./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/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 b0b2d978b2f3873db9b988022a041d2d18a2f859 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:40:09,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:40:09,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:40:10,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:40:10,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:40:10,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:40:10,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:40:10,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:40:10,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:40:10,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:40:10,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:40:10,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:40:10,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:40:10,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:40:10,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:40:10,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:40:10,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:40:10,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:40:10,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:40:10,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:40:10,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:40:10,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:40:10,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:40:10,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:40:10,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:40:10,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:40:10,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:40:10,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:40:10,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:40:10,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:40:10,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:40:10,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:40:10,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:40:10,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:40:10,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:40:10,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:40:10,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:40:10,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:40:10,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:40:10,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:40:10,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:40:10,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:40:10,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:40:10,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:40:10,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:40:10,217 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:40:10,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:40:10,217 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:40:10,218 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:40:10,218 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:40:10,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:40:10,218 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:40:10,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:40:10,220 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:40:10,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:40:10,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:40:10,221 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:40:10,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:40:10,222 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:40:10,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:40:10,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:40:10,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:40:10,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:40:10,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:40:10,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:40:10,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:40:10,224 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:40:10,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:40:10,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:40:10,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:40:10,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:40:10,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:40:10,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:40:10,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:40:10,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:40:10,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:40:10,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:40:10,229 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:40:10,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:40:10,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:40:10,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:40:10,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:40:10,230 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_5b176c4d-ea25-4a69-a733-c97a8587a59d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-11-30 02:40:10,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:40:10,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:40:10,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:40:10,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:40:10,511 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:40:10,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-11-30 02:40:10,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/data/682ae79ff/244bd0ef9cfa44d59f8ba576e739c3d0/FLAG733bbbb16 [2020-11-30 02:40:11,136 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:40:11,137 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-11-30 02:40:11,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/data/682ae79ff/244bd0ef9cfa44d59f8ba576e739c3d0/FLAG733bbbb16 [2020-11-30 02:40:11,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/data/682ae79ff/244bd0ef9cfa44d59f8ba576e739c3d0 [2020-11-30 02:40:11,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:40:11,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:40:11,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:40:11,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:40:11,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:40:11,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed38a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11, skipping insertion in model container [2020-11-30 02:40:11,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:40:11,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:40:11,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:40:11,835 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:40:11,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:40:11,906 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:40:11,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11 WrapperNode [2020-11-30 02:40:11,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:40:11,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:40:11,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:40:11,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:40:11,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:40:11,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:40:11,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:40:11,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:40:11,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:11,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:12,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:12,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... [2020-11-30 02:40:12,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:40:12,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:40:12,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:40:12,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:40:12,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/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 [2020-11-30 02:40:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:40:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:40:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:40:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:40:12,295 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:40:13,043 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-30 02:40:13,043 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-30 02:40:13,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:40:13,376 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 02:40:13,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:40:13 BoogieIcfgContainer [2020-11-30 02:40:13,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:40:13,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:40:13,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:40:13,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:40:13,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:40:11" (1/3) ... [2020-11-30 02:40:13,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56025fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:40:13, skipping insertion in model container [2020-11-30 02:40:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:11" (2/3) ... [2020-11-30 02:40:13,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56025fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:40:13, skipping insertion in model container [2020-11-30 02:40:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:40:13" (3/3) ... [2020-11-30 02:40:13,389 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-11-30 02:40:13,401 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:40:13,410 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:40:13,435 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:40:13,477 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:40:13,477 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:40:13,477 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:40:13,477 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:40:13,477 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:40:13,477 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:40:13,478 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:40:13,478 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:40:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-11-30 02:40:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 02:40:13,522 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:13,523 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] [2020-11-30 02:40:13,523 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:13,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:13,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2037061737, now seen corresponding path program 1 times [2020-11-30 02:40:13,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:13,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434701603] [2020-11-30 02:40:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:13,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434701603] [2020-11-30 02:40:13,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:13,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:13,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419766608] [2020-11-30 02:40:13,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:13,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:13,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:13,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:13,832 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2020-11-30 02:40:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:14,155 INFO L93 Difference]: Finished difference Result 257 states and 452 transitions. [2020-11-30 02:40:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:14,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-11-30 02:40:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:14,175 INFO L225 Difference]: With dead ends: 257 [2020-11-30 02:40:14,175 INFO L226 Difference]: Without dead ends: 148 [2020-11-30 02:40:14,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:14,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-11-30 02:40:14,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2020-11-30 02:40:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-30 02:40:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 230 transitions. [2020-11-30 02:40:14,276 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 230 transitions. Word has length 39 [2020-11-30 02:40:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:14,277 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 230 transitions. [2020-11-30 02:40:14,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 230 transitions. [2020-11-30 02:40:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 02:40:14,281 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:14,281 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] [2020-11-30 02:40:14,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:40:14,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:14,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1282571701, now seen corresponding path program 1 times [2020-11-30 02:40:14,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:14,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758657548] [2020-11-30 02:40:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:14,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758657548] [2020-11-30 02:40:14,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:14,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:14,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742179622] [2020-11-30 02:40:14,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:14,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:14,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:14,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:14,417 INFO L87 Difference]: Start difference. First operand 142 states and 230 transitions. Second operand 3 states. [2020-11-30 02:40:14,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:14,738 INFO L93 Difference]: Finished difference Result 329 states and 542 transitions. [2020-11-30 02:40:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:14,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-11-30 02:40:14,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:14,741 INFO L225 Difference]: With dead ends: 329 [2020-11-30 02:40:14,741 INFO L226 Difference]: Without dead ends: 187 [2020-11-30 02:40:14,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:14,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-11-30 02:40:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2020-11-30 02:40:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-30 02:40:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 303 transitions. [2020-11-30 02:40:14,765 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 303 transitions. Word has length 40 [2020-11-30 02:40:14,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:14,765 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 303 transitions. [2020-11-30 02:40:14,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 303 transitions. [2020-11-30 02:40:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 02:40:14,769 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:14,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:14,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:40:14,771 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:14,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1106688006, now seen corresponding path program 1 times [2020-11-30 02:40:14,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:14,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213463628] [2020-11-30 02:40:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:14,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213463628] [2020-11-30 02:40:14,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:14,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:14,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754252255] [2020-11-30 02:40:14,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:14,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:14,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:14,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:14,864 INFO L87 Difference]: Start difference. First operand 181 states and 303 transitions. Second operand 3 states. [2020-11-30 02:40:15,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:15,073 INFO L93 Difference]: Finished difference Result 389 states and 658 transitions. [2020-11-30 02:40:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:15,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-11-30 02:40:15,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:15,076 INFO L225 Difference]: With dead ends: 389 [2020-11-30 02:40:15,076 INFO L226 Difference]: Without dead ends: 210 [2020-11-30 02:40:15,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:15,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-11-30 02:40:15,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2020-11-30 02:40:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-30 02:40:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 355 transitions. [2020-11-30 02:40:15,091 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 355 transitions. Word has length 66 [2020-11-30 02:40:15,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:15,091 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 355 transitions. [2020-11-30 02:40:15,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 355 transitions. [2020-11-30 02:40:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 02:40:15,099 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:15,099 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-11-30 02:40:15,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 02:40:15,100 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:15,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:15,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1823791212, now seen corresponding path program 1 times [2020-11-30 02:40:15,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:15,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257888402] [2020-11-30 02:40:15,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 02:40:15,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257888402] [2020-11-30 02:40:15,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:15,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:15,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336155411] [2020-11-30 02:40:15,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:15,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:15,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:15,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:15,201 INFO L87 Difference]: Start difference. First operand 210 states and 355 transitions. Second operand 3 states. [2020-11-30 02:40:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:15,432 INFO L93 Difference]: Finished difference Result 433 states and 732 transitions. [2020-11-30 02:40:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:15,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-11-30 02:40:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:15,435 INFO L225 Difference]: With dead ends: 433 [2020-11-30 02:40:15,436 INFO L226 Difference]: Without dead ends: 225 [2020-11-30 02:40:15,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-11-30 02:40:15,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-11-30 02:40:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-30 02:40:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 374 transitions. [2020-11-30 02:40:15,467 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 374 transitions. Word has length 77 [2020-11-30 02:40:15,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:15,470 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 374 transitions. [2020-11-30 02:40:15,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 374 transitions. [2020-11-30 02:40:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 02:40:15,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:15,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:15,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 02:40:15,480 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:15,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:15,481 INFO L82 PathProgramCache]: Analyzing trace with hash -102355099, now seen corresponding path program 1 times [2020-11-30 02:40:15,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:15,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265385571] [2020-11-30 02:40:15,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:15,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265385571] [2020-11-30 02:40:15,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:15,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:15,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769711981] [2020-11-30 02:40:15,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:15,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:15,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:15,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:15,630 INFO L87 Difference]: Start difference. First operand 223 states and 374 transitions. Second operand 3 states. [2020-11-30 02:40:15,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:15,904 INFO L93 Difference]: Finished difference Result 485 states and 819 transitions. [2020-11-30 02:40:15,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:15,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-11-30 02:40:15,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:15,907 INFO L225 Difference]: With dead ends: 485 [2020-11-30 02:40:15,907 INFO L226 Difference]: Without dead ends: 264 [2020-11-30 02:40:15,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:15,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-11-30 02:40:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 261. [2020-11-30 02:40:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-30 02:40:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 442 transitions. [2020-11-30 02:40:15,924 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 442 transitions. Word has length 77 [2020-11-30 02:40:15,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:15,925 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 442 transitions. [2020-11-30 02:40:15,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:15,926 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 442 transitions. [2020-11-30 02:40:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 02:40:15,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:15,927 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:15,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 02:40:15,928 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:15,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:15,929 INFO L82 PathProgramCache]: Analyzing trace with hash -717988293, now seen corresponding path program 1 times [2020-11-30 02:40:15,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:15,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660495059] [2020-11-30 02:40:15,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 02:40:16,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660495059] [2020-11-30 02:40:16,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:16,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:16,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208053832] [2020-11-30 02:40:16,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:16,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:16,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:16,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,008 INFO L87 Difference]: Start difference. First operand 261 states and 442 transitions. Second operand 3 states. [2020-11-30 02:40:16,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:16,198 INFO L93 Difference]: Finished difference Result 522 states and 884 transitions. [2020-11-30 02:40:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:16,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-11-30 02:40:16,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:16,201 INFO L225 Difference]: With dead ends: 522 [2020-11-30 02:40:16,201 INFO L226 Difference]: Without dead ends: 263 [2020-11-30 02:40:16,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-11-30 02:40:16,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2020-11-30 02:40:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-30 02:40:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 438 transitions. [2020-11-30 02:40:16,220 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 438 transitions. Word has length 78 [2020-11-30 02:40:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:16,220 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 438 transitions. [2020-11-30 02:40:16,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 438 transitions. [2020-11-30 02:40:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 02:40:16,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:16,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:16,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 02:40:16,222 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:16,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1014305689, now seen corresponding path program 1 times [2020-11-30 02:40:16,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:16,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614269947] [2020-11-30 02:40:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:16,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614269947] [2020-11-30 02:40:16,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:16,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:16,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024034976] [2020-11-30 02:40:16,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:16,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:16,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:16,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,312 INFO L87 Difference]: Start difference. First operand 261 states and 438 transitions. Second operand 3 states. [2020-11-30 02:40:16,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:16,577 INFO L93 Difference]: Finished difference Result 523 states and 877 transitions. [2020-11-30 02:40:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:16,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-11-30 02:40:16,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:16,580 INFO L225 Difference]: With dead ends: 523 [2020-11-30 02:40:16,580 INFO L226 Difference]: Without dead ends: 262 [2020-11-30 02:40:16,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-11-30 02:40:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2020-11-30 02:40:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-11-30 02:40:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 433 transitions. [2020-11-30 02:40:16,594 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 433 transitions. Word has length 78 [2020-11-30 02:40:16,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:16,594 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 433 transitions. [2020-11-30 02:40:16,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 433 transitions. [2020-11-30 02:40:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-30 02:40:16,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:16,596 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:16,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 02:40:16,596 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:16,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:16,596 INFO L82 PathProgramCache]: Analyzing trace with hash -442133433, now seen corresponding path program 1 times [2020-11-30 02:40:16,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:16,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373712913] [2020-11-30 02:40:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-30 02:40:16,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373712913] [2020-11-30 02:40:16,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:16,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:16,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780106635] [2020-11-30 02:40:16,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:16,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:16,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:16,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,643 INFO L87 Difference]: Start difference. First operand 259 states and 433 transitions. Second operand 3 states. [2020-11-30 02:40:16,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:16,848 INFO L93 Difference]: Finished difference Result 523 states and 873 transitions. [2020-11-30 02:40:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:16,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-11-30 02:40:16,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:16,851 INFO L225 Difference]: With dead ends: 523 [2020-11-30 02:40:16,851 INFO L226 Difference]: Without dead ends: 266 [2020-11-30 02:40:16,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-30 02:40:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-30 02:40:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-30 02:40:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 436 transitions. [2020-11-30 02:40:16,879 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 436 transitions. Word has length 87 [2020-11-30 02:40:16,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:16,879 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 436 transitions. [2020-11-30 02:40:16,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 436 transitions. [2020-11-30 02:40:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-30 02:40:16,880 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:16,881 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:16,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 02:40:16,881 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:16,882 INFO L82 PathProgramCache]: Analyzing trace with hash 328867511, now seen corresponding path program 1 times [2020-11-30 02:40:16,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:16,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086042853] [2020-11-30 02:40:16,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 02:40:16,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086042853] [2020-11-30 02:40:16,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:16,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:16,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408271674] [2020-11-30 02:40:16,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:16,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:16,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:16,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:16,956 INFO L87 Difference]: Start difference. First operand 266 states and 436 transitions. Second operand 3 states. [2020-11-30 02:40:17,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:17,183 INFO L93 Difference]: Finished difference Result 559 states and 919 transitions. [2020-11-30 02:40:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:17,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-30 02:40:17,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:17,186 INFO L225 Difference]: With dead ends: 559 [2020-11-30 02:40:17,186 INFO L226 Difference]: Without dead ends: 295 [2020-11-30 02:40:17,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:17,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-30 02:40:17,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 293. [2020-11-30 02:40:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-11-30 02:40:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 479 transitions. [2020-11-30 02:40:17,205 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 479 transitions. Word has length 91 [2020-11-30 02:40:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:17,207 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 479 transitions. [2020-11-30 02:40:17,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 479 transitions. [2020-11-30 02:40:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 02:40:17,209 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:17,209 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:17,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 02:40:17,209 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:17,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:17,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1082351786, now seen corresponding path program 1 times [2020-11-30 02:40:17,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:17,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572682379] [2020-11-30 02:40:17,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 02:40:17,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572682379] [2020-11-30 02:40:17,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:17,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:17,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403745949] [2020-11-30 02:40:17,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:17,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:17,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:17,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:17,266 INFO L87 Difference]: Start difference. First operand 293 states and 479 transitions. Second operand 3 states. [2020-11-30 02:40:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:17,497 INFO L93 Difference]: Finished difference Result 616 states and 1011 transitions. [2020-11-30 02:40:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:17,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-30 02:40:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:17,500 INFO L225 Difference]: With dead ends: 616 [2020-11-30 02:40:17,500 INFO L226 Difference]: Without dead ends: 325 [2020-11-30 02:40:17,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-11-30 02:40:17,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2020-11-30 02:40:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-30 02:40:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 517 transitions. [2020-11-30 02:40:17,518 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 517 transitions. Word has length 92 [2020-11-30 02:40:17,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:17,518 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 517 transitions. [2020-11-30 02:40:17,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 517 transitions. [2020-11-30 02:40:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 02:40:17,520 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:17,520 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, 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] [2020-11-30 02:40:17,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 02:40:17,520 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:17,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:17,521 INFO L82 PathProgramCache]: Analyzing trace with hash -111791746, now seen corresponding path program 1 times [2020-11-30 02:40:17,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:17,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053011221] [2020-11-30 02:40:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 02:40:17,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053011221] [2020-11-30 02:40:17,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:17,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:17,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968282984] [2020-11-30 02:40:17,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:17,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:17,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:17,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:17,587 INFO L87 Difference]: Start difference. First operand 318 states and 517 transitions. Second operand 3 states. [2020-11-30 02:40:17,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:17,790 INFO L93 Difference]: Finished difference Result 636 states and 1034 transitions. [2020-11-30 02:40:17,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:17,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-30 02:40:17,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:17,793 INFO L225 Difference]: With dead ends: 636 [2020-11-30 02:40:17,793 INFO L226 Difference]: Without dead ends: 320 [2020-11-30 02:40:17,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:17,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-11-30 02:40:17,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 318. [2020-11-30 02:40:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-30 02:40:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 513 transitions. [2020-11-30 02:40:17,818 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 513 transitions. Word has length 92 [2020-11-30 02:40:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:17,818 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 513 transitions. [2020-11-30 02:40:17,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 513 transitions. [2020-11-30 02:40:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 02:40:17,823 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:17,823 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:17,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 02:40:17,823 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash 84312591, now seen corresponding path program 1 times [2020-11-30 02:40:17,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:17,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580093620] [2020-11-30 02:40:17,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 02:40:17,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580093620] [2020-11-30 02:40:17,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:17,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:17,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167605861] [2020-11-30 02:40:17,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:17,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:17,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:17,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:17,893 INFO L87 Difference]: Start difference. First operand 318 states and 513 transitions. Second operand 3 states. [2020-11-30 02:40:18,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:18,105 INFO L93 Difference]: Finished difference Result 641 states and 1036 transitions. [2020-11-30 02:40:18,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:18,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-11-30 02:40:18,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:18,108 INFO L225 Difference]: With dead ends: 641 [2020-11-30 02:40:18,108 INFO L226 Difference]: Without dead ends: 325 [2020-11-30 02:40:18,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:18,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-11-30 02:40:18,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2020-11-30 02:40:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-30 02:40:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 508 transitions. [2020-11-30 02:40:18,125 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 508 transitions. Word has length 93 [2020-11-30 02:40:18,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:18,126 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 508 transitions. [2020-11-30 02:40:18,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 508 transitions. [2020-11-30 02:40:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 02:40:18,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:18,128 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:18,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 02:40:18,128 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:18,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:18,129 INFO L82 PathProgramCache]: Analyzing trace with hash 478638769, now seen corresponding path program 1 times [2020-11-30 02:40:18,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:18,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736304418] [2020-11-30 02:40:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-30 02:40:18,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736304418] [2020-11-30 02:40:18,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:18,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:18,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562318479] [2020-11-30 02:40:18,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:18,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:18,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:18,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:18,180 INFO L87 Difference]: Start difference. First operand 318 states and 508 transitions. Second operand 3 states. [2020-11-30 02:40:18,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:18,371 INFO L93 Difference]: Finished difference Result 655 states and 1047 transitions. [2020-11-30 02:40:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:18,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-11-30 02:40:18,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:18,375 INFO L225 Difference]: With dead ends: 655 [2020-11-30 02:40:18,375 INFO L226 Difference]: Without dead ends: 339 [2020-11-30 02:40:18,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-30 02:40:18,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 337. [2020-11-30 02:40:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-11-30 02:40:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 533 transitions. [2020-11-30 02:40:18,395 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 533 transitions. Word has length 94 [2020-11-30 02:40:18,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:18,395 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 533 transitions. [2020-11-30 02:40:18,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 533 transitions. [2020-11-30 02:40:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-30 02:40:18,397 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:18,397 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:18,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 02:40:18,397 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:18,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:18,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1321699062, now seen corresponding path program 1 times [2020-11-30 02:40:18,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:18,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303487131] [2020-11-30 02:40:18,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-30 02:40:18,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303487131] [2020-11-30 02:40:18,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:18,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:18,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652710072] [2020-11-30 02:40:18,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:18,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:18,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:18,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:18,452 INFO L87 Difference]: Start difference. First operand 337 states and 533 transitions. Second operand 3 states. [2020-11-30 02:40:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:18,664 INFO L93 Difference]: Finished difference Result 674 states and 1066 transitions. [2020-11-30 02:40:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:18,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-11-30 02:40:18,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:18,667 INFO L225 Difference]: With dead ends: 674 [2020-11-30 02:40:18,668 INFO L226 Difference]: Without dead ends: 339 [2020-11-30 02:40:18,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-30 02:40:18,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 337. [2020-11-30 02:40:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-11-30 02:40:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 527 transitions. [2020-11-30 02:40:18,696 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 527 transitions. Word has length 95 [2020-11-30 02:40:18,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:18,696 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 527 transitions. [2020-11-30 02:40:18,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 527 transitions. [2020-11-30 02:40:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-30 02:40:18,698 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:18,698 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:18,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 02:40:18,698 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:18,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:18,699 INFO L82 PathProgramCache]: Analyzing trace with hash 2092608720, now seen corresponding path program 1 times [2020-11-30 02:40:18,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:18,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811732076] [2020-11-30 02:40:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:18,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811732076] [2020-11-30 02:40:18,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432690571] [2020-11-30 02:40:18,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/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 [2020-11-30 02:40:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:18,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 02:40:18,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:40:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:19,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:40:19,156 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-30 02:40:19,157 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:40:19,172 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-30 02:40:19,173 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:40:19,184 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-30 02:40:19,185 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:40:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-11-30 02:40:19,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-11-30 02:40:19,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 6 [2020-11-30 02:40:19,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369066851] [2020-11-30 02:40:19,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:19,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:19,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:19,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:40:19,209 INFO L87 Difference]: Start difference. First operand 337 states and 527 transitions. Second operand 3 states. [2020-11-30 02:40:19,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:19,277 INFO L93 Difference]: Finished difference Result 671 states and 1051 transitions. [2020-11-30 02:40:19,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:19,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-30 02:40:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:19,283 INFO L225 Difference]: With dead ends: 671 [2020-11-30 02:40:19,283 INFO L226 Difference]: Without dead ends: 669 [2020-11-30 02:40:19,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:40:19,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-11-30 02:40:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 666. [2020-11-30 02:40:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-11-30 02:40:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1044 transitions. [2020-11-30 02:40:19,330 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1044 transitions. Word has length 108 [2020-11-30 02:40:19,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:19,330 INFO L481 AbstractCegarLoop]: Abstraction has 666 states and 1044 transitions. [2020-11-30 02:40:19,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1044 transitions. [2020-11-30 02:40:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 02:40:19,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:19,333 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:19,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-30 02:40:19,544 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:19,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1516408403, now seen corresponding path program 1 times [2020-11-30 02:40:19,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:19,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823897960] [2020-11-30 02:40:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-30 02:40:19,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823897960] [2020-11-30 02:40:19,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:19,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:19,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026234713] [2020-11-30 02:40:19,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:19,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:19,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:19,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:19,598 INFO L87 Difference]: Start difference. First operand 666 states and 1044 transitions. Second operand 3 states. [2020-11-30 02:40:19,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:19,980 INFO L93 Difference]: Finished difference Result 1074 states and 1685 transitions. [2020-11-30 02:40:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:19,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-11-30 02:40:19,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:19,987 INFO L225 Difference]: With dead ends: 1074 [2020-11-30 02:40:19,988 INFO L226 Difference]: Without dead ends: 739 [2020-11-30 02:40:19,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:19,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-11-30 02:40:20,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2020-11-30 02:40:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-11-30 02:40:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1153 transitions. [2020-11-30 02:40:20,043 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1153 transitions. Word has length 111 [2020-11-30 02:40:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:20,043 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1153 transitions. [2020-11-30 02:40:20,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1153 transitions. [2020-11-30 02:40:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-30 02:40:20,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:20,046 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:20,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 02:40:20,047 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:20,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:20,048 INFO L82 PathProgramCache]: Analyzing trace with hash 951151311, now seen corresponding path program 1 times [2020-11-30 02:40:20,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:20,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195860839] [2020-11-30 02:40:20,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-30 02:40:20,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195860839] [2020-11-30 02:40:20,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:20,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:20,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080851842] [2020-11-30 02:40:20,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:20,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:20,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:20,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:20,105 INFO L87 Difference]: Start difference. First operand 737 states and 1153 transitions. Second operand 3 states. [2020-11-30 02:40:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:20,383 INFO L93 Difference]: Finished difference Result 1110 states and 1735 transitions. [2020-11-30 02:40:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:20,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-11-30 02:40:20,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:20,388 INFO L225 Difference]: With dead ends: 1110 [2020-11-30 02:40:20,389 INFO L226 Difference]: Without dead ends: 737 [2020-11-30 02:40:20,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:20,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-11-30 02:40:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 735. [2020-11-30 02:40:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-11-30 02:40:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1144 transitions. [2020-11-30 02:40:20,430 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1144 transitions. Word has length 112 [2020-11-30 02:40:20,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:20,431 INFO L481 AbstractCegarLoop]: Abstraction has 735 states and 1144 transitions. [2020-11-30 02:40:20,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1144 transitions. [2020-11-30 02:40:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-30 02:40:20,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:20,434 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:20,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 02:40:20,434 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:20,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:20,435 INFO L82 PathProgramCache]: Analyzing trace with hash -135617158, now seen corresponding path program 1 times [2020-11-30 02:40:20,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:20,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553137710] [2020-11-30 02:40:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-11-30 02:40:20,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553137710] [2020-11-30 02:40:20,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:20,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:20,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552625408] [2020-11-30 02:40:20,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:20,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:20,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:20,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:20,487 INFO L87 Difference]: Start difference. First operand 735 states and 1144 transitions. Second operand 3 states. [2020-11-30 02:40:20,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:20,760 INFO L93 Difference]: Finished difference Result 1540 states and 2398 transitions. [2020-11-30 02:40:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:20,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-11-30 02:40:20,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:20,766 INFO L225 Difference]: With dead ends: 1540 [2020-11-30 02:40:20,766 INFO L226 Difference]: Without dead ends: 807 [2020-11-30 02:40:20,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:20,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-11-30 02:40:20,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 803. [2020-11-30 02:40:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-11-30 02:40:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1244 transitions. [2020-11-30 02:40:20,807 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1244 transitions. Word has length 143 [2020-11-30 02:40:20,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:20,807 INFO L481 AbstractCegarLoop]: Abstraction has 803 states and 1244 transitions. [2020-11-30 02:40:20,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1244 transitions. [2020-11-30 02:40:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-30 02:40:20,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:20,810 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:20,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 02:40:20,810 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:20,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:20,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1139239740, now seen corresponding path program 1 times [2020-11-30 02:40:20,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:20,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73562387] [2020-11-30 02:40:20,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-11-30 02:40:20,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73562387] [2020-11-30 02:40:20,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:20,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:20,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51088237] [2020-11-30 02:40:20,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:20,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:20,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:20,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:20,881 INFO L87 Difference]: Start difference. First operand 803 states and 1244 transitions. Second operand 3 states. [2020-11-30 02:40:21,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:21,130 INFO L93 Difference]: Finished difference Result 1608 states and 2490 transitions. [2020-11-30 02:40:21,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:21,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-11-30 02:40:21,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:21,135 INFO L225 Difference]: With dead ends: 1608 [2020-11-30 02:40:21,135 INFO L226 Difference]: Without dead ends: 803 [2020-11-30 02:40:21,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:21,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2020-11-30 02:40:21,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 797. [2020-11-30 02:40:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2020-11-30 02:40:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1228 transitions. [2020-11-30 02:40:21,189 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1228 transitions. Word has length 144 [2020-11-30 02:40:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:21,189 INFO L481 AbstractCegarLoop]: Abstraction has 797 states and 1228 transitions. [2020-11-30 02:40:21,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1228 transitions. [2020-11-30 02:40:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-30 02:40:21,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:21,193 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:21,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 02:40:21,193 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:21,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:21,194 INFO L82 PathProgramCache]: Analyzing trace with hash 2082810700, now seen corresponding path program 1 times [2020-11-30 02:40:21,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:21,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340500153] [2020-11-30 02:40:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-11-30 02:40:21,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340500153] [2020-11-30 02:40:21,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:21,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:21,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915406505] [2020-11-30 02:40:21,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:21,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:21,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:21,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:21,269 INFO L87 Difference]: Start difference. First operand 797 states and 1228 transitions. Second operand 3 states. [2020-11-30 02:40:21,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:21,525 INFO L93 Difference]: Finished difference Result 1660 states and 2558 transitions. [2020-11-30 02:40:21,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:21,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-11-30 02:40:21,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:21,531 INFO L225 Difference]: With dead ends: 1660 [2020-11-30 02:40:21,531 INFO L226 Difference]: Without dead ends: 865 [2020-11-30 02:40:21,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:21,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-11-30 02:40:21,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 861. [2020-11-30 02:40:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-30 02:40:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1318 transitions. [2020-11-30 02:40:21,575 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1318 transitions. Word has length 173 [2020-11-30 02:40:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:21,575 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1318 transitions. [2020-11-30 02:40:21,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1318 transitions. [2020-11-30 02:40:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-30 02:40:21,579 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:21,579 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:21,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 02:40:21,579 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:21,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:21,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1418610222, now seen corresponding path program 1 times [2020-11-30 02:40:21,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:21,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61013148] [2020-11-30 02:40:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-11-30 02:40:21,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61013148] [2020-11-30 02:40:21,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:21,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:21,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717220716] [2020-11-30 02:40:21,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:21,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:21,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:21,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:21,654 INFO L87 Difference]: Start difference. First operand 861 states and 1318 transitions. Second operand 3 states. [2020-11-30 02:40:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:22,047 INFO L93 Difference]: Finished difference Result 1724 states and 2638 transitions. [2020-11-30 02:40:22,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:22,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-11-30 02:40:22,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:22,053 INFO L225 Difference]: With dead ends: 1724 [2020-11-30 02:40:22,053 INFO L226 Difference]: Without dead ends: 861 [2020-11-30 02:40:22,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-30 02:40:22,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 855. [2020-11-30 02:40:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2020-11-30 02:40:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1300 transitions. [2020-11-30 02:40:22,099 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1300 transitions. Word has length 174 [2020-11-30 02:40:22,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:22,100 INFO L481 AbstractCegarLoop]: Abstraction has 855 states and 1300 transitions. [2020-11-30 02:40:22,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1300 transitions. [2020-11-30 02:40:22,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-30 02:40:22,103 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:22,104 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:22,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 02:40:22,104 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:22,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1650706749, now seen corresponding path program 1 times [2020-11-30 02:40:22,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:22,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120742586] [2020-11-30 02:40:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-11-30 02:40:22,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120742586] [2020-11-30 02:40:22,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:22,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:22,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648252502] [2020-11-30 02:40:22,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:22,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:22,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:22,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:22,199 INFO L87 Difference]: Start difference. First operand 855 states and 1300 transitions. Second operand 3 states. [2020-11-30 02:40:22,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:22,432 INFO L93 Difference]: Finished difference Result 1774 states and 2704 transitions. [2020-11-30 02:40:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:22,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-11-30 02:40:22,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:22,440 INFO L225 Difference]: With dead ends: 1774 [2020-11-30 02:40:22,440 INFO L226 Difference]: Without dead ends: 921 [2020-11-30 02:40:22,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:22,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-11-30 02:40:22,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2020-11-30 02:40:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-11-30 02:40:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1356 transitions. [2020-11-30 02:40:22,485 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1356 transitions. Word has length 188 [2020-11-30 02:40:22,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:22,486 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1356 transitions. [2020-11-30 02:40:22,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1356 transitions. [2020-11-30 02:40:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 02:40:22,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:22,490 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:22,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 02:40:22,490 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:22,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:22,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1936083818, now seen corresponding path program 1 times [2020-11-30 02:40:22,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:22,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835920255] [2020-11-30 02:40:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-11-30 02:40:22,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835920255] [2020-11-30 02:40:22,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:22,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:22,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691171655] [2020-11-30 02:40:22,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:22,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:22,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:22,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:22,578 INFO L87 Difference]: Start difference. First operand 901 states and 1356 transitions. Second operand 3 states. [2020-11-30 02:40:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:22,837 INFO L93 Difference]: Finished difference Result 1820 states and 2742 transitions. [2020-11-30 02:40:22,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:22,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-30 02:40:22,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:22,845 INFO L225 Difference]: With dead ends: 1820 [2020-11-30 02:40:22,845 INFO L226 Difference]: Without dead ends: 921 [2020-11-30 02:40:22,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:22,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-11-30 02:40:22,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2020-11-30 02:40:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-11-30 02:40:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1338 transitions. [2020-11-30 02:40:22,910 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1338 transitions. Word has length 189 [2020-11-30 02:40:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:22,910 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1338 transitions. [2020-11-30 02:40:22,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1338 transitions. [2020-11-30 02:40:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-30 02:40:22,915 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:22,915 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, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:22,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 02:40:22,915 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash -586778498, now seen corresponding path program 1 times [2020-11-30 02:40:22,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:22,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125959589] [2020-11-30 02:40:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-11-30 02:40:22,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125959589] [2020-11-30 02:40:22,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:22,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:22,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074108017] [2020-11-30 02:40:22,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:22,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:22,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:22,996 INFO L87 Difference]: Start difference. First operand 901 states and 1338 transitions. Second operand 3 states. [2020-11-30 02:40:23,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:23,252 INFO L93 Difference]: Finished difference Result 1808 states and 2684 transitions. [2020-11-30 02:40:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:23,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-11-30 02:40:23,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:23,258 INFO L225 Difference]: With dead ends: 1808 [2020-11-30 02:40:23,258 INFO L226 Difference]: Without dead ends: 909 [2020-11-30 02:40:23,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-11-30 02:40:23,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 901. [2020-11-30 02:40:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-11-30 02:40:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1326 transitions. [2020-11-30 02:40:23,324 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1326 transitions. Word has length 203 [2020-11-30 02:40:23,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:23,325 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1326 transitions. [2020-11-30 02:40:23,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1326 transitions. [2020-11-30 02:40:23,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-30 02:40:23,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:23,331 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, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:23,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 02:40:23,332 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:23,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:23,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1460162432, now seen corresponding path program 1 times [2020-11-30 02:40:23,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:23,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814419111] [2020-11-30 02:40:23,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-11-30 02:40:23,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814419111] [2020-11-30 02:40:23,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:23,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:23,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741578942] [2020-11-30 02:40:23,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:23,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:23,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:23,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:23,405 INFO L87 Difference]: Start difference. First operand 901 states and 1326 transitions. Second operand 3 states. [2020-11-30 02:40:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:23,639 INFO L93 Difference]: Finished difference Result 1808 states and 2660 transitions. [2020-11-30 02:40:23,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:23,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-30 02:40:23,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:23,645 INFO L225 Difference]: With dead ends: 1808 [2020-11-30 02:40:23,645 INFO L226 Difference]: Without dead ends: 891 [2020-11-30 02:40:23,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:23,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-11-30 02:40:23,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 874. [2020-11-30 02:40:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-11-30 02:40:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1279 transitions. [2020-11-30 02:40:23,691 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1279 transitions. Word has length 204 [2020-11-30 02:40:23,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:23,691 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 1279 transitions. [2020-11-30 02:40:23,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1279 transitions. [2020-11-30 02:40:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-30 02:40:23,695 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:23,695 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:23,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-30 02:40:23,696 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:23,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:23,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1031437423, now seen corresponding path program 1 times [2020-11-30 02:40:23,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:23,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748341631] [2020-11-30 02:40:23,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-11-30 02:40:23,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748341631] [2020-11-30 02:40:23,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:23,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:23,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144203373] [2020-11-30 02:40:23,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:23,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:23,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:23,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:23,779 INFO L87 Difference]: Start difference. First operand 874 states and 1279 transitions. Second operand 3 states. [2020-11-30 02:40:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:24,026 INFO L93 Difference]: Finished difference Result 1773 states and 2597 transitions. [2020-11-30 02:40:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:24,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-30 02:40:24,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:24,032 INFO L225 Difference]: With dead ends: 1773 [2020-11-30 02:40:24,032 INFO L226 Difference]: Without dead ends: 901 [2020-11-30 02:40:24,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:24,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-11-30 02:40:24,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 895. [2020-11-30 02:40:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-11-30 02:40:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1293 transitions. [2020-11-30 02:40:24,085 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1293 transitions. Word has length 207 [2020-11-30 02:40:24,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:24,085 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1293 transitions. [2020-11-30 02:40:24,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1293 transitions. [2020-11-30 02:40:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-11-30 02:40:24,090 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:24,090 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:24,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-30 02:40:24,091 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:24,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:24,091 INFO L82 PathProgramCache]: Analyzing trace with hash 5760982, now seen corresponding path program 1 times [2020-11-30 02:40:24,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:24,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349327669] [2020-11-30 02:40:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-11-30 02:40:24,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349327669] [2020-11-30 02:40:24,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:24,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:24,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800740610] [2020-11-30 02:40:24,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:24,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:24,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:24,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:24,180 INFO L87 Difference]: Start difference. First operand 895 states and 1293 transitions. Second operand 3 states. [2020-11-30 02:40:24,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:24,419 INFO L93 Difference]: Finished difference Result 1794 states and 2592 transitions. [2020-11-30 02:40:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:24,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-11-30 02:40:24,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:24,424 INFO L225 Difference]: With dead ends: 1794 [2020-11-30 02:40:24,424 INFO L226 Difference]: Without dead ends: 893 [2020-11-30 02:40:24,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-11-30 02:40:24,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 883. [2020-11-30 02:40:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-11-30 02:40:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1259 transitions. [2020-11-30 02:40:24,473 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1259 transitions. Word has length 208 [2020-11-30 02:40:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:24,473 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1259 transitions. [2020-11-30 02:40:24,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1259 transitions. [2020-11-30 02:40:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-30 02:40:24,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:24,478 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:24,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 02:40:24,478 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:24,479 INFO L82 PathProgramCache]: Analyzing trace with hash -2100323558, now seen corresponding path program 1 times [2020-11-30 02:40:24,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:24,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048590696] [2020-11-30 02:40:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-11-30 02:40:24,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048590696] [2020-11-30 02:40:24,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168641243] [2020-11-30 02:40:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/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 [2020-11-30 02:40:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:24,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 02:40:24,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:40:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-11-30 02:40:24,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:40:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-11-30 02:40:24,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1799841772] [2020-11-30 02:40:24,945 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2020-11-30 02:40:24,945 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 02:40:24,950 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 02:40:24,955 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 02:40:24,956 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 02:40:25,425 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-11-30 02:40:25,960 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-11-30 02:40:26,400 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 221 [2020-11-30 02:40:26,724 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2020-11-30 02:40:27,711 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2020-11-30 02:40:27,902 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 228 [2020-11-30 02:40:31,540 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:40:31,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 02:40:31,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-11-30 02:40:31,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824934576] [2020-11-30 02:40:31,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:40:31,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:31,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:40:31,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:40:31,545 INFO L87 Difference]: Start difference. First operand 883 states and 1259 transitions. Second operand 6 states. [2020-11-30 02:40:32,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:32,331 INFO L93 Difference]: Finished difference Result 2645 states and 3759 transitions. [2020-11-30 02:40:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:40:32,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2020-11-30 02:40:32,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:32,343 INFO L225 Difference]: With dead ends: 2645 [2020-11-30 02:40:32,344 INFO L226 Difference]: Without dead ends: 1742 [2020-11-30 02:40:32,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:40:32,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2020-11-30 02:40:32,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1007. [2020-11-30 02:40:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1007 states. [2020-11-30 02:40:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1411 transitions. [2020-11-30 02:40:32,436 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1411 transitions. Word has length 238 [2020-11-30 02:40:32,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:32,436 INFO L481 AbstractCegarLoop]: Abstraction has 1007 states and 1411 transitions. [2020-11-30 02:40:32,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:40:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1411 transitions. [2020-11-30 02:40:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-30 02:40:32,441 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:32,442 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-30 02:40:32,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-30 02:40:32,667 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:32,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:32,667 INFO L82 PathProgramCache]: Analyzing trace with hash -35980405, now seen corresponding path program 1 times [2020-11-30 02:40:32,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:32,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142573184] [2020-11-30 02:40:32,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 368 proven. 125 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-11-30 02:40:32,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142573184] [2020-11-30 02:40:32,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816120870] [2020-11-30 02:40:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/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 [2020-11-30 02:40:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:33,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 02:40:33,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:40:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 317 proven. 176 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-11-30 02:40:33,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:40:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 368 proven. 125 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-11-30 02:40:33,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [167537660] [2020-11-30 02:40:33,363 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2020-11-30 02:40:33,363 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 02:40:33,364 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 02:40:33,364 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 02:40:33,364 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 02:40:34,037 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-11-30 02:40:34,482 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2020-11-30 02:40:36,453 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:40:36,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 02:40:36,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2020-11-30 02:40:36,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168438835] [2020-11-30 02:40:36,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:40:36,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:36,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:40:36,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:40:36,458 INFO L87 Difference]: Start difference. First operand 1007 states and 1411 transitions. Second operand 8 states. [2020-11-30 02:40:37,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:37,680 INFO L93 Difference]: Finished difference Result 2990 states and 4176 transitions. [2020-11-30 02:40:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 02:40:37,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 247 [2020-11-30 02:40:37,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:37,689 INFO L225 Difference]: With dead ends: 2990 [2020-11-30 02:40:37,690 INFO L226 Difference]: Without dead ends: 1363 [2020-11-30 02:40:37,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:40:37,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-11-30 02:40:37,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1312. [2020-11-30 02:40:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1312 states. [2020-11-30 02:40:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1770 transitions. [2020-11-30 02:40:37,777 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1770 transitions. Word has length 247 [2020-11-30 02:40:37,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:37,778 INFO L481 AbstractCegarLoop]: Abstraction has 1312 states and 1770 transitions. [2020-11-30 02:40:37,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:40:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1770 transitions. [2020-11-30 02:40:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-30 02:40:37,784 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:37,784 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:38,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:40:38,011 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:38,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:38,011 INFO L82 PathProgramCache]: Analyzing trace with hash -2030074773, now seen corresponding path program 1 times [2020-11-30 02:40:38,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:38,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575547627] [2020-11-30 02:40:38,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-11-30 02:40:38,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575547627] [2020-11-30 02:40:38,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572220780] [2020-11-30 02:40:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:40:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:38,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 02:40:38,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:40:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-11-30 02:40:38,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:40:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 446 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2020-11-30 02:40:39,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1557258071] [2020-11-30 02:40:39,009 INFO L159 IcfgInterpreter]: Started Sifa with 74 locations of interest [2020-11-30 02:40:39,009 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 02:40:39,010 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 02:40:39,010 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 02:40:39,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 02:40:43,005 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 227 [2020-11-30 02:40:43,902 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-11-30 02:40:45,982 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:40:45,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 02:40:45,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 3] total 7 [2020-11-30 02:40:45,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502779626] [2020-11-30 02:40:45,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:40:45,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:45,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:40:45,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:40:45,985 INFO L87 Difference]: Start difference. First operand 1312 states and 1770 transitions. Second operand 8 states. [2020-11-30 02:40:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:46,241 INFO L93 Difference]: Finished difference Result 3260 states and 4352 transitions. [2020-11-30 02:40:46,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:40:46,242 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 330 [2020-11-30 02:40:46,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:46,257 INFO L225 Difference]: With dead ends: 3260 [2020-11-30 02:40:46,258 INFO L226 Difference]: Without dead ends: 2776 [2020-11-30 02:40:46,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 655 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:40:46,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2020-11-30 02:40:46,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2336. [2020-11-30 02:40:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2336 states. [2020-11-30 02:40:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3126 transitions. [2020-11-30 02:40:46,398 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3126 transitions. Word has length 330 [2020-11-30 02:40:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:46,398 INFO L481 AbstractCegarLoop]: Abstraction has 2336 states and 3126 transitions. [2020-11-30 02:40:46,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:40:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3126 transitions. [2020-11-30 02:40:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2020-11-30 02:40:46,403 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:46,404 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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] [2020-11-30 02:40:46,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable376,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:40:46,618 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:46,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:46,619 INFO L82 PathProgramCache]: Analyzing trace with hash -970222320, now seen corresponding path program 1 times [2020-11-30 02:40:46,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:46,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216832923] [2020-11-30 02:40:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1159 proven. 521 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-11-30 02:40:47,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216832923] [2020-11-30 02:40:47,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304508566] [2020-11-30 02:40:47,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:40:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:47,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 02:40:47,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:40:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1068 proven. 691 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2020-11-30 02:40:47,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:40:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1191 proven. 568 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2020-11-30 02:40:47,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [184112125] [2020-11-30 02:40:47,878 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2020-11-30 02:40:47,878 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 02:40:47,879 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 02:40:47,879 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 02:40:47,879 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 02:40:48,778 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-11-30 02:40:54,044 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:40:54,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 02:40:54,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2020-11-30 02:40:54,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750136534] [2020-11-30 02:40:54,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-30 02:40:54,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:54,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-30 02:40:54,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:40:54,046 INFO L87 Difference]: Start difference. First operand 2336 states and 3126 transitions. Second operand 13 states. [2020-11-30 02:40:55,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:55,380 INFO L93 Difference]: Finished difference Result 4214 states and 5647 transitions. [2020-11-30 02:40:55,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 02:40:55,380 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 469 [2020-11-30 02:40:55,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:55,392 INFO L225 Difference]: With dead ends: 4214 [2020-11-30 02:40:55,393 INFO L226 Difference]: Without dead ends: 2151 [2020-11-30 02:40:55,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 941 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2020-11-30 02:40:55,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2020-11-30 02:40:55,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 861. [2020-11-30 02:40:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-30 02:40:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1122 transitions. [2020-11-30 02:40:55,475 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1122 transitions. Word has length 469 [2020-11-30 02:40:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:55,478 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1122 transitions. [2020-11-30 02:40:55,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-30 02:40:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1122 transitions. [2020-11-30 02:40:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-11-30 02:40:55,484 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:55,485 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:55,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable631 [2020-11-30 02:40:55,699 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:55,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:55,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1172420311, now seen corresponding path program 2 times [2020-11-30 02:40:55,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:55,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117503092] [2020-11-30 02:40:55,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 2768 proven. 0 refuted. 0 times theorem prover too weak. 2217 trivial. 0 not checked. [2020-11-30 02:40:56,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117503092] [2020-11-30 02:40:56,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:56,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:40:56,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369074081] [2020-11-30 02:40:56,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:56,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:56,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:56,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:56,045 INFO L87 Difference]: Start difference. First operand 861 states and 1122 transitions. Second operand 3 states. [2020-11-30 02:40:56,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:56,305 INFO L93 Difference]: Finished difference Result 1308 states and 1702 transitions. [2020-11-30 02:40:56,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:56,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 621 [2020-11-30 02:40:56,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:56,311 INFO L225 Difference]: With dead ends: 1308 [2020-11-30 02:40:56,311 INFO L226 Difference]: Without dead ends: 877 [2020-11-30 02:40:56,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:56,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-11-30 02:40:56,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 861. [2020-11-30 02:40:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-30 02:40:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1112 transitions. [2020-11-30 02:40:56,370 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1112 transitions. Word has length 621 [2020-11-30 02:40:56,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:56,371 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1112 transitions. [2020-11-30 02:40:56,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1112 transitions. [2020-11-30 02:40:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-11-30 02:40:56,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:56,377 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:56,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable953 [2020-11-30 02:40:56,377 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:56,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:56,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1951604588, now seen corresponding path program 1 times [2020-11-30 02:40:56,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:56,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074604214] [2020-11-30 02:40:56,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5098 backedges. 2749 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2020-11-30 02:40:56,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074604214] [2020-11-30 02:40:56,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:56,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:40:56,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151336500] [2020-11-30 02:40:56,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:56,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:56,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:56,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:56,792 INFO L87 Difference]: Start difference. First operand 861 states and 1112 transitions. Second operand 3 states. [2020-11-30 02:40:57,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:57,018 INFO L93 Difference]: Finished difference Result 1720 states and 2222 transitions. [2020-11-30 02:40:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:57,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-11-30 02:40:57,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:57,026 INFO L225 Difference]: With dead ends: 1720 [2020-11-30 02:40:57,027 INFO L226 Difference]: Without dead ends: 861 [2020-11-30 02:40:57,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:57,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-30 02:40:57,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-30 02:40:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-30 02:40:57,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1104 transitions. [2020-11-30 02:40:57,082 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1104 transitions. Word has length 633 [2020-11-30 02:40:57,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:57,083 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1104 transitions. [2020-11-30 02:40:57,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1104 transitions. [2020-11-30 02:40:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-11-30 02:40:57,089 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:57,089 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 02:40:57,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable954 [2020-11-30 02:40:57,090 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:57,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:57,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2116423363, now seen corresponding path program 2 times [2020-11-30 02:40:57,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:57,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010220117] [2020-11-30 02:40:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5539 backedges. 3065 proven. 0 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2020-11-30 02:40:57,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010220117] [2020-11-30 02:40:57,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:57,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:40:57,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852001690] [2020-11-30 02:40:57,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:57,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:57,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:57,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:57,468 INFO L87 Difference]: Start difference. First operand 861 states and 1104 transitions. Second operand 3 states. [2020-11-30 02:40:57,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:57,679 INFO L93 Difference]: Finished difference Result 1738 states and 2231 transitions. [2020-11-30 02:40:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:57,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 661 [2020-11-30 02:40:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:57,684 INFO L225 Difference]: With dead ends: 1738 [2020-11-30 02:40:57,685 INFO L226 Difference]: Without dead ends: 873 [2020-11-30 02:40:57,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:57,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2020-11-30 02:40:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2020-11-30 02:40:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2020-11-30 02:40:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1114 transitions. [2020-11-30 02:40:57,744 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1114 transitions. Word has length 661 [2020-11-30 02:40:57,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:57,745 INFO L481 AbstractCegarLoop]: Abstraction has 873 states and 1114 transitions. [2020-11-30 02:40:57,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1114 transitions. [2020-11-30 02:40:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-11-30 02:40:57,751 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:57,751 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:57,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable955 [2020-11-30 02:40:57,751 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:57,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:57,752 INFO L82 PathProgramCache]: Analyzing trace with hash 807962261, now seen corresponding path program 1 times [2020-11-30 02:40:57,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:57,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897530233] [2020-11-30 02:40:57,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5681 backedges. 3075 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2020-11-30 02:40:58,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897530233] [2020-11-30 02:40:58,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:58,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:40:58,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708740568] [2020-11-30 02:40:58,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:58,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:58,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:58,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:58,100 INFO L87 Difference]: Start difference. First operand 873 states and 1114 transitions. Second operand 3 states. [2020-11-30 02:40:58,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:58,303 INFO L93 Difference]: Finished difference Result 1314 states and 1677 transitions. [2020-11-30 02:40:58,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:58,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 674 [2020-11-30 02:40:58,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:58,305 INFO L225 Difference]: With dead ends: 1314 [2020-11-30 02:40:58,305 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:40:58,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:58,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:40:58,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:40:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:40:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:40:58,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 674 [2020-11-30 02:40:58,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:58,307 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:40:58,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:40:58,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:40:58,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable956 [2020-11-30 02:40:58,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:40:58,745 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 180 [2020-11-30 02:40:58,998 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 129 [2020-11-30 02:40:59,304 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 180 [2020-11-30 02:40:59,835 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 180 [2020-11-30 02:41:00,027 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 180 [2020-11-30 02:41:00,370 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-30 02:41:00,976 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-11-30 02:41:01,398 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-11-30 02:41:02,742 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 156 DAG size of output: 100 [2020-11-30 02:41:02,994 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-11-30 02:41:03,286 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 53 [2020-11-30 02:41:03,564 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-11-30 02:41:03,840 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 54 [2020-11-30 02:41:04,224 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2020-11-30 02:41:05,407 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2020-11-30 02:41:06,792 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 156 DAG size of output: 105 [2020-11-30 02:41:07,074 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-11-30 02:41:07,469 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2020-11-30 02:41:07,772 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 53 [2020-11-30 02:41:08,104 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-30 02:41:08,406 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-11-30 02:41:08,682 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2020-11-30 02:41:08,847 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 17 [2020-11-30 02:41:09,675 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 96 [2020-11-30 02:41:10,962 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 156 DAG size of output: 100 [2020-11-30 02:41:11,344 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-11-30 02:41:12,609 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 156 DAG size of output: 100 [2020-11-30 02:41:12,898 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-11-30 02:41:12,901 INFO L270 CegarLoopResult]: At program point L135(lines 128 622) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 02:41:12,901 INFO L274 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-11-30 02:41:12,901 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-11-30 02:41:12,901 INFO L274 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-11-30 02:41:12,902 INFO L274 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 02:41:12,902 INFO L270 CegarLoopResult]: At program point L203(lines 203 597) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse0))) [2020-11-30 02:41:12,902 INFO L274 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-11-30 02:41:12,902 INFO L274 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-11-30 02:41:12,902 INFO L270 CegarLoopResult]: At program point L104(lines 104 630) the Hoare annotation is: (let ((.cse1 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse15 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse18 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse0 .cse8 .cse9 .cse10 .cse11 .cse1) (and .cse2 .cse4 .cse12 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .cse13 .cse3 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse9 .cse10 .cse11) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse2 .cse14 .cse4 .cse15 .cse6 .cse7 .cse0 .cse8 .cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse16 .cse5 .cse17 .cse9 .cse10 .cse11) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not .cse18)) (and .cse2 .cse14 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse15 .cse6 .cse7 .cse0 .cse8 .cse3 .cse16 .cse5 .cse17 .cse9 .cse10 .cse11) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse18 .cse8 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse13 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)))) [2020-11-30 02:41:12,902 INFO L274 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-11-30 02:41:12,902 INFO L274 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-11-30 02:41:12,902 INFO L274 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L270 CegarLoopResult]: At program point L204(lines 200 598) the Hoare annotation is: (or (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0))) [2020-11-30 02:41:12,903 INFO L274 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L274 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L274 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L274 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L274 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L274 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 02:41:12,903 INFO L270 CegarLoopResult]: At program point L174(lines 170 608) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 02:41:12,904 INFO L270 CegarLoopResult]: At program point L141(lines 137 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L270 CegarLoopResult]: At program point L406(lines 397 417) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-11-30 02:41:12,904 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-30 02:41:12,905 INFO L274 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-11-30 02:41:12,905 INFO L274 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-11-30 02:41:12,905 INFO L274 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-11-30 02:41:12,905 INFO L274 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-11-30 02:41:12,905 INFO L270 CegarLoopResult]: At program point L180(lines 176 606) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse16 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 02:41:12,905 INFO L270 CegarLoopResult]: At program point L147(lines 143 617) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (let ((.cse13 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse13 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12)))))) [2020-11-30 02:41:12,905 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L270 CegarLoopResult]: At program point L214(lines 107 629) the Hoare annotation is: (let ((.cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529)) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))))) [2020-11-30 02:41:12,906 INFO L277 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:41:12,906 INFO L274 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-11-30 02:41:12,907 INFO L274 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-11-30 02:41:12,907 INFO L274 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-11-30 02:41:12,907 INFO L274 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-11-30 02:41:12,907 INFO L274 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-11-30 02:41:12,907 INFO L274 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-11-30 02:41:12,907 INFO L270 CegarLoopResult]: At program point L186(lines 182 604) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse13 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse16 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17))) [2020-11-30 02:41:12,907 INFO L270 CegarLoopResult]: At program point L153(lines 149 615) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-11-30 02:41:12,907 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L270 CegarLoopResult]: At program point L123(lines 119 625) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-11-30 02:41:12,908 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L274 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L274 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L274 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L274 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L274 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-11-30 02:41:12,909 INFO L270 CegarLoopResult]: At program point L125(lines 125 623) the Hoare annotation is: (let ((.cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse14 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse16 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse9 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse6 .cse10 .cse11) (and .cse0 .cse2 .cse12 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse11 .cse13 .cse1 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse8 .cse9 .cse10) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) (or (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse13 .cse3 .cse14))) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 (not .cse14)) (and .cse0 .cse15 .cse2 .cse16 .cse4 .cse5 .cse6 .cse7 .cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse17 .cse3 .cse18 .cse8 .cse9 .cse10) (and .cse0 .cse15 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse16 .cse4 .cse5 .cse6 .cse7 .cse1 .cse17 .cse3 .cse18 .cse8 .cse9 .cse10) (and .cse13 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)))) [2020-11-30 02:41:12,909 INFO L270 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: false [2020-11-30 02:41:12,910 INFO L274 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-11-30 02:41:12,910 INFO L270 CegarLoopResult]: At program point L192(lines 188 602) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2020-11-30 02:41:12,910 INFO L270 CegarLoopResult]: At program point L159(lines 155 613) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-11-30 02:41:12,910 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-11-30 02:41:12,910 INFO L274 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-11-30 02:41:12,910 INFO L274 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-11-30 02:41:12,910 INFO L274 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-11-30 02:41:12,910 INFO L274 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-11-30 02:41:12,911 INFO L270 CegarLoopResult]: At program point L593(lines 101 661) the Hoare annotation is: (let ((.cse1 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse15 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse18 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse0 .cse8 .cse9 .cse10 .cse11 .cse1) (and .cse2 .cse4 .cse12 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .cse13 .cse3 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse9 .cse10 .cse11) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse2 .cse14 .cse4 .cse15 .cse6 .cse7 .cse0 .cse8 .cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse16 .cse5 .cse17 .cse9 .cse10 .cse11) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not .cse18)) (and .cse2 .cse14 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse15 .cse6 .cse7 .cse0 .cse8 .cse3 .cse16 .cse5 .cse17 .cse9 .cse10 .cse11) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse18 .cse8 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse13 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)))) [2020-11-30 02:41:12,911 INFO L274 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-11-30 02:41:12,911 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-11-30 02:41:12,911 INFO L270 CegarLoopResult]: At program point L362(lines 344 380) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-11-30 02:41:12,911 INFO L274 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-11-30 02:41:12,911 INFO L274 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-11-30 02:41:12,911 INFO L274 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-11-30 02:41:12,911 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:41:12,912 INFO L274 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-11-30 02:41:12,912 INFO L274 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 02:41:12,912 INFO L270 CegarLoopResult]: At program point L396(lines 387 418) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-11-30 02:41:12,912 INFO L274 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-11-30 02:41:12,912 INFO L270 CegarLoopResult]: At program point L198(lines 194 600) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse5 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse7 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (.cse14 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse16 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse18 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse21 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)))) (or (and (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (and .cse0 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 02:41:12,912 INFO L270 CegarLoopResult]: At program point L165(lines 161 611) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-11-30 02:41:12,913 INFO L274 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-11-30 02:41:12,913 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-11-30 02:41:12,913 INFO L277 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-11-30 02:41:12,913 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-11-30 02:41:12,913 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-30 02:41:12,913 INFO L274 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-11-30 02:41:12,913 INFO L270 CegarLoopResult]: At program point L167(lines 167 609) the Hoare annotation is: (let ((.cse21 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse18 (not .cse21)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse22 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse23 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse6 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse19 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656) .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse1 .cse2 .cse4 .cse3 .cse5 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse13 .cse19 .cse15 .cse17 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse20 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse10 .cse13 .cse21 .cse15 .cse17 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse4 .cse3 .cse5 .cse20 .cse22 .cse8 .cse10 .cse13 .cse15 .cse17) (and .cse23 .cse24 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse19) (and .cse1 .cse24 .cse2 .cse3 .cse4 .cse5 .cse25 .cse6 .cse26 .cse22 .cse23 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse17) (and .cse1 .cse0 .cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) .cse2 .cse4 .cse3 .cse5 .cse25 .cse6 .cse26 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse16 .cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))))) [2020-11-30 02:41:12,913 INFO L274 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-11-30 02:41:12,914 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 661) the Hoare annotation is: (let ((.cse1 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse15 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse10 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse18 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (< ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse0 .cse8 .cse9 .cse10 .cse11 .cse1) (and .cse2 .cse4 .cse12 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .cse13 .cse3 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse9 .cse10 .cse11) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse2 .cse14 .cse4 .cse15 .cse6 .cse7 .cse0 .cse8 .cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse16 .cse5 .cse17 .cse9 .cse10 .cse11) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (not .cse18)) (and .cse2 .cse14 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse15 .cse6 .cse7 .cse0 .cse8 .cse3 .cse16 .cse5 .cse17 .cse9 .cse10 .cse11) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse18 .cse8 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse13 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)))) [2020-11-30 02:41:12,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:41:12 BoogieIcfgContainer [2020-11-30 02:41:12,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:41:12,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:41:12,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:41:12,981 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:41:12,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:40:13" (3/4) ... [2020-11-30 02:41:12,984 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:41:13,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2020-11-30 02:41:13,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 02:41:13,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 02:41:13,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:41:13,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5b176c4d-ea25-4a69-a733-c97a8587a59d/bin/utaipan/witness.graphml [2020-11-30 02:41:13,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:41:13,143 INFO L168 Benchmark]: Toolchain (without parser) took 61656.71 ms. Allocated memory was 113.2 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 86.0 MB in the beginning and 844.1 MB in the end (delta: -758.2 MB). Peak memory consumption was 604.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:13,143 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:41:13,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.01 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 84.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:13,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.60 ms. Allocated memory is still 113.2 MB. Free memory was 84.5 MB in the beginning and 81.6 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:41:13,144 INFO L168 Benchmark]: Boogie Preprocessor took 54.97 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 79.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:13,147 INFO L168 Benchmark]: RCFGBuilder took 1352.30 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 79.5 MB in the beginning and 81.6 MB in the end (delta: -2.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:13,147 INFO L168 Benchmark]: TraceAbstraction took 59598.94 ms. Allocated memory was 159.4 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 81.6 MB in the beginning and 858.8 MB in the end (delta: -777.3 MB). Peak memory consumption was 841.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:13,149 INFO L168 Benchmark]: Witness Printer took 161.52 ms. Allocated memory is still 1.5 GB. Free memory was 858.8 MB in the beginning and 844.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:13,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.01 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 84.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.60 ms. Allocated memory is still 113.2 MB. Free memory was 84.5 MB in the beginning and 81.6 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.97 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 79.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1352.30 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 79.5 MB in the beginning and 81.6 MB in the end (delta: -2.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 59598.94 ms. Allocated memory was 159.4 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 81.6 MB in the beginning and 858.8 MB in the end (delta: -777.3 MB). Peak memory consumption was 841.6 MB. Max. memory is 16.1 GB. * Witness Printer took 161.52 ms. Allocated memory is still 1.5 GB. Free memory was 858.8 MB in the beginning and 844.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(8577 == s__state)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) && 8448 <= s__state) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (blastFlag <= 3 && !(s__hit == 0))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((3 == s__s3__tmp__next_state___0 && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) && !(blastFlag == 4))) || (((s__s3__tmp__next_state___0 < 8640 && 3 == blastFlag) && s__state <= 8672) && 8672 <= s__state) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) || (((s__s3__tmp__next_state___0 < 8640 && 3 == blastFlag) && s__state <= 8672) && 8672 <= s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__hit == 0)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((s__s3__tmp__next_state___0 < 8640 && s__state <= 8672) && (((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) || ((((((((((((((((((((((((!(s__state == 8592) && 3 == blastFlag) && !(s__state == 8480)) && !(8560 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)))) && 8448 <= s__state) || (((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8528)) && s__state < 8656) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(s__state == 8481)) && !(blastFlag == 4))) || ((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481))) || ((((s__s3__tmp__next_state___0 < 8640 && !(s__state == 8673)) && 3 == blastFlag) && 8672 <= s__state) && !(12292 == s__state))) || (((((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8481))) || (((((((((((((((((((((((!(s__state == 8545) && !(s__state == 8592)) && !(s__state == 8673)) && !(s__state == 8640)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag) || ((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || (s__state <= 8448 && (((3 == s__s3__tmp__next_state___0 && s__hit == 0) && !(blastFlag == 4)) || ((s__s3__tmp__next_state___0 < 8640 && !(8448 == s__state)) && s__hit == 0)))) || ((((blastFlag <= 3 && !(s__state == 8480)) && !(12292 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((s__s3__tmp__next_state___0 < 8640 && 3 == blastFlag) && s__state <= 8672) && 8672 <= s__state) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)) && !(s__hit == 0)) || (8448 <= s__state && (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__state == 8512) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)))) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(8577 == s__state)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8608)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8608)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8496 == s__state)) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && s__state < 8656) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8496 == s__state)) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && s__state < 8656) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((blastFlag <= 3 && !(s__state == 8672)) && !(s__hit == 0)) || (!(s__state == 8673) && !(s__state == 8672)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) || (s__state <= 8448 && (((blastFlag == 1 && !(8448 == s__state)) || (blastFlag == 0 && !(8448 == s__state))) || (!(8448 == s__state) && 2 == blastFlag))) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (blastFlag <= 3 && !(s__hit == 0))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((3 == s__s3__tmp__next_state___0 && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) && !(blastFlag == 4))) || (((s__s3__tmp__next_state___0 < 8640 && 3 == blastFlag) && s__state <= 8672) && 8672 <= s__state) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) && 8448 <= s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (blastFlag <= 3 && !(s__hit == 0))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((3 == s__s3__tmp__next_state___0 && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) && !(blastFlag == 4))) || (((s__s3__tmp__next_state___0 < 8640 && 3 == blastFlag) && s__state <= 8672) && 8672 <= s__state) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8640) && !(8496 == s__state)) && !(8593 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8496 == s__state)) && !(8593 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.8s, OverallIterations: 35, TraceHistogramMax: 25, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4010 SDtfs, 4949 SDslu, 3474 SDs, 0 SdLazy, 5251 SolverSat, 1565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2896 GetRequests, 2810 SyntacticMatches, 7 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2336occurred in iteration=30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 35 MinimizatonAttempts, 2684 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 322 NumberOfFragments, 4361 HoareAnnotationTreeSize, 26 FomulaSimplifications, 130265 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 26 FomulaSimplificationsInter, 31460 FormulaSimplificationTreeSizeReductionInter, 12.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 8528 NumberOfCodeBlocks, 8528 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 9875 ConstructedInterpolants, 0 QuantifiedInterpolants, 6772763 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2404 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 45 InterpolantComputations, 31 PerfectInterpolantSequences, 37335/41234 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...