./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/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_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0b2d978b2f3873db9b988022a041d2d18a2f859 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:41:05,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:41:05,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:41:05,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:41:05,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:41:05,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:41:05,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:41:05,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:41:05,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:41:05,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:41:05,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:41:05,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:41:05,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:41:05,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:41:05,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:41:05,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:41:05,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:41:05,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:41:05,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:41:05,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:41:05,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:41:05,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:41:05,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:41:05,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:41:05,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:41:05,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:41:05,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:41:05,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:41:05,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:41:05,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:41:05,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:41:05,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:41:05,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:41:05,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:41:05,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:41:05,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:41:05,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:41:05,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:41:05,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:41:05,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:41:05,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:41:05,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-30 01:41:05,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:41:05,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:41:05,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:41:05,562 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:41:05,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:41:05,563 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:41:05,563 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:41:05,563 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:41:05,564 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:41:05,564 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:41:05,565 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:41:05,566 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:41:05,566 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:41:05,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:41:05,567 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:41:05,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:41:05,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:41:05,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:41:05,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:41:05,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:41:05,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:41:05,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:41:05,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:41:05,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:41:05,571 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:41:05,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:41:05,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:41:05,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:41:05,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:41:05,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:41:05,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:41:05,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:41:05,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:41:05,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:41:05,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:41:05,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:41:05,577 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:41:05,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:41:05,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:41:05,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:41:05,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:41:05,578 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_0286abca-ad0a-424e-97a7-03e8de460bfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b2d978b2f3873db9b988022a041d2d18a2f859 [2020-11-30 01:41:05,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:41:05,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:41:05,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:41:05,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:41:05,968 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:41:05,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-11-30 01:41:06,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/data/aac8e4dc1/0eeff060b3604eceb9dbb0e529c59e12/FLAGcff59a11a [2020-11-30 01:41:06,783 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:41:06,784 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2020-11-30 01:41:06,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/data/aac8e4dc1/0eeff060b3604eceb9dbb0e529c59e12/FLAGcff59a11a [2020-11-30 01:41:07,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/data/aac8e4dc1/0eeff060b3604eceb9dbb0e529c59e12 [2020-11-30 01:41:07,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:41:07,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:41:07,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:41:07,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:41:07,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:41:07,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c59df25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07, skipping insertion in model container [2020-11-30 01:41:07,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:41:07,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:41:07,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:41:07,657 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:41:07,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:41:07,772 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:41:07,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07 WrapperNode [2020-11-30 01:41:07,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:41:07,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:41:07,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:41:07,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:41:07,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:41:07,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:41:07,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:41:07,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:41:07,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... [2020-11-30 01:41:07,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:41:07,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:41:07,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:41:07,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:41:07,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:41:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:41:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:41:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:41:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:41:08,275 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:41:09,429 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-30 01:41:09,430 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-30 01:41:10,083 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:41:10,084 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:41:10,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:10 BoogieIcfgContainer [2020-11-30 01:41:10,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:41:10,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:41:10,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:41:10,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:41:10,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:41:07" (1/3) ... [2020-11-30 01:41:10,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd843e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:41:10, skipping insertion in model container [2020-11-30 01:41:10,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:07" (2/3) ... [2020-11-30 01:41:10,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd843e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:41:10, skipping insertion in model container [2020-11-30 01:41:10,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:10" (3/3) ... [2020-11-30 01:41:10,103 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-11-30 01:41:10,118 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:41:10,125 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 01:41:10,142 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 01:41:10,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:41:10,189 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:41:10,189 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:41:10,189 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:41:10,189 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:41:10,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:41:10,190 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:41:10,190 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:41:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-30 01:41:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:41:10,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:10,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:10,220 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:10,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:10,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1056052326, now seen corresponding path program 1 times [2020-11-30 01:41:10,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:10,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600525579] [2020-11-30 01:41:10,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:41:10,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600525579] [2020-11-30 01:41:10,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:10,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:10,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903003559] [2020-11-30 01:41:10,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:10,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:10,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:10,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:10,606 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 3 states. [2020-11-30 01:41:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:11,043 INFO L93 Difference]: Finished difference Result 240 states and 405 transitions. [2020-11-30 01:41:11,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:11,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-30 01:41:11,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:11,074 INFO L225 Difference]: With dead ends: 240 [2020-11-30 01:41:11,074 INFO L226 Difference]: Without dead ends: 123 [2020-11-30 01:41:11,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-11-30 01:41:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-11-30 01:41:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-11-30 01:41:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2020-11-30 01:41:11,172 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 11 [2020-11-30 01:41:11,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:11,172 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2020-11-30 01:41:11,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2020-11-30 01:41:11,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:41:11,176 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:11,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:11,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:41:11,177 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:11,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:11,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1162316549, now seen corresponding path program 1 times [2020-11-30 01:41:11,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:11,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269316107] [2020-11-30 01:41:11,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:41:11,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269316107] [2020-11-30 01:41:11,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:11,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:11,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007638146] [2020-11-30 01:41:11,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:11,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:11,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:11,295 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand 3 states. [2020-11-30 01:41:11,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:11,642 INFO L93 Difference]: Finished difference Result 253 states and 367 transitions. [2020-11-30 01:41:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:11,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-30 01:41:11,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:11,645 INFO L225 Difference]: With dead ends: 253 [2020-11-30 01:41:11,645 INFO L226 Difference]: Without dead ends: 132 [2020-11-30 01:41:11,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-11-30 01:41:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2020-11-30 01:41:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-30 01:41:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-11-30 01:41:11,671 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 13 [2020-11-30 01:41:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:11,673 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-11-30 01:41:11,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-11-30 01:41:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:41:11,675 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:11,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:11,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:41:11,676 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:11,680 INFO L82 PathProgramCache]: Analyzing trace with hash -41115002, now seen corresponding path program 1 times [2020-11-30 01:41:11,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:11,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881516296] [2020-11-30 01:41:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:11,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:41:11,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881516296] [2020-11-30 01:41:11,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:11,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:11,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942491741] [2020-11-30 01:41:11,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:11,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:11,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:11,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:11,780 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-11-30 01:41:12,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:12,080 INFO L93 Difference]: Finished difference Result 255 states and 369 transitions. [2020-11-30 01:41:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:12,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-30 01:41:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:12,083 INFO L225 Difference]: With dead ends: 255 [2020-11-30 01:41:12,083 INFO L226 Difference]: Without dead ends: 133 [2020-11-30 01:41:12,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-30 01:41:12,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 125. [2020-11-30 01:41:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-30 01:41:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2020-11-30 01:41:12,096 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 14 [2020-11-30 01:41:12,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:12,096 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2020-11-30 01:41:12,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2020-11-30 01:41:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:41:12,098 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:12,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:12,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:41:12,098 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:12,099 INFO L82 PathProgramCache]: Analyzing trace with hash -90943136, now seen corresponding path program 1 times [2020-11-30 01:41:12,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:12,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820929362] [2020-11-30 01:41:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:41:12,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820929362] [2020-11-30 01:41:12,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:12,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:12,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279309402] [2020-11-30 01:41:12,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:12,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:12,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:12,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:12,157 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand 3 states. [2020-11-30 01:41:12,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:12,455 INFO L93 Difference]: Finished difference Result 257 states and 371 transitions. [2020-11-30 01:41:12,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:12,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-11-30 01:41:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:12,458 INFO L225 Difference]: With dead ends: 257 [2020-11-30 01:41:12,458 INFO L226 Difference]: Without dead ends: 134 [2020-11-30 01:41:12,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:12,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-11-30 01:41:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2020-11-30 01:41:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-11-30 01:41:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2020-11-30 01:41:12,475 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 15 [2020-11-30 01:41:12,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:12,475 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2020-11-30 01:41:12,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2020-11-30 01:41:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:41:12,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:12,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:12,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:41:12,478 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:12,480 INFO L82 PathProgramCache]: Analyzing trace with hash -2082953013, now seen corresponding path program 1 times [2020-11-30 01:41:12,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:12,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258799414] [2020-11-30 01:41:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:41:12,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258799414] [2020-11-30 01:41:12,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:12,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:12,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479209363] [2020-11-30 01:41:12,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:12,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:12,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:12,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:12,565 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand 3 states. [2020-11-30 01:41:12,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:12,859 INFO L93 Difference]: Finished difference Result 259 states and 373 transitions. [2020-11-30 01:41:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:12,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-30 01:41:12,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:12,862 INFO L225 Difference]: With dead ends: 259 [2020-11-30 01:41:12,862 INFO L226 Difference]: Without dead ends: 135 [2020-11-30 01:41:12,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:12,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-11-30 01:41:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 127. [2020-11-30 01:41:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-11-30 01:41:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-11-30 01:41:12,874 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2020-11-30 01:41:12,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:12,875 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-11-30 01:41:12,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-11-30 01:41:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:41:12,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:12,879 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 01:41:12,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:41:12,879 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:12,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:12,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1498636207, now seen corresponding path program 1 times [2020-11-30 01:41:12,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:12,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086683772] [2020-11-30 01:41:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:41:12,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086683772] [2020-11-30 01:41:12,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:12,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:12,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071759763] [2020-11-30 01:41:12,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:12,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:12,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:12,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:12,974 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2020-11-30 01:41:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:13,250 INFO L93 Difference]: Finished difference Result 281 states and 413 transitions. [2020-11-30 01:41:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:13,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-11-30 01:41:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:13,252 INFO L225 Difference]: With dead ends: 281 [2020-11-30 01:41:13,253 INFO L226 Difference]: Without dead ends: 156 [2020-11-30 01:41:13,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-30 01:41:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-11-30 01:41:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-30 01:41:13,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2020-11-30 01:41:13,265 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 38 [2020-11-30 01:41:13,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:13,265 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2020-11-30 01:41:13,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2020-11-30 01:41:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 01:41:13,274 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:13,274 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-30 01:41:13,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:41:13,276 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:13,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1274313282, now seen corresponding path program 1 times [2020-11-30 01:41:13,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:13,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295560416] [2020-11-30 01:41:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:13,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295560416] [2020-11-30 01:41:13,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:13,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:13,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995620099] [2020-11-30 01:41:13,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:13,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:13,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:13,361 INFO L87 Difference]: Start difference. First operand 156 states and 231 transitions. Second operand 3 states. [2020-11-30 01:41:13,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:13,617 INFO L93 Difference]: Finished difference Result 326 states and 481 transitions. [2020-11-30 01:41:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:13,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-11-30 01:41:13,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:13,620 INFO L225 Difference]: With dead ends: 326 [2020-11-30 01:41:13,620 INFO L226 Difference]: Without dead ends: 172 [2020-11-30 01:41:13,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:13,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-30 01:41:13,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2020-11-30 01:41:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-30 01:41:13,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 248 transitions. [2020-11-30 01:41:13,656 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 248 transitions. Word has length 49 [2020-11-30 01:41:13,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:13,657 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 248 transitions. [2020-11-30 01:41:13,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:13,657 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 248 transitions. [2020-11-30 01:41:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:41:13,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:13,659 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:13,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:41:13,660 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:13,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:13,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1982669577, now seen corresponding path program 1 times [2020-11-30 01:41:13,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:13,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75829664] [2020-11-30 01:41:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:13,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75829664] [2020-11-30 01:41:13,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:13,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:13,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20310696] [2020-11-30 01:41:13,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:13,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:13,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:13,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:13,758 INFO L87 Difference]: Start difference. First operand 170 states and 248 transitions. Second operand 3 states. [2020-11-30 01:41:13,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:13,960 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2020-11-30 01:41:13,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:13,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-11-30 01:41:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:13,962 INFO L225 Difference]: With dead ends: 341 [2020-11-30 01:41:13,962 INFO L226 Difference]: Without dead ends: 173 [2020-11-30 01:41:13,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-30 01:41:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2020-11-30 01:41:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-11-30 01:41:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 248 transitions. [2020-11-30 01:41:13,975 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 248 transitions. Word has length 50 [2020-11-30 01:41:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:13,975 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 248 transitions. [2020-11-30 01:41:13,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 248 transitions. [2020-11-30 01:41:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-30 01:41:13,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:13,977 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-11-30 01:41:13,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:41:13,981 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:13,982 INFO L82 PathProgramCache]: Analyzing trace with hash 214253281, now seen corresponding path program 1 times [2020-11-30 01:41:13,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:13,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721701157] [2020-11-30 01:41:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:14,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721701157] [2020-11-30 01:41:14,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:14,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:14,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047942395] [2020-11-30 01:41:14,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:14,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:14,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:14,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:14,062 INFO L87 Difference]: Start difference. First operand 171 states and 248 transitions. Second operand 3 states. [2020-11-30 01:41:14,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:14,276 INFO L93 Difference]: Finished difference Result 382 states and 565 transitions. [2020-11-30 01:41:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:14,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-11-30 01:41:14,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:14,279 INFO L225 Difference]: With dead ends: 382 [2020-11-30 01:41:14,279 INFO L226 Difference]: Without dead ends: 213 [2020-11-30 01:41:14,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-30 01:41:14,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2020-11-30 01:41:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-11-30 01:41:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2020-11-30 01:41:14,293 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 63 [2020-11-30 01:41:14,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:14,293 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2020-11-30 01:41:14,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2020-11-30 01:41:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 01:41:14,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:14,295 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:14,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:41:14,295 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:14,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:14,296 INFO L82 PathProgramCache]: Analyzing trace with hash -737463764, now seen corresponding path program 1 times [2020-11-30 01:41:14,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:14,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916460352] [2020-11-30 01:41:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:14,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916460352] [2020-11-30 01:41:14,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:14,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:14,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279037300] [2020-11-30 01:41:14,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:14,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:14,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:14,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:14,419 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand 3 states. [2020-11-30 01:41:14,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:14,702 INFO L93 Difference]: Finished difference Result 452 states and 679 transitions. [2020-11-30 01:41:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:14,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-11-30 01:41:14,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:14,705 INFO L225 Difference]: With dead ends: 452 [2020-11-30 01:41:14,705 INFO L226 Difference]: Without dead ends: 243 [2020-11-30 01:41:14,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:14,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-11-30 01:41:14,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 236. [2020-11-30 01:41:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-30 01:41:14,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 351 transitions. [2020-11-30 01:41:14,723 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 351 transitions. Word has length 64 [2020-11-30 01:41:14,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:14,723 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 351 transitions. [2020-11-30 01:41:14,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 351 transitions. [2020-11-30 01:41:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 01:41:14,725 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:14,725 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-30 01:41:14,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:41:14,725 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:14,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:14,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1410046284, now seen corresponding path program 1 times [2020-11-30 01:41:14,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:14,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984973225] [2020-11-30 01:41:14,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:14,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984973225] [2020-11-30 01:41:14,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:14,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:14,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263276525] [2020-11-30 01:41:14,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:14,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:14,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:14,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:14,800 INFO L87 Difference]: Start difference. First operand 236 states and 351 transitions. Second operand 3 states. [2020-11-30 01:41:15,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:15,057 INFO L93 Difference]: Finished difference Result 473 states and 704 transitions. [2020-11-30 01:41:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:15,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-11-30 01:41:15,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:15,059 INFO L225 Difference]: With dead ends: 473 [2020-11-30 01:41:15,059 INFO L226 Difference]: Without dead ends: 239 [2020-11-30 01:41:15,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:15,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-11-30 01:41:15,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2020-11-30 01:41:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-11-30 01:41:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 351 transitions. [2020-11-30 01:41:15,076 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 351 transitions. Word has length 64 [2020-11-30 01:41:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:15,079 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 351 transitions. [2020-11-30 01:41:15,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 351 transitions. [2020-11-30 01:41:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 01:41:15,081 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:15,081 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:15,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:41:15,081 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:15,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:15,082 INFO L82 PathProgramCache]: Analyzing trace with hash -699469375, now seen corresponding path program 1 times [2020-11-30 01:41:15,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:15,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302275778] [2020-11-30 01:41:15,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:15,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302275778] [2020-11-30 01:41:15,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:15,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:15,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099922113] [2020-11-30 01:41:15,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:15,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:15,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:15,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:15,171 INFO L87 Difference]: Start difference. First operand 237 states and 351 transitions. Second operand 3 states. [2020-11-30 01:41:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:15,455 INFO L93 Difference]: Finished difference Result 479 states and 712 transitions. [2020-11-30 01:41:15,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:15,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-11-30 01:41:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:15,458 INFO L225 Difference]: With dead ends: 479 [2020-11-30 01:41:15,458 INFO L226 Difference]: Without dead ends: 244 [2020-11-30 01:41:15,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-30 01:41:15,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 237. [2020-11-30 01:41:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-11-30 01:41:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 348 transitions. [2020-11-30 01:41:15,476 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 348 transitions. Word has length 65 [2020-11-30 01:41:15,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:15,476 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 348 transitions. [2020-11-30 01:41:15,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 348 transitions. [2020-11-30 01:41:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:41:15,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:15,478 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:15,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:41:15,479 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:15,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:15,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1156256795, now seen corresponding path program 1 times [2020-11-30 01:41:15,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:15,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187240267] [2020-11-30 01:41:15,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:15,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187240267] [2020-11-30 01:41:15,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:15,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:15,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143267512] [2020-11-30 01:41:15,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:15,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:15,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:15,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:15,547 INFO L87 Difference]: Start difference. First operand 237 states and 348 transitions. Second operand 3 states. [2020-11-30 01:41:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:15,831 INFO L93 Difference]: Finished difference Result 517 states and 764 transitions. [2020-11-30 01:41:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:15,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-11-30 01:41:15,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:15,834 INFO L225 Difference]: With dead ends: 517 [2020-11-30 01:41:15,834 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 01:41:15,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 01:41:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 278. [2020-11-30 01:41:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-11-30 01:41:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 413 transitions. [2020-11-30 01:41:15,851 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 413 transitions. Word has length 78 [2020-11-30 01:41:15,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:15,851 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 413 transitions. [2020-11-30 01:41:15,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 413 transitions. [2020-11-30 01:41:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 01:41:15,853 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:15,853 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:15,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:41:15,853 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:15,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:15,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1294246827, now seen corresponding path program 1 times [2020-11-30 01:41:15,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:15,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819935340] [2020-11-30 01:41:15,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:41:15,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819935340] [2020-11-30 01:41:15,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:15,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:15,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336951968] [2020-11-30 01:41:15,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:15,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:15,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:15,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:15,905 INFO L87 Difference]: Start difference. First operand 278 states and 413 transitions. Second operand 3 states. [2020-11-30 01:41:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:16,190 INFO L93 Difference]: Finished difference Result 570 states and 851 transitions. [2020-11-30 01:41:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:16,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-11-30 01:41:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:16,193 INFO L225 Difference]: With dead ends: 570 [2020-11-30 01:41:16,193 INFO L226 Difference]: Without dead ends: 292 [2020-11-30 01:41:16,194 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 [2020-11-30 01:41:16,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-11-30 01:41:16,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2020-11-30 01:41:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-11-30 01:41:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 432 transitions. [2020-11-30 01:41:16,212 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 432 transitions. Word has length 79 [2020-11-30 01:41:16,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:16,212 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 432 transitions. [2020-11-30 01:41:16,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 432 transitions. [2020-11-30 01:41:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 01:41:16,214 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:16,214 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:16,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 01:41:16,214 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:16,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:16,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1013107889, now seen corresponding path program 1 times [2020-11-30 01:41:16,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:16,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937884242] [2020-11-30 01:41:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:41:16,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937884242] [2020-11-30 01:41:16,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:16,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:16,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325649263] [2020-11-30 01:41:16,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:16,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:16,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:16,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:16,266 INFO L87 Difference]: Start difference. First operand 288 states and 432 transitions. Second operand 3 states. [2020-11-30 01:41:16,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:16,482 INFO L93 Difference]: Finished difference Result 607 states and 913 transitions. [2020-11-30 01:41:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:16,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-11-30 01:41:16,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:16,486 INFO L225 Difference]: With dead ends: 607 [2020-11-30 01:41:16,486 INFO L226 Difference]: Without dead ends: 321 [2020-11-30 01:41:16,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-11-30 01:41:16,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 311. [2020-11-30 01:41:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-11-30 01:41:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 462 transitions. [2020-11-30 01:41:16,505 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 462 transitions. Word has length 88 [2020-11-30 01:41:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:16,505 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 462 transitions. [2020-11-30 01:41:16,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 462 transitions. [2020-11-30 01:41:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 01:41:16,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:16,507 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:41:16,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 01:41:16,508 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:16,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:16,508 INFO L82 PathProgramCache]: Analyzing trace with hash 565381252, now seen corresponding path program 1 times [2020-11-30 01:41:16,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:16,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363957333] [2020-11-30 01:41:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:41:16,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363957333] [2020-11-30 01:41:16,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:16,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:16,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581314933] [2020-11-30 01:41:16,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:16,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:16,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:16,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:16,571 INFO L87 Difference]: Start difference. First operand 311 states and 462 transitions. Second operand 3 states. [2020-11-30 01:41:16,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:16,796 INFO L93 Difference]: Finished difference Result 630 states and 938 transitions. [2020-11-30 01:41:16,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:16,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-11-30 01:41:16,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:16,800 INFO L225 Difference]: With dead ends: 630 [2020-11-30 01:41:16,800 INFO L226 Difference]: Without dead ends: 321 [2020-11-30 01:41:16,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-11-30 01:41:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 311. [2020-11-30 01:41:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-11-30 01:41:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 457 transitions. [2020-11-30 01:41:16,820 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 457 transitions. Word has length 89 [2020-11-30 01:41:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:16,822 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 457 transitions. [2020-11-30 01:41:16,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 457 transitions. [2020-11-30 01:41:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 01:41:16,825 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:16,825 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:16,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 01:41:16,826 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:16,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1606185546, now seen corresponding path program 1 times [2020-11-30 01:41:16,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:16,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129551190] [2020-11-30 01:41:16,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-30 01:41:16,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129551190] [2020-11-30 01:41:16,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:16,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:16,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841321259] [2020-11-30 01:41:16,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:16,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:16,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:16,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:16,898 INFO L87 Difference]: Start difference. First operand 311 states and 457 transitions. Second operand 3 states. [2020-11-30 01:41:17,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:17,114 INFO L93 Difference]: Finished difference Result 644 states and 947 transitions. [2020-11-30 01:41:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:17,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-11-30 01:41:17,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:17,118 INFO L225 Difference]: With dead ends: 644 [2020-11-30 01:41:17,118 INFO L226 Difference]: Without dead ends: 335 [2020-11-30 01:41:17,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:17,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-11-30 01:41:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2020-11-30 01:41:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-11-30 01:41:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 482 transitions. [2020-11-30 01:41:17,139 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 482 transitions. Word has length 107 [2020-11-30 01:41:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:17,139 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 482 transitions. [2020-11-30 01:41:17,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 482 transitions. [2020-11-30 01:41:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-30 01:41:17,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:17,145 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:41:17,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 01:41:17,146 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:17,146 INFO L82 PathProgramCache]: Analyzing trace with hash 252828097, now seen corresponding path program 1 times [2020-11-30 01:41:17,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:17,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882043346] [2020-11-30 01:41:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-30 01:41:17,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882043346] [2020-11-30 01:41:17,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:17,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:17,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539804298] [2020-11-30 01:41:17,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:17,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:17,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:17,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:17,217 INFO L87 Difference]: Start difference. First operand 332 states and 482 transitions. Second operand 3 states. [2020-11-30 01:41:17,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:17,455 INFO L93 Difference]: Finished difference Result 665 states and 966 transitions. [2020-11-30 01:41:17,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:17,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-30 01:41:17,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:17,459 INFO L225 Difference]: With dead ends: 665 [2020-11-30 01:41:17,459 INFO L226 Difference]: Without dead ends: 335 [2020-11-30 01:41:17,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:17,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-11-30 01:41:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2020-11-30 01:41:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-11-30 01:41:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 476 transitions. [2020-11-30 01:41:17,479 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 476 transitions. Word has length 108 [2020-11-30 01:41:17,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:17,480 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 476 transitions. [2020-11-30 01:41:17,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 476 transitions. [2020-11-30 01:41:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 01:41:17,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:17,482 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:17,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 01:41:17,483 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:17,483 INFO L82 PathProgramCache]: Analyzing trace with hash 296468151, now seen corresponding path program 1 times [2020-11-30 01:41:17,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:17,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870769582] [2020-11-30 01:41:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:41:17,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870769582] [2020-11-30 01:41:17,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:17,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:17,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643696062] [2020-11-30 01:41:17,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:17,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:17,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:17,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:17,550 INFO L87 Difference]: Start difference. First operand 332 states and 476 transitions. Second operand 3 states. [2020-11-30 01:41:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:17,821 INFO L93 Difference]: Finished difference Result 703 states and 1009 transitions. [2020-11-30 01:41:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:17,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-30 01:41:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:17,825 INFO L225 Difference]: With dead ends: 703 [2020-11-30 01:41:17,825 INFO L226 Difference]: Without dead ends: 373 [2020-11-30 01:41:17,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-11-30 01:41:17,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 370. [2020-11-30 01:41:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-11-30 01:41:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 530 transitions. [2020-11-30 01:41:17,865 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 530 transitions. Word has length 116 [2020-11-30 01:41:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:17,866 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 530 transitions. [2020-11-30 01:41:17,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 530 transitions. [2020-11-30 01:41:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-30 01:41:17,868 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:17,868 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:17,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 01:41:17,869 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash 260590289, now seen corresponding path program 1 times [2020-11-30 01:41:17,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:17,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732913088] [2020-11-30 01:41:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:41:17,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732913088] [2020-11-30 01:41:17,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:17,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:17,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358181012] [2020-11-30 01:41:17,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:17,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:17,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:17,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:17,924 INFO L87 Difference]: Start difference. First operand 370 states and 530 transitions. Second operand 3 states. [2020-11-30 01:41:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:18,195 INFO L93 Difference]: Finished difference Result 741 states and 1061 transitions. [2020-11-30 01:41:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:18,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-30 01:41:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:18,199 INFO L225 Difference]: With dead ends: 741 [2020-11-30 01:41:18,199 INFO L226 Difference]: Without dead ends: 371 [2020-11-30 01:41:18,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:18,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-11-30 01:41:18,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 368. [2020-11-30 01:41:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-11-30 01:41:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 525 transitions. [2020-11-30 01:41:18,223 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 525 transitions. Word has length 117 [2020-11-30 01:41:18,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:18,223 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 525 transitions. [2020-11-30 01:41:18,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 525 transitions. [2020-11-30 01:41:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 01:41:18,226 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:18,226 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:18,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 01:41:18,226 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:18,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:18,227 INFO L82 PathProgramCache]: Analyzing trace with hash 633251917, now seen corresponding path program 1 times [2020-11-30 01:41:18,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:18,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546871344] [2020-11-30 01:41:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-11-30 01:41:18,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546871344] [2020-11-30 01:41:18,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:18,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:18,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809301773] [2020-11-30 01:41:18,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:18,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:18,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:18,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:18,275 INFO L87 Difference]: Start difference. First operand 368 states and 525 transitions. Second operand 3 states. [2020-11-30 01:41:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:18,513 INFO L93 Difference]: Finished difference Result 755 states and 1077 transitions. [2020-11-30 01:41:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:18,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-30 01:41:18,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:18,517 INFO L225 Difference]: With dead ends: 755 [2020-11-30 01:41:18,517 INFO L226 Difference]: Without dead ends: 389 [2020-11-30 01:41:18,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-11-30 01:41:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2020-11-30 01:41:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-11-30 01:41:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 544 transitions. [2020-11-30 01:41:18,543 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 544 transitions. Word has length 124 [2020-11-30 01:41:18,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:18,543 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 544 transitions. [2020-11-30 01:41:18,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 544 transitions. [2020-11-30 01:41:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-30 01:41:18,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:18,546 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-30 01:41:18,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 01:41:18,547 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:18,548 INFO L82 PathProgramCache]: Analyzing trace with hash -287328190, now seen corresponding path program 1 times [2020-11-30 01:41:18,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:18,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211236123] [2020-11-30 01:41:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-11-30 01:41:18,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211236123] [2020-11-30 01:41:18,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:41:18,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:41:18,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55454028] [2020-11-30 01:41:18,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:41:18,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:41:18,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:41:18,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:18,607 INFO L87 Difference]: Start difference. First operand 387 states and 544 transitions. Second operand 3 states. [2020-11-30 01:41:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:41:18,836 INFO L93 Difference]: Finished difference Result 774 states and 1088 transitions. [2020-11-30 01:41:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:41:18,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-30 01:41:18,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:41:18,842 INFO L225 Difference]: With dead ends: 774 [2020-11-30 01:41:18,843 INFO L226 Difference]: Without dead ends: 389 [2020-11-30 01:41:18,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:41:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-11-30 01:41:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2020-11-30 01:41:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-11-30 01:41:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 536 transitions. [2020-11-30 01:41:18,871 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 536 transitions. Word has length 125 [2020-11-30 01:41:18,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:41:18,872 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 536 transitions. [2020-11-30 01:41:18,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:41:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 536 transitions. [2020-11-30 01:41:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 01:41:18,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:41:18,875 INFO L422 BasicCegarLoop]: trace histogram [7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:41:18,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 01:41:18,875 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:41:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:41:18,876 INFO L82 PathProgramCache]: Analyzing trace with hash 829675238, now seen corresponding path program 1 times [2020-11-30 01:41:18,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:41:18,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051608272] [2020-11-30 01:41:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:41:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-30 01:41:18,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051608272] [2020-11-30 01:41:18,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052906935] [2020-11-30 01:41:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:41:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:41:19,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:41:19,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:41:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-30 01:41:19,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:41:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-30 01:41:19,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1078509254] [2020-11-30 01:41:19,449 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2020-11-30 01:41:19,449 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:41:19,455 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:41:19,462 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:41:19,463 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:41:20,041 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-11-30 01:41:20,383 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-11-30 01:41:20,760 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-30 01:41:21,047 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-30 01:41:21,371 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-11-30 01:41:21,575 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-11-30 01:41:21,887 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-11-30 01:41:22,489 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2020-11-30 01:41:22,707 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-11-30 01:41:22,946 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-11-30 01:41:23,201 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-11-30 01:41:23,401 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-30 01:41:25,793 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2020-11-30 01:41:25,971 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 214 [2020-11-30 01:41:26,147 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 214 [2020-11-30 01:41:27,071 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 01:41:28,329 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 161 DAG size of output: 146 [2020-11-30 01:41:31,475 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-11-30 01:41:32,286 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 119 [2020-11-30 01:41:33,310 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-11-30 01:41:34,055 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-11-30 01:41:34,784 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-11-30 01:41:35,555 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-11-30 01:41:36,313 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-11-30 01:41:37,074 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-11-30 01:41:37,839 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 140 [2020-11-30 01:41:38,673 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-11-30 01:41:39,518 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 146 [2020-11-30 01:41:40,268 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-11-30 01:41:41,080 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 128 [2020-11-30 01:41:41,762 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2020-11-30 01:41:42,473 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-11-30 01:41:43,332 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2020-11-30 01:41:44,204 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-11-30 01:41:45,126 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 154 [2020-11-30 01:41:45,898 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2020-11-30 01:41:46,915 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 128 [2020-11-30 01:41:47,902 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 157 [2020-11-30 01:41:48,860 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2020-11-30 01:41:49,791 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 124 [2020-11-30 01:41:50,578 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 124 [2020-11-30 01:41:51,581 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 163 [2020-11-30 01:41:52,678 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 166 [2020-11-30 01:41:53,614 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 124 [2020-11-30 01:41:54,633 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2020-11-30 01:41:55,635 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 128 [2020-11-30 01:41:56,541 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2020-11-30 01:41:57,630 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2020-11-30 01:41:58,721 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 172 [2020-11-30 01:41:59,689 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 124 [2020-11-30 01:42:00,688 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 122 [2020-11-30 01:42:01,586 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 125 [2020-11-30 01:42:02,741 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2020-11-30 01:42:03,992 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 178 [2020-11-30 01:42:05,203 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 181 [2020-11-30 01:42:06,475 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 184 [2020-11-30 01:42:07,635 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 128 [2020-11-30 01:42:08,757 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 128 [2020-11-30 01:42:09,516 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2020-11-30 01:42:10,395 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-11-30 01:42:11,290 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 132 [2020-11-30 01:42:12,294 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 135 [2020-11-30 01:42:13,333 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-11-30 01:42:14,321 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 143 [2020-11-30 01:42:14,324 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 01:42:14,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:42:14,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-11-30 01:42:14,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153508996] [2020-11-30 01:42:14,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:42:14,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:42:14,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:42:14,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=2243, Unknown=0, NotChecked=0, Total=2862 [2020-11-30 01:42:14,338 INFO L87 Difference]: Start difference. First operand 387 states and 536 transitions. Second operand 6 states. [2020-11-30 01:42:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:42:15,563 INFO L93 Difference]: Finished difference Result 1506 states and 2083 transitions. [2020-11-30 01:42:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:42:15,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2020-11-30 01:42:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:42:15,573 INFO L225 Difference]: With dead ends: 1506 [2020-11-30 01:42:15,573 INFO L226 Difference]: Without dead ends: 1089 [2020-11-30 01:42:15,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 47.4s TimeCoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306 [2020-11-30 01:42:15,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-11-30 01:42:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 453. [2020-11-30 01:42:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-11-30 01:42:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 630 transitions. [2020-11-30 01:42:15,622 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 630 transitions. Word has length 138 [2020-11-30 01:42:15,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:42:15,622 INFO L481 AbstractCegarLoop]: Abstraction has 453 states and 630 transitions. [2020-11-30 01:42:15,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:42:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 630 transitions. [2020-11-30 01:42:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 01:42:15,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:42:15,626 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:42:15,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-11-30 01:42:15,842 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:42:15,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:42:15,842 INFO L82 PathProgramCache]: Analyzing trace with hash -503487558, now seen corresponding path program 1 times [2020-11-30 01:42:15,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:42:15,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207221751] [2020-11-30 01:42:15,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:42:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:42:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-30 01:42:15,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207221751] [2020-11-30 01:42:15,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536936129] [2020-11-30 01:42:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:42:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:42:16,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:42:16,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:42:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-30 01:42:16,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:42:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-30 01:42:16,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1034469475] [2020-11-30 01:42:16,230 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2020-11-30 01:42:16,231 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:42:16,231 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:42:16,232 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:42:16,232 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:42:16,529 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-11-30 01:42:17,076 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-11-30 01:42:17,482 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-11-30 01:42:17,642 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-11-30 01:42:21,577 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 01:42:22,499 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 149 [2020-11-30 01:42:24,375 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-11-30 01:42:24,928 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 119 [2020-11-30 01:42:25,524 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-11-30 01:42:26,140 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-11-30 01:42:26,833 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-11-30 01:42:27,486 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2020-11-30 01:42:28,208 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-11-30 01:42:28,923 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-11-30 01:42:29,762 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 140 [2020-11-30 01:42:30,523 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-11-30 01:42:31,357 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 146 [2020-11-30 01:42:32,174 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-11-30 01:42:33,013 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 128 [2020-11-30 01:42:33,724 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2020-11-30 01:42:34,541 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-11-30 01:42:35,465 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2020-11-30 01:42:36,416 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-11-30 01:42:37,335 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 154 [2020-11-30 01:42:38,171 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2020-11-30 01:42:39,051 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 128 [2020-11-30 01:42:40,085 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 157 [2020-11-30 01:42:41,100 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2020-11-30 01:42:42,024 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 124 [2020-11-30 01:42:42,990 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 124 [2020-11-30 01:42:43,932 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 163 [2020-11-30 01:42:45,006 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 166 [2020-11-30 01:42:46,008 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 124 [2020-11-30 01:42:47,094 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2020-11-30 01:42:48,167 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 128 [2020-11-30 01:42:49,139 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2020-11-30 01:42:50,271 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2020-11-30 01:42:51,421 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 172 [2020-11-30 01:42:52,450 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 124 [2020-11-30 01:42:53,436 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 122 [2020-11-30 01:42:54,458 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 125 [2020-11-30 01:42:55,650 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2020-11-30 01:42:56,880 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 190 DAG size of output: 178 [2020-11-30 01:42:58,155 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 193 DAG size of output: 181 [2020-11-30 01:42:59,445 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 196 DAG size of output: 184 [2020-11-30 01:43:00,664 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 128 [2020-11-30 01:43:01,888 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 128 [2020-11-30 01:43:02,764 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 124 [2020-11-30 01:43:03,653 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2020-11-30 01:43:04,573 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2020-11-30 01:43:05,522 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2020-11-30 01:43:06,491 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 136 [2020-11-30 01:43:07,531 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 140 [2020-11-30 01:43:08,632 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2020-11-30 01:43:09,794 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 146 [2020-11-30 01:43:09,796 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 01:43:09,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:43:09,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-11-30 01:43:09,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808999956] [2020-11-30 01:43:09,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:43:09,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:09,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:43:09,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=626, Invalid=2454, Unknown=0, NotChecked=0, Total=3080 [2020-11-30 01:43:09,800 INFO L87 Difference]: Start difference. First operand 453 states and 630 transitions. Second operand 6 states. [2020-11-30 01:43:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:11,681 INFO L93 Difference]: Finished difference Result 1737 states and 2377 transitions. [2020-11-30 01:43:11,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:43:11,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-11-30 01:43:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:11,692 INFO L225 Difference]: With dead ends: 1737 [2020-11-30 01:43:11,692 INFO L226 Difference]: Without dead ends: 1286 [2020-11-30 01:43:11,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 48.4s TimeCoverageRelationStatistics Valid=651, Invalid=2889, Unknown=0, NotChecked=0, Total=3540 [2020-11-30 01:43:11,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-11-30 01:43:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 503. [2020-11-30 01:43:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-11-30 01:43:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 683 transitions. [2020-11-30 01:43:11,744 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 683 transitions. Word has length 141 [2020-11-30 01:43:11,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:11,744 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 683 transitions. [2020-11-30 01:43:11,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:43:11,745 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 683 transitions. [2020-11-30 01:43:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-30 01:43:11,747 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:11,748 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:43:11,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:43:11,974 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:11,974 INFO L82 PathProgramCache]: Analyzing trace with hash -899473543, now seen corresponding path program 1 times [2020-11-30 01:43:11,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:11,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532151444] [2020-11-30 01:43:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:43:12,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532151444] [2020-11-30 01:43:12,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517315295] [2020-11-30 01:43:12,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:43:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:12,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:43:12,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:43:12,383 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 85 proven. 85 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:43:12,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:43:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:43:12,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [934346839] [2020-11-30 01:43:12,486 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2020-11-30 01:43:12,486 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:43:12,487 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:43:12,487 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:43:12,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:43:14,576 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 226 [2020-11-30 01:43:15,331 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 01:43:15,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:43:15,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2020-11-30 01:43:15,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469240597] [2020-11-30 01:43:15,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 01:43:15,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:15,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 01:43:15,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:43:15,335 INFO L87 Difference]: Start difference. First operand 503 states and 683 transitions. Second operand 10 states. [2020-11-30 01:43:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:19,002 INFO L93 Difference]: Finished difference Result 2425 states and 3218 transitions. [2020-11-30 01:43:19,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-30 01:43:19,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-11-30 01:43:19,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:19,013 INFO L225 Difference]: With dead ends: 2425 [2020-11-30 01:43:19,014 INFO L226 Difference]: Without dead ends: 975 [2020-11-30 01:43:19,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2020-11-30 01:43:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-11-30 01:43:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 538. [2020-11-30 01:43:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-11-30 01:43:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 710 transitions. [2020-11-30 01:43:19,062 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 710 transitions. Word has length 150 [2020-11-30 01:43:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:19,062 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 710 transitions. [2020-11-30 01:43:19,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 01:43:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 710 transitions. [2020-11-30 01:43:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 01:43:19,066 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:19,066 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:43:19,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable435 [2020-11-30 01:43:19,282 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:19,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:19,282 INFO L82 PathProgramCache]: Analyzing trace with hash -120696015, now seen corresponding path program 1 times [2020-11-30 01:43:19,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:19,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451968771] [2020-11-30 01:43:19,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-11-30 01:43:19,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451968771] [2020-11-30 01:43:19,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:43:19,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:43:19,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192043330] [2020-11-30 01:43:19,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:43:19,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:43:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:19,366 INFO L87 Difference]: Start difference. First operand 538 states and 710 transitions. Second operand 3 states. [2020-11-30 01:43:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:19,733 INFO L93 Difference]: Finished difference Result 1091 states and 1437 transitions. [2020-11-30 01:43:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:43:19,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-11-30 01:43:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:19,738 INFO L225 Difference]: With dead ends: 1091 [2020-11-30 01:43:19,738 INFO L226 Difference]: Without dead ends: 543 [2020-11-30 01:43:19,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:19,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-11-30 01:43:19,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 539. [2020-11-30 01:43:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-11-30 01:43:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 702 transitions. [2020-11-30 01:43:19,778 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 702 transitions. Word has length 183 [2020-11-30 01:43:19,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:19,779 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 702 transitions. [2020-11-30 01:43:19,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:43:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 702 transitions. [2020-11-30 01:43:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-11-30 01:43:19,785 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:19,785 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:43:19,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable565 [2020-11-30 01:43:19,786 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:19,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:19,786 INFO L82 PathProgramCache]: Analyzing trace with hash 555269245, now seen corresponding path program 1 times [2020-11-30 01:43:19,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:19,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040767134] [2020-11-30 01:43:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1097 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2020-11-30 01:43:19,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040767134] [2020-11-30 01:43:19,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:43:19,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:43:19,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973162097] [2020-11-30 01:43:19,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:43:19,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:19,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:43:19,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:19,926 INFO L87 Difference]: Start difference. First operand 539 states and 702 transitions. Second operand 3 states. [2020-11-30 01:43:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:20,223 INFO L93 Difference]: Finished difference Result 1110 states and 1441 transitions. [2020-11-30 01:43:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:43:20,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2020-11-30 01:43:20,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:20,230 INFO L225 Difference]: With dead ends: 1110 [2020-11-30 01:43:20,230 INFO L226 Difference]: Without dead ends: 573 [2020-11-30 01:43:20,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:20,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-11-30 01:43:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 571. [2020-11-30 01:43:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-11-30 01:43:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 737 transitions. [2020-11-30 01:43:20,273 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 737 transitions. Word has length 310 [2020-11-30 01:43:20,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:20,274 INFO L481 AbstractCegarLoop]: Abstraction has 571 states and 737 transitions. [2020-11-30 01:43:20,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:43:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 737 transitions. [2020-11-30 01:43:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-11-30 01:43:20,281 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:20,282 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:43:20,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable566 [2020-11-30 01:43:20,282 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:20,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:20,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1941151914, now seen corresponding path program 1 times [2020-11-30 01:43:20,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:20,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955186030] [2020-11-30 01:43:20,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 779 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2020-11-30 01:43:20,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955186030] [2020-11-30 01:43:20,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:43:20,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:43:20,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374380348] [2020-11-30 01:43:20,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:43:20,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:20,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:43:20,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:20,434 INFO L87 Difference]: Start difference. First operand 571 states and 737 transitions. Second operand 3 states. [2020-11-30 01:43:20,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:20,680 INFO L93 Difference]: Finished difference Result 1141 states and 1472 transitions. [2020-11-30 01:43:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:43:20,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-11-30 01:43:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:20,685 INFO L225 Difference]: With dead ends: 1141 [2020-11-30 01:43:20,685 INFO L226 Difference]: Without dead ends: 572 [2020-11-30 01:43:20,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:43:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-11-30 01:43:20,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2020-11-30 01:43:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-11-30 01:43:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 731 transitions. [2020-11-30 01:43:20,728 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 731 transitions. Word has length 340 [2020-11-30 01:43:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:20,729 INFO L481 AbstractCegarLoop]: Abstraction has 570 states and 731 transitions. [2020-11-30 01:43:20,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:43:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 731 transitions. [2020-11-30 01:43:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-11-30 01:43:20,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:43:20,739 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:43:20,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable567 [2020-11-30 01:43:20,740 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:43:20,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:43:20,740 INFO L82 PathProgramCache]: Analyzing trace with hash 43028906, now seen corresponding path program 1 times [2020-11-30 01:43:20,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:43:20,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076977836] [2020-11-30 01:43:20,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:43:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 438 proven. 300 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2020-11-30 01:43:21,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076977836] [2020-11-30 01:43:21,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174083345] [2020-11-30 01:43:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:43:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:43:21,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 01:43:21,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:43:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 347 proven. 470 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2020-11-30 01:43:21,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:43:21,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 461 proven. 356 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2020-11-30 01:43:21,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [813413167] [2020-11-30 01:43:21,909 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2020-11-30 01:43:21,909 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:43:21,910 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:43:21,910 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:43:21,911 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:43:24,964 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2020-11-30 01:43:29,024 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 01:43:29,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:43:29,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2020-11-30 01:43:29,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803599966] [2020-11-30 01:43:29,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-30 01:43:29,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:43:29,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-30 01:43:29,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-11-30 01:43:29,030 INFO L87 Difference]: Start difference. First operand 570 states and 731 transitions. Second operand 13 states. [2020-11-30 01:43:30,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:43:30,639 INFO L93 Difference]: Finished difference Result 1314 states and 1680 transitions. [2020-11-30 01:43:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 01:43:30,640 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 372 [2020-11-30 01:43:30,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:43:30,641 INFO L225 Difference]: With dead ends: 1314 [2020-11-30 01:43:30,641 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:43:30,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-11-30 01:43:30,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:43:30,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:43:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:43:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:43:30,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 372 [2020-11-30 01:43:30,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:43:30,644 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:43:30,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-30 01:43:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:43:30,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:43:30,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable568,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:43:30,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:43:31,440 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 168 [2020-11-30 01:43:31,784 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 129 [2020-11-30 01:43:32,182 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 168 [2020-11-30 01:43:32,546 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 167 [2020-11-30 01:43:32,824 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 168 [2020-11-30 01:43:33,228 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 26 [2020-11-30 01:43:33,621 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2020-11-30 01:43:34,191 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 49 [2020-11-30 01:43:36,649 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 157 DAG size of output: 75 [2020-11-30 01:43:36,854 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 13 [2020-11-30 01:43:37,090 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-11-30 01:43:37,338 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 48 [2020-11-30 01:43:37,630 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 25 [2020-11-30 01:43:39,094 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2020-11-30 01:43:41,538 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 157 DAG size of output: 75 [2020-11-30 01:43:42,083 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 49 [2020-11-30 01:43:42,339 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 7 [2020-11-30 01:43:42,578 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-11-30 01:43:42,933 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 26 [2020-11-30 01:43:43,484 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 49 [2020-11-30 01:43:43,708 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 18 [2020-11-30 01:43:44,054 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2020-11-30 01:43:46,712 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 156 DAG size of output: 75 [2020-11-30 01:43:47,040 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-11-30 01:43:49,514 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 157 DAG size of output: 75 [2020-11-30 01:43:49,916 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 19 [2020-11-30 01:43:49,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-11-30 01:43:49,921 INFO L270 CegarLoopResult]: At program point L135(lines 128 622) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.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 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.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))) (.cse15 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 01:43:49,921 INFO L274 CegarLoopResult]: For program point L631(lines 631 659) no Hoare annotation was computed. [2020-11-30 01:43:49,921 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-11-30 01:43:49,921 INFO L274 CegarLoopResult]: For program point L632(lines 632 656) no Hoare annotation was computed. [2020-11-30 01:43:49,921 INFO L274 CegarLoopResult]: For program point L500-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:43:49,921 INFO L270 CegarLoopResult]: At program point L203(lines 203 597) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= 24576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 16384)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (and (< ULTIMATE.start_ssl3_accept_~s__state~0 12292) (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-30 01:43:49,921 INFO L274 CegarLoopResult]: For program point L170(lines 170 608) no Hoare annotation was computed. [2020-11-30 01:43:49,921 INFO L274 CegarLoopResult]: For program point L137(lines 137 619) no Hoare annotation was computed. [2020-11-30 01:43:49,922 INFO L270 CegarLoopResult]: At program point L104(lines 104 630) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse13 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse18 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (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))) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse15 .cse16 .cse9 .cse10 .cse11 .cse17) (and .cse18 .cse13 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) .cse17) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse1 .cse2 .cse3 .cse4 .cse5 .cse20 .cse7 .cse18 .cse21 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse12 .cse1 .cse2 .cse3 .cse4 .cse14 .cse5 .cse20 .cse15 .cse18 .cse21 .cse16 .cse9 .cse10 .cse11 .cse17)))) [2020-11-30 01:43:49,922 INFO L274 CegarLoopResult]: For program point L633(lines 633 642) no Hoare annotation was computed. [2020-11-30 01:43:49,922 INFO L274 CegarLoopResult]: For program point L633-2(lines 632 654) no Hoare annotation was computed. [2020-11-30 01:43:49,922 INFO L274 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-11-30 01:43:49,922 INFO L270 CegarLoopResult]: At program point L204(lines 200 598) the Hoare annotation is: (and (< ULTIMATE.start_ssl3_accept_~s__state~0 12292) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-11-30 01:43:49,923 INFO L274 CegarLoopResult]: For program point L304-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:43:49,923 INFO L274 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-11-30 01:43:49,923 INFO L274 CegarLoopResult]: For program point L173(lines 173 607) no Hoare annotation was computed. [2020-11-30 01:43:49,924 INFO L274 CegarLoopResult]: For program point L140(lines 140 618) no Hoare annotation was computed. [2020-11-30 01:43:49,924 INFO L274 CegarLoopResult]: For program point L107(lines 107 629) no Hoare annotation was computed. [2020-11-30 01:43:49,924 INFO L274 CegarLoopResult]: For program point L339-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:43:49,924 INFO L270 CegarLoopResult]: At program point L174(lines 170 608) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0) (< ULTIMATE.start_ssl3_accept_~s__state~0 12292) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-11-30 01:43:49,924 INFO L270 CegarLoopResult]: At program point L141(lines 137 619) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8560 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 (= 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))) (.cse13 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-11-30 01:43:49,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 262) no Hoare annotation was computed. [2020-11-30 01:43:49,925 INFO L274 CegarLoopResult]: For program point L439(lines 439 451) no Hoare annotation was computed. [2020-11-30 01:43:49,925 INFO L270 CegarLoopResult]: At program point L406(lines 397 417) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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 8481)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,925 INFO L274 CegarLoopResult]: For program point L439-2(lines 439 451) no Hoare annotation was computed. [2020-11-30 01:43:49,925 INFO L274 CegarLoopResult]: For program point L176(lines 176 606) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L143(lines 143 617) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L110(lines 110 628) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L442(lines 442 447) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L244(lines 244 249) no Hoare annotation was computed. [2020-11-30 01:43:49,926 INFO L274 CegarLoopResult]: For program point L179(lines 179 605) no Hoare annotation was computed. [2020-11-30 01:43:49,927 INFO L274 CegarLoopResult]: For program point L146(lines 146 616) no Hoare annotation was computed. [2020-11-30 01:43:49,927 INFO L274 CegarLoopResult]: For program point L113(lines 113 627) no Hoare annotation was computed. [2020-11-30 01:43:49,927 INFO L270 CegarLoopResult]: At program point L180(lines 176 606) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:43:49,927 INFO L270 CegarLoopResult]: At program point L147(lines 143 617) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) [2020-11-30 01:43:49,927 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-11-30 01:43:49,927 INFO L270 CegarLoopResult]: At program point L214(lines 107 629) the Hoare annotation is: false [2020-11-30 01:43:49,927 INFO L277 CegarLoopResult]: At program point L677(lines 67 679) the Hoare annotation is: true [2020-11-30 01:43:49,927 INFO L274 CegarLoopResult]: For program point L347(lines 347 379) no Hoare annotation was computed. [2020-11-30 01:43:49,927 INFO L274 CegarLoopResult]: For program point L182(lines 182 604) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L149(lines 149 615) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L116(lines 116 626) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L85-1(lines 67 679) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L350(lines 350 378) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L350-1(lines 350 378) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L251(lines 251 264) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L185(lines 185 603) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L152(lines 152 614) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L119(lines 119 625) no Hoare annotation was computed. [2020-11-30 01:43:49,928 INFO L274 CegarLoopResult]: For program point L351(lines 351 375) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L270 CegarLoopResult]: At program point L186(lines 182 604) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:43:49,929 INFO L270 CegarLoopResult]: At program point L153(lines 149 615) the Hoare annotation is: (and (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 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L253(lines 253 258) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L287-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L188(lines 188 602) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L155(lines 155 613) no Hoare annotation was computed. [2020-11-30 01:43:49,929 INFO L274 CegarLoopResult]: For program point L122(lines 122 624) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point L387(lines 387 418) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point L354(lines 354 374) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L270 CegarLoopResult]: At program point L123(lines 119 625) the Hoare annotation is: false [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point L521(lines 521 526) no Hoare annotation was computed. [2020-11-30 01:43:49,930 INFO L274 CegarLoopResult]: For program point L323-1(lines 323 332) no Hoare annotation was computed. [2020-11-30 01:43:49,931 INFO L274 CegarLoopResult]: For program point L356-2(lines 354 372) no Hoare annotation was computed. [2020-11-30 01:43:49,931 INFO L274 CegarLoopResult]: For program point L191(lines 191 601) no Hoare annotation was computed. [2020-11-30 01:43:49,931 INFO L274 CegarLoopResult]: For program point L158(lines 158 612) no Hoare annotation was computed. [2020-11-30 01:43:49,931 INFO L270 CegarLoopResult]: At program point L125(lines 125 623) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse13 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse18 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (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))) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse15 .cse16 .cse9 .cse10 .cse11 .cse17) (and .cse18 .cse13 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) .cse17) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse1 .cse2 .cse3 .cse4 .cse5 .cse20 .cse7 .cse18 .cse21 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse12 .cse1 .cse2 .cse3 .cse4 .cse14 .cse5 .cse20 .cse15 .cse18 .cse21 .cse16 .cse9 .cse10 .cse11 .cse17)))) [2020-11-30 01:43:49,931 INFO L270 CegarLoopResult]: At program point L555(lines 67 679) the Hoare annotation is: (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,931 INFO L274 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-11-30 01:43:49,931 INFO L270 CegarLoopResult]: At program point L192(lines 188 602) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (< ULTIMATE.start_ssl3_accept_~s__state~0 12292) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) [2020-11-30 01:43:49,931 INFO L270 CegarLoopResult]: At program point L159(lines 155 613) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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 8481)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,931 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L194(lines 194 600) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L161(lines 161 611) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 260) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L128(lines 128 622) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L270 CegarLoopResult]: At program point L593(lines 101 661) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse13 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse18 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (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))) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse15 .cse16 .cse9 .cse10 .cse11 .cse17) (and .cse18 .cse13 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) .cse17) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse1 .cse2 .cse3 .cse4 .cse5 .cse20 .cse7 .cse18 .cse21 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse12 .cse1 .cse2 .cse3 .cse4 .cse14 .cse5 .cse20 .cse15 .cse18 .cse21 .cse16 .cse9 .cse10 .cse11 .cse17)))) [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-11-30 01:43:49,932 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L270 CegarLoopResult]: At program point L362(lines 344 380) the Hoare annotation is: (and (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 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,933 INFO L274 CegarLoopResult]: For program point L197(lines 197 599) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L274 CegarLoopResult]: For program point L164(lines 164 610) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L274 CegarLoopResult]: For program point L131(lines 131 621) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L274 CegarLoopResult]: For program point L462(lines 462 473) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L274 CegarLoopResult]: For program point L528-2(lines 211 592) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L270 CegarLoopResult]: At program point L396(lines 387 418) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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 8481)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,933 INFO L274 CegarLoopResult]: For program point L231(lines 231 242) no Hoare annotation was computed. [2020-11-30 01:43:49,933 INFO L270 CegarLoopResult]: At program point L198(lines 194 600) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4) (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-11-30 01:43:49,933 INFO L270 CegarLoopResult]: At program point L165(lines 161 611) the Hoare annotation is: (and (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 8195)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528)) (= ULTIMATE.start_ssl3_accept_~s__hit~0 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 8481)) (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) [2020-11-30 01:43:49,934 INFO L274 CegarLoopResult]: For program point L231-2(lines 231 242) no Hoare annotation was computed. [2020-11-30 01:43:49,934 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-11-30 01:43:49,934 INFO L277 CegarLoopResult]: At program point L662(lines 100 663) the Hoare annotation is: true [2020-11-30 01:43:49,934 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-11-30 01:43:49,934 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-30 01:43:49,934 INFO L274 CegarLoopResult]: For program point L200(lines 200 598) no Hoare annotation was computed. [2020-11-30 01:43:49,934 INFO L270 CegarLoopResult]: At program point L167(lines 167 609) the Hoare annotation is: (let ((.cse11 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse16 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse15 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse17 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (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))) (.cse18 (not .cse11))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (< 8192 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse0 .cse1 .cse15 .cse2 .cse3 .cse5 .cse4 .cse6 .cse7 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse16 .cse17 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) .cse18) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse1 .cse15 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse8 .cse9 .cse16 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse15 .cse2 .cse3 .cse17 .cse5 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14 .cse18)))) [2020-11-30 01:43:49,934 INFO L274 CegarLoopResult]: For program point L134(lines 134 620) no Hoare annotation was computed. [2020-11-30 01:43:49,934 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 661) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse13 (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= 8192 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8195))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse18 (< ULTIMATE.start_ssl3_accept_~s__state~0 12292)) (.cse21 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (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))) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse15 .cse16 .cse9 .cse10 .cse11 .cse17) (and .cse18 .cse13 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0) .cse17) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 8576 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse1 .cse2 .cse3 .cse4 .cse5 .cse20 .cse7 .cse18 .cse21 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse19 .cse12 .cse1 .cse2 .cse3 .cse4 .cse14 .cse5 .cse20 .cse15 .cse18 .cse21 .cse16 .cse9 .cse10 .cse11 .cse17)))) [2020-11-30 01:43:50,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:43:50 BoogieIcfgContainer [2020-11-30 01:43:50,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:43:50,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:43:50,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:43:50,011 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:43:50,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:10" (3/4) ... [2020-11-30 01:43:50,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:43:50,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2020-11-30 01:43:50,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:43:50,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:43:50,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:43:50,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0286abca-ad0a-424e-97a7-03e8de460bfb/bin/utaipan/witness.graphml [2020-11-30 01:43:50,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:43:50,169 INFO L168 Benchmark]: Toolchain (without parser) took 163053.11 ms. Allocated memory was 109.1 MB in the beginning and 725.6 MB in the end (delta: 616.6 MB). Free memory was 83.3 MB in the beginning and 286.5 MB in the end (delta: -203.2 MB). Peak memory consumption was 411.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:50,169 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 109.1 MB. Free memory was 66.2 MB in the beginning and 66.1 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:43:50,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.18 ms. Allocated memory is still 109.1 MB. Free memory was 83.1 MB in the beginning and 81.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:50,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.35 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 79.1 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:43:50,171 INFO L168 Benchmark]: Boogie Preprocessor took 47.46 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 76.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:50,171 INFO L168 Benchmark]: RCFGBuilder took 2195.33 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 76.9 MB in the beginning and 110.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:50,172 INFO L168 Benchmark]: TraceAbstraction took 159920.83 ms. Allocated memory was 144.7 MB in the beginning and 725.6 MB in the end (delta: 580.9 MB). Free memory was 110.6 MB in the beginning and 299.0 MB in the end (delta: -188.4 MB). Peak memory consumption was 440.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:50,172 INFO L168 Benchmark]: Witness Printer took 156.87 ms. Allocated memory is still 725.6 MB. Free memory was 299.0 MB in the beginning and 286.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:43:50,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 109.1 MB. Free memory was 66.2 MB in the beginning and 66.1 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.18 ms. Allocated memory is still 109.1 MB. Free memory was 83.1 MB in the beginning and 81.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.35 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 79.1 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.46 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 76.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2195.33 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 76.9 MB in the beginning and 110.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 159920.83 ms. Allocated memory was 144.7 MB in the beginning and 725.6 MB in the end (delta: 580.9 MB). Free memory was 110.6 MB in the beginning and 299.0 MB in the end (delta: -188.4 MB). Peak memory consumption was 440.4 MB. Max. memory is 16.1 GB. * Witness Printer took 156.87 ms. Allocated memory is still 725.6 MB. Free memory was 299.0 MB in the beginning and 286.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 260]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) && !(s__hit == 0)) || ((((((!(s__state == 8673) && !(8576 == s__state)) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == 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)) && 8192 < s__state) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state) && !(s__hit == 0)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8496 == s__state)) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((s__state < 12292 && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__hit == 0))) || ((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && s__state < 12292) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((s__state < 12292 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8656) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__state == 8672)) || (((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && s__hit == 0) && 8640 <= s__state) && !(s__state == 8672))) || s__state == 8656 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((s__state < 12292 && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__hit == 0))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8496 == s__state)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((s__state < 12292 && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__hit == 0))) || ((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && s__state < 12292) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8496 == s__state)) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: s__hit == 0 && s__state == 8512 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) && !(s__hit == 0)) || ((((((!(s__state == 8673) && !(8576 == s__state)) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__state == 8672)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8512) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8560 == s__state)) && s__state <= 8576) && !(8496 == s__state)) && !(8576 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((!(s__state == 8673) && s__state < 12292) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8656)) && !(s__state == 8672) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(24576 == s__state)) && !(s__state == 8673)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8672)) && !(s__state == 8544)) && !(8448 == s__state)) && !(12292 == s__state)) && !(s__state == 16384)) && !(s__state == 8481)) || ((((s__state < 12292 && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__state == 8672)) && !(s__hit == 0)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((s__state < 12292 && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__hit == 0))) || ((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && s__state < 12292) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 8192 < s__state) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8195)) && !(s__state == 8480)) && !(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)) && 8192 < s__state) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && 8640 == s__s3__tmp__next_state___0) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((s__state < 12292 && 8640 == s__s3__tmp__next_state___0) && 8640 <= s__state) && !(s__hit == 0))) || ((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8576 == s__state)) && s__state < 12292) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8512)) && !(8192 == s__state)) && !(s__state == 8195)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8544)) && s__state < 12292) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((!(s__state == 8673) && 8576 <= s__state) && s__state < 12292) && !(s__state == 8657)) && !(s__state == 8672)) && !(s__state == 8656) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 140.6s, OverallIterations: 29, TraceHistogramMax: 14, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3406 SDtfs, 4900 SDslu, 2929 SDs, 0 SdLazy, 6320 SolverSat, 1281 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2004 GetRequests, 1824 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 97.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=571occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 29 MinimizatonAttempts, 1962 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 326 NumberOfFragments, 2454 HoareAnnotationTreeSize, 26 FomulaSimplifications, 507787 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 26 FomulaSimplificationsInter, 74073 FormulaSimplificationTreeSizeReductionInter, 17.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3928 NumberOfCodeBlocks, 3928 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4692 ConstructedInterpolants, 0 QuantifiedInterpolants, 2293597 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1565 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 37 InterpolantComputations, 25 PerfectInterpolantSequences, 9430/10807 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...