Difference]: Without dead ends: 1519 [2020-12-09 09:56:17,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:17,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-12-09 09:56:17,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-12-09 09:56:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-12-09 09:56:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2563 transitions. [2020-12-09 09:56:17,222 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2563 transitions. Word has length 755 [2020-12-09 09:56:17,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:17,224 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 2563 transitions. [2020-12-09 09:56:17,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2563 transitions. [2020-12-09 09:56:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2020-12-09 09:56:17,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:17,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:17,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 09:56:17,241 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:17,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:17,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1942121028, now seen corresponding path program 1 times [2020-12-09 09:56:17,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:17,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077063830] [2020-12-09 09:56:17,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:56:17,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077063830] [2020-12-09 09:56:17,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:17,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:56:17,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077109036] [2020-12-09 09:56:17,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:17,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:17,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:17,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:17,709 INFO L87 Difference]: Start difference. First operand 1519 states and 2563 transitions. Second operand 3 states. [2020-12-09 09:56:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:21,520 INFO L93 Difference]: Finished difference Result 4553 states and 7686 transitions. [2020-12-09 09:56:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:21,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 766 [2020-12-09 09:56:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:21,532 INFO L225 Difference]: With dead ends: 4553 [2020-12-09 09:56:21,533 INFO L226 Difference]: Without dead ends: 3035 [2020-12-09 09:56:21,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:21,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2020-12-09 09:56:21,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3035. [2020-12-09 09:56:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-12-09 09:56:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4488 transitions. [2020-12-09 09:56:21,586 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4488 transitions. Word has length 766 [2020-12-09 09:56:21,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:21,586 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 4488 transitions. [2020-12-09 09:56:21,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4488 transitions. [2020-12-09 09:56:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2020-12-09 09:56:21,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:21,595 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:21,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 09:56:21,595 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:21,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:21,596 INFO L82 PathProgramCache]: Analyzing trace with hash -474524397, now seen corresponding path program 1 times [2020-12-09 09:56:21,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:21,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370982272] [2020-12-09 09:56:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-09 09:56:22,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370982272] [2020-12-09 09:56:22,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:22,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:56:22,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187338065] [2020-12-09 09:56:22,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:22,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:22,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:22,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:22,125 INFO L87 Difference]: Start difference. First operand 3035 states and 4488 transitions. Second operand 3 states. [2020-12-09 09:56:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:25,734 INFO L93 Difference]: Finished difference Result 9101 states and 13461 transitions. [2020-12-09 09:56:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:25,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 812 [2020-12-09 09:56:25,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:25,756 INFO L225 Difference]: With dead ends: 9101 [2020-12-09 09:56:25,756 INFO L226 Difference]: Without dead ends: 6067 [2020-12-09 09:56:25,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:25,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2020-12-09 09:56:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 6067. [2020-12-09 09:56:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-12-09 09:56:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 8338 transitions. [2020-12-09 09:56:25,841 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 8338 transitions. Word has length 812 [2020-12-09 09:56:25,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:25,842 INFO L481 AbstractCegarLoop]: Abstraction has 6067 states and 8338 transitions. [2020-12-09 09:56:25,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 8338 transitions. [2020-12-09 09:56:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2020-12-09 09:56:25,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:25,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:25,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 09:56:25,853 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:25,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:25,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1043879539, now seen corresponding path program 1 times [2020-12-09 09:56:25,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:25,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272844868] [2020-12-09 09:56:25,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:56:26,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272844868] [2020-12-09 09:56:26,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:26,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:56:26,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068834453] [2020-12-09 09:56:26,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:56:26,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:26,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:56:26,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:56:26,440 INFO L87 Difference]: Start difference. First operand 6067 states and 8338 transitions. Second operand 4 states. [2020-12-09 09:56:29,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:29,893 INFO L93 Difference]: Finished difference Result 12920 states and 17516 transitions. [2020-12-09 09:56:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:56:29,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 824 [2020-12-09 09:56:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:29,916 INFO L225 Difference]: With dead ends: 12920 [2020-12-09 09:56:29,916 INFO L226 Difference]: Without dead ends: 6854 [2020-12-09 09:56:29,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 09:56:29,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2020-12-09 09:56:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6825. [2020-12-09 09:56:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6825 states. [2020-12-09 09:56:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6825 states to 6825 states and 9102 transitions. [2020-12-09 09:56:30,046 INFO L78 Accepts]: Start accepts. Automaton has 6825 states and 9102 transitions. Word has length 824 [2020-12-09 09:56:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:30,047 INFO L481 AbstractCegarLoop]: Abstraction has 6825 states and 9102 transitions. [2020-12-09 09:56:30,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:56:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6825 states and 9102 transitions. [2020-12-09 09:56:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2020-12-09 09:56:30,057 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:30,058 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:30,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 09:56:30,058 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1915381482, now seen corresponding path program 1 times [2020-12-09 09:56:30,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:30,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706944154] [2020-12-09 09:56:30,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:56:30,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706944154] [2020-12-09 09:56:30,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:30,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:56:30,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898552180] [2020-12-09 09:56:30,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:30,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:30,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:30,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:30,600 INFO L87 Difference]: Start difference. First operand 6825 states and 9102 transitions. Second operand 3 states. [2020-12-09 09:56:34,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:34,505 INFO L93 Difference]: Finished difference Result 18955 states and 25775 transitions. [2020-12-09 09:56:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:34,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 839 [2020-12-09 09:56:34,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:34,547 INFO L225 Difference]: With dead ends: 18955 [2020-12-09 09:56:34,547 INFO L226 Difference]: Without dead ends: 12889 [2020-12-09 09:56:34,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:34,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12889 states. [2020-12-09 09:56:34,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12889 to 12889. [2020-12-09 09:56:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12889 states. [2020-12-09 09:56:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12889 states to 12889 states and 16696 transitions. [2020-12-09 09:56:34,683 INFO L78 Accepts]: Start accepts. Automaton has 12889 states and 16696 transitions. Word has length 839 [2020-12-09 09:56:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:34,683 INFO L481 AbstractCegarLoop]: Abstraction has 12889 states and 16696 transitions. [2020-12-09 09:56:34,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 12889 states and 16696 transitions. [2020-12-09 09:56:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2020-12-09 09:56:34,699 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:34,699 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:34,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 09:56:34,700 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:34,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:34,700 INFO L82 PathProgramCache]: Analyzing trace with hash 513969359, now seen corresponding path program 1 times [2020-12-09 09:56:34,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:34,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098113963] [2020-12-09 09:56:34,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-09 09:56:35,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098113963] [2020-12-09 09:56:35,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:35,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:56:35,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285774069] [2020-12-09 09:56:35,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:35,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:35,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:35,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:35,253 INFO L87 Difference]: Start difference. First operand 12889 states and 16696 transitions. Second operand 3 states. [2020-12-09 09:56:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:39,219 INFO L93 Difference]: Finished difference Result 37147 states and 48557 transitions. [2020-12-09 09:56:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:39,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 840 [2020-12-09 09:56:39,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:39,252 INFO L225 Difference]: With dead ends: 37147 [2020-12-09 09:56:39,252 INFO L226 Difference]: Without dead ends: 25017 [2020-12-09 09:56:39,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25017 states. [2020-12-09 09:56:39,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25017 to 25017. [2020-12-09 09:56:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25017 states. [2020-12-09 09:56:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25017 states to 25017 states and 31710 transitions. [2020-12-09 09:56:39,516 INFO L78 Accepts]: Start accepts. Automaton has 25017 states and 31710 transitions. Word has length 840 [2020-12-09 09:56:39,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:39,516 INFO L481 AbstractCegarLoop]: Abstraction has 25017 states and 31710 transitions. [2020-12-09 09:56:39,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 25017 states and 31710 transitions. [2020-12-09 09:56:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2020-12-09 09:56:39,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:39,540 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:39,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 09:56:39,540 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:39,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:39,541 INFO L82 PathProgramCache]: Analyzing trace with hash 2001212831, now seen corresponding path program 1 times [2020-12-09 09:56:39,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:39,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763363561] [2020-12-09 09:56:39,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-09 09:56:40,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763363561] [2020-12-09 09:56:40,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:40,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:56:40,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454639365] [2020-12-09 09:56:40,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:40,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:40,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:40,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:40,062 INFO L87 Difference]: Start difference. First operand 25017 states and 31710 transitions. Second operand 3 states. [2020-12-09 09:56:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:44,169 INFO L93 Difference]: Finished difference Result 72015 states and 91453 transitions. [2020-12-09 09:56:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:44,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 847 [2020-12-09 09:56:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:44,215 INFO L225 Difference]: With dead ends: 72015 [2020-12-09 09:56:44,215 INFO L226 Difference]: Without dead ends: 47757 [2020-12-09 09:56:44,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47757 states. [2020-12-09 09:56:44,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47757 to 43967. [2020-12-09 09:56:44,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43967 states. [2020-12-09 09:56:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43967 states to 43967 states and 54960 transitions. [2020-12-09 09:56:44,658 INFO L78 Accepts]: Start accepts. Automaton has 43967 states and 54960 transitions. Word has length 847 [2020-12-09 09:56:44,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:44,659 INFO L481 AbstractCegarLoop]: Abstraction has 43967 states and 54960 transitions. [2020-12-09 09:56:44,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 43967 states and 54960 transitions. [2020-12-09 09:56:44,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2020-12-09 09:56:44,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:44,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:44,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 09:56:44,684 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:44,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:44,685 INFO L82 PathProgramCache]: Analyzing trace with hash 911047316, now seen corresponding path program 1 times [2020-12-09 09:56:44,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:44,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298640717] [2020-12-09 09:56:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-09 09:56:45,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298640717] [2020-12-09 09:56:45,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:45,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:56:45,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468702657] [2020-12-09 09:56:45,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:56:45,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:45,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:56:45,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:45,605 INFO L87 Difference]: Start difference. First operand 43967 states and 54960 transitions. Second operand 3 states. [2020-12-09 09:56:49,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:56:49,864 INFO L93 Difference]: Finished difference Result 100819 states and 127215 transitions. [2020-12-09 09:56:49,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:56:49,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 891 [2020-12-09 09:56:49,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:56:49,919 INFO L225 Difference]: With dead ends: 100819 [2020-12-09 09:56:49,919 INFO L226 Difference]: Without dead ends: 57611 [2020-12-09 09:56:49,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:56:49,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57611 states. [2020-12-09 09:56:50,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57611 to 56853. [2020-12-09 09:56:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56853 states. [2020-12-09 09:56:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56853 states to 56853 states and 69969 transitions. [2020-12-09 09:56:50,476 INFO L78 Accepts]: Start accepts. Automaton has 56853 states and 69969 transitions. Word has length 891 [2020-12-09 09:56:50,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:56:50,477 INFO L481 AbstractCegarLoop]: Abstraction has 56853 states and 69969 transitions. [2020-12-09 09:56:50,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:56:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 56853 states and 69969 transitions. [2020-12-09 09:56:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2020-12-09 09:56:50,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:56:50,506 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:56:50,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 09:56:50,507 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:56:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:56:50,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1301830209, now seen corresponding path program 1 times [2020-12-09 09:56:50,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:56:50,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011308572] [2020-12-09 09:56:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:56:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:56:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-09 09:56:52,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011308572] [2020-12-09 09:56:52,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:56:52,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 09:56:52,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902088566] [2020-12-09 09:56:52,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 09:56:52,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:56:52,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 09:56:52,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 09:56:52,319 INFO L87 Difference]: Start difference. First operand 56853 states and 69969 transitions. Second operand 6 states. [2020-12-09 09:57:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:57:00,186 INFO L93 Difference]: Finished difference Result 128792 states and 158056 transitions. [2020-12-09 09:57:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 09:57:00,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1066 [2020-12-09 09:57:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:57:00,251 INFO L225 Difference]: With dead ends: 128792 [2020-12-09 09:57:00,251 INFO L226 Difference]: Without dead ends: 72698 [2020-12-09 09:57:00,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 09:57:00,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72698 states. [2020-12-09 09:57:00,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72698 to 59127. [2020-12-09 09:57:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59127 states. [2020-12-09 09:57:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59127 states to 59127 states and 72297 transitions. [2020-12-09 09:57:00,888 INFO L78 Accepts]: Start accepts. Automaton has 59127 states and 72297 transitions. Word has length 1066 [2020-12-09 09:57:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:57:00,888 INFO L481 AbstractCegarLoop]: Abstraction has 59127 states and 72297 transitions. [2020-12-09 09:57:00,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 09:57:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 59127 states and 72297 transitions. [2020-12-09 09:57:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2020-12-09 09:57:00,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:57:00,920 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:57:00,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 09:57:00,920 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:57:00,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:57:00,920 INFO L82 PathProgramCache]: Analyzing trace with hash 144407183, now seen corresponding path program 1 times [2020-12-09 09:57:00,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:57:00,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232510425] [2020-12-09 09:57:00,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:57:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 133 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:57:06,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232510425] [2020-12-09 09:57:06,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892231741] [2020-12-09 09:57:06,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:57:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:06,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:57:06,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:57:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-09 09:57:08,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:57:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-09 09:57:10,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:57:10,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [6] total 7 [2020-12-09 09:57:10,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289090607] [2020-12-09 09:57:10,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:57:10,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:57:10,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:57:10,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 09:57:10,368 INFO L87 Difference]: Start difference. First operand 59127 states and 72297 transitions. Second operand 3 states. [2020-12-09 09:57:14,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:57:14,793 INFO L93 Difference]: Finished difference Result 134929 states and 164524 transitions. [2020-12-09 09:57:14,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:57:14,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1073 [2020-12-09 09:57:14,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:57:14,857 INFO L225 Difference]: With dead ends: 134929 [2020-12-09 09:57:14,858 INFO L226 Difference]: Without dead ends: 76561 [2020-12-09 09:57:14,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2150 GetRequests, 2143 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 09:57:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76561 states. [2020-12-09 09:57:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76561 to 70497. [2020-12-09 09:57:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70497 states. [2020-12-09 09:57:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70497 states to 70497 states and 84240 transitions. [2020-12-09 09:57:15,636 INFO L78 Accepts]: Start accepts. Automaton has 70497 states and 84240 transitions. Word has length 1073 [2020-12-09 09:57:15,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:57:15,637 INFO L481 AbstractCegarLoop]: Abstraction has 70497 states and 84240 transitions. [2020-12-09 09:57:15,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:57:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 70497 states and 84240 transitions. [2020-12-09 09:57:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2020-12-09 09:57:15,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:57:15,669 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:57:15,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-09 09:57:15,871 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:57:15,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:57:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash 172239619, now seen corresponding path program 1 times [2020-12-09 09:57:15,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:57:15,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271809748] [2020-12-09 09:57:15,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:57:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-09 09:57:16,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271809748] [2020-12-09 09:57:16,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:57:16,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:57:16,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257658134] [2020-12-09 09:57:16,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:57:16,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:57:16,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:57:16,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:57:16,868 INFO L87 Difference]: Start difference. First operand 70497 states and 84240 transitions. Second operand 3 states. [2020-12-09 09:57:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:57:20,721 INFO L93 Difference]: Finished difference Result 140993 states and 168503 transitions. [2020-12-09 09:57:20,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:57:20,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1150 [2020-12-09 09:57:20,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:57:20,787 INFO L225 Difference]: With dead ends: 140993 [2020-12-09 09:57:20,787 INFO L226 Difference]: Without dead ends: 71255 [2020-12-09 09:57:20,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:57:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71255 states. [2020-12-09 09:57:21,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71255 to 71255. [2020-12-09 09:57:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71255 states. [2020-12-09 09:57:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71255 states to 71255 states and 84896 transitions. [2020-12-09 09:57:21,487 INFO L78 Accepts]: Start accepts. Automaton has 71255 states and 84896 transitions. Word has length 1150 [2020-12-09 09:57:21,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:57:21,488 INFO L481 AbstractCegarLoop]: Abstraction has 71255 states and 84896 transitions. [2020-12-09 09:57:21,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:57:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 71255 states and 84896 transitions. [2020-12-09 09:57:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2020-12-09 09:57:21,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:57:21,524 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:57:21,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 09:57:21,524 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:57:21,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:57:21,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1262890131, now seen corresponding path program 1 times [2020-12-09 09:57:21,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:57:21,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665081230] [2020-12-09 09:57:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:57:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-12-09 09:57:22,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665081230] [2020-12-09 09:57:22,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:57:22,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:57:22,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257352108] [2020-12-09 09:57:22,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:57:22,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:57:22,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:57:22,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:57:22,824 INFO L87 Difference]: Start difference. First operand 71255 states and 84896 transitions. Second operand 3 states. [2020-12-09 09:57:28,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:57:28,231 INFO L93 Difference]: Finished difference Result 141751 states and 169027 transitions. [2020-12-09 09:57:28,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:57:28,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1249 [2020-12-09 09:57:28,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:57:28,291 INFO L225 Difference]: With dead ends: 141751 [2020-12-09 09:57:28,292 INFO L226 Difference]: Without dead ends: 71255 [2020-12-09 09:57:28,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:57:28,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71255 states. [2020-12-09 09:57:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71255 to 66707. [2020-12-09 09:57:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66707 states. [2020-12-09 09:57:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66707 states to 66707 states and 76400 transitions. [2020-12-09 09:57:28,952 INFO L78 Accepts]: Start accepts. Automaton has 66707 states and 76400 transitions. Word has length 1249 [2020-12-09 09:57:28,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:57:28,953 INFO L481 AbstractCegarLoop]: Abstraction has 66707 states and 76400 transitions. [2020-12-09 09:57:28,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:57:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 66707 states and 76400 transitions. [2020-12-09 09:57:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1297 [2020-12-09 09:57:28,985 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:57:28,986 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, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:57:28,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 09:57:28,986 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:57:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:57:28,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1565548456, now seen corresponding path program 1 times [2020-12-09 09:57:28,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:57:28,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770770910] [2020-12-09 09:57:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:57:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 908 proven. 89 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-12-09 09:57:31,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770770910] [2020-12-09 09:57:31,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22389645] [2020-12-09 09:57:31,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:57:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:31,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:57:31,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:57:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-12-09 09:57:33,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:57:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-12-09 09:57:35,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:57:35,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 09:57:35,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232594815] [2020-12-09 09:57:35,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:57:35,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:57:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:57:35,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:57:35,383 INFO L87 Difference]: Start difference. First operand 66707 states and 76400 transitions. Second operand 3 states. [2020-12-09 09:57:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:57:40,695 INFO L93 Difference]: Finished difference Result 154637 states and 176851 transitions. [2020-12-09 09:57:40,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:57:40,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1296 [2020-12-09 09:57:40,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:57:40,768 INFO L225 Difference]: With dead ends: 154637 [2020-12-09 09:57:40,768 INFO L226 Difference]: Without dead ends: 87931 [2020-12-09 09:57:40,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2595 GetRequests, 2589 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:57:40,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87931 states. [2020-12-09 09:57:41,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87931 to 84899. [2020-12-09 09:57:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84899 states. [2020-12-09 09:57:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84899 states to 84899 states and 95772 transitions. [2020-12-09 09:57:41,630 INFO L78 Accepts]: Start accepts. Automaton has 84899 states and 95772 transitions. Word has length 1296 [2020-12-09 09:57:41,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:57:41,631 INFO L481 AbstractCegarLoop]: Abstraction has 84899 states and 95772 transitions. [2020-12-09 09:57:41,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:57:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 84899 states and 95772 transitions. [2020-12-09 09:57:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2020-12-09 09:57:41,680 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:57:41,681 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 09:57:41,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-09 09:57:41,882 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:57:41,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:57:41,885 INFO L82 PathProgramCache]: Analyzing trace with hash -41798118, now seen corresponding path program 1 times [2020-12-09 09:57:41,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:57:41,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525285422] [2020-12-09 09:57:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:57:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 09:57:44,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525285422] [2020-12-09 09:57:44,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:57:44,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:57:44,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760226709] [2020-12-09 09:57:44,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:57:44,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:57:44,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:57:44,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:57:44,246 INFO L87 Difference]: Start difference. First operand 84899 states and 95772 transitions. Second operand 4 states. [2020-12-09 09:57:50,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:57:50,979 INFO L93 Difference]: Finished difference Result 171313 states and 193185 transitions. [2020-12-09 09:57:50,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 09:57:50,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1415 [2020-12-09 09:57:50,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:57:51,056 INFO L225 Difference]: With dead ends: 171313 [2020-12-09 09:57:51,057 INFO L226 Difference]: Without dead ends: 87173 [2020-12-09 09:57:51,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:57:51,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87173 states. [2020-12-09 09:57:51,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87173 to 87173. [2020-12-09 09:57:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87173 states. [2020-12-09 09:57:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87173 states to 87173 states and 98064 transitions. [2020-12-09 09:57:51,968 INFO L78 Accepts]: Start accepts. Automaton has 87173 states and 98064 transitions. Word has length 1415 [2020-12-09 09:57:51,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:57:51,968 INFO L481 AbstractCegarLoop]: Abstraction has 87173 states and 98064 transitions. [2020-12-09 09:57:51,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:57:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 87173 states and 98064 transitions. [2020-12-09 09:57:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1433 [2020-12-09 09:57:52,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:57:52,019 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, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:57:52,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 09:57:52,020 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:57:52,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:57:52,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1763108920, now seen corresponding path program 1 times [2020-12-09 09:57:52,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:57:52,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687796676] [2020-12-09 09:57:52,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:57:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1298 proven. 89 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2020-12-09 09:57:54,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687796676] [2020-12-09 09:57:54,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764329913] [2020-12-09 09:57:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/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 [2020-12-09 09:57:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:57:55,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:57:55,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:57:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1182 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2020-12-09 09:57:57,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:57:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1182 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2020-12-09 09:57:59,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:57:59,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 09:57:59,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683531102] [2020-12-09 09:57:59,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:57:59,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:57:59,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:57:59,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:57:59,355 INFO L87 Difference]: Start difference. First operand 87173 states and 98064 transitions. Second operand 3 states. [2020-12-09 09:58:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:58:05,037 INFO L93 Difference]: Finished difference Result 173587 states and 195363 transitions. [2020-12-09 09:58:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:58:05,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1432 [2020-12-09 09:58:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:58:05,116 INFO L225 Difference]: With dead ends: 173587 [2020-12-09 09:58:05,116 INFO L226 Difference]: Without dead ends: 87173 [2020-12-09 09:58:05,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2867 GetRequests, 2861 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:58:05,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87173 states. [2020-12-09 09:58:05,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87173 to 84899. [2020-12-09 09:58:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84899 states. [2020-12-09 09:58:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84899 states to 84899 states and 93756 transitions. [2020-12-09 09:58:05,971 INFO L78 Accepts]: Start accepts. Automaton has 84899 states and 93756 transitions. Word has length 1432 [2020-12-09 09:58:05,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:58:05,972 INFO L481 AbstractCegarLoop]: Abstraction has 84899 states and 93756 transitions. [2020-12-09 09:58:05,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:58:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 84899 states and 93756 transitions. [2020-12-09 09:58:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1456 [2020-12-09 09:58:06,121 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:58:06,122 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:58:06,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-09 09:58:06,324 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:58:06,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:58:06,327 INFO L82 PathProgramCache]: Analyzing trace with hash 579844339, now seen corresponding path program 1 times [2020-12-09 09:58:06,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:58:06,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196299435] [2020-12-09 09:58:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:58:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:58:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 1264 proven. 89 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 09:58:09,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196299435] [2020-12-09 09:58:09,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530858587] [2020-12-09 09:58:09,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/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 [2020-12-09 09:58:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:58:09,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:58:09,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:58:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-12-09 09:58:12,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:58:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-12-09 09:58:14,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:58:14,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 09:58:14,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353498331] [2020-12-09 09:58:14,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:58:14,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:58:14,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:58:14,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:58:14,727 INFO L87 Difference]: Start difference. First operand 84899 states and 93756 transitions. Second operand 3 states. [2020-12-09 09:58:19,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:58:19,379 INFO L93 Difference]: Finished difference Result 169039 states and 186747 transitions. [2020-12-09 09:58:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:58:19,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1455 [2020-12-09 09:58:19,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:58:19,448 INFO L225 Difference]: With dead ends: 169039 [2020-12-09 09:58:19,448 INFO L226 Difference]: Without dead ends: 84899 [2020-12-09 09:58:19,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2913 GetRequests, 2907 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:58:19,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84899 states. [2020-12-09 09:58:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84899 to 84141. [2020-12-09 09:58:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84141 states. [2020-12-09 09:58:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84141 states to 84141 states and 90326 transitions. [2020-12-09 09:58:20,273 INFO L78 Accepts]: Start accepts. Automaton has 84141 states and 90326 transitions. Word has length 1455 [2020-12-09 09:58:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:58:20,275 INFO L481 AbstractCegarLoop]: Abstraction has 84141 states and 90326 transitions. [2020-12-09 09:58:20,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:58:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 84141 states and 90326 transitions. [2020-12-09 09:58:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3361 [2020-12-09 09:58:20,373 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:58:20,375 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 09:58:20,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:58:20,576 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:58:20,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:58:20,580 INFO L82 PathProgramCache]: Analyzing trace with hash -855979291, now seen corresponding path program 1 times [2020-12-09 09:58:20,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:58:20,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91489551] [2020-12-09 09:58:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:58:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:58:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12125 backedges. 4107 proven. 0 refuted. 0 times theorem prover too weak. 8018 trivial. 0 not checked. [2020-12-09 09:58:27,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91489551] [2020-12-09 09:58:27,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:58:27,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:58:27,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915956510] [2020-12-09 09:58:27,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:58:27,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:58:27,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:58:27,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:58:27,136 INFO L87 Difference]: Start difference. First operand 84141 states and 90326 transitions. Second operand 3 states. [2020-12-09 09:58:32,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:58:32,619 INFO L93 Difference]: Finished difference Result 168281 states and 180669 transitions. [2020-12-09 09:58:32,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:58:32,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3360 [2020-12-09 09:58:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:58:32,691 INFO L225 Difference]: With dead ends: 168281 [2020-12-09 09:58:32,691 INFO L226 Difference]: Without dead ends: 84899 [2020-12-09 09:58:32,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:58:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84899 states. [2020-12-09 09:58:33,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84899 to 80351. [2020-12-09 09:58:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80351 states. [2020-12-09 09:58:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80351 states to 80351 states and 85006 transitions. [2020-12-09 09:58:33,498 INFO L78 Accepts]: Start accepts. Automaton has 80351 states and 85006 transitions. Word has length 3360 [2020-12-09 09:58:33,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:58:33,499 INFO L481 AbstractCegarLoop]: Abstraction has 80351 states and 85006 transitions. [2020-12-09 09:58:33,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:58:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 80351 states and 85006 transitions. [2020-12-09 09:58:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3396 [2020-12-09 09:58:33,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:58:33,675 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 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, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:58:33,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 09:58:33,675 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:58:33,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:58:33,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1789112340, now seen corresponding path program 1 times [2020-12-09 09:58:33,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:58:33,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412773420] [2020-12-09 09:58:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:58:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:58:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 9225 backedges. 3655 proven. 0 refuted. 0 times theorem prover too weak. 5570 trivial. 0 not checked. [2020-12-09 09:58:42,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412773420] [2020-12-09 09:58:42,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:58:42,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:58:42,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432456444] [2020-12-09 09:58:42,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:58:42,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:58:42,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:58:42,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:58:42,569 INFO L87 Difference]: Start difference. First operand 80351 states and 85006 transitions. Second operand 4 states. [2020-12-09 09:58:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:58:47,644 INFO L93 Difference]: Finished difference Result 159943 states and 169247 transitions. [2020-12-09 09:58:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 09:58:47,645 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3395 [2020-12-09 09:58:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:58:47,705 INFO L225 Difference]: With dead ends: 159943 [2020-12-09 09:58:47,705 INFO L226 Difference]: Without dead ends: 80351 [2020-12-09 09:58:47,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:58:47,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80351 states. [2020-12-09 09:58:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80351 to 76561. [2020-12-09 09:58:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76561 states. [2020-12-09 09:58:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76561 states to 76561 states and 80910 transitions. [2020-12-09 09:58:48,432 INFO L78 Accepts]: Start accepts. Automaton has 76561 states and 80910 transitions. Word has length 3395 [2020-12-09 09:58:48,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:58:48,433 INFO L481 AbstractCegarLoop]: Abstraction has 76561 states and 80910 transitions. [2020-12-09 09:58:48,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:58:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 76561 states and 80910 transitions. [2020-12-09 09:58:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3560 [2020-12-09 09:58:48,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:58:48,622 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:58:48,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 09:58:48,622 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:58:48,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:58:48,623 INFO L82 PathProgramCache]: Analyzing trace with hash -413369958, now seen corresponding path program 1 times [2020-12-09 09:58:48,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:58:48,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674174405] [2020-12-09 09:58:48,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:58:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:58:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 5134 proven. 223 refuted. 0 times theorem prover too weak. 5611 trivial. 0 not checked. [2020-12-09 09:58:59,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674174405] [2020-12-09 09:58:59,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871661153] [2020-12-09 09:58:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:59:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:59:00,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 4173 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:59:00,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:59:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 6389 proven. 0 refuted. 0 times theorem prover too weak. 4579 trivial. 0 not checked. [2020-12-09 09:59:07,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:59:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 6389 proven. 0 refuted. 0 times theorem prover too weak. 4579 trivial. 0 not checked. [2020-12-09 09:59:16,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:59:16,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2020-12-09 09:59:16,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879150772] [2020-12-09 09:59:16,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:59:16,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:59:16,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:59:16,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 09:59:16,010 INFO L87 Difference]: Start difference. First operand 76561 states and 80910 transitions. Second operand 3 states. [2020-12-09 09:59:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:59:21,166 INFO L93 Difference]: Finished difference Result 158427 states and 167305 transitions. [2020-12-09 09:59:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:59:21,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3559 [2020-12-09 09:59:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:59:21,223 INFO L225 Difference]: With dead ends: 158427 [2020-12-09 09:59:21,223 INFO L226 Difference]: Without dead ends: 74287 [2020-12-09 09:59:21,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7124 GetRequests, 7115 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 09:59:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74287 states. [2020-12-09 09:59:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74287 to 72771. [2020-12-09 09:59:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72771 states. [2020-12-09 09:59:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72771 states to 72771 states and 73889 transitions. [2020-12-09 09:59:21,881 INFO L78 Accepts]: Start accepts. Automaton has 72771 states and 73889 transitions. Word has length 3559 [2020-12-09 09:59:21,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:59:21,883 INFO L481 AbstractCegarLoop]: Abstraction has 72771 states and 73889 transitions. [2020-12-09 09:59:21,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:59:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 72771 states and 73889 transitions. [2020-12-09 09:59:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4190 [2020-12-09 09:59:22,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:59:22,070 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 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, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 09:59:22,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:59:22,272 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:59:22,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:59:22,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1063486472, now seen corresponding path program 1 times [2020-12-09 09:59:22,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:59:22,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317679605] [2020-12-09 09:59:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:59:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:59:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16601 backedges. 5413 proven. 89 refuted. 0 times theorem prover too weak. 11099 trivial. 0 not checked. [2020-12-09 09:59:36,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317679605] [2020-12-09 09:59:36,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727459162] [2020-12-09 09:59:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:59:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:59:37,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 4878 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:59:37,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:59:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16601 backedges. 10268 proven. 0 refuted. 0 times theorem prover too weak. 6333 trivial. 0 not checked. [2020-12-09 09:59:47,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:59:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16601 backedges. 10268 proven. 0 refuted. 0 times theorem prover too weak. 6333 trivial. 0 not checked. [2020-12-09 09:59:59,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:59:59,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 09:59:59,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003910848] [2020-12-09 09:59:59,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:59:59,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:59:59,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:59:59,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:59:59,096 INFO L87 Difference]: Start difference. First operand 72771 states and 73889 transitions. Second operand 3 states. [2020-12-09 10:00:02,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:02,289 INFO L93 Difference]: Finished difference Result 169039 states and 171702 transitions. [2020-12-09 10:00:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:00:02,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4189 [2020-12-09 10:00:02,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:02,363 INFO L225 Difference]: With dead ends: 169039 [2020-12-09 10:00:02,363 INFO L226 Difference]: Without dead ends: 97027 [2020-12-09 10:00:02,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8381 GetRequests, 8375 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:00:02,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97027 states. [2020-12-09 10:00:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97027 to 88689. [2020-12-09 10:00:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88689 states. [2020-12-09 10:00:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88689 states to 88689 states and 90015 transitions. [2020-12-09 10:00:03,214 INFO L78 Accepts]: Start accepts. Automaton has 88689 states and 90015 transitions. Word has length 4189 [2020-12-09 10:00:03,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:03,216 INFO L481 AbstractCegarLoop]: Abstraction has 88689 states and 90015 transitions. [2020-12-09 10:00:03,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:00:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 88689 states and 90015 transitions. [2020-12-09 10:00:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4392 [2020-12-09 10:00:03,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:03,348 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:00:03,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:00:03,549 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:03,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1517225772, now seen corresponding path program 1 times [2020-12-09 10:00:03,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:03,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587720303] [2020-12-09 10:00:03,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 19987 backedges. 6032 proven. 89 refuted. 0 times theorem prover too weak. 13866 trivial. 0 not checked. [2020-12-09 10:00:18,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587720303] [2020-12-09 10:00:18,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710085503] [2020-12-09 10:00:18,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:00:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:19,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 5122 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:00:19,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:00:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 19987 backedges. 3625 proven. 0 refuted. 0 times theorem prover too weak. 16362 trivial. 0 not checked. [2020-12-09 10:00:32,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:00:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 19987 backedges. 3625 proven. 0 refuted. 0 times theorem prover too weak. 16362 trivial. 0 not checked. [2020-12-09 10:00:44,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:00:44,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 10:00:44,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623284861] [2020-12-09 10:00:44,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:00:44,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:44,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:00:44,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:00:44,099 INFO L87 Difference]: Start difference. First operand 88689 states and 90015 transitions. Second operand 3 states. [2020-12-09 10:00:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:47,490 INFO L93 Difference]: Finished difference Result 180407 states and 183097 transitions. [2020-12-09 10:00:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:00:47,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4391 [2020-12-09 10:00:47,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:47,493 INFO L225 Difference]: With dead ends: 180407 [2020-12-09 10:00:47,493 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 10:00:47,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8785 GetRequests, 8779 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:00:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 10:00:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 10:00:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 10:00:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 10:00:47,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4391 [2020-12-09 10:00:47,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:47,530 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 10:00:47,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:00:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 10:00:47,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 10:00:47,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:00:47,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 10:00:48,257 WARN L197 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 268 [2020-12-09 10:00:48,702 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 268 [2020-12-09 10:00:49,028 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 239 [2020-12-09 10:00:49,229 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 183 [2020-12-09 10:00:49,438 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 183 [2020-12-09 10:00:52,412 WARN L197 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 232 DAG size of output: 77 [2020-12-09 10:00:54,933 WARN L197 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 232 DAG size of output: 77 [2020-12-09 10:00:57,160 WARN L197 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 211 DAG size of output: 72 [2020-12-09 10:00:59,498 WARN L197 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 172 DAG size of output: 72 [2020-12-09 10:01:01,763 WARN L197 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 172 DAG size of output: 72 [2020-12-09 10:01:01,765 INFO L262 CegarLoopResult]: For program point L1819(lines 1819 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,765 INFO L262 CegarLoopResult]: For program point L762(lines 762 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,765 INFO L262 CegarLoopResult]: For program point L1555(lines 1555 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,765 INFO L262 CegarLoopResult]: For program point L234(lines 234 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,765 INFO L262 CegarLoopResult]: For program point L2084(lines 2084 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L3141(lines 3141 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L2613(lines 2613 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L4463(lines 4463 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1292(lines 1292 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L3671(lines 3671 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L500(lines 500 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L3936(lines 3936 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1823(lines 1823 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L2352(lines 2352 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L2881(lines 2881 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1560(lines 1560 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L4203(lines 4203 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1032(lines 1032 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L3411(lines 3411 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L240(lines 240 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L3147(lines 3147 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L2883(lines 2883 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L769(lines 769 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L3676(lines 3676 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1298(lines 1298 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L2091(lines 2091 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,766 INFO L262 CegarLoopResult]: For program point L1827(lines 1827 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L506(lines 506 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L4470(lines 4470 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L3942(lines 3942 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L2621(lines 2621 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L2358(lines 2358 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L1566(lines 1566 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L1038(lines 1038 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L774(lines 774 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L3681(lines 3681 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L1303(lines 1303 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L246(lines 246 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L4210(lines 4210 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L4739-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L2625(lines 2625 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L511(lines 511 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L3418(lines 3418 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L2361(lines 2361 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L3154(lines 3154 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L2097(lines 2097 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L2890(lines 2890 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,767 INFO L262 CegarLoopResult]: For program point L4477(lines 4477 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L3949(lines 3949 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L1835(lines 1835 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L4742-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L514(lines 514 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L4743(line 4743) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L1572(lines 1572 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L1308(lines 1308 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L3423(lines 3423 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L252(lines 252 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L781(lines 781 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L3688(lines 3688 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L4217(lines 4217 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L2103(lines 2103 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L2632(lines 2632 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L2368(lines 2368 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L3161(lines 3161 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L2897(lines 2897 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,768 INFO L262 CegarLoopResult]: For program point L3955(lines 3955 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L4484(lines 4484 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L1578(lines 1578 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L521(lines 521 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L1843(lines 1843 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L786(lines 786 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L3694(lines 3694 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L3430(lines 3430 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L259(lines 259 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L788(lines 788 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L2110(lines 2110 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L4224(lines 4224 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L2639(lines 2639 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L3432(lines 3432 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L1318(lines 1318 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L2375(lines 2375 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L3168(lines 3168 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L2904(lines 2904 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L4490(lines 4490 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L1055(lines 1055 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,769 INFO L262 CegarLoopResult]: For program point L1584(lines 1584 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L3963(lines 3963 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L1849(lines 1849 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4743) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L528(lines 528 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L2114(lines 2114 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L793(lines 793 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L3700(lines 3700 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L265(lines 265 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L2908(lines 2908 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L4494(lines 4494 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L4230(lines 4230 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L3173(lines 3173 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L2645(lines 2645 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L2382(lines 2382 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L3439(lines 3439 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L3968(lines 3968 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L1854(lines 1854 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L1326(lines 1326 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L1062(lines 1062 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,770 INFO L262 CegarLoopResult]: For program point L798(lines 798 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L270(lines 270 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L2120(lines 2120 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L3706(lines 3706 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L535(lines 535 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L3178(lines 3178 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L4236(lines 4236 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L2915(lines 2915 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L1594(lines 1594 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L2651(lines 2651 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L4501(lines 4501 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L802(lines 802 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L539(lines 539 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L3446(lines 3446 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L2389(lines 2389 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L275(lines 275 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L2125(lines 2125 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L3975(lines 3975 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L1861(lines 1861 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L3711(lines 3711 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,771 INFO L262 CegarLoopResult]: For program point L1069(lines 1069 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L4506(lines 4506 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L278(lines 278 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L4242(lines 4242 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L3186(lines 3186 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L2394(lines 2394 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L2923(lines 2923 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L809(lines 809 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L1602(lines 1602 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L2659(lines 2659 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L1338(lines 1338 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L2131(lines 2131 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L3717(lines 3717 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L546(lines 546 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L3453(lines 3453 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L3982(lines 3982 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L1869(lines 1869 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L4512(lines 4512 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L284(lines 284 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L3191(lines 3191 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,772 INFO L262 CegarLoopResult]: For program point L4248(lines 4248 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L549(lines 549 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L2664(lines 2664 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L2401(lines 2401 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L2137(lines 2137 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L2930(lines 2930 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L3723(lines 3723 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L1609(lines 1609 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L3459(lines 3459 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L3988(lines 3988 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L817(lines 817 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L4517(lines 4517 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L1082(lines 1082 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L290(lines 290 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L1876(lines 1876 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L4255(lines 4255 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L3198(lines 3198 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L556(lines 556 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L2142(lines 2142 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L2671(lines 2671 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L1615(lines 1615 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,773 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L1087(lines 1087 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L2937(lines 2937 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3730(lines 3730 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L4523(lines 4523 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3466(lines 3466 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L2409(lines 2409 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L2145(lines 2145 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3995(lines 3995 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L1881(lines 1881 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L824(lines 824 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L297(lines 297 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3204(lines 3204 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L4261(lines 4261 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3999(lines 3999 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L2678(lines 2678 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L564(lines 564 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L2414(lines 2414 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3736(lines 3736 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L3472(lines 3472 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,774 INFO L262 CegarLoopResult]: For program point L1358(lines 1358 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L1094(lines 1094 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L2151(lines 2151 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L2944(lines 2944 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L4530(lines 4530 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L3209(lines 3209 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L1888(lines 1888 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L832(lines 832 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L304(lines 304 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L4268(lines 4268 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L2419(lines 2419 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L3741(lines 3741 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L570(lines 570 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L2685(lines 2685 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L4535(lines 4535 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L3214(lines 3214 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L1100(lines 1100 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L2950(lines 2950 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L4007(lines 4007 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L1629(lines 1629 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,775 INFO L262 CegarLoopResult]: For program point L2158(lines 2158 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L1894(lines 1894 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L3480(lines 3480 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L2423(lines 2423 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L574(lines 574 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L839(lines 839 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L4275(lines 4275 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L4540(lines 4540 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L312(lines 312 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L3219(lines 3219 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L2955(lines 2955 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L3748(lines 3748 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L2691(lines 2691 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L2427(lines 2427 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L1899(lines 1899 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L2164(lines 2164 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L50(lines 50 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L4014(lines 4014 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L1636(lines 1636 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,776 INFO L262 CegarLoopResult]: For program point L3486(lines 3486 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L845(lines 845 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L4545(lines 4545 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L317(lines 317 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L2960(lines 2960 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L3753(lines 3753 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L582(lines 582 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L4282(lines 4282 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L1905(lines 1905 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L2698(lines 2698 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L2434(lines 2434 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L2170(lines 2170 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L3227(lines 3227 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L57(lines 57 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L4021(lines 4021 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L850(lines 850 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point L3493(lines 3493 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,777 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 10:01:01,778 INFO L262 CegarLoopResult]: For program point L2966(lines 2966 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,778 INFO L262 CegarLoopResult]: For program point L1909(lines 1909 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,778 INFO L262 CegarLoopResult]: For program point L4552(lines 4552 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,778 INFO L262 CegarLoopResult]: For program point L324(lines 324 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,778 INFO L262 CegarLoopResult]: For program point L4288(lines 4288 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,778 INFO L258 CegarLoopResult]: At program point L4817(lines 4084 4818) the Hoare annotation is: (let ((.cse6 (= ~a7~0 1)) (.cse12 (<= 19 ~a26~0)) (.cse4 (<= ~a26~0 17)) (.cse8 (<= ~a4~0 17)) (.cse7 (<= ~a28~0 15)) (.cse13 (<= ~a28~0 16)) (.cse11 (<= ~a14~0 19)) (.cse9 (<= 16 ~a28~0)) (.cse10 (<= 17 ~a4~0)) (.cse3 (= ~a14~0 20)) (.cse15 (<= 17 ~a28~0)) (.cse14 (<= ~a4~0 16)) (.cse2 (<= ~a3~0 0)) (.cse0 (<= ~a14~0 18)) (.cse1 (<= ~a26~0 18)) (.cse5 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and .cse8 .cse3 .cse9 .cse10 .cse1 .cse5) (and .cse11 .cse12 .cse9 .cse10 .cse5) (and .cse11 .cse6 .cse1 .cse2) (and .cse11 .cse7 .cse12 .cse2) (and .cse3 .cse6 .cse9 .cse5) (and .cse13 .cse3 .cse12 .cse9 .cse10 .cse2) (and .cse13 .cse11 .cse6 .cse2) (and .cse13 .cse11 .cse5 .cse14) (and (= ~a28~0 15) .cse8 .cse3 .cse6 (= ~a1~0 1) (= ~a25~0 1) .cse5) (and .cse8 .cse11 .cse10 .cse2) (and .cse3 .cse7 .cse12 .cse5) (and .cse11 .cse7 .cse4 .cse5) (and .cse11 .cse6 .cse5) (and .cse15 .cse0 .cse2) (and .cse3 .cse15 .cse5) (and .cse8 .cse3 .cse7 .cse2) (and .cse13 .cse3 .cse6 .cse1 .cse2) (and .cse11 .cse7 .cse14 .cse2) (and .cse11 .cse4 .cse15 .cse2) (and .cse8 .cse0 .cse5) (and .cse3 .cse7 .cse1 .cse2) (and .cse8 .cse3 .cse6 .cse12 .cse10 .cse2) (and .cse8 .cse3 .cse4 .cse2) (and .cse8 .cse11 .cse9 .cse5 .cse1) (and .cse3 .cse7 .cse14 .cse5) (and .cse11 .cse15 .cse14 .cse1 .cse2) (and .cse11 .cse15 .cse1 .cse5) (and .cse13 .cse11 .cse9 .cse10 .cse1 .cse2) (and .cse3 .cse15 .cse14 .cse2) (and .cse0 .cse1 .cse5))) [2020-12-09 10:01:01,778 INFO L262 CegarLoopResult]: For program point L589(lines 589 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L258 CegarLoopResult]: At program point L1382(lines 49 1383) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 15)) (.cse6 (= ~a7~0 1)) (.cse10 (<= 19 ~a26~0)) (.cse4 (<= ~a26~0 17)) (.cse14 (<= ~a4~0 17)) (.cse13 (<= ~a28~0 16)) (.cse9 (<= ~a14~0 19)) (.cse11 (<= 16 ~a28~0)) (.cse12 (<= 17 ~a4~0)) (.cse3 (= ~a14~0 20)) (.cse15 (<= 17 ~a28~0)) (.cse8 (<= ~a4~0 16)) (.cse2 (<= ~a3~0 0)) (.cse0 (<= ~a14~0 18)) (.cse1 (<= ~a26~0 18)) (.cse5 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and .cse3 .cse7 .cse5 .cse8) (and .cse9 .cse6 .cse1 .cse2) (and .cse9 .cse10 .cse11 .cse12 .cse5) (and .cse9 .cse7 .cse10 .cse2) (and .cse3 .cse13 .cse10 .cse11 .cse12 .cse2) (and .cse14 .cse9 .cse7 .cse2) (and .cse3 .cse6 .cse11 .cse5) (and .cse13 .cse9 .cse6 .cse2) (and (= ~a28~0 15) .cse14 .cse3 .cse6 (= ~a1~0 1) (= ~a25~0 1) .cse5) (and .cse3 .cse13 .cse6 .cse1 .cse2) (and .cse14 .cse9 .cse12 .cse2) (and .cse14 .cse13 .cse9 .cse11 .cse5) (and .cse14 .cse9 .cse7 .cse5 .cse8) (and .cse3 .cse7 .cse10 .cse5) (and .cse9 .cse7 .cse4 .cse5) (and .cse9 .cse6 .cse5) (and .cse15 .cse0 .cse2) (and .cse3 .cse15 .cse5) (and .cse0 .cse5 .cse8) (and .cse14 .cse3 .cse7 .cse2) (and .cse9 .cse4 .cse15 .cse2) (and .cse3 .cse7 .cse1 .cse2) (and .cse14 .cse9 .cse7 .cse0 .cse5) (and .cse14 .cse3 .cse6 .cse10 .cse12 .cse2) (and .cse14 .cse3 .cse4 .cse2) (and .cse9 .cse15 .cse8 .cse1 .cse2) (and .cse9 .cse15 .cse1 .cse5) (and .cse14 .cse3 .cse11 .cse5 .cse12 .cse1) (and .cse13 .cse9 .cse11 .cse12 .cse1 .cse2) (and .cse3 .cse15 .cse8 .cse2) (and .cse0 .cse1 .cse5))) [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L3761(lines 3761 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L2176(lines 2176 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L3233(lines 3233 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L62(lines 62 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L1912(lines 1912 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L855(lines 855 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L2441(lines 2441 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L2706(lines 2706 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L265 CegarLoopResult]: At program point L4820(lines 4820 4837) the Hoare annotation is: true [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L4028(lines 4028 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L2971(lines 2971 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,779 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L3500(lines 3500 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L1386(lines 1386 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L329(lines 329 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L4294(lines 4294 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L595(lines 595 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L4559(lines 4559 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L1917(lines 1917 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L1653(lines 1653 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L2446(lines 2446 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L3239(lines 3239 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L68(lines 68 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L861(lines 861 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L3768(lines 3768 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L333(lines 333 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L2183(lines 2183 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L2976(lines 2976 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,780 INFO L262 CegarLoopResult]: For program point L2712(lines 2712 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L258 CegarLoopResult]: At program point L4826-2(lines 4826 4836) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 15)) (.cse6 (= ~a7~0 1)) (.cse10 (<= 19 ~a26~0)) (.cse4 (<= ~a26~0 17)) (.cse14 (<= ~a4~0 17)) (.cse13 (<= ~a28~0 16)) (.cse9 (<= ~a14~0 19)) (.cse11 (<= 16 ~a28~0)) (.cse12 (<= 17 ~a4~0)) (.cse3 (= ~a14~0 20)) (.cse15 (<= 17 ~a28~0)) (.cse8 (<= ~a4~0 16)) (.cse2 (<= ~a3~0 0)) (.cse0 (<= ~a14~0 18)) (.cse1 (<= ~a26~0 18)) (.cse5 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and .cse3 .cse7 .cse5 .cse8) (and .cse9 .cse6 .cse1 .cse2) (and .cse9 .cse10 .cse11 .cse12 .cse5) (and .cse9 .cse7 .cse10 .cse2) (and .cse3 .cse13 .cse10 .cse11 .cse12 .cse2) (and .cse14 .cse9 .cse7 .cse2) (and .cse3 .cse6 .cse11 .cse5) (and .cse13 .cse9 .cse6 .cse2) (and (= ~a28~0 15) .cse14 .cse3 .cse6 (= ~a1~0 1) (= ~a25~0 1) .cse5) (and .cse3 .cse13 .cse6 .cse1 .cse2) (and .cse14 .cse9 .cse12 .cse2) (and .cse14 .cse13 .cse9 .cse11 .cse5) (and .cse14 .cse9 .cse7 .cse5 .cse8) (and .cse3 .cse7 .cse10 .cse5) (and .cse9 .cse7 .cse4 .cse5) (and .cse9 .cse6 .cse5) (and .cse15 .cse0 .cse2) (and .cse3 .cse15 .cse5) (and .cse0 .cse5 .cse8) (and .cse14 .cse3 .cse7 .cse2) (and .cse9 .cse4 .cse15 .cse2) (and .cse3 .cse7 .cse1 .cse2) (and .cse14 .cse9 .cse7 .cse0 .cse5) (and .cse14 .cse3 .cse6 .cse10 .cse12 .cse2) (and .cse14 .cse3 .cse4 .cse2) (and .cse9 .cse15 .cse8 .cse1 .cse2) (and .cse9 .cse15 .cse1 .cse5) (and .cse14 .cse3 .cse11 .cse5 .cse12 .cse1) (and .cse13 .cse9 .cse11 .cse12 .cse1 .cse2) (and .cse3 .cse15 .cse8 .cse2) (and .cse0 .cse1 .cse5))) [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L3505(lines 3505 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L4034(lines 4034 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L4299(lines 4299 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L1658(lines 1658 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L4566(lines 4566 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L1131(lines 1131 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L1924(lines 1924 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L2981(lines 2981 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L4831(line 4831) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L3774(lines 3774 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L603(lines 603 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L3246(lines 3246 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L2454(lines 2454 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L1397(lines 1397 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,781 INFO L262 CegarLoopResult]: For program point L340(lines 340 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L2190(lines 2190 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L4304(lines 4304 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L76(lines 76 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L869(lines 869 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L258 CegarLoopResult]: At program point L2719(lines 1385 2720) the Hoare annotation is: (let ((.cse6 (= ~a7~0 1)) (.cse12 (<= 19 ~a26~0)) (.cse8 (<= ~a4~0 17)) (.cse4 (<= ~a26~0 17)) (.cse7 (<= ~a28~0 15)) (.cse13 (<= ~a28~0 16)) (.cse11 (<= ~a14~0 19)) (.cse9 (<= 16 ~a28~0)) (.cse10 (<= 17 ~a4~0)) (.cse3 (= ~a14~0 20)) (.cse15 (<= 17 ~a28~0)) (.cse14 (<= ~a4~0 16)) (.cse2 (<= ~a3~0 0)) (.cse0 (<= ~a14~0 18)) (.cse1 (<= ~a26~0 18)) (.cse5 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and .cse8 .cse3 .cse9 .cse10 .cse1 .cse5) (and .cse11 .cse12 .cse9 .cse10 .cse5) (and .cse11 .cse6 .cse1 .cse2) (and .cse11 .cse7 .cse12 .cse2) (and .cse3 .cse13 .cse12 .cse9 .cse10 .cse2) (and .cse3 .cse6 .cse9 .cse5) (and .cse13 .cse11 .cse6 .cse2) (and (= ~a28~0 15) .cse8 .cse3 .cse6 (= ~a1~0 1) (= ~a25~0 1) .cse5) (and .cse8 .cse11 .cse10 .cse2) (and .cse8 .cse13 .cse11 .cse9 .cse5) (and .cse8 .cse11 .cse7 .cse5 .cse14) (and .cse3 .cse7 .cse12 .cse5) (and .cse11 .cse7 .cse4 .cse5) (and .cse11 .cse6 .cse5) (and .cse15 .cse0 .cse2) (and .cse3 .cse15 .cse5) (and .cse8 .cse3 .cse7 .cse2) (and .cse13 .cse3 .cse6 .cse1 .cse2) (and .cse11 .cse7 .cse14 .cse2) (and .cse11 .cse4 .cse15 .cse2) (and .cse3 .cse7 .cse1 .cse2) (and .cse8 .cse11 .cse7 .cse0 .cse5) (and .cse8 .cse3 .cse6 .cse12 .cse10 .cse2) (and .cse8 .cse3 .cse4 .cse2) (and .cse3 .cse7 .cse14 .cse5) (and .cse11 .cse15 .cse14 .cse1 .cse2) (and .cse11 .cse15 .cse1 .cse5) (and .cse15 .cse0 .cse5) (and .cse13 .cse11 .cse9 .cse10 .cse1 .cse2) (and .cse3 .cse15 .cse14 .cse2) (and .cse0 .cse1 .cse5))) [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L3512(lines 3512 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L4041(lines 4041 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L1664(lines 1664 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L1929(lines 1929 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L872(lines 872 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L3779(lines 3779 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L2723(lines 2723 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L4573(lines 4573 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L2459(lines 2459 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L3252(lines 3252 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,782 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L2988(lines 2988 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L610(lines 610 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L4310(lines 4310 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L2196(lines 2196 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L82(lines 82 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L347(lines 347 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L3519(lines 3519 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L4048(lines 4048 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L2992(lines 2992 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L878(lines 878 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L3785(lines 3785 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L1143(lines 1143 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L1936(lines 1936 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L2729(lines 2729 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L2466(lines 2466 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L4580(lines 4580 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L4316(lines 4316 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L617(lines 617 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,783 INFO L262 CegarLoopResult]: For program point L3260(lines 3260 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L2203(lines 2203 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L90(lines 90 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L1676(lines 1676 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L355(lines 355 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L4055(lines 4055 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L2470(lines 2470 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L3527(lines 3527 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L2999(lines 2999 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L3792(lines 3792 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L4585(lines 4585 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L1150(lines 1150 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L1943(lines 1943 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L886(lines 886 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L2736(lines 2736 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L4323(lines 4323 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L3266(lines 3266 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L95(lines 95 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L624(lines 624 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L2210(lines 2210 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,784 INFO L262 CegarLoopResult]: For program point L362(lines 362 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L4062(lines 4062 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L2741(lines 2741 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L3534(lines 3534 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L2477(lines 2477 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L3006(lines 3006 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L3799(lines 3799 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L1950(lines 1950 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L4593(lines 4593 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L2215(lines 2215 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L894(lines 894 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L630(lines 630 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L4330(lines 4330 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L3273(lines 3273 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L102(lines 102 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L3804(lines 3804 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L2483(lines 2483 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L369(lines 369 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L3276(lines 3276 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L4069(lines 4069 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,785 INFO L262 CegarLoopResult]: For program point L2748(lines 2748 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L3541(lines 3541 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L1163(lines 1163 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L635(lines 635 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L3014(lines 3014 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L2486(lines 2486 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L4600(lines 4600 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L2222(lines 2222 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L4336(lines 4336 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L1958(lines 1958 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L901(lines 901 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L109(lines 109 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L4602(lines 4602 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L1431(lines 1431 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L3281(lines 3281 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L4074(lines 4074 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L2753(lines 2753 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L3811(lines 3811 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L641(lines 641 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L3548(lines 3548 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L377(lines 377 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,786 INFO L262 CegarLoopResult]: For program point L3020(lines 3020 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L2492(lines 2492 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L3285(lines 3285 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L907(lines 907 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L4607(lines 4607 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L2229(lines 2229 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L115(lines 115 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L1965(lines 1965 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L4344(lines 4344 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L3816(lines 3816 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L645(lines 645 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L258 CegarLoopResult]: At program point L4081(lines 2722 4082) the Hoare annotation is: (let ((.cse6 (= ~a7~0 1)) (.cse12 (<= 19 ~a26~0)) (.cse4 (<= ~a26~0 17)) (.cse8 (<= ~a4~0 17)) (.cse7 (<= ~a28~0 15)) (.cse13 (<= ~a28~0 16)) (.cse11 (<= ~a14~0 19)) (.cse9 (<= 16 ~a28~0)) (.cse10 (<= 17 ~a4~0)) (.cse3 (= ~a14~0 20)) (.cse15 (<= 17 ~a28~0)) (.cse14 (<= ~a4~0 16)) (.cse2 (<= ~a3~0 0)) (.cse0 (<= ~a14~0 18)) (.cse1 (<= ~a26~0 18)) (.cse5 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and .cse8 .cse3 .cse9 .cse10 .cse1 .cse5) (and .cse11 .cse12 .cse9 .cse10 .cse5) (and .cse11 .cse6 .cse1 .cse2) (and .cse11 .cse7 .cse12 .cse2) (and .cse3 .cse6 .cse9 .cse5) (and .cse13 .cse3 .cse12 .cse9 .cse10 .cse2) (and .cse13 .cse11 .cse6 .cse2) (and .cse13 .cse11 .cse5 .cse14) (and (= ~a28~0 15) .cse8 .cse3 .cse6 (= ~a1~0 1) (= ~a25~0 1) .cse5) (and .cse8 .cse11 .cse10 .cse2) (and .cse3 .cse7 .cse12 .cse5) (and .cse11 .cse7 .cse4 .cse5) (and .cse11 .cse6 .cse5) (and .cse15 .cse0 .cse2) (and .cse3 .cse15 .cse5) (and .cse8 .cse3 .cse7 .cse2) (and .cse13 .cse3 .cse6 .cse1 .cse2) (and .cse11 .cse7 .cse14 .cse2) (and .cse11 .cse4 .cse15 .cse2) (and .cse8 .cse0 .cse5) (and .cse3 .cse7 .cse1 .cse2) (and .cse8 .cse3 .cse6 .cse12 .cse10 .cse2) (and .cse8 .cse3 .cse4 .cse2) (and .cse8 .cse11 .cse9 .cse5 .cse1) (and .cse3 .cse7 .cse14 .cse5) (and .cse11 .cse15 .cse14 .cse1 .cse2) (and .cse11 .cse15 .cse1 .cse5) (and .cse13 .cse11 .cse9 .cse10 .cse1 .cse2) (and .cse3 .cse15 .cse14 .cse2) (and .cse0 .cse1 .cse5))) [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L2760(lines 2760 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L382(lines 382 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L3554(lines 3554 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,787 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L4612(lines 4612 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L3291(lines 3291 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L3027(lines 3027 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L649(lines 649 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L2235(lines 2235 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L4085(lines 4085 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L1971(lines 1971 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L914(lines 914 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L122(lines 122 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L3822(lines 3822 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L387(lines 387 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L4351(lines 4351 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L2766(lines 2766 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L3031(lines 3031 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L1710(lines 1710 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L2503(lines 2503 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L3561(lines 3561 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L2240(lines 2240 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L126(lines 126 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L4090(lines 4090 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L919(lines 919 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,788 INFO L262 CegarLoopResult]: For program point L655(lines 655 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L3298(lines 3298 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L1184(lines 1184 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L2770(lines 2770 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L4620(lines 4620 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L393(lines 393 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L4357(lines 4357 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L1979(lines 1979 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L1715(lines 1715 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L3830(lines 3830 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L3566(lines 3566 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L2245(lines 2245 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L131(lines 131 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L3038(lines 3038 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L2510(lines 2510 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L4096(lines 4096 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L2775(lines 2775 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L3304(lines 3304 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L1983(lines 1983 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L926(lines 926 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L662(lines 662 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L1455(lines 1455 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,789 INFO L262 CegarLoopResult]: For program point L398(lines 398 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L4362(lines 4362 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L4627(lines 4627 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L2249(lines 2249 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L3837(lines 3837 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L3573(lines 3573 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L4366(lines 4366 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L3309(lines 3309 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L138(lines 138 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L3045(lines 3045 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L1460(lines 1460 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L2517(lines 2517 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L403(lines 403 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L1196(lines 1196 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L2782(lines 2782 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L4104(lines 4104 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L1990(lines 1990 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L934(lines 934 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L1727(lines 1727 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L670(lines 670 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L2256(lines 2256 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,790 INFO L262 CegarLoopResult]: For program point L3050(lines 3050 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L1465(lines 1465 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L3315(lines 3315 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L4372(lines 4372 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L1201(lines 1201 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L3844(lines 3844 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L3580(lines 3580 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L146(lines 146 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L2789(lines 2789 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L2525(lines 2525 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L411(lines 411 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L4111(lines 4111 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L1997(lines 1997 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L676(lines 676 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L2262(lines 2262 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L941(lines 941 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L1734(lines 1734 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L3584(lines 3584 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L3320(lines 3320 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L4378(lines 4378 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,791 INFO L262 CegarLoopResult]: For program point L3057(lines 3057 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L3850(lines 3850 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L151(lines 151 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2794(lines 2794 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L416(lines 416 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L4116(lines 4116 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2531(lines 2531 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L946(lines 946 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L682(lines 682 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2004(lines 2004 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L3590(lines 3590 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2269(lines 2269 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L3062(lines 3062 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L1477(lines 1477 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L3327(lines 3327 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L4384(lines 4384 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L3856(lines 3856 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L1742(lines 1742 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L157(lines 157 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L422(lines 422 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L4122(lines 4122 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2801(lines 2801 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2273(lines 2273 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,792 INFO L262 CegarLoopResult]: For program point L2009(lines 2009 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L952(lines 952 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L1481(lines 1481 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L689(lines 689 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L2539(lines 2539 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L161(lines 161 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L3068(lines 3068 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L3862(lines 3862 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L1748(lines 1748 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L3598(lines 3598 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L1484(lines 1484 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L3334(lines 3334 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L2806(lines 2806 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L2278(lines 2278 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L4392(lines 4392 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L4128(lines 4128 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L429(lines 429 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L165(lines 165 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L694(lines 694 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L2016(lines 2016 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L2545(lines 2545 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,793 INFO L262 CegarLoopResult]: For program point L960(lines 960 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3867(lines 3867 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3603(lines 3603 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3075(lines 3075 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L2811(lines 2811 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3340(lines 3340 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L4397(lines 4397 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L1755(lines 1755 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L1491(lines 1491 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L434(lines 434 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L170(lines 170 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L4135(lines 4135 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L2286(lines 2286 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L2022(lines 2022 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L701(lines 701 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L2551(lines 2551 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L966(lines 966 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L1231(lines 1231 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3081(lines 3081 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3874(lines 3874 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L3610(lines 3610 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L1496(lines 1496 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L2818(lines 2818 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,794 INFO L262 CegarLoopResult]: For program point L1761(lines 1761 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L440(lines 440 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L3347(lines 3347 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L4404(lines 4404 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L176(lines 176 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L2291(lines 2291 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L4141(lines 4141 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L3085(lines 3085 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L2029(lines 2029 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L3879(lines 3879 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L708(lines 708 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L2558(lines 2558 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L4408(lines 4408 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L973(lines 973 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L3617(lines 3617 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L1503(lines 1503 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L446(lines 446 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L2825(lines 2825 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L3354(lines 3354 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L183(lines 183 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L2033(lines 2033 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L1769(lines 1769 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,795 INFO L262 CegarLoopResult]: For program point L2298(lines 2298 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L4148(lines 4148 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L3091(lines 3091 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L1242(lines 1242 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L978(lines 978 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L714(lines 714 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L2564(lines 2564 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L450(lines 450 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L3886(lines 3886 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L3622(lines 3622 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L4415(lines 4415 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L3359(lines 3359 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L1510(lines 1510 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L1246(lines 1246 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L2303(lines 2303 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L189(lines 189 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L2039(lines 2039 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L2832(lines 2832 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L454(lines 454 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L3097(lines 3097 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L1776(lines 1776 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L4155(lines 4155 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,796 INFO L262 CegarLoopResult]: For program point L457(lines 457 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L986(lines 986 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3893(lines 3893 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L722(lines 722 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L2572(lines 2572 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3629(lines 3629 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3365(lines 3365 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L1516(lines 1516 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L4423(lines 4423 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L1252(lines 1252 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L2309(lines 2309 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L195(lines 195 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3102(lines 3102 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L2045(lines 2045 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L1781(lines 1781 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L2574(lines 2574 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L2839(lines 2839 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3897(lines 3897 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L4162(lines 4162 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3370(lines 3370 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L992(lines 992 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L464(lines 464 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L2314(lines 2314 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L4428(lines 4428 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,797 INFO L262 CegarLoopResult]: For program point L3900(lines 3900 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L1786(lines 1786 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L729(lines 729 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L3636(lines 3636 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L1522(lines 1522 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L2051(lines 2051 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L2844(lines 2844 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L202(lines 202 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L2581(lines 2581 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L3110(lines 3110 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L4168(lines 4168 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L998(lines 998 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L734(lines 734 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L3641(lines 3641 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L1527(lines 1527 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L4434(lines 4434 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L2320(lines 2320 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L3377(lines 3377 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L3906(lines 3906 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L471(lines 471 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L2057(lines 2057 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L2850(lines 2850 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,798 INFO L262 CegarLoopResult]: For program point L1793(lines 1793 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L208(lines 208 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L738(lines 738 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L2588(lines 2588 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L4438(lines 4438 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L4174(lines 4174 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L3117(lines 3117 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L3646(lines 3646 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L1005(lines 1005 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L1534(lines 1534 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L477(lines 477 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L3384(lines 3384 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L2327(lines 2327 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L2856(lines 2856 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L3913(lines 3913 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L214(lines 214 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L1800(lines 1800 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L2593(lines 2593 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L4443(lines 4443 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L2065(lines 2065 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L744(lines 744 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,799 INFO L262 CegarLoopResult]: For program point L3651(lines 3651 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L4180(lines 4180 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3916(lines 3916 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3124(lines 3124 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L482(lines 482 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L1011(lines 1011 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L1540(lines 1540 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L1276(lines 1276 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L2862(lines 2862 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L2334(lines 2334 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3391(lines 3391 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L4448(lines 4448 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L220(lines 220 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L4184(lines 4184 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L2599(lines 2599 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L1807(lines 1807 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L750(lines 750 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L2072(lines 2072 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3129(lines 3129 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3922(lines 3922 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3658(lines 3658 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L488(lines 488 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L1546(lines 1546 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,800 INFO L262 CegarLoopResult]: For program point L3396(lines 3396 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L4453(lines 4453 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L1282(lines 1282 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L1018(lines 1018 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L2868(lines 2868 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L2340(lines 2340 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L1812(lines 1812 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L227(lines 227 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L4191(lines 4191 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L756(lines 756 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L2078(lines 2078 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L3135(lines 3135 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L2607(lines 2607 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L3929(lines 3929 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L3665(lines 3665 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L1551(lines 1551 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L4458(lines 4458 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L1023(lines 1023 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L495(lines 495 1382) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L2346(lines 2346 2719) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L3403(lines 3403 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L4196(lines 4196 4633) no Hoare annotation was computed. [2020-12-09 10:01:01,801 INFO L262 CegarLoopResult]: For program point L2875(lines 2875 4081) no Hoare annotation was computed. [2020-12-09 10:01:01,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:01:01 BoogieIcfgContainer [2020-12-09 10:01:01,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:01:01,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:01:01,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:01:01,832 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:01:01,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:56:12" (3/4) ... [2020-12-09 10:01:01,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 10:01:01,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2020-12-09 10:01:01,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-09 10:01:01,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-09 10:01:01,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 10:01:02,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_52932b06-cadb-4642-ab46-702eca34d065/bin/utaipan/witness.graphml [2020-12-09 10:01:02,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:01:02,213 INFO L168 Benchmark]: Toolchain (without parser) took 296347.32 ms. Allocated memory was 100.7 MB in the beginning and 4.8 GB in the end (delta: 4.7 GB). Free memory was 66.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,213 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 75.7 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:01:02,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1439.86 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 66.6 MB in the beginning and 57.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.22 ms. Allocated memory is still 130.0 MB. Free memory was 57.8 MB in the beginning and 46.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,214 INFO L168 Benchmark]: Boogie Preprocessor took 203.07 ms. Allocated memory was 130.0 MB in the beginning and 167.8 MB in the end (delta: 37.7 MB). Free memory was 46.1 MB in the beginning and 80.4 MB in the end (delta: -34.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,214 INFO L168 Benchmark]: RCFGBuilder took 4481.36 ms. Allocated memory was 167.8 MB in the beginning and 343.9 MB in the end (delta: 176.2 MB). Free memory was 80.4 MB in the beginning and 182.1 MB in the end (delta: -101.7 MB). Peak memory consumption was 137.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,215 INFO L168 Benchmark]: TraceAbstraction took 289667.48 ms. Allocated memory was 343.9 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 182.1 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,215 INFO L168 Benchmark]: Witness Printer took 380.83 ms. Allocated memory is still 4.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:01:02,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 75.7 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1439.86 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 66.6 MB in the beginning and 57.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.22 ms. Allocated memory is still 130.0 MB. Free memory was 57.8 MB in the beginning and 46.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 203.07 ms. Allocated memory was 130.0 MB in the beginning and 167.8 MB in the end (delta: 37.7 MB). Free memory was 46.1 MB in the beginning and 80.4 MB in the end (delta: -34.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4481.36 ms. Allocated memory was 167.8 MB in the beginning and 343.9 MB in the end (delta: 176.2 MB). Free memory was 80.4 MB in the beginning and 182.1 MB in the end (delta: -101.7 MB). Peak memory consumption was 137.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 289667.48 ms. Allocated memory was 343.9 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 182.1 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 16.1 GB. * Witness Printer took 380.83 ms. Allocated memory is still 4.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4743]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4826]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a14 <= 18 && a26 <= 18) && a3 <= 0) || ((a14 == 20 && a26 <= 17) && a3 == 1)) || (((a7 == 1 && a28 <= 15) && a26 <= 17) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && a3 == 1) && a4 <= 16)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || ((((a14 <= 19 && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((((a14 == 20 && a28 <= 16) && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && a7 == 1) && 16 <= a28) && a3 == 1)) || (((a28 <= 16 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((((((a28 == 15 && a4 <= 17) && a14 == 20) && a7 == 1) && a1 == 1) && a25 == 1) && a3 == 1)) || ((((a14 == 20 && a28 <= 16) && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && 16 <= a28) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a3 == 1) && a4 <= 16)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || ((17 <= a28 && a14 <= 18) && a3 <= 0)) || ((a14 == 20 && 17 <= a28) && a3 == 1)) || ((a14 <= 18 && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a26 <= 18) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && 16 <= a28) && a3 == 1) && 17 <= a4) && a26 <= 18)) || (((((a28 <= 16 && a14 <= 19) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a14 <= 18 && a26 <= 18) && a3 == 1) - InvariantResult [Line: 4820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a14 <= 18 && a26 <= 18) && a3 <= 0) || ((a14 == 20 && a26 <= 17) && a3 == 1)) || (((a7 == 1 && a28 <= 15) && a26 <= 17) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && a3 == 1) && a4 <= 16)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || ((((a14 <= 19 && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((((a14 == 20 && a28 <= 16) && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && a7 == 1) && 16 <= a28) && a3 == 1)) || (((a28 <= 16 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((((((a28 == 15 && a4 <= 17) && a14 == 20) && a7 == 1) && a1 == 1) && a25 == 1) && a3 == 1)) || ((((a14 == 20 && a28 <= 16) && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && 16 <= a28) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a3 == 1) && a4 <= 16)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || ((17 <= a28 && a14 <= 18) && a3 <= 0)) || ((a14 == 20 && 17 <= a28) && a3 == 1)) || ((a14 <= 18 && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a26 <= 18) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && 16 <= a28) && a3 == 1) && 17 <= a4) && a26 <= 18)) || (((((a28 <= 16 && a14 <= 19) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a14 <= 18 && a26 <= 18) && a3 == 1) - InvariantResult [Line: 1385]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a14 <= 18 && a26 <= 18) && a3 <= 0) || ((a14 == 20 && a26 <= 17) && a3 == 1)) || (((a7 == 1 && a28 <= 15) && a26 <= 17) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 == 1)) || ((((a14 <= 19 && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((((a14 == 20 && a28 <= 16) && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a7 == 1) && 16 <= a28) && a3 == 1)) || (((a28 <= 16 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((((((a28 == 15 && a4 <= 17) && a14 == 20) && a7 == 1) && a1 == 1) && a25 == 1) && a3 == 1)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && 16 <= a28) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a3 == 1) && a4 <= 16)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || ((17 <= a28 && a14 <= 18) && a3 <= 0)) || ((a14 == 20 && 17 <= a28) && a3 == 1)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a28 <= 15) && a4 <= 16) && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a26 <= 18) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || ((((a14 <= 19 && 17 <= a28) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a26 <= 18) && a3 == 1)) || ((17 <= a28 && a14 <= 18) && a3 == 1)) || (((((a28 <= 16 && a14 <= 19) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a14 <= 18 && a26 <= 18) && a3 == 1) - InvariantResult [Line: 2722]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a14 <= 18 && a26 <= 18) && a3 <= 0) || ((a14 == 20 && a26 <= 17) && a3 == 1)) || (((a7 == 1 && a28 <= 15) && a26 <= 17) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 == 1)) || ((((a14 <= 19 && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 == 20 && a7 == 1) && 16 <= a28) && a3 == 1)) || (((((a28 <= 16 && a14 == 20) && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a28 <= 16 && a14 <= 19) && a3 == 1) && a4 <= 16)) || ((((((a28 == 15 && a4 <= 17) && a14 == 20) && a7 == 1) && a1 == 1) && a25 == 1) && a3 == 1)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || ((17 <= a28 && a14 <= 18) && a3 <= 0)) || ((a14 == 20 && 17 <= a28) && a3 == 1)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a28 <= 15) && a4 <= 16) && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && 17 <= a28) && a3 <= 0)) || ((a4 <= 17 && a14 <= 18) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && a26 <= 18) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 16 <= a28) && a3 == 1) && a26 <= 18)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || ((((a14 <= 19 && 17 <= a28) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a26 <= 18) && a3 == 1)) || (((((a28 <= 16 && a14 <= 19) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a14 <= 18 && a26 <= 18) && a3 == 1) - InvariantResult [Line: 4084]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a14 <= 18 && a26 <= 18) && a3 <= 0) || ((a14 == 20 && a26 <= 17) && a3 == 1)) || (((a7 == 1 && a28 <= 15) && a26 <= 17) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 == 1)) || ((((a14 <= 19 && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 == 20 && a7 == 1) && 16 <= a28) && a3 == 1)) || (((((a28 <= 16 && a14 == 20) && 19 <= a26) && 16 <= a28) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a28 <= 16 && a14 <= 19) && a3 == 1) && a4 <= 16)) || ((((((a28 == 15 && a4 <= 17) && a14 == 20) && a7 == 1) && a1 == 1) && a25 == 1) && a3 == 1)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || ((17 <= a28 && a14 <= 18) && a3 <= 0)) || ((a14 == 20 && 17 <= a28) && a3 == 1)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a28 <= 15) && a4 <= 16) && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && 17 <= a28) && a3 <= 0)) || ((a4 <= 17 && a14 <= 18) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && a26 <= 18) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 16 <= a28) && a3 == 1) && a26 <= 18)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || ((((a14 <= 19 && 17 <= a28) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a26 <= 18) && a3 == 1)) || (((((a28 <= 16 && a14 <= 19) && 16 <= a28) && 17 <= a4) && a26 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a14 <= 18 && a26 <= 18) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 763 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 275.5s, OverallIterations: 21, TraceHistogramMax: 17, AutomataDifference: 98.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16994 SDtfs, 15952 SDslu, 2321 SDs, 0 SdLazy, 53970 SolverSat, 14315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34859 GetRequests, 34788 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88689occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 53016 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 678 NumberOfFragments, 2328 HoareAnnotationTreeSize, 6 FomulaSimplifications, 70844 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 6 FomulaSimplificationsInter, 21220 FormulaSimplificationTreeSizeReductionInter, 12.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.0s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 92.7s InterpolantComputationTime, 52999 NumberOfCodeBlocks, 52999 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 70359 ConstructedInterpolants, 0 QuantifiedInterpolants, 381707511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 20753 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 35 InterpolantComputations, 28 PerfectInterpolantSequences, 181155/182118 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...