./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label51.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_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label51.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/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 dae4a7493e5c777545f6ae94e67aabbe36349db2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:54:27,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:54:27,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:54:27,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:54:27,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:54:27,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:54:27,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:54:27,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:54:27,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:54:27,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:54:27,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:54:27,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:54:27,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:54:27,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:54:27,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:54:27,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:54:27,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:54:27,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:54:27,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:54:27,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:54:27,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:54:27,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:54:27,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:54:27,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:54:27,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:54:27,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:54:27,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:54:27,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:54:27,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:54:27,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:54:27,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:54:27,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:54:27,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:54:27,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:54:27,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:54:27,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:54:27,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:54:27,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:54:27,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:54:27,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:54:27,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:54:27,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:54:27,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:54:27,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:54:27,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:54:27,588 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:54:27,588 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:54:27,588 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:54:27,588 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:54:27,589 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:54:27,589 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:54:27,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:54:27,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:54:27,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:54:27,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:54:27,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:54:27,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:54:27,592 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_5b8af8e0-142e-4260-b699-52809e62324b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dae4a7493e5c777545f6ae94e67aabbe36349db2 [2020-12-09 10:54:27,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:54:27,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:54:27,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:54:27,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:54:27,788 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:54:27,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem04_label51.c [2020-12-09 10:54:27,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/data/07f1a620e/0305545f7c014e39901fb3641e090c0a/FLAG1579286de [2020-12-09 10:54:28,358 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:54:28,359 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/sv-benchmarks/c/eca-rers2012/Problem04_label51.c [2020-12-09 10:54:28,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/data/07f1a620e/0305545f7c014e39901fb3641e090c0a/FLAG1579286de [2020-12-09 10:54:28,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/data/07f1a620e/0305545f7c014e39901fb3641e090c0a [2020-12-09 10:54:28,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:54:28,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:54:28,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:54:28,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:54:28,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:54:28,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:54:28" (1/1) ... [2020-12-09 10:54:28,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fa2932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:28, skipping insertion in model container [2020-12-09 10:54:28,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:54:28" (1/1) ... [2020-12-09 10:54:28,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:54:28,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:54:29,577 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_5b8af8e0-142e-4260-b699-52809e62324b/sv-benchmarks/c/eca-rers2012/Problem04_label51.c[180599,180612] [2020-12-09 10:54:29,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:54:29,603 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:54:30,029 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_5b8af8e0-142e-4260-b699-52809e62324b/sv-benchmarks/c/eca-rers2012/Problem04_label51.c[180599,180612] [2020-12-09 10:54:30,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:54:30,063 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:54:30,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30 WrapperNode [2020-12-09 10:54:30,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:54:30,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:54:30,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:54:30,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:54:30,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:54:30,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:54:30,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:54:30,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:54:30,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... [2020-12-09 10:54:30,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:54:30,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:54:30,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:54:30,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:54:30,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/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 10:54:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 10:54:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:54:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:54:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:54:34,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:54:34,177 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-09 10:54:34,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:54:34 BoogieIcfgContainer [2020-12-09 10:54:34,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:54:34,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:54:34,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:54:34,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:54:34,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:54:28" (1/3) ... [2020-12-09 10:54:34,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd54f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:54:34, skipping insertion in model container [2020-12-09 10:54:34,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:54:30" (2/3) ... [2020-12-09 10:54:34,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd54f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:54:34, skipping insertion in model container [2020-12-09 10:54:34,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:54:34" (3/3) ... [2020-12-09 10:54:34,187 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem04_label51.c [2020-12-09 10:54:34,200 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:54:34,203 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 10:54:34,210 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 10:54:34,234 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:54:34,234 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:54:34,235 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:54:34,235 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:54:34,235 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:54:34,235 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:54:34,235 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:54:34,235 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:54:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-12-09 10:54:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2020-12-09 10:54:34,296 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:54:34,298 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 10:54:34,298 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:54:34,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:54:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1512464516, now seen corresponding path program 1 times [2020-12-09 10:54:34,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:54:34,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760648513] [2020-12-09 10:54:34,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:54:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:35,675 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 10:54:35,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760648513] [2020-12-09 10:54:35,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:54:35,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:54:35,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886505096] [2020-12-09 10:54:35,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:54:35,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:54:35,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:54:35,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:54:35,690 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 3 states. [2020-12-09 10:54:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:54:38,519 INFO L93 Difference]: Finished difference Result 2285 states and 4541 transitions. [2020-12-09 10:54:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:54:38,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 755 [2020-12-09 10:54:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:54:38,543 INFO L225 Difference]: With dead ends: 2285 [2020-12-09 10:54:38,544 INFO L226 Difference]: Without dead ends: 1519 [2020-12-09 10:54:38,548 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 10:54:38,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-12-09 10:54:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-12-09 10:54:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-12-09 10:54:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2839 transitions. [2020-12-09 10:54:38,627 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2839 transitions. Word has length 755 [2020-12-09 10:54:38,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:54:38,628 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 2839 transitions. [2020-12-09 10:54:38,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:54:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2839 transitions. [2020-12-09 10:54:38,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2020-12-09 10:54:38,657 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:54:38,658 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 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 10:54:38,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 10:54:38,658 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:54:38,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:54:38,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1666928795, now seen corresponding path program 1 times [2020-12-09 10:54:38,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:54:38,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489922404] [2020-12-09 10:54:38,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:54:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-09 10:54:39,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489922404] [2020-12-09 10:54:39,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:54:39,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:54:39,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247476328] [2020-12-09 10:54:39,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:54:39,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:54:39,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:54:39,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:54:39,809 INFO L87 Difference]: Start difference. First operand 1519 states and 2839 transitions. Second operand 3 states. [2020-12-09 10:54:42,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:54:42,430 INFO L93 Difference]: Finished difference Result 4553 states and 8514 transitions. [2020-12-09 10:54:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:54:42,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 770 [2020-12-09 10:54:42,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:54:42,444 INFO L225 Difference]: With dead ends: 4553 [2020-12-09 10:54:42,445 INFO L226 Difference]: Without dead ends: 3035 [2020-12-09 10:54:42,446 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 10:54:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2020-12-09 10:54:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3035. [2020-12-09 10:54:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-12-09 10:54:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 5297 transitions. [2020-12-09 10:54:42,492 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 5297 transitions. Word has length 770 [2020-12-09 10:54:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:54:42,493 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 5297 transitions. [2020-12-09 10:54:42,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:54:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 5297 transitions. [2020-12-09 10:54:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-12-09 10:54:42,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:54:42,502 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 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 10:54:42,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 10:54:42,502 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:54:42,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:54:42,503 INFO L82 PathProgramCache]: Analyzing trace with hash -832835562, now seen corresponding path program 1 times [2020-12-09 10:54:42,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:54:42,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249907800] [2020-12-09 10:54:42,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:54:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:54:42,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249907800] [2020-12-09 10:54:42,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:54:42,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:54:42,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744439433] [2020-12-09 10:54:42,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:54:42,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:54:42,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:54:42,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:54:42,915 INFO L87 Difference]: Start difference. First operand 3035 states and 5297 transitions. Second operand 3 states. [2020-12-09 10:54:45,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:54:45,427 INFO L93 Difference]: Finished difference Result 9101 states and 15888 transitions. [2020-12-09 10:54:45,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:54:45,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 772 [2020-12-09 10:54:45,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:54:45,450 INFO L225 Difference]: With dead ends: 9101 [2020-12-09 10:54:45,450 INFO L226 Difference]: Without dead ends: 6067 [2020-12-09 10:54:45,453 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 10:54:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2020-12-09 10:54:45,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 6067. [2020-12-09 10:54:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-12-09 10:54:45,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 9242 transitions. [2020-12-09 10:54:45,552 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 9242 transitions. Word has length 772 [2020-12-09 10:54:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:54:45,552 INFO L481 AbstractCegarLoop]: Abstraction has 6067 states and 9242 transitions. [2020-12-09 10:54:45,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:54:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 9242 transitions. [2020-12-09 10:54:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2020-12-09 10:54:45,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:54:45,565 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:45,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 10:54:45,565 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:54:45,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:54:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1155395099, now seen corresponding path program 1 times [2020-12-09 10:54:45,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:54:45,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253439305] [2020-12-09 10:54:45,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:54:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-09 10:54:46,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253439305] [2020-12-09 10:54:46,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:54:46,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:54:46,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857695918] [2020-12-09 10:54:46,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:54:46,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:54:46,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:54:46,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:54:46,037 INFO L87 Difference]: Start difference. First operand 6067 states and 9242 transitions. Second operand 3 states. [2020-12-09 10:54:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:54:48,759 INFO L93 Difference]: Finished difference Result 18197 states and 27723 transitions. [2020-12-09 10:54:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:54:48,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 818 [2020-12-09 10:54:48,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:54:48,800 INFO L225 Difference]: With dead ends: 18197 [2020-12-09 10:54:48,801 INFO L226 Difference]: Without dead ends: 12131 [2020-12-09 10:54:48,806 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 10:54:48,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2020-12-09 10:54:48,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 11373. [2020-12-09 10:54:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11373 states. [2020-12-09 10:54:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11373 states to 11373 states and 16260 transitions. [2020-12-09 10:54:48,943 INFO L78 Accepts]: Start accepts. Automaton has 11373 states and 16260 transitions. Word has length 818 [2020-12-09 10:54:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:54:48,943 INFO L481 AbstractCegarLoop]: Abstraction has 11373 states and 16260 transitions. [2020-12-09 10:54:48,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:54:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 11373 states and 16260 transitions. [2020-12-09 10:54:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2020-12-09 10:54:48,959 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:54:48,959 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:48,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 10:54:48,959 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:54:48,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:54:48,960 INFO L82 PathProgramCache]: Analyzing trace with hash -570995337, now seen corresponding path program 1 times [2020-12-09 10:54:48,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:54:48,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281258196] [2020-12-09 10:54:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:54:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-09 10:54:49,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281258196] [2020-12-09 10:54:49,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758116408] [2020-12-09 10:54:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/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 10:54:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:49,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:54:49,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:54:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-09 10:54:50,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:54:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-09 10:54:51,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:54:51,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [4] total 6 [2020-12-09 10:54:51,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301803809] [2020-12-09 10:54:51,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:54:51,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:54:51,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:54:51,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:54:51,401 INFO L87 Difference]: Start difference. First operand 11373 states and 16260 transitions. Second operand 4 states. [2020-12-09 10:54:55,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:54:55,971 INFO L93 Difference]: Finished difference Result 43211 states and 61254 transitions. [2020-12-09 10:54:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:54:55,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 867 [2020-12-09 10:54:55,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:54:56,016 INFO L225 Difference]: With dead ends: 43211 [2020-12-09 10:54:56,016 INFO L226 Difference]: Without dead ends: 31839 [2020-12-09 10:54:56,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1736 GetRequests, 1731 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:54:56,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31839 states. [2020-12-09 10:54:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31839 to 31839. [2020-12-09 10:54:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31839 states. [2020-12-09 10:54:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31839 states to 31839 states and 40445 transitions. [2020-12-09 10:54:56,331 INFO L78 Accepts]: Start accepts. Automaton has 31839 states and 40445 transitions. Word has length 867 [2020-12-09 10:54:56,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:54:56,332 INFO L481 AbstractCegarLoop]: Abstraction has 31839 states and 40445 transitions. [2020-12-09 10:54:56,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:54:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 31839 states and 40445 transitions. [2020-12-09 10:54:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2020-12-09 10:54:56,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:54:56,364 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:56,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:54:56,566 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:54:56,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:54:56,568 INFO L82 PathProgramCache]: Analyzing trace with hash 476702081, now seen corresponding path program 1 times [2020-12-09 10:54:56,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:54:56,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363809525] [2020-12-09 10:54:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:54:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:54:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-09 10:54:57,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363809525] [2020-12-09 10:54:57,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:54:57,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:54:57,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091972540] [2020-12-09 10:54:57,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:54:57,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:54:57,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:54:57,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:54:57,647 INFO L87 Difference]: Start difference. First operand 31839 states and 40445 transitions. Second operand 3 states. [2020-12-09 10:55:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:00,393 INFO L93 Difference]: Finished difference Result 78079 states and 98525 transitions. [2020-12-09 10:55:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:55:00,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1051 [2020-12-09 10:55:00,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:00,443 INFO L225 Difference]: With dead ends: 78079 [2020-12-09 10:55:00,443 INFO L226 Difference]: Without dead ends: 46241 [2020-12-09 10:55:00,468 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 10:55:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46241 states. [2020-12-09 10:55:00,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46241 to 46241. [2020-12-09 10:55:00,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46241 states. [2020-12-09 10:55:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46241 states to 46241 states and 57271 transitions. [2020-12-09 10:55:00,887 INFO L78 Accepts]: Start accepts. Automaton has 46241 states and 57271 transitions. Word has length 1051 [2020-12-09 10:55:00,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:00,887 INFO L481 AbstractCegarLoop]: Abstraction has 46241 states and 57271 transitions. [2020-12-09 10:55:00,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:55:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 46241 states and 57271 transitions. [2020-12-09 10:55:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2020-12-09 10:55:00,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:00,928 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 10:55:00,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 10:55:00,928 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:00,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:00,929 INFO L82 PathProgramCache]: Analyzing trace with hash -333816946, now seen corresponding path program 1 times [2020-12-09 10:55:00,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:00,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418692431] [2020-12-09 10:55:00,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:02,326 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 10:55:02,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418692431] [2020-12-09 10:55:02,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:02,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:55:02,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923045490] [2020-12-09 10:55:02,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:55:02,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:02,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:55:02,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:55:02,328 INFO L87 Difference]: Start difference. First operand 46241 states and 57271 transitions. Second operand 3 states. [2020-12-09 10:55:05,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:05,163 INFO L93 Difference]: Finished difference Result 112189 states and 137989 transitions. [2020-12-09 10:55:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:55:05,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1073 [2020-12-09 10:55:05,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:05,225 INFO L225 Difference]: With dead ends: 112189 [2020-12-09 10:55:05,225 INFO L226 Difference]: Without dead ends: 65949 [2020-12-09 10:55:05,253 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 10:55:05,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65949 states. [2020-12-09 10:55:05,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65949 to 58369. [2020-12-09 10:55:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58369 states. [2020-12-09 10:55:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58369 states to 58369 states and 70598 transitions. [2020-12-09 10:55:05,826 INFO L78 Accepts]: Start accepts. Automaton has 58369 states and 70598 transitions. Word has length 1073 [2020-12-09 10:55:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:05,827 INFO L481 AbstractCegarLoop]: Abstraction has 58369 states and 70598 transitions. [2020-12-09 10:55:05,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:55:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 58369 states and 70598 transitions. [2020-12-09 10:55:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1208 [2020-12-09 10:55:05,865 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:05,866 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:55:05,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 10:55:05,867 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:05,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:05,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1471723725, now seen corresponding path program 1 times [2020-12-09 10:55:05,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:05,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266575572] [2020-12-09 10:55:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2020-12-09 10:55:06,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266575572] [2020-12-09 10:55:06,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:06,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:55:06,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169719471] [2020-12-09 10:55:06,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:55:06,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:06,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:55:06,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:55:06,779 INFO L87 Difference]: Start difference. First operand 58369 states and 70598 transitions. Second operand 3 states. [2020-12-09 10:55:09,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:09,927 INFO L93 Difference]: Finished difference Result 141751 states and 170925 transitions. [2020-12-09 10:55:09,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:55:09,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1207 [2020-12-09 10:55:09,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:09,995 INFO L225 Difference]: With dead ends: 141751 [2020-12-09 10:55:09,995 INFO L226 Difference]: Without dead ends: 83383 [2020-12-09 10:55:10,013 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 10:55:10,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83383 states. [2020-12-09 10:55:10,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83383 to 81867. [2020-12-09 10:55:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81867 states. [2020-12-09 10:55:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81867 states to 81867 states and 97174 transitions. [2020-12-09 10:55:10,723 INFO L78 Accepts]: Start accepts. Automaton has 81867 states and 97174 transitions. Word has length 1207 [2020-12-09 10:55:10,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:10,724 INFO L481 AbstractCegarLoop]: Abstraction has 81867 states and 97174 transitions. [2020-12-09 10:55:10,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:55:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 81867 states and 97174 transitions. [2020-12-09 10:55:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1228 [2020-12-09 10:55:10,866 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:10,867 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-12-09 10:55:10,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 10:55:10,867 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:10,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:10,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1942156411, now seen corresponding path program 1 times [2020-12-09 10:55:10,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:10,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918194268] [2020-12-09 10:55:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 10:55:12,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918194268] [2020-12-09 10:55:12,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:12,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:55:12,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8353332] [2020-12-09 10:55:12,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:55:12,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:12,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:55:12,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:55:12,251 INFO L87 Difference]: Start difference. First operand 81867 states and 97174 transitions. Second operand 5 states. [2020-12-09 10:55:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:16,401 INFO L93 Difference]: Finished difference Result 181449 states and 214931 transitions. [2020-12-09 10:55:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 10:55:16,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1227 [2020-12-09 10:55:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:16,493 INFO L225 Difference]: With dead ends: 181449 [2020-12-09 10:55:16,493 INFO L226 Difference]: Without dead ends: 99583 [2020-12-09 10:55:16,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 10:55:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99583 states. [2020-12-09 10:55:17,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99583 to 82625. [2020-12-09 10:55:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82625 states. [2020-12-09 10:55:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82625 states to 82625 states and 97938 transitions. [2020-12-09 10:55:17,443 INFO L78 Accepts]: Start accepts. Automaton has 82625 states and 97938 transitions. Word has length 1227 [2020-12-09 10:55:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:17,443 INFO L481 AbstractCegarLoop]: Abstraction has 82625 states and 97938 transitions. [2020-12-09 10:55:17,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:55:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 82625 states and 97938 transitions. [2020-12-09 10:55:17,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1243 [2020-12-09 10:55:17,492 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:17,493 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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 10:55:17,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 10:55:17,493 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:17,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:17,494 INFO L82 PathProgramCache]: Analyzing trace with hash -788412508, now seen corresponding path program 1 times [2020-12-09 10:55:17,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:17,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686793608] [2020-12-09 10:55:17,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 10:55:20,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686793608] [2020-12-09 10:55:20,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:20,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:55:20,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346759515] [2020-12-09 10:55:20,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:55:20,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:20,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:55:20,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:55:20,273 INFO L87 Difference]: Start difference. First operand 82625 states and 97938 transitions. Second operand 6 states. [2020-12-09 10:55:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:26,714 INFO L93 Difference]: Finished difference Result 184706 states and 218316 transitions. [2020-12-09 10:55:26,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 10:55:26,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1242 [2020-12-09 10:55:26,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:26,805 INFO L225 Difference]: With dead ends: 184706 [2020-12-09 10:55:26,805 INFO L226 Difference]: Without dead ends: 102840 [2020-12-09 10:55:26,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-09 10:55:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102840 states. [2020-12-09 10:55:27,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102840 to 85657. [2020-12-09 10:55:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85657 states. [2020-12-09 10:55:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85657 states to 85657 states and 101042 transitions. [2020-12-09 10:55:27,709 INFO L78 Accepts]: Start accepts. Automaton has 85657 states and 101042 transitions. Word has length 1242 [2020-12-09 10:55:27,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:27,709 INFO L481 AbstractCegarLoop]: Abstraction has 85657 states and 101042 transitions. [2020-12-09 10:55:27,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:55:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 85657 states and 101042 transitions. [2020-12-09 10:55:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2020-12-09 10:55:27,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:27,760 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 10:55:27,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 10:55:27,760 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:27,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1461224338, now seen corresponding path program 1 times [2020-12-09 10:55:27,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:27,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349293322] [2020-12-09 10:55:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:28,864 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 10:55:28,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349293322] [2020-12-09 10:55:28,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:28,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:55:28,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185238584] [2020-12-09 10:55:28,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:55:28,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:28,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:55:28,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:55:28,866 INFO L87 Difference]: Start difference. First operand 85657 states and 101042 transitions. Second operand 3 states. [2020-12-09 10:55:32,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:32,184 INFO L93 Difference]: Finished difference Result 170555 states and 201319 transitions. [2020-12-09 10:55:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:55:32,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1249 [2020-12-09 10:55:32,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:32,258 INFO L225 Difference]: With dead ends: 170555 [2020-12-09 10:55:32,258 INFO L226 Difference]: Without dead ends: 85657 [2020-12-09 10:55:32,291 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 10:55:32,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85657 states. [2020-12-09 10:55:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85657 to 80351. [2020-12-09 10:55:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80351 states. [2020-12-09 10:55:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80351 states to 80351 states and 91398 transitions. [2020-12-09 10:55:33,050 INFO L78 Accepts]: Start accepts. Automaton has 80351 states and 91398 transitions. Word has length 1249 [2020-12-09 10:55:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:33,050 INFO L481 AbstractCegarLoop]: Abstraction has 80351 states and 91398 transitions. [2020-12-09 10:55:33,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:55:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 80351 states and 91398 transitions. [2020-12-09 10:55:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2020-12-09 10:55:33,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:33,104 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 10:55:33,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 10:55:33,104 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:33,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:33,105 INFO L82 PathProgramCache]: Analyzing trace with hash -320625191, now seen corresponding path program 1 times [2020-12-09 10:55:33,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:33,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810268341] [2020-12-09 10:55:33,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:35,674 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 10:55:35,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810268341] [2020-12-09 10:55:35,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:35,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:55:35,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851045332] [2020-12-09 10:55:35,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:55:35,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:35,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:55:35,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:55:35,676 INFO L87 Difference]: Start difference. First operand 80351 states and 91398 transitions. Second operand 4 states. [2020-12-09 10:55:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:40,341 INFO L93 Difference]: Finished difference Result 162975 states and 185279 transitions. [2020-12-09 10:55:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:55:40,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1415 [2020-12-09 10:55:40,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:40,410 INFO L225 Difference]: With dead ends: 162975 [2020-12-09 10:55:40,411 INFO L226 Difference]: Without dead ends: 83383 [2020-12-09 10:55:40,445 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 10:55:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83383 states. [2020-12-09 10:55:41,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83383 to 83383. [2020-12-09 10:55:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83383 states. [2020-12-09 10:55:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83383 states to 83383 states and 94544 transitions. [2020-12-09 10:55:41,206 INFO L78 Accepts]: Start accepts. Automaton has 83383 states and 94544 transitions. Word has length 1415 [2020-12-09 10:55:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:41,207 INFO L481 AbstractCegarLoop]: Abstraction has 83383 states and 94544 transitions. [2020-12-09 10:55:41,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:55:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 83383 states and 94544 transitions. [2020-12-09 10:55:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2020-12-09 10:55:41,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:41,264 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:55:41,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 10:55:41,264 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1847237283, now seen corresponding path program 1 times [2020-12-09 10:55:41,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:41,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672651097] [2020-12-09 10:55:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 944 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-09 10:55:43,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672651097] [2020-12-09 10:55:43,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:43,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:55:43,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002337344] [2020-12-09 10:55:43,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:55:43,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:43,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:55:43,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:55:43,874 INFO L87 Difference]: Start difference. First operand 83383 states and 94544 transitions. Second operand 4 states. [2020-12-09 10:55:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:48,057 INFO L93 Difference]: Finished difference Result 166007 states and 188323 transitions. [2020-12-09 10:55:48,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:55:48,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1529 [2020-12-09 10:55:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:48,124 INFO L225 Difference]: With dead ends: 166007 [2020-12-09 10:55:48,125 INFO L226 Difference]: Without dead ends: 83383 [2020-12-09 10:55:48,157 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 10:55:48,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83383 states. [2020-12-09 10:55:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83383 to 83383. [2020-12-09 10:55:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83383 states. [2020-12-09 10:55:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83383 states to 83383 states and 94430 transitions. [2020-12-09 10:55:48,920 INFO L78 Accepts]: Start accepts. Automaton has 83383 states and 94430 transitions. Word has length 1529 [2020-12-09 10:55:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:48,920 INFO L481 AbstractCegarLoop]: Abstraction has 83383 states and 94430 transitions. [2020-12-09 10:55:48,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:55:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 83383 states and 94430 transitions. [2020-12-09 10:55:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1560 [2020-12-09 10:55:48,978 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:48,979 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:55:48,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 10:55:48,979 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:48,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:48,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1879746577, now seen corresponding path program 1 times [2020-12-09 10:55:48,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:48,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768546755] [2020-12-09 10:55:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 1339 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2020-12-09 10:55:50,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768546755] [2020-12-09 10:55:50,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:50,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:55:50,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247011825] [2020-12-09 10:55:50,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:55:50,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:50,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:55:50,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:55:50,597 INFO L87 Difference]: Start difference. First operand 83383 states and 94430 transitions. Second operand 3 states. [2020-12-09 10:55:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:55:53,930 INFO L93 Difference]: Finished difference Result 177377 states and 201109 transitions. [2020-12-09 10:55:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:55:53,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1559 [2020-12-09 10:55:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:55:54,001 INFO L225 Difference]: With dead ends: 177377 [2020-12-09 10:55:54,001 INFO L226 Difference]: Without dead ends: 94753 [2020-12-09 10:55:54,022 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 10:55:54,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94753 states. [2020-12-09 10:55:54,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94753 to 93995. [2020-12-09 10:55:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93995 states. [2020-12-09 10:55:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93995 states to 93995 states and 105396 transitions. [2020-12-09 10:55:54,856 INFO L78 Accepts]: Start accepts. Automaton has 93995 states and 105396 transitions. Word has length 1559 [2020-12-09 10:55:54,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:55:54,857 INFO L481 AbstractCegarLoop]: Abstraction has 93995 states and 105396 transitions. [2020-12-09 10:55:54,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:55:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 93995 states and 105396 transitions. [2020-12-09 10:55:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2020-12-09 10:55:54,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:55:54,919 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:55:54,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 10:55:54,919 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:55:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:55:54,920 INFO L82 PathProgramCache]: Analyzing trace with hash -442311523, now seen corresponding path program 1 times [2020-12-09 10:55:54,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:55:54,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631283336] [2020-12-09 10:55:54,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:55:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:55:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1529 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2020-12-09 10:55:56,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631283336] [2020-12-09 10:55:56,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:55:56,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:55:56,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040102292] [2020-12-09 10:55:56,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:55:56,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:55:56,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:55:56,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:55:56,838 INFO L87 Difference]: Start difference. First operand 93995 states and 105396 transitions. Second operand 4 states. [2020-12-09 10:56:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:56:01,283 INFO L93 Difference]: Finished difference Result 187231 states and 210027 transitions. [2020-12-09 10:56:01,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:56:01,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1561 [2020-12-09 10:56:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:56:01,357 INFO L225 Difference]: With dead ends: 187231 [2020-12-09 10:56:01,357 INFO L226 Difference]: Without dead ends: 93995 [2020-12-09 10:56:01,396 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 10:56:01,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93995 states. [2020-12-09 10:56:02,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93995 to 93995. [2020-12-09 10:56:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93995 states. [2020-12-09 10:56:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93995 states to 93995 states and 105192 transitions. [2020-12-09 10:56:02,285 INFO L78 Accepts]: Start accepts. Automaton has 93995 states and 105192 transitions. Word has length 1561 [2020-12-09 10:56:02,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:56:02,285 INFO L481 AbstractCegarLoop]: Abstraction has 93995 states and 105192 transitions. [2020-12-09 10:56:02,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:56:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 93995 states and 105192 transitions. [2020-12-09 10:56:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1574 [2020-12-09 10:56:02,343 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:56:02,344 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:56:02,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-09 10:56:02,344 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:56:02,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:56:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash -471314426, now seen corresponding path program 1 times [2020-12-09 10:56:02,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:56:02,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848412528] [2020-12-09 10:56:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:56:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:56:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 657 proven. 0 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2020-12-09 10:56:03,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848412528] [2020-12-09 10:56:03,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:56:03,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:56:03,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52164495] [2020-12-09 10:56:03,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:56:03,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:56:03,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:56:03,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:56:03,827 INFO L87 Difference]: Start difference. First operand 93995 states and 105192 transitions. Second operand 3 states. [2020-12-09 10:56:08,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:56:08,045 INFO L93 Difference]: Finished difference Result 211487 states and 236419 transitions. [2020-12-09 10:56:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:56:08,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1573 [2020-12-09 10:56:08,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:56:08,160 INFO L225 Difference]: With dead ends: 211487 [2020-12-09 10:56:08,160 INFO L226 Difference]: Without dead ends: 117493 [2020-12-09 10:56:08,208 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 10:56:08,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117493 states. [2020-12-09 10:56:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117493 to 113703. [2020-12-09 10:56:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113703 states. [2020-12-09 10:56:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113703 states to 113703 states and 125582 transitions. [2020-12-09 10:56:09,384 INFO L78 Accepts]: Start accepts. Automaton has 113703 states and 125582 transitions. Word has length 1573 [2020-12-09 10:56:09,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:56:09,385 INFO L481 AbstractCegarLoop]: Abstraction has 113703 states and 125582 transitions. [2020-12-09 10:56:09,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:56:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 113703 states and 125582 transitions. [2020-12-09 10:56:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1694 [2020-12-09 10:56:09,455 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:56:09,456 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:09,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 10:56:09,457 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:56:09,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:56:09,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2114530735, now seen corresponding path program 1 times [2020-12-09 10:56:09,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:56:09,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367738524] [2020-12-09 10:56:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:56:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:56:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1121 proven. 223 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 10:56:13,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367738524] [2020-12-09 10:56:13,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249991882] [2020-12-09 10:56:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/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 10:56:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:56:13,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:56:13,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:56:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-12-09 10:56:16,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:56:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-12-09 10:56:18,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:56:18,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2020-12-09 10:56:18,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393818242] [2020-12-09 10:56:18,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:56:18,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:56:18,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:56:18,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 10:56:18,828 INFO L87 Difference]: Start difference. First operand 113703 states and 125582 transitions. Second operand 3 states. [2020-12-09 10:56:22,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:56:22,565 INFO L93 Difference]: Finished difference Result 226647 states and 250399 transitions. [2020-12-09 10:56:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:56:22,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1693 [2020-12-09 10:56:22,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:56:22,677 INFO L225 Difference]: With dead ends: 226647 [2020-12-09 10:56:22,677 INFO L226 Difference]: Without dead ends: 113703 [2020-12-09 10:56:22,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3392 GetRequests, 3383 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 10:56:22,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113703 states. [2020-12-09 10:56:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113703 to 109913. [2020-12-09 10:56:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109913 states. [2020-12-09 10:56:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109913 states to 109913 states and 118167 transitions. [2020-12-09 10:56:23,923 INFO L78 Accepts]: Start accepts. Automaton has 109913 states and 118167 transitions. Word has length 1693 [2020-12-09 10:56:23,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:56:23,924 INFO L481 AbstractCegarLoop]: Abstraction has 109913 states and 118167 transitions. [2020-12-09 10:56:23,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:56:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 109913 states and 118167 transitions. [2020-12-09 10:56:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4908 [2020-12-09 10:56:24,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:56:24,135 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, 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, 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 10:56:24,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-09 10:56:24,336 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:56:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:56:24,341 INFO L82 PathProgramCache]: Analyzing trace with hash 906420595, now seen corresponding path program 1 times [2020-12-09 10:56:24,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:56:24,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104794038] [2020-12-09 10:56:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:56:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:56:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 19836 backedges. 4852 proven. 0 refuted. 0 times theorem prover too weak. 14984 trivial. 0 not checked. [2020-12-09 10:56:37,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104794038] [2020-12-09 10:56:37,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:56:37,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:56:37,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006268085] [2020-12-09 10:56:37,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:56:37,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:56:37,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:56:37,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:56:37,909 INFO L87 Difference]: Start difference. First operand 109913 states and 118167 transitions. Second operand 3 states. [2020-12-09 10:56:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:56:41,687 INFO L93 Difference]: Finished difference Result 219825 states and 236351 transitions. [2020-12-09 10:56:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:56:41,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4907 [2020-12-09 10:56:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:56:41,788 INFO L225 Difference]: With dead ends: 219825 [2020-12-09 10:56:41,788 INFO L226 Difference]: Without dead ends: 110671 [2020-12-09 10:56:41,838 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 10:56:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110671 states. [2020-12-09 10:56:42,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110671 to 107639. [2020-12-09 10:56:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107639 states. [2020-12-09 10:56:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107639 states to 107639 states and 113962 transitions. [2020-12-09 10:56:42,907 INFO L78 Accepts]: Start accepts. Automaton has 107639 states and 113962 transitions. Word has length 4907 [2020-12-09 10:56:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:56:42,908 INFO L481 AbstractCegarLoop]: Abstraction has 107639 states and 113962 transitions. [2020-12-09 10:56:42,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:56:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 107639 states and 113962 transitions. [2020-12-09 10:56:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4910 [2020-12-09 10:56:43,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:56:43,262 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 10:56:43,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 10:56:43,263 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:56:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:56:43,264 INFO L82 PathProgramCache]: Analyzing trace with hash 234732799, now seen corresponding path program 1 times [2020-12-09 10:56:43,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:56:43,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845906730] [2020-12-09 10:56:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:56:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:56:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18933 backedges. 7464 proven. 0 refuted. 0 times theorem prover too weak. 11469 trivial. 0 not checked. [2020-12-09 10:56:56,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845906730] [2020-12-09 10:56:56,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:56:56,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:56:56,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762952775] [2020-12-09 10:56:56,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:56:56,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:56:56,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:56:56,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:56:56,801 INFO L87 Difference]: Start difference. First operand 107639 states and 113962 transitions. Second operand 3 states. [2020-12-09 10:57:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:57:00,773 INFO L93 Difference]: Finished difference Result 222099 states and 234991 transitions. [2020-12-09 10:57:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:57:00,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4909 [2020-12-09 10:57:00,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:57:00,860 INFO L225 Difference]: With dead ends: 222099 [2020-12-09 10:57:00,860 INFO L226 Difference]: Without dead ends: 103091 [2020-12-09 10:57:00,907 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 10:57:00,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103091 states. [2020-12-09 10:57:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103091 to 100059. [2020-12-09 10:57:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100059 states. [2020-12-09 10:57:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100059 states to 100059 states and 101753 transitions. [2020-12-09 10:57:01,872 INFO L78 Accepts]: Start accepts. Automaton has 100059 states and 101753 transitions. Word has length 4909 [2020-12-09 10:57:01,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:57:01,873 INFO L481 AbstractCegarLoop]: Abstraction has 100059 states and 101753 transitions. [2020-12-09 10:57:01,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:57:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 100059 states and 101753 transitions. [2020-12-09 10:57:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5469 [2020-12-09 10:57:02,110 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:57:02,112 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 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, 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, 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, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 10:57:02,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 10:57:02,113 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:57:02,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:57:02,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1755221000, now seen corresponding path program 1 times [2020-12-09 10:57:02,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:57:02,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312464507] [2020-12-09 10:57:02,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:57:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:57:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25900 backedges. 6602 proven. 89 refuted. 0 times theorem prover too weak. 19209 trivial. 0 not checked. [2020-12-09 10:57:23,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312464507] [2020-12-09 10:57:23,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668441795] [2020-12-09 10:57:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/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 10:57:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:57:24,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 6258 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:57:24,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:57:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 25900 backedges. 11596 proven. 0 refuted. 0 times theorem prover too weak. 14304 trivial. 0 not checked. [2020-12-09 10:57:40,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:57:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 25900 backedges. 11596 proven. 0 refuted. 0 times theorem prover too weak. 14304 trivial. 0 not checked. [2020-12-09 10:57:55,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:57:55,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 8 [2020-12-09 10:57:55,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394798350] [2020-12-09 10:57:55,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:57:55,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:57:55,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:57:55,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:57:55,657 INFO L87 Difference]: Start difference. First operand 100059 states and 101753 transitions. Second operand 4 states. [2020-12-09 10:58:00,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:58:00,054 INFO L93 Difference]: Finished difference Result 206179 states and 209679 transitions. [2020-12-09 10:58:00,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:58:00,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5468 [2020-12-09 10:58:00,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:58:00,056 INFO L225 Difference]: With dead ends: 206179 [2020-12-09 10:58:00,056 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 10:58:00,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10939 GetRequests, 10933 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:58:00,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 10:58:00,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 10:58:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 10:58:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 10:58:00,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5468 [2020-12-09 10:58:00,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:58:00,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 10:58:00,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:58:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 10:58:00,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 10:58:00,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:58:00,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 10:58:01,660 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 805 DAG size of output: 295 [2020-12-09 10:58:02,875 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 802 DAG size of output: 293 [2020-12-09 10:58:03,326 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 251 [2020-12-09 10:58:03,533 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 200 [2020-12-09 10:58:03,739 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 200 [2020-12-09 10:58:06,276 WARN L197 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 249 DAG size of output: 84 [2020-12-09 10:58:08,655 WARN L197 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 247 DAG size of output: 84 [2020-12-09 10:58:10,797 WARN L197 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 221 DAG size of output: 83 [2020-12-09 10:58:12,765 WARN L197 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 186 DAG size of output: 81 [2020-12-09 10:58:14,625 WARN L197 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 186 DAG size of output: 81 [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1819(lines 1819 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L762(lines 762 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1555(lines 1555 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L234(lines 234 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L2084(lines 2084 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L3141(lines 3141 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L4727-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L2613(lines 2613 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L4463(lines 4463 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1292(lines 1292 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L3671(lines 3671 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L4728(line 4728) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L500(lines 500 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L3936(lines 3936 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1823(lines 1823 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L2352(lines 2352 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L2881(lines 2881 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1560(lines 1560 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L4203(lines 4203 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L1032(lines 1032 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,628 INFO L262 CegarLoopResult]: For program point L3411(lines 3411 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L240(lines 240 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L3147(lines 3147 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2883(lines 2883 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L769(lines 769 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L3676(lines 3676 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L1298(lines 1298 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2091(lines 2091 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L1827(lines 1827 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L506(lines 506 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L4470(lines 4470 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L3942(lines 3942 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2621(lines 2621 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2358(lines 2358 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L1566(lines 1566 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L1038(lines 1038 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L774(lines 774 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L3681(lines 3681 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L1303(lines 1303 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L246(lines 246 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L4210(lines 4210 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2625(lines 2625 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L511(lines 511 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L3418(lines 3418 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2361(lines 2361 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L3154(lines 3154 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,629 INFO L262 CegarLoopResult]: For program point L2097(lines 2097 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L2890(lines 2890 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L4477(lines 4477 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L3949(lines 3949 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1835(lines 1835 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L514(lines 514 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1572(lines 1572 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1308(lines 1308 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L3423(lines 3423 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L252(lines 252 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L781(lines 781 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L3688(lines 3688 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L4217(lines 4217 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L2103(lines 2103 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L2632(lines 2632 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L2368(lines 2368 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L3161(lines 3161 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L2897(lines 2897 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L3955(lines 3955 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L4484(lines 4484 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1578(lines 1578 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L521(lines 521 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,630 INFO L262 CegarLoopResult]: For program point L1843(lines 1843 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L786(lines 786 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L3694(lines 3694 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L3430(lines 3430 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L259(lines 259 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L788(lines 788 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L2110(lines 2110 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L4224(lines 4224 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L2639(lines 2639 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L3432(lines 3432 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L1318(lines 1318 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L2375(lines 2375 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L3168(lines 3168 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L2904(lines 2904 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L4490(lines 4490 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L1055(lines 1055 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L1584(lines 1584 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L3963(lines 3963 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L1849(lines 1849 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4728) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L528(lines 528 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L2114(lines 2114 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L793(lines 793 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L3700(lines 3700 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L265(lines 265 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L2908(lines 2908 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,631 INFO L262 CegarLoopResult]: For program point L4494(lines 4494 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L4230(lines 4230 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L3173(lines 3173 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L2645(lines 2645 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L2382(lines 2382 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L3439(lines 3439 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L3968(lines 3968 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L1854(lines 1854 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L1326(lines 1326 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L1062(lines 1062 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L798(lines 798 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L270(lines 270 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L2120(lines 2120 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L3706(lines 3706 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L535(lines 535 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L3178(lines 3178 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L4236(lines 4236 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L2915(lines 2915 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L1594(lines 1594 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L2651(lines 2651 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L4501(lines 4501 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L802(lines 802 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L539(lines 539 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L3446(lines 3446 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,632 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L2389(lines 2389 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L275(lines 275 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L2125(lines 2125 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L3975(lines 3975 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L1861(lines 1861 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L3711(lines 3711 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L1069(lines 1069 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L4506(lines 4506 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L278(lines 278 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L4242(lines 4242 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L3186(lines 3186 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L2394(lines 2394 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L2923(lines 2923 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L809(lines 809 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L1602(lines 1602 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L2659(lines 2659 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L1338(lines 1338 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L2131(lines 2131 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L3717(lines 3717 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L546(lines 546 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L3453(lines 3453 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L3982(lines 3982 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L1869(lines 1869 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,633 INFO L262 CegarLoopResult]: For program point L4512(lines 4512 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L284(lines 284 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L3191(lines 3191 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L4248(lines 4248 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L549(lines 549 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L2664(lines 2664 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L2401(lines 2401 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L2137(lines 2137 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L2930(lines 2930 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L3723(lines 3723 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L1609(lines 1609 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L3459(lines 3459 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L3988(lines 3988 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L817(lines 817 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L4517(lines 4517 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L1082(lines 1082 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L290(lines 290 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L1876(lines 1876 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L4255(lines 4255 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L3198(lines 3198 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L556(lines 556 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L2142(lines 2142 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L2671(lines 2671 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,634 INFO L262 CegarLoopResult]: For program point L1615(lines 1615 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L1087(lines 1087 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2937(lines 2937 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3730(lines 3730 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L4523(lines 4523 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3466(lines 3466 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2409(lines 2409 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2145(lines 2145 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3995(lines 3995 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L1881(lines 1881 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L824(lines 824 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L297(lines 297 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3204(lines 3204 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L4261(lines 4261 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3999(lines 3999 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2678(lines 2678 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L564(lines 564 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2414(lines 2414 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3736(lines 3736 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L3472(lines 3472 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L1358(lines 1358 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L1094(lines 1094 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2151(lines 2151 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,635 INFO L262 CegarLoopResult]: For program point L2944(lines 2944 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L4530(lines 4530 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L3209(lines 3209 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L1888(lines 1888 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L832(lines 832 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L304(lines 304 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L4268(lines 4268 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L2419(lines 2419 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L3741(lines 3741 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L570(lines 570 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L2685(lines 2685 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L4535(lines 4535 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L3214(lines 3214 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L1100(lines 1100 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L2950(lines 2950 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L4007(lines 4007 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L1629(lines 1629 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L2158(lines 2158 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L1894(lines 1894 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L3480(lines 3480 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L2423(lines 2423 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L574(lines 574 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L839(lines 839 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,636 INFO L262 CegarLoopResult]: For program point L4275(lines 4275 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L4540(lines 4540 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L312(lines 312 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L3219(lines 3219 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2955(lines 2955 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L3748(lines 3748 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2691(lines 2691 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2427(lines 2427 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L1899(lines 1899 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2164(lines 2164 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L50(lines 50 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L4014(lines 4014 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L1636(lines 1636 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L3486(lines 3486 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L845(lines 845 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L4545(lines 4545 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L317(lines 317 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2960(lines 2960 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L3753(lines 3753 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L582(lines 582 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L4282(lines 4282 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L1905(lines 1905 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2698(lines 2698 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2434(lines 2434 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,637 INFO L262 CegarLoopResult]: For program point L2170(lines 2170 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L3227(lines 3227 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L57(lines 57 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L4021(lines 4021 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L850(lines 850 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L3493(lines 3493 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L2966(lines 2966 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L1909(lines 1909 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L4552(lines 4552 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L324(lines 324 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,638 INFO L262 CegarLoopResult]: For program point L4288(lines 4288 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,639 INFO L258 CegarLoopResult]: At program point L4817(lines 4084 4818) the Hoare annotation is: (let ((.cse14 (<= ~a4~0 17)) (.cse0 (< ~a28~0 17)) (.cse2 (<= 19 ~a26~0)) (.cse8 (= ~a14~0 18)) (.cse7 (<= 17 ~a28~0)) (.cse5 (<= ~a28~0 15)) (.cse3 (<= 17 ~a4~0)) (.cse11 (= ~a26~0 18)) (.cse9 (<= ~a14~0 19)) (.cse10 (= ~a7~0 1)) (.cse12 (= 16 ~a4~0)) (.cse4 (<= ~a3~0 0)) (.cse15 (<= ~a28~0 16)) (.cse1 (= ~a14~0 20)) (.cse13 (<= ~a26~0 17)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse10 .cse3 .cse6) (and .cse11 .cse9 .cse10 .cse3 .cse4) (and .cse9 .cse12 .cse13 .cse7 .cse4) (and .cse11 .cse14 .cse9 .cse12 .cse7 .cse6) (and .cse11 .cse9 .cse12 .cse5 .cse4) (and .cse14 .cse9 .cse3 .cse4) (and .cse9 .cse12 .cse5 .cse2 .cse4) (and .cse9 .cse7 .cse3 .cse6) (and .cse1 .cse10 .cse3 .cse6) (and .cse9 .cse2 .cse3 .cse6) (and .cse10 .cse5 .cse13 .cse3 .cse6) (and .cse9 .cse5 .cse13 .cse6) (and .cse1 .cse12 .cse7 .cse2 .cse6) (and .cse0 .cse1 .cse10 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse6) (and .cse1 .cse12 .cse5 .cse4) (and .cse14 .cse1 .cse13 .cse3 .cse4) (and .cse14 .cse9 .cse7 .cse2 .cse6) (and .cse0 .cse11 .cse9 .cse3 .cse4) (and .cse11 .cse12 .cse8 .cse4) (and .cse0 .cse9 .cse10 .cse12 .cse2 .cse4) (and .cse15 .cse1 .cse10 .cse12 .cse6) (and .cse9 .cse10 .cse12 .cse5 .cse4) (and .cse11 .cse14 .cse15 .cse1 .cse6) (and .cse1 .cse10 .cse12 (<= ~a26~0 18) .cse4) (and .cse11 .cse8 .cse6) (and .cse14 .cse9 .cse12 .cse7 .cse8 .cse6) (and .cse14 .cse11 .cse15 .cse9 .cse6) (and .cse14 .cse15 .cse9 .cse13 .cse6) (and .cse5 .cse8 .cse3 .cse4) (and .cse14 .cse1 .cse10 .cse2 .cse3 .cse4) (and .cse11 .cse9 .cse12 .cse7 .cse4) (and .cse12 .cse5 .cse8 .cse4) (and .cse14 .cse15 .cse8 .cse6) (and .cse0 .cse1 .cse12 .cse13 .cse4) (and .cse0 .cse9 .cse10 .cse3 .cse4) (and .cse9 .cse5 .cse2 .cse3 .cse4) (and .cse12 .cse7 .cse8 .cse4) (and .cse11 .cse1 .cse12 .cse7 .cse4) (and .cse1 .cse10 .cse12 .cse7 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse11 .cse9 .cse10 .cse12 .cse4) (and .cse15 .cse1 .cse13 .cse6))) [2020-12-09 10:58:14,639 INFO L262 CegarLoopResult]: For program point L589(lines 589 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,639 INFO L258 CegarLoopResult]: At program point L1382(lines 49 1383) the Hoare annotation is: (let ((.cse9 (<= ~a4~0 17)) (.cse0 (< ~a28~0 17)) (.cse2 (<= 19 ~a26~0)) (.cse8 (= ~a14~0 18)) (.cse7 (<= 17 ~a28~0)) (.cse5 (<= ~a28~0 15)) (.cse3 (<= 17 ~a4~0)) (.cse11 (= ~a26~0 18)) (.cse10 (<= ~a14~0 19)) (.cse12 (= ~a7~0 1)) (.cse13 (= 16 ~a4~0)) (.cse4 (<= ~a3~0 0)) (.cse15 (<= ~a28~0 16)) (.cse1 (= ~a14~0 20)) (.cse14 (<= ~a26~0 17)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse9 .cse10 .cse8 .cse6) (and .cse11 .cse0 .cse9 .cse10 .cse6) (and .cse10 .cse12 .cse3 .cse6) (and .cse11 .cse10 .cse12 .cse3 .cse4) (and .cse10 .cse13 .cse14 .cse7 .cse4) (and .cse11 .cse9 .cse10 .cse13 .cse7 .cse6) (and .cse11 .cse10 .cse13 .cse5 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse10 .cse13 .cse5 .cse2 .cse4) (and .cse10 .cse7 .cse3 .cse6) (and .cse1 .cse12 .cse3 .cse6) (and .cse10 .cse2 .cse3 .cse6) (and .cse12 .cse5 .cse14 .cse3 .cse6) (and .cse10 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse7 .cse2 .cse6) (and .cse0 .cse1 .cse12 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse6) (and .cse9 .cse1 .cse14 .cse3 .cse4) (and .cse1 .cse13 .cse5 .cse4) (and .cse9 .cse10 .cse2 .cse7 .cse6) (and .cse0 .cse11 .cse10 .cse3 .cse4) (and .cse11 .cse13 .cse8 .cse4) (and .cse0 .cse10 .cse12 .cse13 .cse2 .cse4) (and .cse15 .cse1 .cse12 .cse13 .cse6) (and .cse10 .cse12 .cse13 .cse5 .cse4) (and .cse11 .cse9 .cse15 .cse1 .cse6) (and .cse1 .cse12 .cse13 (<= ~a26~0 18) .cse4) (and .cse11 .cse8 .cse6) (and .cse9 .cse10 .cse13 .cse7 .cse8 .cse6) (and .cse9 .cse15 .cse10 .cse14 .cse6) (and .cse5 .cse8 .cse3 .cse4) (and .cse9 .cse1 .cse12 .cse2 .cse3 .cse4) (and .cse11 .cse10 .cse13 .cse7 .cse4) (and .cse13 .cse5 .cse8 .cse4) (and .cse0 .cse1 .cse13 .cse14 .cse4) (and .cse0 .cse10 .cse12 .cse3 .cse4) (and .cse10 .cse5 .cse2 .cse3 .cse4) (and .cse13 .cse7 .cse8 .cse4) (and .cse11 .cse1 .cse13 .cse7 .cse4) (and .cse1 .cse12 .cse13 .cse7 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse11 .cse10 .cse12 .cse13 .cse4) (and .cse15 .cse1 .cse14 .cse6))) [2020-12-09 10:58:14,639 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,639 INFO L262 CegarLoopResult]: For program point L3761(lines 3761 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,639 INFO L262 CegarLoopResult]: For program point L2176(lines 2176 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,639 INFO L262 CegarLoopResult]: For program point L3233(lines 3233 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,639 INFO L262 CegarLoopResult]: For program point L62(lines 62 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L1912(lines 1912 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L855(lines 855 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2441(lines 2441 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2706(lines 2706 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L265 CegarLoopResult]: At program point L4820(lines 4820 4837) the Hoare annotation is: true [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L4028(lines 4028 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2971(lines 2971 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L3500(lines 3500 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L1386(lines 1386 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L329(lines 329 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L4294(lines 4294 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L595(lines 595 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L4559(lines 4559 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L1917(lines 1917 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L1653(lines 1653 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2446(lines 2446 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L3239(lines 3239 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L68(lines 68 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L861(lines 861 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L3768(lines 3768 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L333(lines 333 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2183(lines 2183 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2976(lines 2976 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,640 INFO L262 CegarLoopResult]: For program point L2712(lines 2712 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L258 CegarLoopResult]: At program point L4826-2(lines 4826 4836) the Hoare annotation is: (let ((.cse2 (<= 19 ~a26~0)) (.cse8 (= ~a14~0 18)) (.cse0 (< ~a28~0 17)) (.cse10 (<= ~a4~0 17)) (.cse7 (<= 17 ~a28~0)) (.cse5 (<= ~a28~0 15)) (.cse3 (<= 17 ~a4~0)) (.cse9 (= ~a26~0 18)) (.cse11 (<= ~a14~0 19)) (.cse12 (= ~a7~0 1)) (.cse13 (= 16 ~a4~0)) (.cse4 (<= ~a3~0 0)) (.cse15 (<= ~a28~0 16)) (.cse1 (= ~a14~0 20)) (.cse14 (<= ~a26~0 17)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse0 .cse10 .cse11 .cse6) (and .cse0 .cse10 .cse11 .cse8 .cse6) (and .cse11 .cse12 .cse3 .cse6) (and .cse9 .cse11 .cse12 .cse3 .cse4) (and .cse11 .cse13 .cse14 .cse7 .cse4) (and .cse9 .cse10 .cse11 .cse13 .cse7 .cse6) (and .cse9 .cse11 .cse13 .cse5 .cse4) (and .cse10 .cse11 .cse3 .cse4) (and .cse11 .cse13 .cse5 .cse2 .cse4) (and .cse11 .cse7 .cse3 .cse6) (and .cse1 .cse12 .cse3 .cse6) (and .cse11 .cse2 .cse3 .cse6) (and .cse12 .cse5 .cse14 .cse3 .cse6) (and .cse11 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse7 .cse2 .cse6) (and .cse0 .cse1 .cse12 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse6) (and .cse13 .cse8 .cse6) (and .cse10 .cse1 .cse14 .cse3 .cse4) (and .cse1 .cse13 .cse5 .cse4) (and .cse10 .cse11 .cse7 .cse2 .cse6) (and .cse0 .cse9 .cse11 .cse3 .cse4) (and .cse9 .cse13 .cse8 .cse4) (and .cse0 .cse11 .cse12 .cse13 .cse2 .cse4) (and .cse15 .cse1 .cse12 .cse13 .cse6) (and .cse11 .cse12 .cse13 .cse5 .cse4) (and .cse9 .cse10 .cse15 .cse1 .cse6) (and .cse1 .cse12 .cse13 (<= ~a26~0 18) .cse4) (and .cse9 .cse8 .cse6) (and .cse5 .cse8 .cse3 .cse4) (and .cse10 .cse1 .cse12 .cse2 .cse3 .cse4) (and .cse9 .cse11 .cse13 .cse7 .cse4) (and .cse13 .cse5 .cse8 .cse4) (and .cse0 .cse1 .cse13 .cse14 .cse4) (and .cse0 .cse11 .cse12 .cse3 .cse4) (and .cse11 .cse5 .cse2 .cse3 .cse4) (and .cse13 .cse7 .cse8 .cse4) (and .cse0 .cse10 .cse11 .cse14 .cse6) (and .cse9 .cse1 .cse13 .cse7 .cse4) (and .cse1 .cse12 .cse13 .cse7 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse9 .cse11 .cse12 .cse13 .cse4) (and .cse15 .cse1 .cse14 .cse6))) [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L3505(lines 3505 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L4034(lines 4034 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L4299(lines 4299 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L1658(lines 1658 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L4566(lines 4566 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L1131(lines 1131 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L1924(lines 1924 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L2981(lines 2981 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L4831(line 4831) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L3774(lines 3774 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L603(lines 603 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L3246(lines 3246 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L2454(lines 2454 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L1397(lines 1397 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L340(lines 340 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,641 INFO L262 CegarLoopResult]: For program point L2190(lines 2190 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L4304(lines 4304 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L76(lines 76 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L869(lines 869 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L258 CegarLoopResult]: At program point L2719(lines 1385 2720) the Hoare annotation is: (let ((.cse14 (<= ~a4~0 17)) (.cse0 (< ~a28~0 17)) (.cse2 (<= 19 ~a26~0)) (.cse8 (= ~a14~0 18)) (.cse7 (<= 17 ~a28~0)) (.cse5 (<= ~a28~0 15)) (.cse3 (<= 17 ~a4~0)) (.cse11 (= ~a26~0 18)) (.cse9 (<= ~a14~0 19)) (.cse10 (= ~a7~0 1)) (.cse12 (= 16 ~a4~0)) (.cse4 (<= ~a3~0 0)) (.cse15 (<= ~a28~0 16)) (.cse1 (= ~a14~0 20)) (.cse13 (<= ~a26~0 17)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse10 .cse3 .cse6) (and .cse11 .cse9 .cse10 .cse3 .cse4) (and .cse9 .cse12 .cse13 .cse7 .cse4) (and .cse11 .cse14 .cse9 .cse12 .cse7 .cse6) (and .cse11 .cse9 .cse12 .cse5 .cse4) (and .cse14 .cse9 .cse3 .cse4) (and .cse9 .cse12 .cse5 .cse2 .cse4) (and .cse9 .cse7 .cse3 .cse6) (and .cse1 .cse10 .cse3 .cse6) (and .cse9 .cse2 .cse3 .cse6) (and .cse10 .cse5 .cse13 .cse3 .cse6) (and .cse9 .cse5 .cse13 .cse6) (and .cse1 .cse12 .cse7 .cse2 .cse6) (and .cse0 .cse1 .cse10 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse6) (and .cse14 .cse1 .cse13 .cse3 .cse4) (and .cse1 .cse12 .cse5 .cse4) (and .cse14 .cse9 .cse7 .cse2 .cse6) (and .cse0 .cse11 .cse9 .cse3 .cse4) (and .cse11 .cse12 .cse8 .cse4) (and .cse0 .cse9 .cse10 .cse12 .cse2 .cse4) (and .cse15 .cse1 .cse10 .cse12 .cse6) (and .cse9 .cse10 .cse12 .cse5 .cse4) (and .cse11 .cse14 .cse15 .cse1 .cse6) (and .cse1 .cse10 .cse12 (<= ~a26~0 18) .cse4) (and .cse11 .cse8 .cse6) (and .cse14 .cse9 .cse12 .cse7 .cse8 .cse6) (and .cse14 .cse11 .cse15 .cse9 .cse6) (and .cse14 .cse15 .cse9 .cse13 .cse6) (and .cse5 .cse8 .cse3 .cse4) (and .cse14 .cse1 .cse10 .cse2 .cse3 .cse4) (and .cse11 .cse9 .cse12 .cse7 .cse4) (and .cse12 .cse5 .cse8 .cse4) (and .cse14 .cse15 .cse8 .cse6) (and .cse0 .cse1 .cse12 .cse13 .cse4) (and .cse0 .cse9 .cse10 .cse3 .cse4) (and .cse9 .cse5 .cse2 .cse3 .cse4) (and .cse12 .cse7 .cse8 .cse4) (and .cse11 .cse1 .cse12 .cse7 .cse4) (and .cse1 .cse10 .cse12 .cse7 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse11 .cse9 .cse10 .cse12 .cse4) (and .cse15 .cse1 .cse13 .cse6))) [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L3512(lines 3512 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L4041(lines 4041 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L1664(lines 1664 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L1929(lines 1929 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L872(lines 872 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L3779(lines 3779 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L2723(lines 2723 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L4573(lines 4573 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L2459(lines 2459 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L3252(lines 3252 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L2988(lines 2988 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L610(lines 610 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L4310(lines 4310 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,642 INFO L262 CegarLoopResult]: For program point L2196(lines 2196 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L82(lines 82 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L347(lines 347 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L3519(lines 3519 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L4048(lines 4048 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L2992(lines 2992 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L878(lines 878 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L3785(lines 3785 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1143(lines 1143 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1936(lines 1936 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L2729(lines 2729 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L2466(lines 2466 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L4580(lines 4580 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L4316(lines 4316 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L617(lines 617 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L3260(lines 3260 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L2203(lines 2203 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L90(lines 90 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1676(lines 1676 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L355(lines 355 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L4055(lines 4055 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,643 INFO L262 CegarLoopResult]: For program point L2470(lines 2470 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L3527(lines 3527 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L2999(lines 2999 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L3792(lines 3792 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L4585(lines 4585 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L1150(lines 1150 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L1943(lines 1943 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L886(lines 886 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L2736(lines 2736 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L4323(lines 4323 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L3266(lines 3266 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L95(lines 95 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L624(lines 624 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L2210(lines 2210 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L362(lines 362 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L4062(lines 4062 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L2741(lines 2741 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L3534(lines 3534 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L2477(lines 2477 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L3006(lines 3006 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L3799(lines 3799 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L1950(lines 1950 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L4593(lines 4593 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L2215(lines 2215 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L894(lines 894 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,644 INFO L262 CegarLoopResult]: For program point L630(lines 630 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L4330(lines 4330 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L3273(lines 3273 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L102(lines 102 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L3804(lines 3804 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L2483(lines 2483 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L369(lines 369 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L3276(lines 3276 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L4069(lines 4069 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L2748(lines 2748 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L3541(lines 3541 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L1163(lines 1163 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L635(lines 635 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L3014(lines 3014 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L2486(lines 2486 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L4600(lines 4600 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L2222(lines 2222 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L4336(lines 4336 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L1958(lines 1958 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L901(lines 901 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L109(lines 109 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L4602(lines 4602 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L1431(lines 1431 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L3281(lines 3281 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L4074(lines 4074 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,645 INFO L262 CegarLoopResult]: For program point L2753(lines 2753 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L3811(lines 3811 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L641(lines 641 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L3548(lines 3548 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L377(lines 377 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L3020(lines 3020 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L2492(lines 2492 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L3285(lines 3285 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L907(lines 907 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L4607(lines 4607 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L2229(lines 2229 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L115(lines 115 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L1965(lines 1965 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L4344(lines 4344 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L3816(lines 3816 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L645(lines 645 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L258 CegarLoopResult]: At program point L4081(lines 2722 4082) the Hoare annotation is: (let ((.cse14 (<= ~a4~0 17)) (.cse0 (< ~a28~0 17)) (.cse2 (<= 19 ~a26~0)) (.cse8 (= ~a14~0 18)) (.cse7 (<= 17 ~a28~0)) (.cse5 (<= ~a28~0 15)) (.cse3 (<= 17 ~a4~0)) (.cse11 (= ~a26~0 18)) (.cse9 (<= ~a14~0 19)) (.cse10 (= ~a7~0 1)) (.cse12 (= 16 ~a4~0)) (.cse4 (<= ~a3~0 0)) (.cse15 (<= ~a28~0 16)) (.cse1 (= ~a14~0 20)) (.cse13 (<= ~a26~0 17)) (.cse6 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse10 .cse3 .cse6) (and .cse11 .cse9 .cse10 .cse3 .cse4) (and .cse9 .cse12 .cse13 .cse7 .cse4) (and .cse11 .cse14 .cse9 .cse12 .cse7 .cse6) (and .cse11 .cse9 .cse12 .cse5 .cse4) (and .cse14 .cse9 .cse3 .cse4) (and .cse9 .cse12 .cse5 .cse2 .cse4) (and .cse9 .cse7 .cse3 .cse6) (and .cse1 .cse10 .cse3 .cse6) (and .cse9 .cse2 .cse3 .cse6) (and .cse10 .cse5 .cse13 .cse3 .cse6) (and .cse9 .cse5 .cse13 .cse6) (and .cse1 .cse12 .cse7 .cse2 .cse6) (and .cse0 .cse1 .cse10 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse6) (and .cse1 .cse12 .cse5 .cse4) (and .cse14 .cse1 .cse13 .cse3 .cse4) (and .cse14 .cse9 .cse7 .cse2 .cse6) (and .cse0 .cse11 .cse9 .cse3 .cse4) (and .cse11 .cse12 .cse8 .cse4) (and .cse0 .cse9 .cse10 .cse12 .cse2 .cse4) (and .cse15 .cse1 .cse10 .cse12 .cse6) (and .cse9 .cse10 .cse12 .cse5 .cse4) (and .cse11 .cse14 .cse15 .cse1 .cse6) (and .cse1 .cse10 .cse12 (<= ~a26~0 18) .cse4) (and .cse11 .cse8 .cse6) (and .cse14 .cse9 .cse12 .cse7 .cse8 .cse6) (and .cse14 .cse11 .cse15 .cse9 .cse6) (and .cse14 .cse15 .cse9 .cse13 .cse6) (and .cse5 .cse8 .cse3 .cse4) (and .cse14 .cse1 .cse10 .cse2 .cse3 .cse4) (and .cse11 .cse9 .cse12 .cse7 .cse4) (and .cse12 .cse5 .cse8 .cse4) (and .cse14 .cse15 .cse8 .cse6) (and .cse0 .cse1 .cse12 .cse13 .cse4) (and .cse0 .cse9 .cse10 .cse3 .cse4) (and .cse9 .cse5 .cse2 .cse3 .cse4) (and .cse12 .cse7 .cse8 .cse4) (and .cse11 .cse1 .cse12 .cse7 .cse4) (and .cse1 .cse10 .cse12 .cse7 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse11 .cse9 .cse10 .cse12 .cse4) (and .cse15 .cse1 .cse13 .cse6))) [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L2760(lines 2760 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,646 INFO L262 CegarLoopResult]: For program point L382(lines 382 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3554(lines 3554 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L4612(lines 4612 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3291(lines 3291 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3027(lines 3027 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L649(lines 649 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L2235(lines 2235 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L4085(lines 4085 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L1971(lines 1971 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L914(lines 914 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L122(lines 122 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3822(lines 3822 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L387(lines 387 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L4351(lines 4351 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L2766(lines 2766 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3031(lines 3031 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L1710(lines 1710 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L2503(lines 2503 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3561(lines 3561 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L2240(lines 2240 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L126(lines 126 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L4090(lines 4090 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L919(lines 919 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L655(lines 655 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,647 INFO L262 CegarLoopResult]: For program point L3298(lines 3298 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1184(lines 1184 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L2770(lines 2770 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L4620(lines 4620 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L393(lines 393 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L4357(lines 4357 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1979(lines 1979 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1715(lines 1715 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L3830(lines 3830 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L3566(lines 3566 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L2245(lines 2245 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L131(lines 131 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L3038(lines 3038 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L2510(lines 2510 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L4096(lines 4096 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L2775(lines 2775 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L3304(lines 3304 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1983(lines 1983 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L926(lines 926 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L662(lines 662 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1455(lines 1455 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L398(lines 398 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L4362(lines 4362 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L4627(lines 4627 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,648 INFO L262 CegarLoopResult]: For program point L2249(lines 2249 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3837(lines 3837 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3573(lines 3573 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L4366(lines 4366 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3309(lines 3309 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L138(lines 138 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3045(lines 3045 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L1460(lines 1460 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L2517(lines 2517 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L403(lines 403 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L1196(lines 1196 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L2782(lines 2782 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L4104(lines 4104 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L1990(lines 1990 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L934(lines 934 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L1727(lines 1727 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L670(lines 670 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L2256(lines 2256 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3050(lines 3050 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L1465(lines 1465 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3315(lines 3315 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L4372(lines 4372 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L1201(lines 1201 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3844(lines 3844 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L3580(lines 3580 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L146(lines 146 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L2789(lines 2789 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L2525(lines 2525 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,649 INFO L262 CegarLoopResult]: For program point L411(lines 411 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L4111(lines 4111 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L1997(lines 1997 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L676(lines 676 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L2262(lines 2262 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L941(lines 941 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L1734(lines 1734 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3584(lines 3584 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3320(lines 3320 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L4378(lines 4378 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3057(lines 3057 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3850(lines 3850 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L151(lines 151 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L2794(lines 2794 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L416(lines 416 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L4116(lines 4116 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L2531(lines 2531 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L946(lines 946 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L682(lines 682 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L2004(lines 2004 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3590(lines 3590 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L2269(lines 2269 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3062(lines 3062 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L1477(lines 1477 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L3327(lines 3327 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L4384(lines 4384 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,650 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L3856(lines 3856 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L1742(lines 1742 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L157(lines 157 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L422(lines 422 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L4122(lines 4122 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L2801(lines 2801 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L2273(lines 2273 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L2009(lines 2009 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L952(lines 952 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L1481(lines 1481 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L689(lines 689 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L2539(lines 2539 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L161(lines 161 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L3068(lines 3068 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L3862(lines 3862 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L1748(lines 1748 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L3598(lines 3598 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L1484(lines 1484 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L3334(lines 3334 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L2806(lines 2806 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L2278(lines 2278 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L4392(lines 4392 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L4128(lines 4128 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L429(lines 429 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L165(lines 165 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,651 INFO L262 CegarLoopResult]: For program point L694(lines 694 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2016(lines 2016 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2545(lines 2545 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L960(lines 960 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3867(lines 3867 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3603(lines 3603 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3075(lines 3075 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2811(lines 2811 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3340(lines 3340 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L4397(lines 4397 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L1755(lines 1755 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L1491(lines 1491 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L434(lines 434 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L170(lines 170 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L4135(lines 4135 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2286(lines 2286 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2022(lines 2022 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L701(lines 701 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2551(lines 2551 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L966(lines 966 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L1231(lines 1231 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3081(lines 3081 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3874(lines 3874 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L3610(lines 3610 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L1496(lines 1496 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L2818(lines 2818 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L1761(lines 1761 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,652 INFO L262 CegarLoopResult]: For program point L440(lines 440 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L3347(lines 3347 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L4404(lines 4404 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L176(lines 176 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2291(lines 2291 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L4141(lines 4141 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L3085(lines 3085 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2029(lines 2029 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L3879(lines 3879 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L708(lines 708 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2558(lines 2558 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L4408(lines 4408 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L973(lines 973 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L3617(lines 3617 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L1503(lines 1503 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L446(lines 446 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2825(lines 2825 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L3354(lines 3354 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L183(lines 183 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2033(lines 2033 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L1769(lines 1769 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2298(lines 2298 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L4148(lines 4148 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L3091(lines 3091 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L1242(lines 1242 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L978(lines 978 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L714(lines 714 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,653 INFO L262 CegarLoopResult]: For program point L2564(lines 2564 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L450(lines 450 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3886(lines 3886 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3622(lines 3622 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L4415(lines 4415 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3359(lines 3359 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L1510(lines 1510 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L1246(lines 1246 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L2303(lines 2303 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L189(lines 189 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L2039(lines 2039 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L2832(lines 2832 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L454(lines 454 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3097(lines 3097 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L1776(lines 1776 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L4155(lines 4155 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L457(lines 457 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L986(lines 986 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3893(lines 3893 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L722(lines 722 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L2572(lines 2572 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3629(lines 3629 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3365(lines 3365 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L1516(lines 1516 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L4423(lines 4423 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L1252(lines 1252 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L2309(lines 2309 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L195(lines 195 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,654 INFO L262 CegarLoopResult]: For program point L3102(lines 3102 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2045(lines 2045 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L1781(lines 1781 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2574(lines 2574 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2839(lines 2839 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L3897(lines 3897 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L4162(lines 4162 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L3370(lines 3370 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L992(lines 992 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L464(lines 464 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2314(lines 2314 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L4428(lines 4428 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L3900(lines 3900 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L1786(lines 1786 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L729(lines 729 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L3636(lines 3636 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L1522(lines 1522 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2051(lines 2051 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2844(lines 2844 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L202(lines 202 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L2581(lines 2581 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L3110(lines 3110 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L4168(lines 4168 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L998(lines 998 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L734(lines 734 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L3641(lines 3641 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,655 INFO L262 CegarLoopResult]: For program point L1527(lines 1527 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L4434(lines 4434 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2320(lines 2320 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L3377(lines 3377 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L3906(lines 3906 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L471(lines 471 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2057(lines 2057 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2850(lines 2850 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L1793(lines 1793 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L208(lines 208 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L738(lines 738 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2588(lines 2588 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L4438(lines 4438 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L4174(lines 4174 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L3117(lines 3117 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L3646(lines 3646 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L1005(lines 1005 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L1534(lines 1534 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L477(lines 477 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L3384(lines 3384 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2327(lines 2327 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2856(lines 2856 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L3913(lines 3913 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L214(lines 214 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L1800(lines 1800 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L2593(lines 2593 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,656 INFO L262 CegarLoopResult]: For program point L4443(lines 4443 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L2065(lines 2065 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L744(lines 744 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3651(lines 3651 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L4180(lines 4180 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3916(lines 3916 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3124(lines 3124 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L482(lines 482 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L1011(lines 1011 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L1540(lines 1540 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L1276(lines 1276 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L2862(lines 2862 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L2334(lines 2334 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3391(lines 3391 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L4448(lines 4448 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L220(lines 220 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L4184(lines 4184 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L2599(lines 2599 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L1807(lines 1807 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L750(lines 750 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L2072(lines 2072 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3129(lines 3129 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3922(lines 3922 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3658(lines 3658 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L488(lines 488 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L1546(lines 1546 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L3396(lines 3396 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,657 INFO L262 CegarLoopResult]: For program point L4453(lines 4453 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L1282(lines 1282 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L1018(lines 1018 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L2868(lines 2868 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L2340(lines 2340 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L1812(lines 1812 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L227(lines 227 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L4191(lines 4191 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L756(lines 756 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L2078(lines 2078 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L3135(lines 3135 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L2607(lines 2607 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L3929(lines 3929 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L3665(lines 3665 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L1551(lines 1551 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L4458(lines 4458 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L1023(lines 1023 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L495(lines 495 1382) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L4724-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L2346(lines 2346 2719) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L3403(lines 3403 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L4196(lines 4196 4633) no Hoare annotation was computed. [2020-12-09 10:58:14,658 INFO L262 CegarLoopResult]: For program point L2875(lines 2875 4081) no Hoare annotation was computed. [2020-12-09 10:58:14,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:58:14 BoogieIcfgContainer [2020-12-09 10:58:14,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:58:14,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:58:14,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:58:14,695 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:58:14,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:54:34" (3/4) ... [2020-12-09 10:58:14,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 10:58:14,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2020-12-09 10:58:14,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-09 10:58:14,758 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-09 10:58:14,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 10:58:15,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5b8af8e0-142e-4260-b699-52809e62324b/bin/utaipan/witness.graphml [2020-12-09 10:58:15,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:58:15,033 INFO L168 Benchmark]: Toolchain (without parser) took 226430.78 ms. Allocated memory was 92.3 MB in the beginning and 7.2 GB in the end (delta: 7.1 GB). Free memory was 53.8 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,033 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 69.2 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:58:15,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1460.18 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.4 MB in the beginning and 57.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.27 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 57.4 MB in the beginning and 60.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,034 INFO L168 Benchmark]: Boogie Preprocessor took 197.34 ms. Allocated memory is still 134.2 MB. Free memory was 60.1 MB in the beginning and 51.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,034 INFO L168 Benchmark]: RCFGBuilder took 3704.23 ms. Allocated memory was 134.2 MB in the beginning and 364.9 MB in the end (delta: 230.7 MB). Free memory was 51.5 MB in the beginning and 247.3 MB in the end (delta: -195.8 MB). Peak memory consumption was 170.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,034 INFO L168 Benchmark]: TraceAbstraction took 220513.41 ms. Allocated memory was 364.9 MB in the beginning and 7.2 GB in the end (delta: 6.8 GB). Free memory was 246.3 MB in the beginning and 3.4 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.7 GB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,034 INFO L168 Benchmark]: Witness Printer took 337.15 ms. Allocated memory is still 7.2 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 116.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:58:15,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 69.2 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1460.18 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.4 MB in the beginning and 57.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 212.27 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 57.4 MB in the beginning and 60.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 197.34 ms. Allocated memory is still 134.2 MB. Free memory was 60.1 MB in the beginning and 51.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3704.23 ms. Allocated memory was 134.2 MB in the beginning and 364.9 MB in the end (delta: 230.7 MB). Free memory was 51.5 MB in the beginning and 247.3 MB in the end (delta: -195.8 MB). Peak memory consumption was 170.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 220513.41 ms. Allocated memory was 364.9 MB in the beginning and 7.2 GB in the end (delta: 6.8 GB). Free memory was 246.3 MB in the beginning and 3.4 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.7 GB. Max. memory is 16.1 GB. * Witness Printer took 337.15 ms. Allocated memory is still 7.2 GB. Free memory was 3.4 GB in the beginning and 3.3 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: 4728]: 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: ((((((((((((((((((((((((((((((((((((((((((((((((a28 < 17 && a14 == 20) && 19 <= a26) && 17 <= a4) && a3 <= 0) || ((((a14 == 20 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((17 <= a28 && a14 == 18) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a28 < 17) && a4 <= 17) && a14 <= 19) && a3 == 1)) || ((((a28 < 17 && a4 <= 17) && a14 <= 19) && a14 == 18) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && 17 <= a4) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((((a26 == 18 && a4 <= 17) && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && a28 <= 15) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((((a14 == 20 && 16 == a4) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 17 <= a4) && a3 == 1)) || ((16 == a4 && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a26 == 18) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a26 == 18 && 16 == a4) && a14 == 18) && a3 <= 0)) || (((((a28 < 17 && a14 <= 19) && a7 == 1) && 16 == a4) && 19 <= a26) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && 16 == a4) && a3 == 1)) || ((((a14 <= 19 && a7 == 1) && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a26 == 18 && a4 <= 17) && a28 <= 16) && a14 == 20) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && a26 <= 18) && a3 <= 0)) || ((a26 == 18 && a14 == 18) && a3 == 1)) || (((a28 <= 15 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((16 == a4 && a28 <= 15) && a14 == 18) && a3 <= 0)) || ((((a28 < 17 && a14 == 20) && 16 == a4) && a26 <= 17) && a3 <= 0)) || ((((a28 < 17 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((16 == a4 && 17 <= a28) && a14 == 18) && a3 <= 0)) || ((((a28 < 17 && a4 <= 17) && a14 <= 19) && a26 <= 17) && a3 == 1)) || ((((a26 == 18 && a14 == 20) && 16 == a4) && 17 <= a28) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 16 == a4) && a3 <= 0)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 4820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((a28 < 17 && a14 == 20) && 19 <= a26) && 17 <= a4) && a3 <= 0) || ((((a14 == 20 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((17 <= a28 && a14 == 18) && 17 <= a4) && a3 <= 0)) || ((((a28 < 17 && a4 <= 17) && a14 <= 19) && a14 == 18) && a3 == 1)) || ((((a26 == 18 && a28 < 17) && a4 <= 17) && a14 <= 19) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && 17 <= a4) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((((a26 == 18 && a4 <= 17) && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && a28 <= 15) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((((a14 == 20 && 16 == a4) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 19 <= a26) && 17 <= a28) && a3 == 1)) || ((((a28 < 17 && a26 == 18) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a26 == 18 && 16 == a4) && a14 == 18) && a3 <= 0)) || (((((a28 < 17 && a14 <= 19) && a7 == 1) && 16 == a4) && 19 <= a26) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && 16 == a4) && a3 == 1)) || ((((a14 <= 19 && a7 == 1) && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a26 == 18 && a4 <= 17) && a28 <= 16) && a14 == 20) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && a26 <= 18) && a3 <= 0)) || ((a26 == 18 && a14 == 18) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && 16 == a4) && 17 <= a28) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && a26 <= 17) && a3 == 1)) || (((a28 <= 15 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((16 == a4 && a28 <= 15) && a14 == 18) && a3 <= 0)) || ((((a28 < 17 && a14 == 20) && 16 == a4) && a26 <= 17) && a3 <= 0)) || ((((a28 < 17 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((16 == a4 && 17 <= a28) && a14 == 18) && a3 <= 0)) || ((((a26 == 18 && a14 == 20) && 16 == a4) && 17 <= a28) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 16 == a4) && a3 <= 0)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 1385]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((a28 < 17 && a14 == 20) && 19 <= a26) && 17 <= a4) && a3 <= 0) || ((((a14 == 20 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((17 <= a28 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && a7 == 1) && 17 <= a4) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((((a26 == 18 && a4 <= 17) && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && a28 <= 15) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((((a14 == 20 && 16 == a4) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a26 == 18) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a26 == 18 && 16 == a4) && a14 == 18) && a3 <= 0)) || (((((a28 < 17 && a14 <= 19) && a7 == 1) && 16 == a4) && 19 <= a26) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && 16 == a4) && a3 == 1)) || ((((a14 <= 19 && a7 == 1) && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a26 == 18 && a4 <= 17) && a28 <= 16) && a14 == 20) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && a26 <= 18) && a3 <= 0)) || ((a26 == 18 && a14 == 18) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && 16 == a4) && 17 <= a28) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a26 == 18) && a28 <= 16) && a14 <= 19) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && a26 <= 17) && a3 == 1)) || (((a28 <= 15 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((16 == a4 && a28 <= 15) && a14 == 18) && a3 <= 0)) || (((a4 <= 17 && a28 <= 16) && a14 == 18) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && 16 == a4) && a26 <= 17) && a3 <= 0)) || ((((a28 < 17 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((16 == a4 && 17 <= a28) && a14 == 18) && a3 <= 0)) || ((((a26 == 18 && a14 == 20) && 16 == a4) && 17 <= a28) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 16 == a4) && a3 <= 0)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 2722]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((a28 < 17 && a14 == 20) && 19 <= a26) && 17 <= a4) && a3 <= 0) || ((((a14 == 20 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((17 <= a28 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && a7 == 1) && 17 <= a4) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((((a26 == 18 && a4 <= 17) && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && a28 <= 15) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((((a14 == 20 && 16 == a4) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a26 == 18) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a26 == 18 && 16 == a4) && a14 == 18) && a3 <= 0)) || (((((a28 < 17 && a14 <= 19) && a7 == 1) && 16 == a4) && 19 <= a26) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && 16 == a4) && a3 == 1)) || ((((a14 <= 19 && a7 == 1) && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a26 == 18 && a4 <= 17) && a28 <= 16) && a14 == 20) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && a26 <= 18) && a3 <= 0)) || ((a26 == 18 && a14 == 18) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && 16 == a4) && 17 <= a28) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a26 == 18) && a28 <= 16) && a14 <= 19) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && a26 <= 17) && a3 == 1)) || (((a28 <= 15 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((16 == a4 && a28 <= 15) && a14 == 18) && a3 <= 0)) || (((a4 <= 17 && a28 <= 16) && a14 == 18) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && 16 == a4) && a26 <= 17) && a3 <= 0)) || ((((a28 < 17 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((16 == a4 && 17 <= a28) && a14 == 18) && a3 <= 0)) || ((((a26 == 18 && a14 == 20) && 16 == a4) && 17 <= a28) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 16 == a4) && a3 <= 0)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 4084]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((a28 < 17 && a14 == 20) && 19 <= a26) && 17 <= a4) && a3 <= 0) || ((((a14 == 20 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((17 <= a28 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && a7 == 1) && 17 <= a4) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a26 <= 17) && 17 <= a28) && a3 <= 0)) || (((((a26 == 18 && a4 <= 17) && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 == 1)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && a28 <= 15) && a3 <= 0)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && 16 == a4) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a26 <= 17) && a3 == 1)) || ((((a14 == 20 && 16 == a4) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 <= 19) && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((((a28 < 17 && a26 == 18) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (((a26 == 18 && 16 == a4) && a14 == 18) && a3 <= 0)) || (((((a28 < 17 && a14 <= 19) && a7 == 1) && 16 == a4) && 19 <= a26) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && a7 == 1) && 16 == a4) && a3 == 1)) || ((((a14 <= 19 && a7 == 1) && 16 == a4) && a28 <= 15) && a3 <= 0)) || ((((a26 == 18 && a4 <= 17) && a28 <= 16) && a14 == 20) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && a26 <= 18) && a3 <= 0)) || ((a26 == 18 && a14 == 18) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && 16 == a4) && 17 <= a28) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a26 == 18) && a28 <= 16) && a14 <= 19) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && a14 <= 19) && a26 <= 17) && a3 == 1)) || (((a28 <= 15 && a14 == 18) && 17 <= a4) && a3 <= 0)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((16 == a4 && a28 <= 15) && a14 == 18) && a3 <= 0)) || (((a4 <= 17 && a28 <= 16) && a14 == 18) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && 16 == a4) && a26 <= 17) && a3 <= 0)) || ((((a28 < 17 && a14 <= 19) && a7 == 1) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((16 == a4 && 17 <= a28) && a14 == 18) && a3 <= 0)) || ((((a26 == 18 && a14 == 20) && 16 == a4) && 17 <= a28) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 16 == a4) && 17 <= a28) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 17 <= a4) && a3 <= 0)) || ((((a26 == 18 && a14 <= 19) && a7 == 1) && 16 == a4) && a3 <= 0)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 763 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 206.0s, OverallIterations: 20, TraceHistogramMax: 18, AutomataDifference: 76.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14338 SDtfs, 18936 SDslu, 3210 SDs, 0 SdLazy, 59530 SolverSat, 17022 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16124 GetRequests, 16070 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113703occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 63703 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 798 NumberOfFragments, 3473 HoareAnnotationTreeSize, 6 FomulaSimplifications, 134983 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 6 FomulaSimplificationsInter, 22026 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 52.4s InterpolantComputationTime, 43673 NumberOfCodeBlocks, 43673 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 51675 ConstructedInterpolants, 0 QuantifiedInterpolants, 258155909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 9434 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 26 InterpolantComputations, 23 PerfectInterpolantSequences, 132624/132938 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...