./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3_true-unreach-call_true-no-overflow.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3_true-unreach-call_true-no-overflow.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfc4572bc150d8d2f9b1a5737590a88a31fdad6b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:57:30,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:57:30,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:57:30,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:57:30,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:57:30,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:57:30,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:57:31,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:57:31,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:57:31,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:57:31,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:57:31,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:57:31,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:57:31,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:57:31,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:57:31,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:57:31,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:57:31,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:57:31,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:57:31,009 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:57:31,010 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:57:31,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:57:31,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:57:31,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:57:31,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:57:31,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:57:31,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:57:31,014 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:57:31,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:57:31,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:57:31,015 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:57:31,016 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:57:31,016 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:57:31,016 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:57:31,017 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:57:31,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:57:31,017 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:57:31,028 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:57:31,028 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:57:31,029 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:57:31,029 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:57:31,029 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:57:31,029 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:57:31,029 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:57:31,030 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:57:31,030 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:57:31,030 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:57:31,030 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:57:31,030 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:57:31,030 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:57:31,031 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:57:31,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:57:31,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:57:31,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:57:31,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:57:31,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:57:31,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:57:31,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:57:31,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:57:31,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:57:31,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:57:31,034 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:57:31,034 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc4572bc150d8d2f9b1a5737590a88a31fdad6b [2018-11-22 22:57:31,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:57:31,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:57:31,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:57:31,071 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:57:31,072 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:57:31,072 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_3_true-unreach-call_true-no-overflow.BV.c.cil.c [2018-11-22 22:57:31,111 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/data/a0f4ff73a/028cc35a3a6a4897b18a36cab7217b8f/FLAGe8fd3f39d [2018-11-22 22:57:31,526 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:57:31,527 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/sv-benchmarks/c/bitvector/s3_srvr_3_true-unreach-call_true-no-overflow.BV.c.cil.c [2018-11-22 22:57:31,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/data/a0f4ff73a/028cc35a3a6a4897b18a36cab7217b8f/FLAGe8fd3f39d [2018-11-22 22:57:31,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/data/a0f4ff73a/028cc35a3a6a4897b18a36cab7217b8f [2018-11-22 22:57:31,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:57:31,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:57:31,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:57:31,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:57:31,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:57:31,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31, skipping insertion in model container [2018-11-22 22:57:31,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:57:31,586 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:57:31,743 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:57:31,746 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:57:31,788 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:57:31,797 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:57:31,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31 WrapperNode [2018-11-22 22:57:31,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:57:31,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:57:31,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:57:31,797 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:57:31,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:57:31,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:57:31,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:57:31,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:57:31,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... [2018-11-22 22:57:31,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:57:31,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:57:31,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:57:31,878 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:57:31,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/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 [2018-11-22 22:57:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:57:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:57:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:57:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:57:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:57:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:57:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-22 22:57:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-22 22:57:32,006 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 22:57:32,006 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 22:57:32,329 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:57:32,329 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 22:57:32,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:57:32 BoogieIcfgContainer [2018-11-22 22:57:32,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:57:32,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:57:32,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:57:32,332 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:57:32,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:57:31" (1/3) ... [2018-11-22 22:57:32,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f59e1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:57:32, skipping insertion in model container [2018-11-22 22:57:32,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:57:31" (2/3) ... [2018-11-22 22:57:32,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f59e1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:57:32, skipping insertion in model container [2018-11-22 22:57:32,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:57:32" (3/3) ... [2018-11-22 22:57:32,334 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3_true-unreach-call_true-no-overflow.BV.c.cil.c [2018-11-22 22:57:32,339 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:57:32,344 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:57:32,353 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:57:32,374 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:57:32,374 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:57:32,374 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:57:32,374 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:57:32,374 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:57:32,375 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:57:32,375 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:57:32,375 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:57:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-22 22:57:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 22:57:32,395 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:32,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:32,397 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:32,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:32,400 INFO L82 PathProgramCache]: Analyzing trace with hash -459257302, now seen corresponding path program 1 times [2018-11-22 22:57:32,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:32,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:32,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:32,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:32,431 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:32,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:57:32,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:32,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:32,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:32,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:32,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:32,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:32,588 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 5 states. [2018-11-22 22:57:32,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:32,902 INFO L93 Difference]: Finished difference Result 332 states and 569 transitions. [2018-11-22 22:57:32,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:32,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-11-22 22:57:32,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:32,912 INFO L225 Difference]: With dead ends: 332 [2018-11-22 22:57:32,912 INFO L226 Difference]: Without dead ends: 176 [2018-11-22 22:57:32,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-11-22 22:57:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 171. [2018-11-22 22:57:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-22 22:57:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 276 transitions. [2018-11-22 22:57:32,953 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 276 transitions. Word has length 49 [2018-11-22 22:57:32,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:32,954 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 276 transitions. [2018-11-22 22:57:32,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 276 transitions. [2018-11-22 22:57:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 22:57:32,955 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:32,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:32,956 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:32,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:32,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1359139796, now seen corresponding path program 1 times [2018-11-22 22:57:32,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:32,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:32,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:32,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:32,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:57:33,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:33,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:33,044 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:33,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:33,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:33,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:33,046 INFO L87 Difference]: Start difference. First operand 171 states and 276 transitions. Second operand 5 states. [2018-11-22 22:57:33,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:33,255 INFO L93 Difference]: Finished difference Result 377 states and 621 transitions. [2018-11-22 22:57:33,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:33,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-11-22 22:57:33,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:33,257 INFO L225 Difference]: With dead ends: 377 [2018-11-22 22:57:33,257 INFO L226 Difference]: Without dead ends: 217 [2018-11-22 22:57:33,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:33,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-11-22 22:57:33,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 212. [2018-11-22 22:57:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-22 22:57:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 353 transitions. [2018-11-22 22:57:33,272 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 353 transitions. Word has length 50 [2018-11-22 22:57:33,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:33,273 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 353 transitions. [2018-11-22 22:57:33,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 353 transitions. [2018-11-22 22:57:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-22 22:57:33,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:33,275 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:33,275 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:33,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:33,276 INFO L82 PathProgramCache]: Analyzing trace with hash -250817147, now seen corresponding path program 1 times [2018-11-22 22:57:33,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:33,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:33,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:57:33,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:33,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:33,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:33,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:33,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:33,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:33,357 INFO L87 Difference]: Start difference. First operand 212 states and 353 transitions. Second operand 5 states. [2018-11-22 22:57:33,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:33,523 INFO L93 Difference]: Finished difference Result 442 states and 747 transitions. [2018-11-22 22:57:33,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:33,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-22 22:57:33,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:33,525 INFO L225 Difference]: With dead ends: 442 [2018-11-22 22:57:33,526 INFO L226 Difference]: Without dead ends: 243 [2018-11-22 22:57:33,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-22 22:57:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-11-22 22:57:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-11-22 22:57:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 409 transitions. [2018-11-22 22:57:33,538 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 409 transitions. Word has length 77 [2018-11-22 22:57:33,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:33,539 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 409 transitions. [2018-11-22 22:57:33,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 409 transitions. [2018-11-22 22:57:33,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:57:33,540 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:33,541 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:57:33,541 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:33,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:33,541 INFO L82 PathProgramCache]: Analyzing trace with hash -508376229, now seen corresponding path program 1 times [2018-11-22 22:57:33,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:33,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:33,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,542 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 22:57:33,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:33,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:33,612 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:33,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:33,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:33,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:33,613 INFO L87 Difference]: Start difference. First operand 243 states and 409 transitions. Second operand 5 states. [2018-11-22 22:57:33,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:33,709 INFO L93 Difference]: Finished difference Result 490 states and 829 transitions. [2018-11-22 22:57:33,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:33,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-22 22:57:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:33,710 INFO L225 Difference]: With dead ends: 490 [2018-11-22 22:57:33,710 INFO L226 Difference]: Without dead ends: 260 [2018-11-22 22:57:33,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:33,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-11-22 22:57:33,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2018-11-22 22:57:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-11-22 22:57:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 432 transitions. [2018-11-22 22:57:33,721 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 432 transitions. Word has length 89 [2018-11-22 22:57:33,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:33,721 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 432 transitions. [2018-11-22 22:57:33,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 432 transitions. [2018-11-22 22:57:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:57:33,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:33,723 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:33,723 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:33,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:33,723 INFO L82 PathProgramCache]: Analyzing trace with hash 384668356, now seen corresponding path program 1 times [2018-11-22 22:57:33,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:33,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:33,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:57:33,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:33,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:33,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:33,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:33,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:33,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:33,800 INFO L87 Difference]: Start difference. First operand 258 states and 432 transitions. Second operand 5 states. [2018-11-22 22:57:33,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:33,920 INFO L93 Difference]: Finished difference Result 549 states and 928 transitions. [2018-11-22 22:57:33,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:33,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-22 22:57:33,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:33,922 INFO L225 Difference]: With dead ends: 549 [2018-11-22 22:57:33,922 INFO L226 Difference]: Without dead ends: 304 [2018-11-22 22:57:33,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:33,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-11-22 22:57:33,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2018-11-22 22:57:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-11-22 22:57:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 506 transitions. [2018-11-22 22:57:33,932 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 506 transitions. Word has length 89 [2018-11-22 22:57:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:33,932 INFO L480 AbstractCegarLoop]: Abstraction has 300 states and 506 transitions. [2018-11-22 22:57:33,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 506 transitions. [2018-11-22 22:57:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 22:57:33,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:33,934 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:33,935 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:33,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:33,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1150340194, now seen corresponding path program 1 times [2018-11-22 22:57:33,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:33,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:33,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:33,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 22:57:33,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:33,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:33,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:33,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:33,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:33,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:33,993 INFO L87 Difference]: Start difference. First operand 300 states and 506 transitions. Second operand 5 states. [2018-11-22 22:57:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:34,123 INFO L93 Difference]: Finished difference Result 589 states and 997 transitions. [2018-11-22 22:57:34,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:34,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2018-11-22 22:57:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:34,125 INFO L225 Difference]: With dead ends: 589 [2018-11-22 22:57:34,125 INFO L226 Difference]: Without dead ends: 302 [2018-11-22 22:57:34,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-11-22 22:57:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 300. [2018-11-22 22:57:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-11-22 22:57:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 502 transitions. [2018-11-22 22:57:34,134 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 502 transitions. Word has length 90 [2018-11-22 22:57:34,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:34,134 INFO L480 AbstractCegarLoop]: Abstraction has 300 states and 502 transitions. [2018-11-22 22:57:34,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 502 transitions. [2018-11-22 22:57:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 22:57:34,135 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:34,136 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:34,136 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:34,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:34,136 INFO L82 PathProgramCache]: Analyzing trace with hash 12513126, now seen corresponding path program 1 times [2018-11-22 22:57:34,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:34,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:34,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,137 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:57:34,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:34,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:34,192 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:34,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:34,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:34,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:34,193 INFO L87 Difference]: Start difference. First operand 300 states and 502 transitions. Second operand 5 states. [2018-11-22 22:57:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:34,330 INFO L93 Difference]: Finished difference Result 591 states and 992 transitions. [2018-11-22 22:57:34,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:34,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2018-11-22 22:57:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:34,332 INFO L225 Difference]: With dead ends: 591 [2018-11-22 22:57:34,332 INFO L226 Difference]: Without dead ends: 302 [2018-11-22 22:57:34,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-11-22 22:57:34,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2018-11-22 22:57:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-11-22 22:57:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 497 transitions. [2018-11-22 22:57:34,339 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 497 transitions. Word has length 90 [2018-11-22 22:57:34,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:34,339 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 497 transitions. [2018-11-22 22:57:34,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 497 transitions. [2018-11-22 22:57:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-22 22:57:34,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:34,340 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:34,341 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:34,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1256654058, now seen corresponding path program 1 times [2018-11-22 22:57:34,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:34,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:34,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 22:57:34,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:34,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:34,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:34,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:34,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:34,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:34,391 INFO L87 Difference]: Start difference. First operand 298 states and 497 transitions. Second operand 5 states. [2018-11-22 22:57:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:34,481 INFO L93 Difference]: Finished difference Result 591 states and 988 transitions. [2018-11-22 22:57:34,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:34,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-11-22 22:57:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:34,482 INFO L225 Difference]: With dead ends: 591 [2018-11-22 22:57:34,482 INFO L226 Difference]: Without dead ends: 306 [2018-11-22 22:57:34,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-11-22 22:57:34,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2018-11-22 22:57:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-11-22 22:57:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2018-11-22 22:57:34,490 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 101 [2018-11-22 22:57:34,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:34,490 INFO L480 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2018-11-22 22:57:34,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2018-11-22 22:57:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 22:57:34,491 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:34,491 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-11-22 22:57:34,491 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:34,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:34,492 INFO L82 PathProgramCache]: Analyzing trace with hash -315055682, now seen corresponding path program 1 times [2018-11-22 22:57:34,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:34,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:34,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 22:57:34,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:34,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:34,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:34,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:34,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:34,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:34,530 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand 5 states. [2018-11-22 22:57:34,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:34,638 INFO L93 Difference]: Finished difference Result 630 states and 1040 transitions. [2018-11-22 22:57:34,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:34,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2018-11-22 22:57:34,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:34,640 INFO L225 Difference]: With dead ends: 630 [2018-11-22 22:57:34,640 INFO L226 Difference]: Without dead ends: 337 [2018-11-22 22:57:34,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:34,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-11-22 22:57:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2018-11-22 22:57:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-11-22 22:57:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2018-11-22 22:57:34,648 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 103 [2018-11-22 22:57:34,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:34,648 INFO L480 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2018-11-22 22:57:34,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2018-11-22 22:57:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-22 22:57:34,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:34,649 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-11-22 22:57:34,649 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:34,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:34,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1874973505, now seen corresponding path program 1 times [2018-11-22 22:57:34,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:34,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:34,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 22:57:34,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:34,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:34,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:34,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:34,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:34,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:34,703 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand 5 states. [2018-11-22 22:57:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:34,824 INFO L93 Difference]: Finished difference Result 691 states and 1140 transitions. [2018-11-22 22:57:34,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:34,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2018-11-22 22:57:34,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:34,828 INFO L225 Difference]: With dead ends: 691 [2018-11-22 22:57:34,828 INFO L226 Difference]: Without dead ends: 369 [2018-11-22 22:57:34,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:34,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-22 22:57:34,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 362. [2018-11-22 22:57:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-22 22:57:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 591 transitions. [2018-11-22 22:57:34,839 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 591 transitions. Word has length 104 [2018-11-22 22:57:34,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:34,839 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 591 transitions. [2018-11-22 22:57:34,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 591 transitions. [2018-11-22 22:57:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-22 22:57:34,840 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:34,840 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 22:57:34,840 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:34,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:34,841 INFO L82 PathProgramCache]: Analyzing trace with hash -411681051, now seen corresponding path program 1 times [2018-11-22 22:57:34,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:34,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:34,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:34,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 22:57:34,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:34,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:34,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:34,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:34,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:34,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:34,895 INFO L87 Difference]: Start difference. First operand 362 states and 591 transitions. Second operand 5 states. [2018-11-22 22:57:35,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:35,033 INFO L93 Difference]: Finished difference Result 713 states and 1167 transitions. [2018-11-22 22:57:35,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:35,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2018-11-22 22:57:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:35,035 INFO L225 Difference]: With dead ends: 713 [2018-11-22 22:57:35,035 INFO L226 Difference]: Without dead ends: 364 [2018-11-22 22:57:35,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-22 22:57:35,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2018-11-22 22:57:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-22 22:57:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2018-11-22 22:57:35,044 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 104 [2018-11-22 22:57:35,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:35,044 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2018-11-22 22:57:35,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2018-11-22 22:57:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-22 22:57:35,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:35,045 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:35,045 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:35,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:35,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1317457818, now seen corresponding path program 1 times [2018-11-22 22:57:35,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:35,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:35,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,046 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 22:57:35,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:35,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:35,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:35,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:35,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:35,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:35,094 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand 5 states. [2018-11-22 22:57:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:35,205 INFO L93 Difference]: Finished difference Result 718 states and 1169 transitions. [2018-11-22 22:57:35,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:35,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2018-11-22 22:57:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:35,206 INFO L225 Difference]: With dead ends: 718 [2018-11-22 22:57:35,207 INFO L226 Difference]: Without dead ends: 369 [2018-11-22 22:57:35,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-22 22:57:35,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 362. [2018-11-22 22:57:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-22 22:57:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2018-11-22 22:57:35,216 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 105 [2018-11-22 22:57:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:35,216 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2018-11-22 22:57:35,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2018-11-22 22:57:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-22 22:57:35,217 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:35,217 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:35,218 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:35,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:35,218 INFO L82 PathProgramCache]: Analyzing trace with hash -817214863, now seen corresponding path program 1 times [2018-11-22 22:57:35,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:35,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:35,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:57:35,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:35,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:35,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:35,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:35,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:35,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:35,272 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand 5 states. [2018-11-22 22:57:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:35,378 INFO L93 Difference]: Finished difference Result 736 states and 1188 transitions. [2018-11-22 22:57:35,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:35,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-11-22 22:57:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:35,380 INFO L225 Difference]: With dead ends: 736 [2018-11-22 22:57:35,380 INFO L226 Difference]: Without dead ends: 387 [2018-11-22 22:57:35,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:35,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-22 22:57:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-22 22:57:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-22 22:57:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2018-11-22 22:57:35,390 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 110 [2018-11-22 22:57:35,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:35,391 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2018-11-22 22:57:35,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2018-11-22 22:57:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 22:57:35,392 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:35,392 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:35,392 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:35,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:35,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1429215766, now seen corresponding path program 1 times [2018-11-22 22:57:35,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:35,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:35,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:57:35,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:35,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:35,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:35,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:35,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:35,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:35,434 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand 5 states. [2018-11-22 22:57:35,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:35,543 INFO L93 Difference]: Finished difference Result 757 states and 1211 transitions. [2018-11-22 22:57:35,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:35,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2018-11-22 22:57:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:35,544 INFO L225 Difference]: With dead ends: 757 [2018-11-22 22:57:35,544 INFO L226 Difference]: Without dead ends: 387 [2018-11-22 22:57:35,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:35,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-22 22:57:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-22 22:57:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-22 22:57:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2018-11-22 22:57:35,554 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 111 [2018-11-22 22:57:35,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:35,555 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2018-11-22 22:57:35,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:35,555 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2018-11-22 22:57:35,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-22 22:57:35,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:35,556 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:35,556 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:35,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:35,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1449286990, now seen corresponding path program 1 times [2018-11-22 22:57:35,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:35,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:35,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-22 22:57:35,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:35,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:35,582 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:35,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:35,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:35,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:35,583 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand 3 states. [2018-11-22 22:57:35,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:35,618 INFO L93 Difference]: Finished difference Result 753 states and 1193 transitions. [2018-11-22 22:57:35,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:35,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-22 22:57:35,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:35,621 INFO L225 Difference]: With dead ends: 753 [2018-11-22 22:57:35,621 INFO L226 Difference]: Without dead ends: 751 [2018-11-22 22:57:35,621 INFO L631 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 [2018-11-22 22:57:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-11-22 22:57:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2018-11-22 22:57:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-22 22:57:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1191 transitions. [2018-11-22 22:57:35,639 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1191 transitions. Word has length 126 [2018-11-22 22:57:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:35,639 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 1191 transitions. [2018-11-22 22:57:35,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1191 transitions. [2018-11-22 22:57:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 22:57:35,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:35,641 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-11-22 22:57:35,641 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:35,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:35,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1360581389, now seen corresponding path program 1 times [2018-11-22 22:57:35,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:35,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:35,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:35,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:35,647 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 22:57:35,647 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 22:57:35,647 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/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 [2018-11-22 22:57:35,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:35,658 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-22 22:57:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:35,692 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-11-22 22:57:35,694 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [93], [98], [103], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [158], [163], [168], [173], [178], [183], [188], [191], [193], [198], [201], [203], [208], [211], [472], [475], [483], [488], [490], [492], [497], [502], [508], [513], [515], [518], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:35,719 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:35,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:35,844 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 22:57:35,845 INFO L272 AbstractInterpreter]: Visited 22 different actions 22 times. Never merged. Never widened. Performed 203 root evaluator evaluations with a maximum evaluation depth of 3. Performed 203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 84 variables. [2018-11-22 22:57:35,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:35,856 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 22:57:35,974 INFO L227 lantSequenceWeakener]: Weakened 37 states. On average, predicates are now at 81.01% of their original sizes. [2018-11-22 22:57:35,975 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 22:57:35,998 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-11-22 22:57:35,999 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 22:57:35,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:35,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:57:35,999 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:36,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:57:36,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:57:36,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:57:36,001 INFO L87 Difference]: Start difference. First operand 751 states and 1191 transitions. Second operand 5 states. [2018-11-22 22:57:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:36,346 INFO L93 Difference]: Finished difference Result 1502 states and 2385 transitions. [2018-11-22 22:57:36,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:36,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-22 22:57:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:36,348 INFO L225 Difference]: With dead ends: 1502 [2018-11-22 22:57:36,348 INFO L226 Difference]: Without dead ends: 764 [2018-11-22 22:57:36,349 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2018-11-22 22:57:36,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2018-11-22 22:57:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2018-11-22 22:57:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1204 transitions. [2018-11-22 22:57:36,372 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1204 transitions. Word has length 127 [2018-11-22 22:57:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:36,372 INFO L480 AbstractCegarLoop]: Abstraction has 764 states and 1204 transitions. [2018-11-22 22:57:36,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:57:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1204 transitions. [2018-11-22 22:57:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-22 22:57:36,374 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:36,374 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:36,374 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:36,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:36,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1941520082, now seen corresponding path program 1 times [2018-11-22 22:57:36,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:36,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:36,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:36,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:36,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-22 22:57:36,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:36,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:36,405 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:36,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:36,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:36,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:36,406 INFO L87 Difference]: Start difference. First operand 764 states and 1204 transitions. Second operand 3 states. [2018-11-22 22:57:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:36,526 INFO L93 Difference]: Finished difference Result 1510 states and 2390 transitions. [2018-11-22 22:57:36,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:36,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-11-22 22:57:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:36,529 INFO L225 Difference]: With dead ends: 1510 [2018-11-22 22:57:36,529 INFO L226 Difference]: Without dead ends: 772 [2018-11-22 22:57:36,530 INFO L631 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 [2018-11-22 22:57:36,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2018-11-22 22:57:36,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 764. [2018-11-22 22:57:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2018-11-22 22:57:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1186 transitions. [2018-11-22 22:57:36,548 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1186 transitions. Word has length 143 [2018-11-22 22:57:36,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:36,548 INFO L480 AbstractCegarLoop]: Abstraction has 764 states and 1186 transitions. [2018-11-22 22:57:36,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1186 transitions. [2018-11-22 22:57:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-22 22:57:36,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:36,550 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:36,550 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:36,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1426466207, now seen corresponding path program 1 times [2018-11-22 22:57:36,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:36,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:36,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:36,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:36,551 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:36,556 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 22:57:36,557 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 22:57:36,557 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/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 [2018-11-22 22:57:36,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:36,564 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-22 22:57:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:36,594 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-22 22:57:36,594 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [158], [163], [168], [173], [178], [183], [188], [191], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [306], [309], [313], [472], [475], [483], [488], [490], [492], [497], [502], [508], [513], [515], [518], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:36,596 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:36,596 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:36,684 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:57:36,684 INFO L272 AbstractInterpreter]: Visited 70 different actions 111 times. Merged at 23 different actions 38 times. Never widened. Performed 522 root evaluator evaluations with a maximum evaluation depth of 3. Performed 522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 4 different actions. Largest state had 86 variables. [2018-11-22 22:57:36,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:36,686 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:57:36,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:36,687 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:57:36,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:36,702 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:57:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:36,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:57:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 22:57:36,768 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:57:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-22 22:57:36,813 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:36,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-11-22 22:57:36,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:36,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:36,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:36,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:36,814 INFO L87 Difference]: Start difference. First operand 764 states and 1186 transitions. Second operand 3 states. [2018-11-22 22:57:36,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:36,887 INFO L93 Difference]: Finished difference Result 1870 states and 2919 transitions. [2018-11-22 22:57:36,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:36,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-11-22 22:57:36,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:36,891 INFO L225 Difference]: With dead ends: 1870 [2018-11-22 22:57:36,891 INFO L226 Difference]: Without dead ends: 1132 [2018-11-22 22:57:36,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 325 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:36,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2018-11-22 22:57:36,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1132. [2018-11-22 22:57:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states. [2018-11-22 22:57:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1762 transitions. [2018-11-22 22:57:36,925 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1762 transitions. Word has length 164 [2018-11-22 22:57:36,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:36,925 INFO L480 AbstractCegarLoop]: Abstraction has 1132 states and 1762 transitions. [2018-11-22 22:57:36,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1762 transitions. [2018-11-22 22:57:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-22 22:57:36,927 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:36,928 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-22 22:57:36,928 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:36,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:36,928 INFO L82 PathProgramCache]: Analyzing trace with hash -391989381, now seen corresponding path program 1 times [2018-11-22 22:57:36,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:36,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:36,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:36,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:36,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-22 22:57:36,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:36,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:36,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:36,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:36,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:36,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:36,973 INFO L87 Difference]: Start difference. First operand 1132 states and 1762 transitions. Second operand 3 states. [2018-11-22 22:57:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:37,117 INFO L93 Difference]: Finished difference Result 2265 states and 3527 transitions. [2018-11-22 22:57:37,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:37,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2018-11-22 22:57:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:37,121 INFO L225 Difference]: With dead ends: 2265 [2018-11-22 22:57:37,121 INFO L226 Difference]: Without dead ends: 1159 [2018-11-22 22:57:37,122 INFO L631 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 [2018-11-22 22:57:37,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2018-11-22 22:57:37,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1132. [2018-11-22 22:57:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states. [2018-11-22 22:57:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1708 transitions. [2018-11-22 22:57:37,154 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1708 transitions. Word has length 204 [2018-11-22 22:57:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:37,155 INFO L480 AbstractCegarLoop]: Abstraction has 1132 states and 1708 transitions. [2018-11-22 22:57:37,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1708 transitions. [2018-11-22 22:57:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-22 22:57:37,158 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:37,158 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-22 22:57:37,158 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:37,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:37,158 INFO L82 PathProgramCache]: Analyzing trace with hash -945704107, now seen corresponding path program 1 times [2018-11-22 22:57:37,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:37,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:37,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:37,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:37,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-22 22:57:37,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:37,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:37,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:37,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:37,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:37,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:37,200 INFO L87 Difference]: Start difference. First operand 1132 states and 1708 transitions. Second operand 3 states. [2018-11-22 22:57:37,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:37,361 INFO L93 Difference]: Finished difference Result 2276 states and 3430 transitions. [2018-11-22 22:57:37,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:37,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-11-22 22:57:37,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:37,365 INFO L225 Difference]: With dead ends: 2276 [2018-11-22 22:57:37,365 INFO L226 Difference]: Without dead ends: 1170 [2018-11-22 22:57:37,366 INFO L631 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 [2018-11-22 22:57:37,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2018-11-22 22:57:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1132. [2018-11-22 22:57:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states. [2018-11-22 22:57:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1666 transitions. [2018-11-22 22:57:37,401 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1666 transitions. Word has length 217 [2018-11-22 22:57:37,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:37,402 INFO L480 AbstractCegarLoop]: Abstraction has 1132 states and 1666 transitions. [2018-11-22 22:57:37,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1666 transitions. [2018-11-22 22:57:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-22 22:57:37,405 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:37,405 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:37,405 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:37,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:37,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1110401752, now seen corresponding path program 1 times [2018-11-22 22:57:37,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:37,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:37,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:37,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:37,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:37,419 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 22:57:37,419 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 22:57:37,419 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/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 [2018-11-22 22:57:37,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:37,436 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-22 22:57:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:37,482 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-22 22:57:37,482 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [158], [163], [168], [173], [178], [183], [188], [191], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [306], [309], [313], [472], [475], [483], [488], [490], [492], [497], [500], [502], [508], [513], [515], [518], [520], [525], [528], [532], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:37,484 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:37,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:37,636 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:57:37,636 INFO L272 AbstractInterpreter]: Visited 78 different actions 181 times. Merged at 59 different actions 94 times. Never widened. Performed 858 root evaluator evaluations with a maximum evaluation depth of 8. Performed 858 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 13 fixpoints after 10 different actions. Largest state had 86 variables. [2018-11-22 22:57:37,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:37,637 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:57:37,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:37,638 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:57:37,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:37,645 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:57:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:37,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:57:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-22 22:57:37,744 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:57:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-22 22:57:37,808 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:37,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-11-22 22:57:37,808 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:37,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:37,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:37,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:37,809 INFO L87 Difference]: Start difference. First operand 1132 states and 1666 transitions. Second operand 3 states. [2018-11-22 22:57:37,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:37,876 INFO L93 Difference]: Finished difference Result 3332 states and 4926 transitions. [2018-11-22 22:57:37,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:37,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2018-11-22 22:57:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:37,881 INFO L225 Difference]: With dead ends: 3332 [2018-11-22 22:57:37,881 INFO L226 Difference]: Without dead ends: 2226 [2018-11-22 22:57:37,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:37,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2018-11-22 22:57:37,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2224. [2018-11-22 22:57:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2018-11-22 22:57:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 3280 transitions. [2018-11-22 22:57:37,934 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 3280 transitions. Word has length 246 [2018-11-22 22:57:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:37,934 INFO L480 AbstractCegarLoop]: Abstraction has 2224 states and 3280 transitions. [2018-11-22 22:57:37,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3280 transitions. [2018-11-22 22:57:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-22 22:57:37,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:37,938 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2018-11-22 22:57:37,938 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:37,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:37,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1423055184, now seen corresponding path program 1 times [2018-11-22 22:57:37,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:37,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:37,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:37,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:37,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:37,947 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 22:57:37,947 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 22:57:37,947 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-22 22:57:37,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:37,954 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-22 22:57:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:37,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-11-22 22:57:37,996 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [158], [163], [168], [173], [178], [183], [188], [191], [193], [198], [201], [203], [208], [211], [282], [285], [287], [293], [295], [298], [300], [306], [309], [313], [472], [475], [483], [486], [490], [492], [497], [500], [502], [508], [513], [515], [518], [520], [525], [528], [532], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:37,998 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:37,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:38,214 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:57:38,214 INFO L272 AbstractInterpreter]: Visited 80 different actions 273 times. Merged at 68 different actions 173 times. Widened at 4 different actions 4 times. Performed 1200 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 23 fixpoints after 12 different actions. Largest state had 86 variables. [2018-11-22 22:57:38,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:38,221 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:57:38,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:38,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:57:38,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:38,242 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:57:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:38,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:57:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-22 22:57:38,355 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:57:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-22 22:57:38,394 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:38,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-11-22 22:57:38,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:38,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:38,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:38,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:38,395 INFO L87 Difference]: Start difference. First operand 2224 states and 3280 transitions. Second operand 3 states. [2018-11-22 22:57:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:38,521 INFO L93 Difference]: Finished difference Result 4422 states and 6530 transitions. [2018-11-22 22:57:38,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:38,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2018-11-22 22:57:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:38,528 INFO L225 Difference]: With dead ends: 4422 [2018-11-22 22:57:38,528 INFO L226 Difference]: Without dead ends: 2224 [2018-11-22 22:57:38,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:38,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2018-11-22 22:57:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2224. [2018-11-22 22:57:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2018-11-22 22:57:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 3214 transitions. [2018-11-22 22:57:38,578 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 3214 transitions. Word has length 283 [2018-11-22 22:57:38,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:38,578 INFO L480 AbstractCegarLoop]: Abstraction has 2224 states and 3214 transitions. [2018-11-22 22:57:38,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3214 transitions. [2018-11-22 22:57:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-22 22:57:38,582 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:38,582 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 22:57:38,583 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:38,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:38,583 INFO L82 PathProgramCache]: Analyzing trace with hash 464693141, now seen corresponding path program 1 times [2018-11-22 22:57:38,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:38,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:38,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:38,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:38,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:38,592 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-22 22:57:38,592 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-22 22:57:38,592 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-22 22:57:38,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:38,600 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-22 22:57:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:38,640 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-22 22:57:38,641 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [191], [193], [198], [201], [203], [208], [211], [282], [285], [287], [293], [295], [298], [300], [306], [309], [313], [436], [438], [472], [475], [483], [486], [490], [492], [497], [500], [502], [508], [513], [515], [518], [520], [525], [528], [532], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:38,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:38,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:39,008 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:57:39,008 INFO L272 AbstractInterpreter]: Visited 83 different actions 360 times. Merged at 70 different actions 247 times. Widened at 5 different actions 6 times. Performed 1568 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1568 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 35 fixpoints after 14 different actions. Largest state had 86 variables. [2018-11-22 22:57:39,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:39,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:57:39,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:39,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:57:39,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:39,038 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:57:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:39,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:57:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-11-22 22:57:39,167 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:57:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-11-22 22:57:39,221 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:39,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-11-22 22:57:39,222 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:39,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:39,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:39,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:57:39,223 INFO L87 Difference]: Start difference. First operand 2224 states and 3214 transitions. Second operand 3 states. [2018-11-22 22:57:39,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:39,366 INFO L93 Difference]: Finished difference Result 4656 states and 6764 transitions. [2018-11-22 22:57:39,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:39,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2018-11-22 22:57:39,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:39,369 INFO L225 Difference]: With dead ends: 4656 [2018-11-22 22:57:39,369 INFO L226 Difference]: Without dead ends: 1481 [2018-11-22 22:57:39,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:57:39,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2018-11-22 22:57:39,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1481. [2018-11-22 22:57:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1481 states. [2018-11-22 22:57:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2109 transitions. [2018-11-22 22:57:39,408 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2109 transitions. Word has length 311 [2018-11-22 22:57:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:39,408 INFO L480 AbstractCegarLoop]: Abstraction has 1481 states and 2109 transitions. [2018-11-22 22:57:39,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2109 transitions. [2018-11-22 22:57:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-22 22:57:39,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:39,412 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:39,412 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:39,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:39,412 INFO L82 PathProgramCache]: Analyzing trace with hash -60637526, now seen corresponding path program 1 times [2018-11-22 22:57:39,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:39,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:39,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:39,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:39,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-22 22:57:39,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:39,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:39,471 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:39,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:39,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:39,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:39,472 INFO L87 Difference]: Start difference. First operand 1481 states and 2109 transitions. Second operand 3 states. [2018-11-22 22:57:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:39,674 INFO L93 Difference]: Finished difference Result 3017 states and 4306 transitions. [2018-11-22 22:57:39,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:39,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2018-11-22 22:57:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:39,680 INFO L225 Difference]: With dead ends: 3017 [2018-11-22 22:57:39,680 INFO L226 Difference]: Without dead ends: 1562 [2018-11-22 22:57:39,682 INFO L631 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 [2018-11-22 22:57:39,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2018-11-22 22:57:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1550. [2018-11-22 22:57:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-11-22 22:57:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2193 transitions. [2018-11-22 22:57:39,735 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2193 transitions. Word has length 312 [2018-11-22 22:57:39,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:39,736 INFO L480 AbstractCegarLoop]: Abstraction has 1550 states and 2193 transitions. [2018-11-22 22:57:39,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2193 transitions. [2018-11-22 22:57:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-22 22:57:39,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:39,741 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:39,741 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:39,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:39,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1485741080, now seen corresponding path program 1 times [2018-11-22 22:57:39,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:39,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:39,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:39,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:39,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2018-11-22 22:57:39,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:39,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:39,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:39,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:39,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:39,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:39,823 INFO L87 Difference]: Start difference. First operand 1550 states and 2193 transitions. Second operand 3 states. [2018-11-22 22:57:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:40,044 INFO L93 Difference]: Finished difference Result 3222 states and 4588 transitions. [2018-11-22 22:57:40,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:40,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2018-11-22 22:57:40,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:40,050 INFO L225 Difference]: With dead ends: 3222 [2018-11-22 22:57:40,051 INFO L226 Difference]: Without dead ends: 1698 [2018-11-22 22:57:40,053 INFO L631 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 [2018-11-22 22:57:40,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2018-11-22 22:57:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1650. [2018-11-22 22:57:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2018-11-22 22:57:40,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2313 transitions. [2018-11-22 22:57:40,126 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2313 transitions. Word has length 332 [2018-11-22 22:57:40,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:40,126 INFO L480 AbstractCegarLoop]: Abstraction has 1650 states and 2313 transitions. [2018-11-22 22:57:40,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2313 transitions. [2018-11-22 22:57:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-22 22:57:40,133 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:40,133 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:40,133 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:40,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:40,134 INFO L82 PathProgramCache]: Analyzing trace with hash 432297452, now seen corresponding path program 1 times [2018-11-22 22:57:40,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:40,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:40,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:40,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:40,135 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-11-22 22:57:40,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:40,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:40,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:40,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:40,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:40,244 INFO L87 Difference]: Start difference. First operand 1650 states and 2313 transitions. Second operand 3 states. [2018-11-22 22:57:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:40,472 INFO L93 Difference]: Finished difference Result 3302 states and 4644 transitions. [2018-11-22 22:57:40,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:40,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2018-11-22 22:57:40,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:40,477 INFO L225 Difference]: With dead ends: 3302 [2018-11-22 22:57:40,477 INFO L226 Difference]: Without dead ends: 1678 [2018-11-22 22:57:40,480 INFO L631 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 [2018-11-22 22:57:40,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2018-11-22 22:57:40,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1650. [2018-11-22 22:57:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2018-11-22 22:57:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2273 transitions. [2018-11-22 22:57:40,533 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2273 transitions. Word has length 358 [2018-11-22 22:57:40,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:40,534 INFO L480 AbstractCegarLoop]: Abstraction has 1650 states and 2273 transitions. [2018-11-22 22:57:40,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:40,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2273 transitions. [2018-11-22 22:57:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-11-22 22:57:40,537 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:40,537 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:40,537 INFO L423 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:40,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:40,538 INFO L82 PathProgramCache]: Analyzing trace with hash 222053756, now seen corresponding path program 1 times [2018-11-22 22:57:40,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:40,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:40,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:40,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:40,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-11-22 22:57:40,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:40,646 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:57:40,646 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 376 with the following transitions: [2018-11-22 22:57:40,647 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [191], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [306], [311], [313], [317], [326], [328], [331], [337], [366], [371], [381], [385], [396], [407], [409], [414], [436], [438], [472], [475], [483], [488], [490], [492], [497], [500], [502], [508], [513], [515], [518], [520], [525], [530], [532], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:40,648 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:40,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:40,904 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:57:40,905 INFO L272 AbstractInterpreter]: Visited 97 different actions 309 times. Merged at 81 different actions 190 times. Widened at 2 different actions 2 times. Performed 1338 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1338 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 29 fixpoints after 15 different actions. Largest state had 88 variables. [2018-11-22 22:57:40,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:40,907 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:57:40,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:40,907 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:57:40,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:40,917 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:57:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:40,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:57:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-11-22 22:57:41,043 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:57:41,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-11-22 22:57:41,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:57:41,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-22 22:57:41,173 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:57:41,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:57:41,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:57:41,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:41,174 INFO L87 Difference]: Start difference. First operand 1650 states and 2273 transitions. Second operand 4 states. [2018-11-22 22:57:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:41,415 INFO L93 Difference]: Finished difference Result 4182 states and 5761 transitions. [2018-11-22 22:57:41,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:57:41,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 375 [2018-11-22 22:57:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:41,420 INFO L225 Difference]: With dead ends: 4182 [2018-11-22 22:57:41,420 INFO L226 Difference]: Without dead ends: 2476 [2018-11-22 22:57:41,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:57:41,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2018-11-22 22:57:41,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 1735. [2018-11-22 22:57:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-11-22 22:57:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2368 transitions. [2018-11-22 22:57:41,462 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2368 transitions. Word has length 375 [2018-11-22 22:57:41,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:41,462 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2368 transitions. [2018-11-22 22:57:41,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:57:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2368 transitions. [2018-11-22 22:57:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-11-22 22:57:41,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:41,465 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:41,465 INFO L423 AbstractCegarLoop]: === Iteration 28 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:41,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:41,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1893965958, now seen corresponding path program 1 times [2018-11-22 22:57:41,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:41,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:41,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:41,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:41,466 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2018-11-22 22:57:41,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:41,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:41,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:41,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:41,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:41,543 INFO L87 Difference]: Start difference. First operand 1735 states and 2368 transitions. Second operand 3 states. [2018-11-22 22:57:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:41,652 INFO L93 Difference]: Finished difference Result 3452 states and 4714 transitions. [2018-11-22 22:57:41,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:41,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 443 [2018-11-22 22:57:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:41,656 INFO L225 Difference]: With dead ends: 3452 [2018-11-22 22:57:41,656 INFO L226 Difference]: Without dead ends: 1743 [2018-11-22 22:57:41,660 INFO L631 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 [2018-11-22 22:57:41,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2018-11-22 22:57:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1735. [2018-11-22 22:57:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-11-22 22:57:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2328 transitions. [2018-11-22 22:57:41,695 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2328 transitions. Word has length 443 [2018-11-22 22:57:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:41,695 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2328 transitions. [2018-11-22 22:57:41,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2328 transitions. [2018-11-22 22:57:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-11-22 22:57:41,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:41,698 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:41,698 INFO L423 AbstractCegarLoop]: === Iteration 29 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:41,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:41,699 INFO L82 PathProgramCache]: Analyzing trace with hash 756608049, now seen corresponding path program 1 times [2018-11-22 22:57:41,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:41,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:41,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:41,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:41,700 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2018-11-22 22:57:41,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:41,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:41,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:41,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:41,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:41,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:41,845 INFO L87 Difference]: Start difference. First operand 1735 states and 2328 transitions. Second operand 3 states. [2018-11-22 22:57:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:41,957 INFO L93 Difference]: Finished difference Result 3588 states and 4838 transitions. [2018-11-22 22:57:41,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:41,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 475 [2018-11-22 22:57:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:41,963 INFO L225 Difference]: With dead ends: 3588 [2018-11-22 22:57:41,963 INFO L226 Difference]: Without dead ends: 1879 [2018-11-22 22:57:41,965 INFO L631 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 [2018-11-22 22:57:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2018-11-22 22:57:42,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1871. [2018-11-22 22:57:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2018-11-22 22:57:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2484 transitions. [2018-11-22 22:57:42,002 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2484 transitions. Word has length 475 [2018-11-22 22:57:42,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:42,002 INFO L480 AbstractCegarLoop]: Abstraction has 1871 states and 2484 transitions. [2018-11-22 22:57:42,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:42,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2484 transitions. [2018-11-22 22:57:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2018-11-22 22:57:42,005 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:42,006 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:42,006 INFO L423 AbstractCegarLoop]: === Iteration 30 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:42,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:42,006 INFO L82 PathProgramCache]: Analyzing trace with hash -10886553, now seen corresponding path program 1 times [2018-11-22 22:57:42,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:42,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:42,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:42,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:42,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2018-11-22 22:57:42,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:57:42,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:57:42,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:57:42,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:57:42,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:57:42,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:57:42,108 INFO L87 Difference]: Start difference. First operand 1871 states and 2484 transitions. Second operand 3 states. [2018-11-22 22:57:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:42,225 INFO L93 Difference]: Finished difference Result 3868 states and 5166 transitions. [2018-11-22 22:57:42,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:57:42,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 537 [2018-11-22 22:57:42,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:42,229 INFO L225 Difference]: With dead ends: 3868 [2018-11-22 22:57:42,229 INFO L226 Difference]: Without dead ends: 2023 [2018-11-22 22:57:42,232 INFO L631 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 [2018-11-22 22:57:42,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2018-11-22 22:57:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2015. [2018-11-22 22:57:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2015 states. [2018-11-22 22:57:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2648 transitions. [2018-11-22 22:57:42,271 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2648 transitions. Word has length 537 [2018-11-22 22:57:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:42,272 INFO L480 AbstractCegarLoop]: Abstraction has 2015 states and 2648 transitions. [2018-11-22 22:57:42,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:57:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2648 transitions. [2018-11-22 22:57:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2018-11-22 22:57:42,276 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:57:42,276 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:57:42,276 INFO L423 AbstractCegarLoop]: === Iteration 31 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:57:42,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:42,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1755141137, now seen corresponding path program 1 times [2018-11-22 22:57:42,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:57:42,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:42,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:42,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:57:42,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:57:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2018-11-22 22:57:42,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:42,446 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:57:42,446 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 604 with the following transitions: [2018-11-22 22:57:42,446 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [161], [163], [168], [171], [173], [178], [181], [183], [188], [191], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [306], [311], [313], [317], [326], [328], [331], [337], [366], [371], [381], [385], [396], [407], [409], [414], [436], [438], [440], [445], [450], [455], [458], [463], [465], [470], [472], [475], [477], [483], [488], [490], [492], [497], [500], [502], [508], [513], [515], [518], [520], [525], [530], [532], [586], [588], [601], [606], [607], [608], [610] [2018-11-22 22:57:42,448 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:57:42,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:57:42,731 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:57:42,732 INFO L272 AbstractInterpreter]: Visited 109 different actions 348 times. Merged at 90 different actions 210 times. Widened at 3 different actions 3 times. Performed 1560 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1560 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 40 fixpoints after 19 different actions. Largest state had 92 variables. [2018-11-22 22:57:42,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:57:42,749 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:57:42,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:57:42,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:57:42,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:57:42,760 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:57:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:57:42,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:57:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2018-11-22 22:57:42,962 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:57:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2018-11-22 22:57:43,146 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:57:43,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-22 22:57:43,146 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:57:43,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:57:43,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:57:43,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:57:43,147 INFO L87 Difference]: Start difference. First operand 2015 states and 2648 transitions. Second operand 4 states. [2018-11-22 22:57:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:57:43,272 INFO L93 Difference]: Finished difference Result 2675 states and 3517 transitions. [2018-11-22 22:57:43,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:57:43,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 603 [2018-11-22 22:57:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:57:43,273 INFO L225 Difference]: With dead ends: 2675 [2018-11-22 22:57:43,273 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:57:43,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1211 GetRequests, 1206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:57:43,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:57:43,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:57:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:57:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:57:43,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 603 [2018-11-22 22:57:43,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:57:43,276 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:57:43,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:57:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:57:43,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:57:43,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:57:43,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:57:43,889 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2018-11-22 22:57:44,060 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 51 [2018-11-22 22:57:44,212 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2018-11-22 22:57:44,382 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2018-11-22 22:57:44,528 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2018-11-22 22:57:44,806 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-11-22 22:57:44,910 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 15 [2018-11-22 22:57:45,064 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2018-11-22 22:57:45,228 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2018-11-22 22:57:45,386 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2018-11-22 22:57:45,554 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-11-22 22:57:45,707 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2018-11-22 22:57:45,887 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 24 [2018-11-22 22:57:46,102 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2018-11-22 22:57:46,242 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2018-11-22 22:57:46,449 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2018-11-22 22:57:46,760 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-11-22 22:57:46,885 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2018-11-22 22:57:47,181 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 51 [2018-11-22 22:57:47,331 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2018-11-22 22:57:47,334 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-22 22:57:47,334 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:57:47,334 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:57:47,334 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:57:47,334 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:57:47,334 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:57:47,334 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 674 685) the Hoare annotation is: true [2018-11-22 22:57:47,334 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 674 685) no Hoare annotation was computed. [2018-11-22 22:57:47,334 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (= main_~s~0 8464) [2018-11-22 22:57:47,334 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 674 685) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L444 ceAbstractionStarter]: At program point L201(lines 197 591) the Hoare annotation is: (or (and (<= 8672 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 3) (not (= 12292 ssl3_accept_~s__state~0))) (not (= |ssl3_accept_#in~initial_state| 8464))) [2018-11-22 22:57:47,335 INFO L444 ceAbstractionStarter]: At program point L102(lines 101 623) the Hoare annotation is: (or (not (= |ssl3_accept_#in~initial_state| 8464)) (and (not (= 8673 ssl3_accept_~s__state~0)) (<= 8672 ssl3_accept_~s__state~0) (not (= 8672 ssl3_accept_~s__state~0)) (<= ssl3_accept_~blastFlag~0 3) (not (= ssl3_accept_~s__hit~0 0)))) [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L499-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 241) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 589) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 600) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 611) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 622) no Hoare annotation was computed. [2018-11-22 22:57:47,335 INFO L444 ceAbstractionStarter]: At program point L204(lines 203 589) the Hoare annotation is: (or (not (= 8672 ssl3_accept_~s__state~0)) (not (= |ssl3_accept_#in~initial_state| 8464))) [2018-11-22 22:57:47,336 INFO L444 ceAbstractionStarter]: At program point L171(lines 167 601) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8672 ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ssl3_accept_~s__state~0))) (.cse5 (not (= 8544 ssl3_accept_~s__state~0))) (.cse6 (not (= 8657 ssl3_accept_~s__state~0))) (.cse7 (not (= 8656 ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ssl3_accept_~s__state~0))) (.cse9 (not (= 8561 ssl3_accept_~s__state~0))) (.cse10 (not (= 8480 ssl3_accept_~s__state~0))) (.cse11 (not (= 8481 ssl3_accept_~s__state~0))) (.cse12 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ssl3_accept_~blastFlag~0 3) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= ssl3_accept_~s__hit~0 0)) .cse12) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2018-11-22 22:57:47,336 INFO L444 ceAbstractionStarter]: At program point L138(lines 134 612) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8544 ssl3_accept_~s__state~0))) (.cse3 (not (= 8448 ssl3_accept_~s__state~0))) (.cse4 (not (= 8561 ssl3_accept_~s__state~0))) (.cse5 (not (= 8480 ssl3_accept_~s__state~0))) (.cse6 (not (= 8481 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 (not (= 8672 ssl3_accept_~s__state~0)) .cse2 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse3 .cse4 .cse5 .cse6 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) .cse2 .cse3 .cse4 .cse5 .cse6 (<= ssl3_accept_~s__state~0 8576)) (not (= |ssl3_accept_#in~initial_state| 8464)))) [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 80) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 275) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 579) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 579) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L305-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 599) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 610) no Hoare annotation was computed. [2018-11-22 22:57:47,336 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 621) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 438 450) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L444 ceAbstractionStarter]: At program point L207(lines 206 588) the Hoare annotation is: (or (not (= 8672 ssl3_accept_~s__state~0)) (not (= |ssl3_accept_#in~initial_state| 8464))) [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 79) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 72 80) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L451 ceAbstractionStarter]: At program point L670(lines 63 672) the Hoare annotation is: true [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 643) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 543) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L444 ceAbstractionStarter]: At program point L406(lines 397 417) the Hoare annotation is: (let ((.cse0 (and (not (= 8560 ssl3_accept_~s__state~0)) (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8561 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8672 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)))) (.cse1 (not (= 8496 ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ssl3_accept_~s__state~0)))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 3) (not (= ssl3_accept_~s__hit~0 0)) .cse1 (<= ssl3_accept_~s__state~0 8672) .cse2) (and (<= ssl3_accept_~s__state~0 8576) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2)) (not (= |ssl3_accept_#in~initial_state| 8464)))) [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 344) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L340-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,337 INFO L451 ceAbstractionStarter]: At program point ssl3_acceptENTRY(lines 8 673) the Hoare annotation is: true [2018-11-22 22:57:47,337 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 576) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 598) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 609) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 620) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 446) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L444 ceAbstractionStarter]: At program point L177(lines 173 599) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8672 ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ssl3_accept_~s__state~0))) (.cse5 (not (= 8544 ssl3_accept_~s__state~0))) (.cse6 (not (= 8657 ssl3_accept_~s__state~0))) (.cse7 (not (= 8656 ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ssl3_accept_~s__state~0))) (.cse9 (not (= 8561 ssl3_accept_~s__state~0))) (.cse10 (not (= 8480 ssl3_accept_~s__state~0))) (.cse11 (not (= 8481 ssl3_accept_~s__state~0))) (.cse12 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ssl3_accept_~blastFlag~0 3) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= ssl3_accept_~s__hit~0 0)) .cse12) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2018-11-22 22:57:47,338 INFO L444 ceAbstractionStarter]: At program point L144(lines 140 610) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0))) (.cse4 (not (= 8544 ssl3_accept_~s__state~0))) (.cse5 (not (= 8448 ssl3_accept_~s__state~0))) (.cse6 (not (= 8561 ssl3_accept_~s__state~0))) (.cse7 (not (= 8480 ssl3_accept_~s__state~0))) (.cse8 (not (= 8481 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= 8672 ssl3_accept_~s__state~0)) .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse5 .cse6 .cse7 .cse8 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ssl3_accept_~s__state~0 8576)))) [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L444 ceAbstractionStarter]: At program point L211(lines 104 622) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0))) (.cse4 (not (= 8544 ssl3_accept_~s__state~0))) (.cse5 (not (= 8448 ssl3_accept_~s__state~0))) (.cse6 (not (= 8561 ssl3_accept_~s__state~0))) (.cse7 (not (= 8480 ssl3_accept_~s__state~0))) (.cse8 (not (= 8481 ssl3_accept_~s__state~0)))) (or (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 .cse1 (not (= 8673 ssl3_accept_~s__state~0)) .cse2 (not (= 8672 ssl3_accept_~s__state~0)) .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse5 .cse6 .cse7 .cse8 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ssl3_accept_~s__state~0 8576)))) [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2018-11-22 22:57:47,338 INFO L448 ceAbstractionStarter]: For program point L509-2(lines 509 513) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 597) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 608) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 619) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 481) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 90) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L82-1(lines 63 672) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 596) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L149(lines 149 607) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 618) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 379) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2018-11-22 22:57:47,339 INFO L448 ceAbstractionStarter]: For program point L216(lines 216 220) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L444 ceAbstractionStarter]: At program point L183(lines 179 597) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8672 ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ssl3_accept_~s__state~0))) (.cse5 (not (= 8544 ssl3_accept_~s__state~0))) (.cse6 (not (= 8657 ssl3_accept_~s__state~0))) (.cse7 (not (= 8656 ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ssl3_accept_~s__state~0))) (.cse9 (not (= 8561 ssl3_accept_~s__state~0))) (.cse10 (not (= 8480 ssl3_accept_~s__state~0))) (.cse11 (not (= 8481 ssl3_accept_~s__state~0))) (.cse12 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ssl3_accept_~blastFlag~0 3) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= ssl3_accept_~s__hit~0 0)) .cse12) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2018-11-22 22:57:47,340 INFO L444 ceAbstractionStarter]: At program point L150(lines 146 608) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0))) (.cse4 (not (= 8544 ssl3_accept_~s__state~0))) (.cse5 (not (= 8448 ssl3_accept_~s__state~0))) (.cse6 (not (= 8561 ssl3_accept_~s__state~0))) (.cse7 (not (= 8480 ssl3_accept_~s__state~0))) (.cse8 (not (= 8481 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= 8672 ssl3_accept_~s__state~0)) .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse5 .cse6 .cse7 .cse8 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ssl3_accept_~s__state~0 8576)))) [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L216-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 595) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 606) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 617) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L444 ceAbstractionStarter]: At program point L549(lines 63 672) the Hoare annotation is: (not (= |ssl3_accept_#in~initial_state| 8464)) [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point $Ultimate##90(lines 208 587) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 378) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point L351-1(lines 351 378) no Hoare annotation was computed. [2018-11-22 22:57:47,340 INFO L448 ceAbstractionStarter]: For program point $Ultimate##91(lines 208 587) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L444 ceAbstractionStarter]: At program point L120(lines 116 618) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0))) (.cse4 (not (= 8544 ssl3_accept_~s__state~0))) (.cse5 (not (= 8448 ssl3_accept_~s__state~0))) (.cse6 (not (= 8561 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= 8672 ssl3_accept_~s__state~0)) .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse5 .cse6 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ssl3_accept_~s__state~0 8576)) (not (= |ssl3_accept_#in~initial_state| 8464)))) [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 375) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 265) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 259) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 594) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 605) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 616) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptEXIT(lines 8 673) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L519(lines 519 524) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 418) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 666) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L288(lines 288 292) no Hoare annotation was computed. [2018-11-22 22:57:47,341 INFO L448 ceAbstractionStarter]: For program point L288-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,342 INFO L444 ceAbstractionStarter]: At program point L189(lines 185 595) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8672 ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ssl3_accept_~s__state~0))) (.cse5 (not (= 8544 ssl3_accept_~s__state~0))) (.cse6 (not (= 8657 ssl3_accept_~s__state~0))) (.cse7 (not (= 8656 ssl3_accept_~s__state~0))) (.cse8 (not (= 8448 ssl3_accept_~s__state~0))) (.cse9 (not (= 8561 ssl3_accept_~s__state~0))) (.cse10 (not (= 8480 ssl3_accept_~s__state~0))) (.cse11 (not (= 8481 ssl3_accept_~s__state~0))) (.cse12 (<= ssl3_accept_~s__state~0 8672))) (or (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= ssl3_accept_~s__hit~0 0)) .cse12))) [2018-11-22 22:57:47,342 INFO L444 ceAbstractionStarter]: At program point L156(lines 152 606) the Hoare annotation is: (let ((.cse0 (and (not (= 8560 ssl3_accept_~s__state~0)) (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8561 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8672 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)))) (.cse1 (not (= 8496 ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ssl3_accept_~s__state~0)))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 3) (not (= ssl3_accept_~s__hit~0 0)) .cse1 (<= ssl3_accept_~s__state~0 8672) .cse2) (and (<= ssl3_accept_~s__state~0 8576) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2)) (not (= |ssl3_accept_#in~initial_state| 8464)))) [2018-11-22 22:57:47,342 INFO L444 ceAbstractionStarter]: At program point L123(lines 122 616) the Hoare annotation is: (or (and (not (= 8560 ssl3_accept_~s__state~0)) (not (= 8545 ssl3_accept_~s__state~0)) (not (= 8496 ssl3_accept_~s__state~0)) (not (= 8672 ssl3_accept_~s__state~0)) (not (= 8497 ssl3_accept_~s__state~0)) (not (= 8544 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8561 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) (<= ssl3_accept_~s__state~0 8672)) (not (= |ssl3_accept_#in~initial_state| 8464))) [2018-11-22 22:57:47,342 INFO L444 ceAbstractionStarter]: At program point L586(lines 98 654) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (not (= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (= ssl3_accept_~s__state~0 8448)) (and .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ssl3_accept_~s__state~0 8576)) (<= ssl3_accept_~s__state~0 3) (and .cse1 (not (= 8545 ssl3_accept_~s__state~0)) (not (= 8497 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8561 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) .cse2) (and (<= 8672 ssl3_accept_~s__state~0) .cse0 .cse2))) [2018-11-22 22:57:47,342 INFO L448 ceAbstractionStarter]: For program point L553(lines 553 557) no Hoare annotation was computed. [2018-11-22 22:57:47,342 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2018-11-22 22:57:47,342 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 374) no Hoare annotation was computed. [2018-11-22 22:57:47,342 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-22 22:57:47,342 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L356-2(lines 355 372) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 593) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 604) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L125(lines 125 615) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptFINAL(lines 8 673) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L324-1(lines 324 333) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L451 ceAbstractionStarter]: At program point L655(lines 97 656) the Hoare annotation is: true [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 592) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 603) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L128(lines 128 614) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 652) no Hoare annotation was computed. [2018-11-22 22:57:47,343 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 245) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L444 ceAbstractionStarter]: At program point L195(lines 191 593) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8672 ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ssl3_accept_~s__state~0))) (.cse5 (not (= 8544 ssl3_accept_~s__state~0))) (.cse6 (not (= 8448 ssl3_accept_~s__state~0))) (.cse7 (not (= 8561 ssl3_accept_~s__state~0))) (.cse8 (not (= 8480 ssl3_accept_~s__state~0))) (.cse9 (not (= 8481 ssl3_accept_~s__state~0))) (.cse10 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ssl3_accept_~blastFlag~0 3) .cse6 .cse7 .cse8 .cse9 (not (= ssl3_accept_~s__hit~0 0)) .cse10) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2018-11-22 22:57:47,344 INFO L444 ceAbstractionStarter]: At program point L162(lines 158 604) the Hoare annotation is: (let ((.cse0 (and (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8672 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) (not (= 8544 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0)))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 3) .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2 (<= ssl3_accept_~s__state~0 8672) .cse3) (and (<= ssl3_accept_~s__state~0 8576) .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3) (not (= |ssl3_accept_#in~initial_state| 8464)))) [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L228-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L625(lines 625 649) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L526-2(lines 208 585) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2018-11-22 22:57:47,344 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 635) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L659-2(lines 659 663) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L626-2(lines 625 647) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L461(lines 461 472) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L444 ceAbstractionStarter]: At program point L362(lines 345 380) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0))) (.cse4 (not (= 8544 ssl3_accept_~s__state~0))) (.cse5 (not (= 8448 ssl3_accept_~s__state~0))) (.cse6 (not (= 8561 ssl3_accept_~s__state~0))) (.cse7 (not (= 8480 ssl3_accept_~s__state~0))) (.cse8 (not (= 8481 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= 8672 ssl3_accept_~s__state~0)) .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse5 .cse6 .cse7 .cse8 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ssl3_accept_~s__state~0 8576)))) [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 235) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 591) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 602) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 613) no Hoare annotation was computed. [2018-11-22 22:57:47,345 INFO L444 ceAbstractionStarter]: At program point L98-2(lines 98 654) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (not (= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (= ssl3_accept_~s__state~0 8448)) (and .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ssl3_accept_~s__state~0 8576)) (<= ssl3_accept_~s__state~0 3) (and .cse1 (not (= 8545 ssl3_accept_~s__state~0)) (not (= 8497 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8561 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) .cse2) (and (<= 8672 ssl3_accept_~s__state~0) .cse0 .cse2))) [2018-11-22 22:57:47,346 INFO L444 ceAbstractionStarter]: At program point L396(lines 387 418) the Hoare annotation is: (let ((.cse0 (and (not (= 8560 ssl3_accept_~s__state~0)) (not (= 8448 ssl3_accept_~s__state~0)) (not (= 8561 ssl3_accept_~s__state~0)) (not (= 8480 ssl3_accept_~s__state~0)) (not (= 8672 ssl3_accept_~s__state~0)) (not (= 8481 ssl3_accept_~s__state~0)) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)))) (.cse1 (not (= 8496 ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ssl3_accept_~s__state~0)))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 3) (not (= ssl3_accept_~s__hit~0 0)) .cse1 (<= ssl3_accept_~s__state~0 8672) .cse2) (and (<= ssl3_accept_~s__state~0 8576) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2)) (not (= |ssl3_accept_#in~initial_state| 8464)))) [2018-11-22 22:57:47,346 INFO L444 ceAbstractionStarter]: At program point L165(lines 164 602) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (= ssl3_accept_~s__state~0 8448))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1) (not (= |ssl3_accept_#in~initial_state| 8464)) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 .cse1))) [2018-11-22 22:57:47,346 INFO L444 ceAbstractionStarter]: At program point L132(lines 125 615) the Hoare annotation is: (let ((.cse0 (not (= 8560 ssl3_accept_~s__state~0))) (.cse1 (not (= 8545 ssl3_accept_~s__state~0))) (.cse2 (not (= 8496 ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ssl3_accept_~s__state~0))) (.cse4 (not (= 8544 ssl3_accept_~s__state~0))) (.cse5 (not (= 8448 ssl3_accept_~s__state~0))) (.cse6 (not (= 8561 ssl3_accept_~s__state~0))) (.cse7 (not (= 8480 ssl3_accept_~s__state~0))) (.cse8 (not (= 8481 ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= 8672 ssl3_accept_~s__state~0)) .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 3) (not (= 8657 ssl3_accept_~s__state~0)) (not (= 8656 ssl3_accept_~s__state~0)) .cse5 .cse6 .cse7 .cse8 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (not (= |ssl3_accept_#in~initial_state| 8464)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ssl3_accept_~s__state~0 8576)))) [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 632) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L364(lines 364 368) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 590) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 601) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 612) no Hoare annotation was computed. [2018-11-22 22:57:47,346 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 623) no Hoare annotation was computed. [2018-11-22 22:57:47,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:57:47 BoogieIcfgContainer [2018-11-22 22:57:47,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:57:47,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:57:47,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:57:47,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:57:47,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:57:32" (3/4) ... [2018-11-22 22:57:47,393 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:57:47,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:57:47,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:57:47,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_accept [2018-11-22 22:57:47,406 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 22:57:47,407 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:57:47,407 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:57:47,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((blastFlag <= 3 && !(s__hit == 0)) || !(\old(initial_state) == 8464)) || ((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state == 8448)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || s__state <= 3) || ((((((((blastFlag <= 2 && !(8545 == s__state)) && !(8497 == s__state)) && !(8657 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) [2018-11-22 22:57:47,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(initial_state) == 8464) || ((((!(8673 == s__state) && 8672 <= s__state) && !(8672 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) [2018-11-22 22:57:47,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(initial_state) == 8464) || ((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8673 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0))) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) [2018-11-22 22:57:47,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || (((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((blastFlag <= 3 && !(s__hit == 0)) || !(\old(initial_state) == 8464)) || ((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state == 8448)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || s__state <= 3) || ((((((((blastFlag <= 2 && !(8545 == s__state)) && !(8497 == s__state)) && !(8657 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) [2018-11-22 22:57:47,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) [2018-11-22 22:57:47,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8672 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || ((((((((!(8560 == s__state) && !(8545 == s__state)) && blastFlag <= 2) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576)) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) [2018-11-22 22:57:47,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) [2018-11-22 22:57:47,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (s__state <= 8576 && (((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) [2018-11-22 22:57:47,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (s__state <= 8576 && (((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8448 == s__state) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(8545 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (((((s__state <= 8576 && (((((!(8448 == s__state) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (s__state <= 8576 && (((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((blastFlag <= 3 && !(s__hit == 0)) && s__state == 8448) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state == 8448)) || !(\old(initial_state) == 8464)) || ((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state == 8448) [2018-11-22 22:57:47,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) [2018-11-22 22:57:47,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(initial_state) == 8464) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672)) || (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(8672 == s__state) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(8672 == s__state) || !(\old(initial_state) == 8464) [2018-11-22 22:57:47,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(initial_state) == 8464) [2018-11-22 22:57:47,478 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_203337de-c4e5-4191-ba7f-c6e2afe4c76b/bin-2019/utaipan/witness.graphml [2018-11-22 22:57:47,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:57:47,479 INFO L168 Benchmark]: Toolchain (without parser) took 15932.81 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 959.1 MB in the beginning and 1.3 GB in the end (delta: -363.9 MB). Peak memory consumption was 789.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:57:47,480 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:57:47,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 940.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:57:47,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -200.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:57:47,481 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:57:47,481 INFO L168 Benchmark]: RCFGBuilder took 451.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:57:47,481 INFO L168 Benchmark]: TraceAbstraction took 15058.81 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -239.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-22 22:57:47,481 INFO L168 Benchmark]: Witness Printer took 89.89 ms. Allocated memory is still 2.2 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-22 22:57:47,483 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 940.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -200.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15058.81 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -239.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 89.89 ms. Allocated memory is still 2.2 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 666]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (s__state <= 8576 && (((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: !(8672 == s__state) || !(\old(initial_state) == 8464) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((((((((((!(8448 == s__state) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(8545 == s__state)) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (((((s__state <= 8576 && (((((!(8448 == s__state) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || (((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || !(\old(initial_state) == 8464) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: !(\old(initial_state) == 8464) || ((((!(8673 == s__state) && 8672 <= s__state) && !(8672 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) || !(\old(initial_state) == 8464) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (s__state <= 8576 && (((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(8672 == s__state) || !(\old(initial_state) == 8464) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((blastFlag <= 3 && !(s__hit == 0)) && s__state == 8448) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state == 8448)) || !(\old(initial_state) == 8464)) || ((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state == 8448) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: !(\old(initial_state) == 8464) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) || !(\old(initial_state) == 8464) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 3) && !(s__hit == 0)) && !(8496 == s__state)) && s__state <= 8672) && !(8497 == s__state)) || (s__state <= 8576 && (((((((((!(8560 == s__state) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8672 == s__state)) && !(8481 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && blastFlag <= 2) && !(8496 == s__state)) && !(8497 == s__state))) || !(\old(initial_state) == 8464) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (!(\old(initial_state) == 8464) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672)) || (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (!(\old(initial_state) == 8464) || ((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8673 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0))) || ((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 3 && !(s__hit == 0)) || !(\old(initial_state) == 8464)) || ((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state == 8448)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || s__state <= 3) || ((((((((blastFlag <= 2 && !(8545 == s__state)) && !(8497 == s__state)) && !(8657 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8672 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || ((((((((!(8560 == s__state) && !(8545 == s__state)) && blastFlag <= 2) && !(8544 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8576)) || !(\old(initial_state) == 8464) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 3 && !(s__hit == 0)) || !(\old(initial_state) == 8464)) || ((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state == 8448)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || s__state <= 3) || ((((((((blastFlag <= 2 && !(8545 == s__state)) && !(8497 == s__state)) && !(8657 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672)) || ((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((!(8560 == s__state) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && blastFlag <= 3) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && !(s__hit == 0)) && s__state <= 8672) || !(\old(initial_state) == 8464)) || (((((((((((((!(8560 == s__state) && blastFlag <= 2) && !(8545 == s__state)) && !(8496 == s__state)) && !(8672 == s__state)) && !(8497 == s__state)) && !(8544 == s__state)) && !(8657 == s__state)) && !(8656 == s__state)) && !(8448 == s__state)) && !(8561 == s__state)) && !(8480 == s__state)) && !(8481 == s__state)) && s__state <= 8672) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 31 OverallIterations, 19 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5267 SDtfs, 6674 SDslu, 4554 SDs, 0 SdLazy, 4133 SolverSat, 909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 4211 GetRequests, 4125 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2224occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 7 AbstIntIterations, 1 AbstIntStrong, 0.5601190476190477 AbsIntWeakeningRatio, 0.5634920634920635 AbsIntAvgWeakeningVarsNumRemoved, 2.5238095238095237 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 31 MinimizatonAttempts, 976 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 193 NumberOfFragments, 2047 HoareAnnotationTreeSize, 33 FomulaSimplifications, 26618 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 33 FomulaSimplificationsInter, 11157 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 8510 NumberOfCodeBlocks, 8510 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 9323 ConstructedInterpolants, 0 QuantifiedInterpolants, 4158813 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3482 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 38 InterpolantComputations, 32 PerfectInterpolantSequences, 32808/32964 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...