./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/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_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/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 0.2.0-7b2dab5 [2020-12-09 14:10:28,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:10:28,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:10:28,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:10:28,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:10:28,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:10:28,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:10:28,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:10:28,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:10:28,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:10:28,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:10:28,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:10:28,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:10:28,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:10:28,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:10:28,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:10:28,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:10:28,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:10:28,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:10:28,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:10:28,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:10:28,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:10:28,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:10:28,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:10:28,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:10:28,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:10:28,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:10:28,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:10:28,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:10:28,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:10:28,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:10:28,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:10:28,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:10:28,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:10:28,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:10:28,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:10:28,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:10:28,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:10:28,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:10:28,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:10:28,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:10:28,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 14:10:28,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:10:28,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:10:28,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:10:28,351 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:10:28,352 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:10:28,352 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:10:28,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:10:28,352 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:10:28,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:10:28,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:10:28,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:10:28,353 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:10:28,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:10:28,353 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:10:28,353 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:10:28,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:10:28,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:10:28,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:10:28,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:10:28,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:10:28,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:10:28,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:10:28,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:10:28,355 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:10:28,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:10:28,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:10:28,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:10:28,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:10:28,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:10:28,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:10:28,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:10:28,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:10:28,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:10:28,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:10:28,357 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:10:28,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:10:28,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:10:28,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:10:28,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:10:28,358 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_8186f6a5-28e4-4b50-8a34-a655ade85879/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-12-09 14:10:28,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:10:28,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:10:28,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:10:28,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:10:28,560 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:10:28,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-12-09 14:10:28,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/data/a0a863d31/f124e49137604226a6ba545a06ead17e/FLAGfcb86b6d6 [2020-12-09 14:10:28,979 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:10:28,980 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-12-09 14:10:28,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/data/a0a863d31/f124e49137604226a6ba545a06ead17e/FLAGfcb86b6d6 [2020-12-09 14:10:29,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/data/a0a863d31/f124e49137604226a6ba545a06ead17e [2020-12-09 14:10:29,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:10:29,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:10:29,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:10:29,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:10:29,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:10:29,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd8f101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29, skipping insertion in model container [2020-12-09 14:10:29,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:10:29,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:10:29,188 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c[44644,44657] [2020-12-09 14:10:29,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:10:29,200 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:10:29,236 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c[44644,44657] [2020-12-09 14:10:29,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:10:29,248 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:10:29,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29 WrapperNode [2020-12-09 14:10:29,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:10:29,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:10:29,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:10:29,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:10:29,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:10:29,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:10:29,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:10:29,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:10:29,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... [2020-12-09 14:10:29,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:10:29,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:10:29,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:10:29,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:10:29,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:10:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 14:10:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:10:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:10:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:10:29,476 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 14:10:29,828 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-09 14:10:29,828 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-09 14:10:30,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:10:30,031 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 14:10:30,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:10:30 BoogieIcfgContainer [2020-12-09 14:10:30,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:10:30,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:10:30,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:10:30,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:10:30,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:10:29" (1/3) ... [2020-12-09 14:10:30,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e183973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:10:30, skipping insertion in model container [2020-12-09 14:10:30,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:10:29" (2/3) ... [2020-12-09 14:10:30,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e183973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:10:30, skipping insertion in model container [2020-12-09 14:10:30,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:10:30" (3/3) ... [2020-12-09 14:10:30,039 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-12-09 14:10:30,048 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:10:30,051 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:10:30,058 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:10:30,075 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:10:30,075 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:10:30,075 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:10:30,076 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:10:30,076 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:10:30,076 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:10:30,076 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:10:30,076 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:10:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-12-09 14:10:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 14:10:30,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:30,093 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] [2020-12-09 14:10:30,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:30,097 INFO L82 PathProgramCache]: Analyzing trace with hash -149386332, now seen corresponding path program 1 times [2020-12-09 14:10:30,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:30,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060050066] [2020-12-09 14:10:30,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:30,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060050066] [2020-12-09 14:10:30,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:30,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:30,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70465309] [2020-12-09 14:10:30,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:30,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:30,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:30,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,283 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2020-12-09 14:10:30,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:30,470 INFO L93 Difference]: Finished difference Result 257 states and 452 transitions. [2020-12-09 14:10:30,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:30,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-09 14:10:30,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:30,479 INFO L225 Difference]: With dead ends: 257 [2020-12-09 14:10:30,479 INFO L226 Difference]: Without dead ends: 148 [2020-12-09 14:10:30,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-12-09 14:10:30,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2020-12-09 14:10:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-12-09 14:10:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 230 transitions. [2020-12-09 14:10:30,516 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 230 transitions. Word has length 39 [2020-12-09 14:10:30,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:30,516 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 230 transitions. [2020-12-09 14:10:30,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 230 transitions. [2020-12-09 14:10:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-09 14:10:30,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:30,518 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] [2020-12-09 14:10:30,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 14:10:30,519 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:30,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:30,519 INFO L82 PathProgramCache]: Analyzing trace with hash -342985104, now seen corresponding path program 1 times [2020-12-09 14:10:30,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:30,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5100161] [2020-12-09 14:10:30,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:30,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5100161] [2020-12-09 14:10:30,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:30,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:30,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308520051] [2020-12-09 14:10:30,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:30,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:30,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,572 INFO L87 Difference]: Start difference. First operand 142 states and 230 transitions. Second operand 3 states. [2020-12-09 14:10:30,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:30,709 INFO L93 Difference]: Finished difference Result 329 states and 542 transitions. [2020-12-09 14:10:30,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:30,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-09 14:10:30,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:30,712 INFO L225 Difference]: With dead ends: 329 [2020-12-09 14:10:30,712 INFO L226 Difference]: Without dead ends: 187 [2020-12-09 14:10:30,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-09 14:10:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2020-12-09 14:10:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-09 14:10:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 303 transitions. [2020-12-09 14:10:30,724 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 303 transitions. Word has length 40 [2020-12-09 14:10:30,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:30,725 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 303 transitions. [2020-12-09 14:10:30,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 303 transitions. [2020-12-09 14:10:30,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-09 14:10:30,727 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:30,727 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] [2020-12-09 14:10:30,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 14:10:30,727 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:30,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:30,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1285461663, now seen corresponding path program 1 times [2020-12-09 14:10:30,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:30,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058636036] [2020-12-09 14:10:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:30,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058636036] [2020-12-09 14:10:30,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:30,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:30,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545199952] [2020-12-09 14:10:30,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:30,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:30,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:30,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,775 INFO L87 Difference]: Start difference. First operand 181 states and 303 transitions. Second operand 3 states. [2020-12-09 14:10:30,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:30,884 INFO L93 Difference]: Finished difference Result 389 states and 658 transitions. [2020-12-09 14:10:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:30,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-09 14:10:30,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:30,886 INFO L225 Difference]: With dead ends: 389 [2020-12-09 14:10:30,886 INFO L226 Difference]: Without dead ends: 210 [2020-12-09 14:10:30,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-12-09 14:10:30,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2020-12-09 14:10:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-09 14:10:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 355 transitions. [2020-12-09 14:10:30,898 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 355 transitions. Word has length 66 [2020-12-09 14:10:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:30,898 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 355 transitions. [2020-12-09 14:10:30,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 355 transitions. [2020-12-09 14:10:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-09 14:10:30,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:30,901 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] [2020-12-09 14:10:30,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 14:10:30,902 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:30,902 INFO L82 PathProgramCache]: Analyzing trace with hash -156811887, now seen corresponding path program 1 times [2020-12-09 14:10:30,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:30,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237366279] [2020-12-09 14:10:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 14:10:30,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237366279] [2020-12-09 14:10:30,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:30,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:30,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246502812] [2020-12-09 14:10:30,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:30,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:30,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:30,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:30,942 INFO L87 Difference]: Start difference. First operand 210 states and 355 transitions. Second operand 3 states. [2020-12-09 14:10:31,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:31,024 INFO L93 Difference]: Finished difference Result 433 states and 732 transitions. [2020-12-09 14:10:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:31,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-09 14:10:31,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:31,026 INFO L225 Difference]: With dead ends: 433 [2020-12-09 14:10:31,026 INFO L226 Difference]: Without dead ends: 225 [2020-12-09 14:10:31,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-12-09 14:10:31,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-12-09 14:10:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-09 14:10:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 374 transitions. [2020-12-09 14:10:31,037 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 374 transitions. Word has length 77 [2020-12-09 14:10:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:31,038 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 374 transitions. [2020-12-09 14:10:31,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 374 transitions. [2020-12-09 14:10:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-09 14:10:31,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:31,040 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] [2020-12-09 14:10:31,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 14:10:31,041 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:31,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:31,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1386158081, now seen corresponding path program 1 times [2020-12-09 14:10:31,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:31,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027658901] [2020-12-09 14:10:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:31,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027658901] [2020-12-09 14:10:31,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:31,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:31,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437136435] [2020-12-09 14:10:31,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:31,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:31,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:31,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,098 INFO L87 Difference]: Start difference. First operand 223 states and 374 transitions. Second operand 3 states. [2020-12-09 14:10:31,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:31,208 INFO L93 Difference]: Finished difference Result 485 states and 819 transitions. [2020-12-09 14:10:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:31,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-09 14:10:31,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:31,210 INFO L225 Difference]: With dead ends: 485 [2020-12-09 14:10:31,210 INFO L226 Difference]: Without dead ends: 264 [2020-12-09 14:10:31,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-12-09 14:10:31,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 261. [2020-12-09 14:10:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-12-09 14:10:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 442 transitions. [2020-12-09 14:10:31,219 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 442 transitions. Word has length 77 [2020-12-09 14:10:31,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:31,220 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 442 transitions. [2020-12-09 14:10:31,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 442 transitions. [2020-12-09 14:10:31,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-09 14:10:31,221 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:31,221 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] [2020-12-09 14:10:31,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 14:10:31,221 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:31,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash -752487006, now seen corresponding path program 1 times [2020-12-09 14:10:31,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:31,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900177516] [2020-12-09 14:10:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 14:10:31,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900177516] [2020-12-09 14:10:31,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:31,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:31,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848741141] [2020-12-09 14:10:31,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:31,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:31,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:31,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,255 INFO L87 Difference]: Start difference. First operand 261 states and 442 transitions. Second operand 3 states. [2020-12-09 14:10:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:31,351 INFO L93 Difference]: Finished difference Result 522 states and 884 transitions. [2020-12-09 14:10:31,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:31,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-09 14:10:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:31,353 INFO L225 Difference]: With dead ends: 522 [2020-12-09 14:10:31,354 INFO L226 Difference]: Without dead ends: 263 [2020-12-09 14:10:31,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-12-09 14:10:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2020-12-09 14:10:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-12-09 14:10:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 438 transitions. [2020-12-09 14:10:31,363 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 438 transitions. Word has length 78 [2020-12-09 14:10:31,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:31,363 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 438 transitions. [2020-12-09 14:10:31,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 438 transitions. [2020-12-09 14:10:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-09 14:10:31,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:31,365 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] [2020-12-09 14:10:31,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 14:10:31,365 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:31,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:31,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1227270547, now seen corresponding path program 1 times [2020-12-09 14:10:31,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:31,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006823554] [2020-12-09 14:10:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:31,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006823554] [2020-12-09 14:10:31,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:31,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:31,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805281861] [2020-12-09 14:10:31,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:31,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:31,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:31,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,412 INFO L87 Difference]: Start difference. First operand 261 states and 438 transitions. Second operand 3 states. [2020-12-09 14:10:31,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:31,543 INFO L93 Difference]: Finished difference Result 523 states and 877 transitions. [2020-12-09 14:10:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:31,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-09 14:10:31,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:31,545 INFO L225 Difference]: With dead ends: 523 [2020-12-09 14:10:31,545 INFO L226 Difference]: Without dead ends: 262 [2020-12-09 14:10:31,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-12-09 14:10:31,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2020-12-09 14:10:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-12-09 14:10:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 433 transitions. [2020-12-09 14:10:31,553 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 433 transitions. Word has length 78 [2020-12-09 14:10:31,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:31,553 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 433 transitions. [2020-12-09 14:10:31,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 433 transitions. [2020-12-09 14:10:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-09 14:10:31,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:31,554 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] [2020-12-09 14:10:31,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 14:10:31,554 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:31,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:31,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1047695710, now seen corresponding path program 1 times [2020-12-09 14:10:31,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:31,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412502407] [2020-12-09 14:10:31,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-09 14:10:31,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412502407] [2020-12-09 14:10:31,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:31,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:31,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993083192] [2020-12-09 14:10:31,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:31,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:31,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:31,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,587 INFO L87 Difference]: Start difference. First operand 259 states and 433 transitions. Second operand 3 states. [2020-12-09 14:10:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:31,679 INFO L93 Difference]: Finished difference Result 523 states and 873 transitions. [2020-12-09 14:10:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:31,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-12-09 14:10:31,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:31,682 INFO L225 Difference]: With dead ends: 523 [2020-12-09 14:10:31,682 INFO L226 Difference]: Without dead ends: 266 [2020-12-09 14:10:31,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-09 14:10:31,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-09 14:10:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-09 14:10:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 436 transitions. [2020-12-09 14:10:31,694 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 436 transitions. Word has length 87 [2020-12-09 14:10:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:31,694 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 436 transitions. [2020-12-09 14:10:31,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 436 transitions. [2020-12-09 14:10:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-09 14:10:31,696 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:31,696 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] [2020-12-09 14:10:31,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 14:10:31,696 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:31,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:31,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1137778316, now seen corresponding path program 1 times [2020-12-09 14:10:31,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:31,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232838211] [2020-12-09 14:10:31,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 14:10:31,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232838211] [2020-12-09 14:10:31,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:31,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:31,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095412956] [2020-12-09 14:10:31,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:31,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:31,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:31,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,735 INFO L87 Difference]: Start difference. First operand 266 states and 436 transitions. Second operand 3 states. [2020-12-09 14:10:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:31,843 INFO L93 Difference]: Finished difference Result 559 states and 919 transitions. [2020-12-09 14:10:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:31,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-12-09 14:10:31,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:31,845 INFO L225 Difference]: With dead ends: 559 [2020-12-09 14:10:31,845 INFO L226 Difference]: Without dead ends: 295 [2020-12-09 14:10:31,846 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 [2020-12-09 14:10:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-09 14:10:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 293. [2020-12-09 14:10:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-12-09 14:10:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 479 transitions. [2020-12-09 14:10:31,858 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 479 transitions. Word has length 91 [2020-12-09 14:10:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:31,859 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 479 transitions. [2020-12-09 14:10:31,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 479 transitions. [2020-12-09 14:10:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-09 14:10:31,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:31,860 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] [2020-12-09 14:10:31,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 14:10:31,861 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:31,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:31,861 INFO L82 PathProgramCache]: Analyzing trace with hash 525017597, now seen corresponding path program 1 times [2020-12-09 14:10:31,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:31,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929423984] [2020-12-09 14:10:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 14:10:31,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929423984] [2020-12-09 14:10:31,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:31,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:31,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988123671] [2020-12-09 14:10:31,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:31,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:31,902 INFO L87 Difference]: Start difference. First operand 293 states and 479 transitions. Second operand 3 states. [2020-12-09 14:10:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:32,031 INFO L93 Difference]: Finished difference Result 616 states and 1011 transitions. [2020-12-09 14:10:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:32,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-09 14:10:32,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:32,034 INFO L225 Difference]: With dead ends: 616 [2020-12-09 14:10:32,034 INFO L226 Difference]: Without dead ends: 325 [2020-12-09 14:10:32,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-12-09 14:10:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2020-12-09 14:10:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-09 14:10:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 517 transitions. [2020-12-09 14:10:32,048 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 517 transitions. Word has length 92 [2020-12-09 14:10:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:32,049 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 517 transitions. [2020-12-09 14:10:32,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 517 transitions. [2020-12-09 14:10:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-09 14:10:32,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:32,050 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] [2020-12-09 14:10:32,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 14:10:32,050 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:32,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:32,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1495577637, now seen corresponding path program 1 times [2020-12-09 14:10:32,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:32,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270463164] [2020-12-09 14:10:32,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 14:10:32,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270463164] [2020-12-09 14:10:32,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:32,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:32,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081400176] [2020-12-09 14:10:32,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:32,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:32,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:32,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,083 INFO L87 Difference]: Start difference. First operand 318 states and 517 transitions. Second operand 3 states. [2020-12-09 14:10:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:32,190 INFO L93 Difference]: Finished difference Result 636 states and 1034 transitions. [2020-12-09 14:10:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:32,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-09 14:10:32,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:32,193 INFO L225 Difference]: With dead ends: 636 [2020-12-09 14:10:32,193 INFO L226 Difference]: Without dead ends: 320 [2020-12-09 14:10:32,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-12-09 14:10:32,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 318. [2020-12-09 14:10:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-09 14:10:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 513 transitions. [2020-12-09 14:10:32,206 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 513 transitions. Word has length 92 [2020-12-09 14:10:32,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:32,206 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 513 transitions. [2020-12-09 14:10:32,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 513 transitions. [2020-12-09 14:10:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-09 14:10:32,207 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:32,207 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] [2020-12-09 14:10:32,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 14:10:32,207 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:32,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:32,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1798094324, now seen corresponding path program 1 times [2020-12-09 14:10:32,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:32,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139436521] [2020-12-09 14:10:32,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 14:10:32,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139436521] [2020-12-09 14:10:32,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:32,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:32,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248502398] [2020-12-09 14:10:32,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:32,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:32,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:32,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,235 INFO L87 Difference]: Start difference. First operand 318 states and 513 transitions. Second operand 3 states. [2020-12-09 14:10:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:32,371 INFO L93 Difference]: Finished difference Result 641 states and 1036 transitions. [2020-12-09 14:10:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:32,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-09 14:10:32,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:32,373 INFO L225 Difference]: With dead ends: 641 [2020-12-09 14:10:32,374 INFO L226 Difference]: Without dead ends: 325 [2020-12-09 14:10:32,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-12-09 14:10:32,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2020-12-09 14:10:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-09 14:10:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 508 transitions. [2020-12-09 14:10:32,384 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 508 transitions. Word has length 93 [2020-12-09 14:10:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:32,384 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 508 transitions. [2020-12-09 14:10:32,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 508 transitions. [2020-12-09 14:10:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-09 14:10:32,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:32,385 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] [2020-12-09 14:10:32,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 14:10:32,385 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:32,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:32,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1449164395, now seen corresponding path program 1 times [2020-12-09 14:10:32,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:32,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555879822] [2020-12-09 14:10:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 14:10:32,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555879822] [2020-12-09 14:10:32,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:32,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:32,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212629075] [2020-12-09 14:10:32,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:32,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:32,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:32,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,418 INFO L87 Difference]: Start difference. First operand 318 states and 508 transitions. Second operand 3 states. [2020-12-09 14:10:32,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:32,537 INFO L93 Difference]: Finished difference Result 655 states and 1047 transitions. [2020-12-09 14:10:32,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:32,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-09 14:10:32,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:32,539 INFO L225 Difference]: With dead ends: 655 [2020-12-09 14:10:32,539 INFO L226 Difference]: Without dead ends: 339 [2020-12-09 14:10:32,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-12-09 14:10:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 337. [2020-12-09 14:10:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-12-09 14:10:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 533 transitions. [2020-12-09 14:10:32,550 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 533 transitions. Word has length 94 [2020-12-09 14:10:32,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:32,550 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 533 transitions. [2020-12-09 14:10:32,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 533 transitions. [2020-12-09 14:10:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-09 14:10:32,551 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:32,551 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] [2020-12-09 14:10:32,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 14:10:32,551 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:32,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:32,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1739900868, now seen corresponding path program 1 times [2020-12-09 14:10:32,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:32,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086142638] [2020-12-09 14:10:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 14:10:32,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086142638] [2020-12-09 14:10:32,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:32,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:32,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550465522] [2020-12-09 14:10:32,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:32,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:32,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:32,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,576 INFO L87 Difference]: Start difference. First operand 337 states and 533 transitions. Second operand 3 states. [2020-12-09 14:10:32,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:32,674 INFO L93 Difference]: Finished difference Result 674 states and 1066 transitions. [2020-12-09 14:10:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:32,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-09 14:10:32,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:32,677 INFO L225 Difference]: With dead ends: 674 [2020-12-09 14:10:32,677 INFO L226 Difference]: Without dead ends: 339 [2020-12-09 14:10:32,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:32,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-12-09 14:10:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 337. [2020-12-09 14:10:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-12-09 14:10:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 527 transitions. [2020-12-09 14:10:32,693 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 527 transitions. Word has length 95 [2020-12-09 14:10:32,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:32,693 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 527 transitions. [2020-12-09 14:10:32,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 527 transitions. [2020-12-09 14:10:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-09 14:10:32,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:32,695 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] [2020-12-09 14:10:32,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 14:10:32,695 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:32,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:32,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1390497639, now seen corresponding path program 1 times [2020-12-09 14:10:32,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:32,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119120958] [2020-12-09 14:10:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:32,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119120958] [2020-12-09 14:10:32,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086239138] [2020-12-09 14:10:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:10:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:32,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 14:10:32,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:10:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:10:33,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:10:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-09 14:10:33,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 14:10:33,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 6 [2020-12-09 14:10:33,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779973019] [2020-12-09 14:10:33,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:33,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:33,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:33,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:10:33,155 INFO L87 Difference]: Start difference. First operand 337 states and 527 transitions. Second operand 3 states. [2020-12-09 14:10:33,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:33,187 INFO L93 Difference]: Finished difference Result 671 states and 1051 transitions. [2020-12-09 14:10:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:33,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-09 14:10:33,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:33,191 INFO L225 Difference]: With dead ends: 671 [2020-12-09 14:10:33,191 INFO L226 Difference]: Without dead ends: 669 [2020-12-09 14:10:33,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:10:33,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-12-09 14:10:33,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 666. [2020-12-09 14:10:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-12-09 14:10:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1044 transitions. [2020-12-09 14:10:33,215 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1044 transitions. Word has length 108 [2020-12-09 14:10:33,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:33,215 INFO L481 AbstractCegarLoop]: Abstraction has 666 states and 1044 transitions. [2020-12-09 14:10:33,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1044 transitions. [2020-12-09 14:10:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-09 14:10:33,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:33,216 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] [2020-12-09 14:10:33,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-09 14:10:33,418 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:33,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:33,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1903422055, now seen corresponding path program 1 times [2020-12-09 14:10:33,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:33,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921114998] [2020-12-09 14:10:33,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 14:10:33,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921114998] [2020-12-09 14:10:33,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:33,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:33,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318181492] [2020-12-09 14:10:33,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:33,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:33,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:33,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:33,535 INFO L87 Difference]: Start difference. First operand 666 states and 1044 transitions. Second operand 3 states. [2020-12-09 14:10:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:33,699 INFO L93 Difference]: Finished difference Result 1074 states and 1685 transitions. [2020-12-09 14:10:33,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:33,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-09 14:10:33,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:33,704 INFO L225 Difference]: With dead ends: 1074 [2020-12-09 14:10:33,704 INFO L226 Difference]: Without dead ends: 739 [2020-12-09 14:10:33,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-12-09 14:10:33,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2020-12-09 14:10:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-12-09 14:10:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1153 transitions. [2020-12-09 14:10:33,745 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1153 transitions. Word has length 111 [2020-12-09 14:10:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:33,745 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1153 transitions. [2020-12-09 14:10:33,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1153 transitions. [2020-12-09 14:10:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-09 14:10:33,747 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:33,747 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] [2020-12-09 14:10:33,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 14:10:33,747 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:33,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:33,747 INFO L82 PathProgramCache]: Analyzing trace with hash -2009298317, now seen corresponding path program 1 times [2020-12-09 14:10:33,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:33,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277255738] [2020-12-09 14:10:33,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 14:10:33,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277255738] [2020-12-09 14:10:33,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:33,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:33,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687646657] [2020-12-09 14:10:33,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:33,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:33,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:33,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:33,774 INFO L87 Difference]: Start difference. First operand 737 states and 1153 transitions. Second operand 3 states. [2020-12-09 14:10:33,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:33,908 INFO L93 Difference]: Finished difference Result 1110 states and 1735 transitions. [2020-12-09 14:10:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:33,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-09 14:10:33,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:33,911 INFO L225 Difference]: With dead ends: 1110 [2020-12-09 14:10:33,911 INFO L226 Difference]: Without dead ends: 737 [2020-12-09 14:10:33,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-12-09 14:10:33,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 735. [2020-12-09 14:10:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-12-09 14:10:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1144 transitions. [2020-12-09 14:10:33,938 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1144 transitions. Word has length 112 [2020-12-09 14:10:33,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:33,939 INFO L481 AbstractCegarLoop]: Abstraction has 735 states and 1144 transitions. [2020-12-09 14:10:33,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1144 transitions. [2020-12-09 14:10:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-09 14:10:33,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:33,940 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] [2020-12-09 14:10:33,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 14:10:33,941 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:33,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:33,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1818165966, now seen corresponding path program 1 times [2020-12-09 14:10:33,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:33,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663945311] [2020-12-09 14:10:33,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-09 14:10:33,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663945311] [2020-12-09 14:10:33,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:33,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:33,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951872106] [2020-12-09 14:10:33,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:33,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:33,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:33,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:33,978 INFO L87 Difference]: Start difference. First operand 735 states and 1144 transitions. Second operand 3 states. [2020-12-09 14:10:34,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:34,126 INFO L93 Difference]: Finished difference Result 1540 states and 2398 transitions. [2020-12-09 14:10:34,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:34,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-12-09 14:10:34,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:34,130 INFO L225 Difference]: With dead ends: 1540 [2020-12-09 14:10:34,130 INFO L226 Difference]: Without dead ends: 807 [2020-12-09 14:10:34,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-12-09 14:10:34,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 803. [2020-12-09 14:10:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-12-09 14:10:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1244 transitions. [2020-12-09 14:10:34,160 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1244 transitions. Word has length 143 [2020-12-09 14:10:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:34,160 INFO L481 AbstractCegarLoop]: Abstraction has 803 states and 1244 transitions. [2020-12-09 14:10:34,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1244 transitions. [2020-12-09 14:10:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-09 14:10:34,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:34,162 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] [2020-12-09 14:10:34,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 14:10:34,162 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:34,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:34,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2121023966, now seen corresponding path program 1 times [2020-12-09 14:10:34,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:34,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470834676] [2020-12-09 14:10:34,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-09 14:10:34,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470834676] [2020-12-09 14:10:34,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:34,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:34,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935221251] [2020-12-09 14:10:34,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:34,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:34,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:34,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,201 INFO L87 Difference]: Start difference. First operand 803 states and 1244 transitions. Second operand 3 states. [2020-12-09 14:10:34,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:34,339 INFO L93 Difference]: Finished difference Result 1608 states and 2490 transitions. [2020-12-09 14:10:34,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:34,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-12-09 14:10:34,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:34,345 INFO L225 Difference]: With dead ends: 1608 [2020-12-09 14:10:34,345 INFO L226 Difference]: Without dead ends: 803 [2020-12-09 14:10:34,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2020-12-09 14:10:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 797. [2020-12-09 14:10:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2020-12-09 14:10:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1228 transitions. [2020-12-09 14:10:34,377 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1228 transitions. Word has length 144 [2020-12-09 14:10:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:34,377 INFO L481 AbstractCegarLoop]: Abstraction has 797 states and 1228 transitions. [2020-12-09 14:10:34,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1228 transitions. [2020-12-09 14:10:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-09 14:10:34,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:34,379 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] [2020-12-09 14:10:34,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 14:10:34,380 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:34,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:34,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1747893442, now seen corresponding path program 1 times [2020-12-09 14:10:34,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:34,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843443236] [2020-12-09 14:10:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-12-09 14:10:34,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843443236] [2020-12-09 14:10:34,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:34,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:34,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324248301] [2020-12-09 14:10:34,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:34,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:34,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:34,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,425 INFO L87 Difference]: Start difference. First operand 797 states and 1228 transitions. Second operand 3 states. [2020-12-09 14:10:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:34,574 INFO L93 Difference]: Finished difference Result 1660 states and 2558 transitions. [2020-12-09 14:10:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:34,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-12-09 14:10:34,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:34,578 INFO L225 Difference]: With dead ends: 1660 [2020-12-09 14:10:34,578 INFO L226 Difference]: Without dead ends: 865 [2020-12-09 14:10:34,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-12-09 14:10:34,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 861. [2020-12-09 14:10:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-09 14:10:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1318 transitions. [2020-12-09 14:10:34,607 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1318 transitions. Word has length 173 [2020-12-09 14:10:34,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:34,607 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1318 transitions. [2020-12-09 14:10:34,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1318 transitions. [2020-12-09 14:10:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-09 14:10:34,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:34,609 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] [2020-12-09 14:10:34,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 14:10:34,610 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash 842850574, now seen corresponding path program 1 times [2020-12-09 14:10:34,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:34,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54937973] [2020-12-09 14:10:34,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-12-09 14:10:34,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54937973] [2020-12-09 14:10:34,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:34,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:34,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459346538] [2020-12-09 14:10:34,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:34,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:34,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:34,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,647 INFO L87 Difference]: Start difference. First operand 861 states and 1318 transitions. Second operand 3 states. [2020-12-09 14:10:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:34,787 INFO L93 Difference]: Finished difference Result 1724 states and 2638 transitions. [2020-12-09 14:10:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:34,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-09 14:10:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:34,791 INFO L225 Difference]: With dead ends: 1724 [2020-12-09 14:10:34,791 INFO L226 Difference]: Without dead ends: 861 [2020-12-09 14:10:34,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-12-09 14:10:34,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 855. [2020-12-09 14:10:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2020-12-09 14:10:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1300 transitions. [2020-12-09 14:10:34,817 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1300 transitions. Word has length 174 [2020-12-09 14:10:34,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:34,817 INFO L481 AbstractCegarLoop]: Abstraction has 855 states and 1300 transitions. [2020-12-09 14:10:34,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1300 transitions. [2020-12-09 14:10:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-09 14:10:34,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:34,819 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] [2020-12-09 14:10:34,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-09 14:10:34,819 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:34,820 INFO L82 PathProgramCache]: Analyzing trace with hash 686189858, now seen corresponding path program 1 times [2020-12-09 14:10:34,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:34,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848880448] [2020-12-09 14:10:34,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-12-09 14:10:34,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848880448] [2020-12-09 14:10:34,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:34,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:34,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911145764] [2020-12-09 14:10:34,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:34,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:34,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:34,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,857 INFO L87 Difference]: Start difference. First operand 855 states and 1300 transitions. Second operand 3 states. [2020-12-09 14:10:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:34,991 INFO L93 Difference]: Finished difference Result 1774 states and 2704 transitions. [2020-12-09 14:10:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:34,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-12-09 14:10:34,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:34,995 INFO L225 Difference]: With dead ends: 1774 [2020-12-09 14:10:34,995 INFO L226 Difference]: Without dead ends: 921 [2020-12-09 14:10:34,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:34,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-12-09 14:10:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2020-12-09 14:10:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-12-09 14:10:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1356 transitions. [2020-12-09 14:10:35,022 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1356 transitions. Word has length 188 [2020-12-09 14:10:35,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:35,022 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1356 transitions. [2020-12-09 14:10:35,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1356 transitions. [2020-12-09 14:10:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-09 14:10:35,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:35,024 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] [2020-12-09 14:10:35,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-09 14:10:35,024 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:35,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:35,025 INFO L82 PathProgramCache]: Analyzing trace with hash -905310767, now seen corresponding path program 1 times [2020-12-09 14:10:35,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:35,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794997680] [2020-12-09 14:10:35,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-12-09 14:10:35,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794997680] [2020-12-09 14:10:35,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:35,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:35,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554766168] [2020-12-09 14:10:35,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:35,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:35,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:35,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,063 INFO L87 Difference]: Start difference. First operand 901 states and 1356 transitions. Second operand 3 states. [2020-12-09 14:10:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:35,181 INFO L93 Difference]: Finished difference Result 1820 states and 2742 transitions. [2020-12-09 14:10:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:35,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-12-09 14:10:35,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:35,185 INFO L225 Difference]: With dead ends: 1820 [2020-12-09 14:10:35,185 INFO L226 Difference]: Without dead ends: 921 [2020-12-09 14:10:35,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-12-09 14:10:35,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2020-12-09 14:10:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-12-09 14:10:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1338 transitions. [2020-12-09 14:10:35,211 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1338 transitions. Word has length 189 [2020-12-09 14:10:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:35,211 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1338 transitions. [2020-12-09 14:10:35,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1338 transitions. [2020-12-09 14:10:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-09 14:10:35,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:35,213 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] [2020-12-09 14:10:35,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-09 14:10:35,213 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:35,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1602102066, now seen corresponding path program 1 times [2020-12-09 14:10:35,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:35,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500215252] [2020-12-09 14:10:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-09 14:10:35,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500215252] [2020-12-09 14:10:35,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:35,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:35,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792698644] [2020-12-09 14:10:35,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:35,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:35,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:35,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,256 INFO L87 Difference]: Start difference. First operand 901 states and 1338 transitions. Second operand 3 states. [2020-12-09 14:10:35,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:35,370 INFO L93 Difference]: Finished difference Result 1808 states and 2684 transitions. [2020-12-09 14:10:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:35,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-12-09 14:10:35,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:35,374 INFO L225 Difference]: With dead ends: 1808 [2020-12-09 14:10:35,374 INFO L226 Difference]: Without dead ends: 909 [2020-12-09 14:10:35,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-12-09 14:10:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 901. [2020-12-09 14:10:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-12-09 14:10:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1326 transitions. [2020-12-09 14:10:35,410 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1326 transitions. Word has length 203 [2020-12-09 14:10:35,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:35,410 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1326 transitions. [2020-12-09 14:10:35,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1326 transitions. [2020-12-09 14:10:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-09 14:10:35,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:35,411 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] [2020-12-09 14:10:35,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-09 14:10:35,411 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:35,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:35,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1170312990, now seen corresponding path program 1 times [2020-12-09 14:10:35,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:35,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937272643] [2020-12-09 14:10:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-09 14:10:35,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937272643] [2020-12-09 14:10:35,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:35,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:35,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582560146] [2020-12-09 14:10:35,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:35,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:35,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:35,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,454 INFO L87 Difference]: Start difference. First operand 901 states and 1326 transitions. Second operand 3 states. [2020-12-09 14:10:35,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:35,574 INFO L93 Difference]: Finished difference Result 1808 states and 2660 transitions. [2020-12-09 14:10:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:35,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-12-09 14:10:35,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:35,579 INFO L225 Difference]: With dead ends: 1808 [2020-12-09 14:10:35,579 INFO L226 Difference]: Without dead ends: 891 [2020-12-09 14:10:35,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-12-09 14:10:35,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 874. [2020-12-09 14:10:35,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-12-09 14:10:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1279 transitions. [2020-12-09 14:10:35,619 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1279 transitions. Word has length 204 [2020-12-09 14:10:35,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:35,619 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 1279 transitions. [2020-12-09 14:10:35,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1279 transitions. [2020-12-09 14:10:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-09 14:10:35,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:35,621 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] [2020-12-09 14:10:35,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-09 14:10:35,622 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:35,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:35,622 INFO L82 PathProgramCache]: Analyzing trace with hash -827105620, now seen corresponding path program 1 times [2020-12-09 14:10:35,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:35,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609416834] [2020-12-09 14:10:35,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-12-09 14:10:35,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609416834] [2020-12-09 14:10:35,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:35,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:35,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714566209] [2020-12-09 14:10:35,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:35,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:35,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:35,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,673 INFO L87 Difference]: Start difference. First operand 874 states and 1279 transitions. Second operand 3 states. [2020-12-09 14:10:35,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:35,772 INFO L93 Difference]: Finished difference Result 1773 states and 2597 transitions. [2020-12-09 14:10:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:35,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-12-09 14:10:35,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:35,775 INFO L225 Difference]: With dead ends: 1773 [2020-12-09 14:10:35,775 INFO L226 Difference]: Without dead ends: 901 [2020-12-09 14:10:35,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-12-09 14:10:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 895. [2020-12-09 14:10:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-12-09 14:10:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1293 transitions. [2020-12-09 14:10:35,804 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1293 transitions. Word has length 207 [2020-12-09 14:10:35,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:35,804 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1293 transitions. [2020-12-09 14:10:35,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1293 transitions. [2020-12-09 14:10:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-09 14:10:35,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:35,806 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] [2020-12-09 14:10:35,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-09 14:10:35,806 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:35,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash 242415869, now seen corresponding path program 1 times [2020-12-09 14:10:35,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:35,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378755525] [2020-12-09 14:10:35,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-12-09 14:10:35,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378755525] [2020-12-09 14:10:35,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:35,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:10:35,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463380441] [2020-12-09 14:10:35,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:35,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:35,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:35,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,852 INFO L87 Difference]: Start difference. First operand 895 states and 1293 transitions. Second operand 3 states. [2020-12-09 14:10:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:35,970 INFO L93 Difference]: Finished difference Result 1794 states and 2592 transitions. [2020-12-09 14:10:35,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:35,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-12-09 14:10:35,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:35,974 INFO L225 Difference]: With dead ends: 1794 [2020-12-09 14:10:35,974 INFO L226 Difference]: Without dead ends: 893 [2020-12-09 14:10:35,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:35,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-12-09 14:10:36,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 883. [2020-12-09 14:10:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-12-09 14:10:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1259 transitions. [2020-12-09 14:10:36,002 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1259 transitions. Word has length 208 [2020-12-09 14:10:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:36,002 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1259 transitions. [2020-12-09 14:10:36,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1259 transitions. [2020-12-09 14:10:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-09 14:10:36,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:36,004 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] [2020-12-09 14:10:36,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-09 14:10:36,004 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:36,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:36,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1309822652, now seen corresponding path program 1 times [2020-12-09 14:10:36,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:36,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753827244] [2020-12-09 14:10:36,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-09 14:10:36,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753827244] [2020-12-09 14:10:36,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851520603] [2020-12-09 14:10:36,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:10:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:36,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 14:10:36,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:10:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-09 14:10:36,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:10:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-09 14:10:36,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1556128800] [2020-12-09 14:10:36,444 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2020-12-09 14:10:36,444 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 14:10:36,448 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 14:10:36,451 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 14:10:36,452 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 14:10:39,774 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-09 14:10:39,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 14:10:39,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-12-09 14:10:39,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728817848] [2020-12-09 14:10:39,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 14:10:39,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:39,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 14:10:39,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 14:10:39,777 INFO L87 Difference]: Start difference. First operand 883 states and 1259 transitions. Second operand 6 states. [2020-12-09 14:10:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:40,128 INFO L93 Difference]: Finished difference Result 2645 states and 3759 transitions. [2020-12-09 14:10:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 14:10:40,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2020-12-09 14:10:40,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:40,135 INFO L225 Difference]: With dead ends: 2645 [2020-12-09 14:10:40,135 INFO L226 Difference]: Without dead ends: 1742 [2020-12-09 14:10:40,136 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 [2020-12-09 14:10:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2020-12-09 14:10:40,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1007. [2020-12-09 14:10:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1007 states. [2020-12-09 14:10:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1411 transitions. [2020-12-09 14:10:40,175 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1411 transitions. Word has length 238 [2020-12-09 14:10:40,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:40,175 INFO L481 AbstractCegarLoop]: Abstraction has 1007 states and 1411 transitions. [2020-12-09 14:10:40,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 14:10:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1411 transitions. [2020-12-09 14:10:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-12-09 14:10:40,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:40,177 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] [2020-12-09 14:10:40,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-09 14:10:40,377 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:40,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1058204320, now seen corresponding path program 1 times [2020-12-09 14:10:40,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:40,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203306162] [2020-12-09 14:10:40,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 368 proven. 125 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-09 14:10:40,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203306162] [2020-12-09 14:10:40,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425313629] [2020-12-09 14:10:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:10:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:40,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 14:10:40,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:10:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 317 proven. 176 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-09 14:10:40,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:10:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 368 proven. 125 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-09 14:10:40,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1172962595] [2020-12-09 14:10:40,956 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2020-12-09 14:10:40,956 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 14:10:40,956 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 14:10:40,957 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 14:10:40,957 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 14:10:42,892 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-09 14:10:42,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 14:10:42,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2020-12-09 14:10:42,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612723315] [2020-12-09 14:10:42,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 14:10:42,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:42,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 14:10:42,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 14:10:42,893 INFO L87 Difference]: Start difference. First operand 1007 states and 1411 transitions. Second operand 8 states. [2020-12-09 14:10:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:43,356 INFO L93 Difference]: Finished difference Result 2990 states and 4176 transitions. [2020-12-09 14:10:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 14:10:43,357 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 247 [2020-12-09 14:10:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:43,362 INFO L225 Difference]: With dead ends: 2990 [2020-12-09 14:10:43,362 INFO L226 Difference]: Without dead ends: 1363 [2020-12-09 14:10:43,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-09 14:10:43,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-12-09 14:10:43,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1312. [2020-12-09 14:10:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1312 states. [2020-12-09 14:10:43,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1770 transitions. [2020-12-09 14:10:43,404 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1770 transitions. Word has length 247 [2020-12-09 14:10:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:43,404 INFO L481 AbstractCegarLoop]: Abstraction has 1312 states and 1770 transitions. [2020-12-09 14:10:43,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 14:10:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1770 transitions. [2020-12-09 14:10:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-12-09 14:10:43,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:43,406 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] [2020-12-09 14:10:43,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2020-12-09 14:10:43,607 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:43,608 INFO L82 PathProgramCache]: Analyzing trace with hash 653378703, now seen corresponding path program 1 times [2020-12-09 14:10:43,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:43,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908208198] [2020-12-09 14:10:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-12-09 14:10:43,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908208198] [2020-12-09 14:10:43,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71989171] [2020-12-09 14:10:43,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:10:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:43,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 14:10:43,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:10:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-12-09 14:10:44,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:10:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 446 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2020-12-09 14:10:44,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [503707992] [2020-12-09 14:10:44,523 INFO L159 IcfgInterpreter]: Started Sifa with 74 locations of interest [2020-12-09 14:10:44,523 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 14:10:44,523 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 14:10:44,523 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 14:10:44,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 14:10:48,908 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-09 14:10:48,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 14:10:48,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 3] total 7 [2020-12-09 14:10:48,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807224195] [2020-12-09 14:10:48,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 14:10:48,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:48,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 14:10:48,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-09 14:10:48,910 INFO L87 Difference]: Start difference. First operand 1312 states and 1770 transitions. Second operand 8 states. [2020-12-09 14:10:49,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:49,026 INFO L93 Difference]: Finished difference Result 2737 states and 3678 transitions. [2020-12-09 14:10:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 14:10:49,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 330 [2020-12-09 14:10:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:49,035 INFO L225 Difference]: With dead ends: 2737 [2020-12-09 14:10:49,035 INFO L226 Difference]: Without dead ends: 2253 [2020-12-09 14:10:49,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 656 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-09 14:10:49,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2020-12-09 14:10:49,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 1834. [2020-12-09 14:10:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1834 states. [2020-12-09 14:10:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2474 transitions. [2020-12-09 14:10:49,096 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2474 transitions. Word has length 330 [2020-12-09 14:10:49,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:49,096 INFO L481 AbstractCegarLoop]: Abstraction has 1834 states and 2474 transitions. [2020-12-09 14:10:49,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 14:10:49,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2474 transitions. [2020-12-09 14:10:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2020-12-09 14:10:49,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:49,099 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] [2020-12-09 14:10:49,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:10:49,300 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:49,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:49,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1762028458, now seen corresponding path program 1 times [2020-12-09 14:10:49,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:49,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127994568] [2020-12-09 14:10:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1159 proven. 521 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-12-09 14:10:49,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127994568] [2020-12-09 14:10:49,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734028533] [2020-12-09 14:10:49,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:10:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:49,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 14:10:49,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:10:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1229 proven. 82 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2020-12-09 14:10:50,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:10:50,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1229 proven. 82 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2020-12-09 14:10:50,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [747803155] [2020-12-09 14:10:50,420 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2020-12-09 14:10:50,420 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 14:10:50,420 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 14:10:50,420 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 14:10:50,420 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 14:10:54,325 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-09 14:10:54,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 14:10:54,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2020-12-09 14:10:54,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544377533] [2020-12-09 14:10:54,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 14:10:54,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:54,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 14:10:54,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-12-09 14:10:54,327 INFO L87 Difference]: Start difference. First operand 1834 states and 2474 transitions. Second operand 12 states. [2020-12-09 14:10:55,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:55,046 INFO L93 Difference]: Finished difference Result 3411 states and 4579 transitions. [2020-12-09 14:10:55,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 14:10:55,047 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 469 [2020-12-09 14:10:55,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:55,053 INFO L225 Difference]: With dead ends: 3411 [2020-12-09 14:10:55,054 INFO L226 Difference]: Without dead ends: 1816 [2020-12-09 14:10:55,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 940 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-12-09 14:10:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2020-12-09 14:10:55,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 861. [2020-12-09 14:10:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-09 14:10:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1122 transitions. [2020-12-09 14:10:55,090 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1122 transitions. Word has length 469 [2020-12-09 14:10:55,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:55,090 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1122 transitions. [2020-12-09 14:10:55,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 14:10:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1122 transitions. [2020-12-09 14:10:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-12-09 14:10:55,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:55,093 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] [2020-12-09 14:10:55,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable650 [2020-12-09 14:10:55,294 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:55,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:55,295 INFO L82 PathProgramCache]: Analyzing trace with hash -301618236, now seen corresponding path program 2 times [2020-12-09 14:10:55,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:55,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260055704] [2020-12-09 14:10:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 2768 proven. 0 refuted. 0 times theorem prover too weak. 2217 trivial. 0 not checked. [2020-12-09 14:10:55,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260055704] [2020-12-09 14:10:55,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:55,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 14:10:55,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217405940] [2020-12-09 14:10:55,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:55,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:55,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:55,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:55,559 INFO L87 Difference]: Start difference. First operand 861 states and 1122 transitions. Second operand 3 states. [2020-12-09 14:10:55,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:55,662 INFO L93 Difference]: Finished difference Result 1308 states and 1702 transitions. [2020-12-09 14:10:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:55,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 621 [2020-12-09 14:10:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:55,665 INFO L225 Difference]: With dead ends: 1308 [2020-12-09 14:10:55,666 INFO L226 Difference]: Without dead ends: 877 [2020-12-09 14:10:55,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:55,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-12-09 14:10:55,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 861. [2020-12-09 14:10:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-09 14:10:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1112 transitions. [2020-12-09 14:10:55,699 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1112 transitions. Word has length 621 [2020-12-09 14:10:55,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:55,699 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1112 transitions. [2020-12-09 14:10:55,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1112 transitions. [2020-12-09 14:10:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-12-09 14:10:55,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:55,705 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] [2020-12-09 14:10:55,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable873 [2020-12-09 14:10:55,705 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:55,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:55,706 INFO L82 PathProgramCache]: Analyzing trace with hash 351145030, now seen corresponding path program 1 times [2020-12-09 14:10:55,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:55,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99154424] [2020-12-09 14:10:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5098 backedges. 2749 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2020-12-09 14:10:55,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99154424] [2020-12-09 14:10:55,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:55,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 14:10:55,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795053911] [2020-12-09 14:10:55,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:55,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:55,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:55,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:55,947 INFO L87 Difference]: Start difference. First operand 861 states and 1112 transitions. Second operand 3 states. [2020-12-09 14:10:56,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:56,056 INFO L93 Difference]: Finished difference Result 1720 states and 2222 transitions. [2020-12-09 14:10:56,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:56,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-12-09 14:10:56,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:56,060 INFO L225 Difference]: With dead ends: 1720 [2020-12-09 14:10:56,060 INFO L226 Difference]: Without dead ends: 861 [2020-12-09 14:10:56,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:56,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-12-09 14:10:56,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-12-09 14:10:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-09 14:10:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1104 transitions. [2020-12-09 14:10:56,094 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1104 transitions. Word has length 633 [2020-12-09 14:10:56,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:56,095 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1104 transitions. [2020-12-09 14:10:56,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1104 transitions. [2020-12-09 14:10:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-12-09 14:10:56,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:56,098 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] [2020-12-09 14:10:56,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable874 [2020-12-09 14:10:56,098 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:56,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:56,098 INFO L82 PathProgramCache]: Analyzing trace with hash -771621417, now seen corresponding path program 2 times [2020-12-09 14:10:56,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:56,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794753803] [2020-12-09 14:10:56,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5539 backedges. 3065 proven. 0 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2020-12-09 14:10:56,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794753803] [2020-12-09 14:10:56,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:56,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 14:10:56,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194012449] [2020-12-09 14:10:56,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:56,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:56,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:56,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:56,409 INFO L87 Difference]: Start difference. First operand 861 states and 1104 transitions. Second operand 3 states. [2020-12-09 14:10:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:56,501 INFO L93 Difference]: Finished difference Result 1738 states and 2231 transitions. [2020-12-09 14:10:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:56,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 661 [2020-12-09 14:10:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:56,505 INFO L225 Difference]: With dead ends: 1738 [2020-12-09 14:10:56,505 INFO L226 Difference]: Without dead ends: 873 [2020-12-09 14:10:56,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:56,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2020-12-09 14:10:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2020-12-09 14:10:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2020-12-09 14:10:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1114 transitions. [2020-12-09 14:10:56,539 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1114 transitions. Word has length 661 [2020-12-09 14:10:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:56,539 INFO L481 AbstractCegarLoop]: Abstraction has 873 states and 1114 transitions. [2020-12-09 14:10:56,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1114 transitions. [2020-12-09 14:10:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-12-09 14:10:56,542 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:10:56,543 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] [2020-12-09 14:10:56,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable875 [2020-12-09 14:10:56,543 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:10:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:10:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash 728212632, now seen corresponding path program 1 times [2020-12-09 14:10:56,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:10:56,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531644327] [2020-12-09 14:10:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:10:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:10:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5681 backedges. 3075 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2020-12-09 14:10:56,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531644327] [2020-12-09 14:10:56,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:10:56,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 14:10:56,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660407773] [2020-12-09 14:10:56,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:10:56,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:10:56,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:10:56,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:56,804 INFO L87 Difference]: Start difference. First operand 873 states and 1114 transitions. Second operand 3 states. [2020-12-09 14:10:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:10:56,898 INFO L93 Difference]: Finished difference Result 1314 states and 1677 transitions. [2020-12-09 14:10:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:10:56,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 674 [2020-12-09 14:10:56,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:10:56,898 INFO L225 Difference]: With dead ends: 1314 [2020-12-09 14:10:56,898 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 14:10:56,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:10:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 14:10:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 14:10:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 14:10:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 14:10:56,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 674 [2020-12-09 14:10:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:10:56,900 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 14:10:56,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:10:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 14:10:56,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 14:10:56,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable876 [2020-12-09 14:10:56,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 14:10:57,197 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 176 [2020-12-09 14:10:57,607 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 176 [2020-12-09 14:10:57,924 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 176 [2020-12-09 14:10:58,099 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 176 [2020-12-09 14:10:58,355 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-12-09 14:10:58,778 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-12-09 14:10:58,991 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-12-09 14:11:00,082 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 152 DAG size of output: 98 [2020-12-09 14:11:00,271 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-12-09 14:11:00,468 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 53 [2020-12-09 14:11:00,646 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-12-09 14:11:00,820 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2020-12-09 14:11:01,137 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2020-12-09 14:11:02,037 WARN L197 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2020-12-09 14:11:03,217 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 152 DAG size of output: 103 [2020-12-09 14:11:03,403 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-12-09 14:11:03,651 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 53 [2020-12-09 14:11:03,832 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 53 [2020-12-09 14:11:04,037 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-12-09 14:11:04,236 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-12-09 14:11:04,420 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2020-12-09 14:11:04,836 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2020-12-09 14:11:05,870 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 152 DAG size of output: 98 [2020-12-09 14:11:06,125 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-12-09 14:11:07,064 WARN L197 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 98 [2020-12-09 14:11:07,258 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-12-09 14:11:07,261 INFO L258 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))))) [2020-12-09 14:11:07,261 INFO L262 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-12-09 14:11:07,261 INFO L262 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-12-09 14:11:07,261 INFO L262 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-12-09 14:11:07,261 INFO L262 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 14:11:07,261 INFO L258 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))) [2020-12-09 14:11:07,262 INFO L262 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-12-09 14:11:07,262 INFO L262 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-12-09 14:11:07,262 INFO L258 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)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse13 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (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) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse2 .cse4 .cse12 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse13 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .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) (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) (and (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse13))) [2020-12-09 14:11:07,262 INFO L262 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-12-09 14:11:07,262 INFO L262 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-12-09 14:11:07,262 INFO L262 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-12-09 14:11:07,262 INFO L258 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 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L258 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 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18))) [2020-12-09 14:11:07,263 INFO L258 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)))) [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-12-09 14:11:07,263 INFO L258 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))) [2020-12-09 14:11:07,263 INFO L262 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-12-09 14:11:07,264 INFO L258 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 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .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))))) [2020-12-09 14:11:07,264 INFO L258 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 .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))) [2020-12-09 14:11:07,264 INFO L262 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L258 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)))))) [2020-12-09 14:11:07,265 INFO L265 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-12-09 14:11:07,265 INFO L258 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 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (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))))) [2020-12-09 14:11:07,265 INFO L258 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))) [2020-12-09 14:11:07,265 INFO L262 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L258 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 .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 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-12-09 14:11:07,266 INFO L262 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-12-09 14:11:07,267 INFO L262 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-12-09 14:11:07,267 INFO L262 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-12-09 14:11:07,267 INFO L258 CegarLoopResult]: At program point L125(lines 125 623) the Hoare annotation is: (let ((.cse13 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse11 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~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))) (.cse14 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse12 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (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) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) (or (and .cse3 .cse12 .cse13) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse13))) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 (not .cse13)) (and .cse0 .cse2 .cse14 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse12 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse11 .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) (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 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse14 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse12))) [2020-12-09 14:11:07,267 INFO L258 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: false [2020-12-09 14:11:07,267 INFO L262 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-12-09 14:11:07,267 INFO L258 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 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2020-12-09 14:11:07,267 INFO L258 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))) [2020-12-09 14:11:07,267 INFO L262 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-12-09 14:11:07,267 INFO L262 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L258 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)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse13 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (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) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse2 .cse4 .cse12 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse13 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .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) (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) (and (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse13))) [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L258 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))) [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 673) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L262 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-12-09 14:11:07,268 INFO L258 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))) [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-12-09 14:11:07,269 INFO L258 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__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)) (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (<= 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))))) [2020-12-09 14:11:07,269 INFO L258 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))) [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-12-09 14:11:07,269 INFO L265 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-12-09 14:11:07,269 INFO L258 CegarLoopResult]: At program point L167(lines 167 609) the Hoare annotation is: (let ((.cse26 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse21 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse18 (not .cse26)) (.cse25 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse24 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse19 (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))) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse6 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (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))) (.cse20 (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 .cse19 (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse20 .cse21) (and .cse1 .cse19 .cse2 .cse3 .cse4 .cse5 .cse22 .cse21 .cse6 .cse23 .cse24 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse20 .cse14 .cse15 .cse17) (and .cse1 .cse2 .cse4 .cse3 .cse5 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse13 .cse20 .cse15 .cse17 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse25 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse10 .cse13 .cse26 .cse15 .cse17) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse4 .cse3 .cse5 .cse25 .cse24 .cse8 .cse10 .cse13 .cse15 .cse17) (and .cse1 .cse0 .cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) .cse2 .cse4 .cse3 .cse5 .cse22 .cse6 .cse23 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse20 .cse14 .cse15 .cse16 .cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))))) [2020-12-09 14:11:07,269 INFO L262 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-12-09 14:11:07,270 INFO L258 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)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse13 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (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) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse2 .cse4 .cse12 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse13 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 .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) (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) (and (= 3 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse12 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse13))) [2020-12-09 14:11:07,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:11:07 BoogieIcfgContainer [2020-12-09 14:11:07,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:11:07,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:11:07,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:11:07,307 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:11:07,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:10:30" (3/4) ... [2020-12-09 14:11:07,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 14:11:07,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2020-12-09 14:11:07,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 14:11:07,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 14:11:07,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:11:07,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8186f6a5-28e4-4b50-8a34-a655ade85879/bin/utaipan/witness.graphml [2020-12-09 14:11:07,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:11:07,391 INFO L168 Benchmark]: Toolchain (without parser) took 38387.53 ms. Allocated memory was 123.7 MB in the beginning and 696.3 MB in the end (delta: 572.5 MB). Free memory was 85.9 MB in the beginning and 320.1 MB in the end (delta: -234.2 MB). Peak memory consumption was 338.0 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,392 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 123.7 MB. Free memory is still 102.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:11:07,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.29 ms. Allocated memory is still 123.7 MB. Free memory was 85.7 MB in the beginning and 95.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.59 ms. Allocated memory is still 123.7 MB. Free memory was 95.5 MB in the beginning and 92.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,392 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 ms. Allocated memory is still 123.7 MB. Free memory was 92.4 MB in the beginning and 90.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,392 INFO L168 Benchmark]: RCFGBuilder took 715.99 ms. Allocated memory is still 123.7 MB. Free memory was 90.3 MB in the beginning and 58.6 MB in the end (delta: 31.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,393 INFO L168 Benchmark]: TraceAbstraction took 37272.68 ms. Allocated memory was 123.7 MB in the beginning and 696.3 MB in the end (delta: 572.5 MB). Free memory was 57.9 MB in the beginning and 334.8 MB in the end (delta: -276.9 MB). Peak memory consumption was 393.3 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,393 INFO L168 Benchmark]: Witness Printer took 83.85 ms. Allocated memory is still 696.3 MB. Free memory was 334.8 MB in the beginning and 320.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:11:07,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 123.7 MB. Free memory is still 102.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.29 ms. Allocated memory is still 123.7 MB. Free memory was 85.7 MB in the beginning and 95.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.59 ms. Allocated memory is still 123.7 MB. Free memory was 95.5 MB in the beginning and 92.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.76 ms. Allocated memory is still 123.7 MB. Free memory was 92.4 MB in the beginning and 90.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 715.99 ms. Allocated memory is still 123.7 MB. Free memory was 90.3 MB in the beginning and 58.6 MB in the end (delta: 31.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37272.68 ms. Allocated memory was 123.7 MB in the beginning and 696.3 MB in the end (delta: 572.5 MB). Free memory was 57.9 MB in the beginning and 334.8 MB in the end (delta: -276.9 MB). Peak memory consumption was 393.3 MB. Max. memory is 16.1 GB. * Witness Printer took 83.85 ms. Allocated memory is still 696.3 MB. Free memory was 334.8 MB in the beginning and 320.1 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: 673]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 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)) && !(8640 == s__s3__tmp__next_state___0)) && 8448 <= s__state) && !(8577 == s__state)) && 2 == blastFlag) && !(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)) || (((((((((((((((((((!(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)) - 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 == 3) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && !(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 == 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)) || (((3 == blastFlag && s__state <= 8672) && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) - 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)) || (((3 == blastFlag && s__state <= 8672) && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) - 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) && !(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)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8640 == s__s3__tmp__next_state___0)) && 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)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((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)))) && !(8640 == s__s3__tmp__next_state___0)) && 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 == 8673) && 3 == blastFlag) && 8672 <= s__state) && !(12292 == s__state)) && !(8640 == s__s3__tmp__next_state___0))) || (((((((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && !(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 == 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))) || ((((((((((((!(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__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 == 3) || (s__state <= 8448 && (((!(8448 == s__state) && !(8640 == s__s3__tmp__next_state___0)) && s__hit == 0) || (3 == s__s3__tmp__next_state___0 && s__hit == 0)))) || ((((blastFlag <= 3 && !(s__state == 8480)) && !(12292 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && !(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 == 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))) || (((3 == blastFlag && s__state <= 8672) && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) - 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)) || ((((((((((((((!(s__state == 8545) && !(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)) && !(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)) && !(8640 == s__s3__tmp__next_state___0)) && 8448 <= s__state) && !(8577 == s__state)) && 2 == blastFlag) && !(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)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && 8448 <= s__state) && 2 == blastFlag) && !(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 == 3) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && !(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 == 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)) || (((3 == blastFlag && s__state <= 8672) && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) - 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 == 3) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && !(s__state == 8672)) && 2 == blastFlag) && !(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 == 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)) || (((3 == blastFlag && s__state <= 8672) && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) - 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)) && !(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)) || (((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8640 == s__s3__tmp__next_state___0)) && 8448 <= s__state) && 2 == blastFlag) && !(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)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.8s, OverallIterations: 35, TraceHistogramMax: 25, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3982 SDtfs, 4816 SDslu, 3448 SDs, 0 SdLazy, 5155 SolverSat, 1540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2892 GetRequests, 2813 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1834occurred 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: 0.8s AutomataMinimizationTime, 35 MinimizatonAttempts, 2328 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 322 NumberOfFragments, 4296 HoareAnnotationTreeSize, 26 FomulaSimplifications, 127452 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 28293 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 8528 NumberOfCodeBlocks, 8528 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 9875 ConstructedInterpolants, 0 QuantifiedInterpolants, 6474375 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2404 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 45 InterpolantComputations, 31 PerfectInterpolantSequences, 38430/41234 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...