./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a02d09c3bd79dd383aa53724ac7940e13c97792 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:56:39,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:56:39,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:56:39,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:56:39,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:56:39,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:56:39,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:56:39,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:56:39,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:56:39,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:56:39,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:56:39,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:56:39,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:56:39,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:56:39,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:56:39,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:56:39,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:56:39,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:56:39,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:56:39,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:56:39,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:56:39,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:56:39,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:56:39,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:56:39,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:56:39,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:56:39,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:56:39,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:56:39,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:56:39,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:56:39,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:56:39,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:56:39,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:56:39,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:56:39,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:56:39,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:56:39,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:56:39,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:56:39,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:56:39,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:56:39,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:56:39,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:56:39,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:56:39,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:56:39,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:56:39,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:56:39,444 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:56:39,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:56:39,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:56:39,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:56:39,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:56:39,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:56:39,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:56:39,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:56:39,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:56:39,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:56:39,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:56:39,448 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:56:39,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:56:39,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:56:39,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:56:39,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:56:39,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:56:39,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:56:39,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:56:39,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:56:39,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:56:39,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:56:39,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:56:39,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:56:39,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:56:39,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a02d09c3bd79dd383aa53724ac7940e13c97792 [2020-11-29 19:56:39,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:56:39,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:56:39,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:56:39,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:56:39,811 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:56:39,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2020-11-29 19:56:39,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/data/ec11463ca/c1044832d73a457ba712c4ab1a23b104/FLAG1556ffaf6 [2020-11-29 19:56:40,616 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:56:40,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2020-11-29 19:56:40,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/data/ec11463ca/c1044832d73a457ba712c4ab1a23b104/FLAG1556ffaf6 [2020-11-29 19:56:40,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/data/ec11463ca/c1044832d73a457ba712c4ab1a23b104 [2020-11-29 19:56:40,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:56:40,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:56:40,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:56:40,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:56:40,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:56:40,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:56:40" (1/1) ... [2020-11-29 19:56:40,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e02f293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:40, skipping insertion in model container [2020-11-29 19:56:40,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:56:40" (1/1) ... [2020-11-29 19:56:40,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:56:41,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:56:41,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:56:41,423 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:56:41,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:56:41,527 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:56:41,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41 WrapperNode [2020-11-29 19:56:41,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:56:41,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:56:41,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:56:41,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:56:41,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:56:41,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:56:41,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:56:41,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:56:41,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... [2020-11-29 19:56:41,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:56:41,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:56:41,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:56:41,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:56:41,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:56:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:56:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:56:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:56:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:56:42,102 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 19:56:43,014 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-29 19:56:43,014 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-29 19:56:43,024 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:56:43,024 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:56:43,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:56:43 BoogieIcfgContainer [2020-11-29 19:56:43,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:56:43,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:56:43,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:56:43,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:56:43,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:56:40" (1/3) ... [2020-11-29 19:56:43,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8a47ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:56:43, skipping insertion in model container [2020-11-29 19:56:43,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:41" (2/3) ... [2020-11-29 19:56:43,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8a47ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:56:43, skipping insertion in model container [2020-11-29 19:56:43,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:56:43" (3/3) ... [2020-11-29 19:56:43,042 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2020-11-29 19:56:43,053 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:56:43,058 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:56:43,073 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:56:43,123 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:56:43,123 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:56:43,123 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:56:43,123 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:56:43,124 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:56:43,124 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:56:43,124 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:56:43,124 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:56:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-11-29 19:56:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 19:56:43,174 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:43,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:43,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:43,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:43,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2020-11-29 19:56:43,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:43,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293947489] [2020-11-29 19:56:43,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:56:43,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293947489] [2020-11-29 19:56:43,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:43,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:43,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276855048] [2020-11-29 19:56:43,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:43,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:43,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:43,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:43,619 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 3 states. [2020-11-29 19:56:44,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:44,131 INFO L93 Difference]: Finished difference Result 329 states and 565 transitions. [2020-11-29 19:56:44,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:44,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-29 19:56:44,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:44,159 INFO L225 Difference]: With dead ends: 329 [2020-11-29 19:56:44,166 INFO L226 Difference]: Without dead ends: 175 [2020-11-29 19:56:44,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:44,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-11-29 19:56:44,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2020-11-29 19:56:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-29 19:56:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2020-11-29 19:56:44,270 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2020-11-29 19:56:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:44,271 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2020-11-29 19:56:44,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2020-11-29 19:56:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:56:44,273 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:44,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:44,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:56:44,274 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:44,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:44,275 INFO L82 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2020-11-29 19:56:44,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:44,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183713349] [2020-11-29 19:56:44,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:56:44,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183713349] [2020-11-29 19:56:44,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:44,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:44,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165495325] [2020-11-29 19:56:44,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:44,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:44,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:44,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:44,386 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand 3 states. [2020-11-29 19:56:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:44,705 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2020-11-29 19:56:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:44,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-29 19:56:44,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:44,708 INFO L225 Difference]: With dead ends: 380 [2020-11-29 19:56:44,709 INFO L226 Difference]: Without dead ends: 216 [2020-11-29 19:56:44,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-11-29 19:56:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2020-11-29 19:56:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-11-29 19:56:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2020-11-29 19:56:44,733 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2020-11-29 19:56:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:44,734 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2020-11-29 19:56:44,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2020-11-29 19:56:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 19:56:44,747 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:44,748 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:44,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:56:44,749 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:44,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1754997851, now seen corresponding path program 1 times [2020-11-29 19:56:44,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:44,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084138598] [2020-11-29 19:56:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:56:44,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084138598] [2020-11-29 19:56:44,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:44,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:44,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272228205] [2020-11-29 19:56:44,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:44,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:44,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:44,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:44,908 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand 3 states. [2020-11-29 19:56:45,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:45,178 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2020-11-29 19:56:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:45,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-29 19:56:45,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:45,182 INFO L225 Difference]: With dead ends: 445 [2020-11-29 19:56:45,182 INFO L226 Difference]: Without dead ends: 242 [2020-11-29 19:56:45,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-11-29 19:56:45,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-11-29 19:56:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-11-29 19:56:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2020-11-29 19:56:45,234 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2020-11-29 19:56:45,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:45,236 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2020-11-29 19:56:45,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:45,237 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2020-11-29 19:56:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 19:56:45,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:45,240 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:45,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:56:45,241 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:45,241 INFO L82 PathProgramCache]: Analyzing trace with hash -479038981, now seen corresponding path program 1 times [2020-11-29 19:56:45,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:45,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463591592] [2020-11-29 19:56:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:56:45,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463591592] [2020-11-29 19:56:45,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:45,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:45,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528124972] [2020-11-29 19:56:45,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:45,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:45,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:45,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:45,361 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand 3 states. [2020-11-29 19:56:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:45,568 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2020-11-29 19:56:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:45,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 19:56:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:45,571 INFO L225 Difference]: With dead ends: 493 [2020-11-29 19:56:45,571 INFO L226 Difference]: Without dead ends: 259 [2020-11-29 19:56:45,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-11-29 19:56:45,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2020-11-29 19:56:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-11-29 19:56:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2020-11-29 19:56:45,601 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2020-11-29 19:56:45,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:45,601 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2020-11-29 19:56:45,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2020-11-29 19:56:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 19:56:45,604 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:45,604 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:45,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:56:45,605 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:45,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:45,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1816808322, now seen corresponding path program 1 times [2020-11-29 19:56:45,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:45,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912217319] [2020-11-29 19:56:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:56:45,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912217319] [2020-11-29 19:56:45,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:45,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:45,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045805928] [2020-11-29 19:56:45,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:45,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:45,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:45,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:45,719 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand 3 states. [2020-11-29 19:56:46,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:46,072 INFO L93 Difference]: Finished difference Result 553 states and 933 transitions. [2020-11-29 19:56:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:46,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 19:56:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:46,078 INFO L225 Difference]: With dead ends: 553 [2020-11-29 19:56:46,078 INFO L226 Difference]: Without dead ends: 304 [2020-11-29 19:56:46,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-29 19:56:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 299. [2020-11-29 19:56:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-29 19:56:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2020-11-29 19:56:46,107 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2020-11-29 19:56:46,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:46,108 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2020-11-29 19:56:46,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2020-11-29 19:56:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 19:56:46,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:46,110 INFO L422 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] [2020-11-29 19:56:46,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:56:46,111 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:46,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:46,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1697148062, now seen corresponding path program 1 times [2020-11-29 19:56:46,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:46,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049238799] [2020-11-29 19:56:46,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:56:46,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049238799] [2020-11-29 19:56:46,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:46,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:46,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981160650] [2020-11-29 19:56:46,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:46,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:46,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:46,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:46,211 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand 3 states. [2020-11-29 19:56:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:46,401 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2020-11-29 19:56:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:46,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 19:56:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:46,404 INFO L225 Difference]: With dead ends: 592 [2020-11-29 19:56:46,404 INFO L226 Difference]: Without dead ends: 301 [2020-11-29 19:56:46,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:46,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-11-29 19:56:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2020-11-29 19:56:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-29 19:56:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2020-11-29 19:56:46,424 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2020-11-29 19:56:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:46,424 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2020-11-29 19:56:46,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2020-11-29 19:56:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 19:56:46,425 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:46,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:46,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:56:46,426 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:46,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:46,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1432172412, now seen corresponding path program 1 times [2020-11-29 19:56:46,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:46,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627415501] [2020-11-29 19:56:46,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:56:46,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627415501] [2020-11-29 19:56:46,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:46,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:46,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056094850] [2020-11-29 19:56:46,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:46,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:46,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:46,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:46,489 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand 3 states. [2020-11-29 19:56:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:46,754 INFO L93 Difference]: Finished difference Result 595 states and 997 transitions. [2020-11-29 19:56:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:46,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 19:56:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:46,757 INFO L225 Difference]: With dead ends: 595 [2020-11-29 19:56:46,757 INFO L226 Difference]: Without dead ends: 302 [2020-11-29 19:56:46,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-11-29 19:56:46,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2020-11-29 19:56:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-11-29 19:56:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2020-11-29 19:56:46,773 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2020-11-29 19:56:46,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:46,774 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2020-11-29 19:56:46,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2020-11-29 19:56:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-29 19:56:46,775 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:46,775 INFO L422 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] [2020-11-29 19:56:46,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:56:46,776 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:46,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:46,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1085183485, now seen corresponding path program 1 times [2020-11-29 19:56:46,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:46,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079400968] [2020-11-29 19:56:46,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-29 19:56:46,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079400968] [2020-11-29 19:56:46,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:46,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:46,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058900390] [2020-11-29 19:56:46,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:46,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:46,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:46,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:46,878 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand 3 states. [2020-11-29 19:56:47,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:47,056 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2020-11-29 19:56:47,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:47,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-29 19:56:47,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:47,059 INFO L225 Difference]: With dead ends: 595 [2020-11-29 19:56:47,059 INFO L226 Difference]: Without dead ends: 306 [2020-11-29 19:56:47,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-11-29 19:56:47,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-11-29 19:56:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-29 19:56:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2020-11-29 19:56:47,075 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2020-11-29 19:56:47,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:47,075 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2020-11-29 19:56:47,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2020-11-29 19:56:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 19:56:47,077 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:47,077 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:47,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:56:47,077 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:47,078 INFO L82 PathProgramCache]: Analyzing trace with hash -860132162, now seen corresponding path program 1 times [2020-11-29 19:56:47,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:47,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525257037] [2020-11-29 19:56:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:56:47,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525257037] [2020-11-29 19:56:47,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:47,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:47,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251296968] [2020-11-29 19:56:47,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:47,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:47,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:47,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,121 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand 3 states. [2020-11-29 19:56:47,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:47,336 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2020-11-29 19:56:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:47,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 19:56:47,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:47,340 INFO L225 Difference]: With dead ends: 635 [2020-11-29 19:56:47,340 INFO L226 Difference]: Without dead ends: 337 [2020-11-29 19:56:47,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-11-29 19:56:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-11-29 19:56:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-11-29 19:56:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2020-11-29 19:56:47,358 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2020-11-29 19:56:47,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:47,358 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2020-11-29 19:56:47,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2020-11-29 19:56:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 19:56:47,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:47,360 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:56:47,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:56:47,361 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:47,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:47,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1120928325, now seen corresponding path program 1 times [2020-11-29 19:56:47,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:47,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359074753] [2020-11-29 19:56:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:56:47,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359074753] [2020-11-29 19:56:47,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:47,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:47,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295181584] [2020-11-29 19:56:47,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:47,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:47,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:47,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,452 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand 3 states. [2020-11-29 19:56:47,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:47,691 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2020-11-29 19:56:47,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:47,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 19:56:47,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:47,694 INFO L225 Difference]: With dead ends: 664 [2020-11-29 19:56:47,694 INFO L226 Difference]: Without dead ends: 337 [2020-11-29 19:56:47,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-11-29 19:56:47,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-11-29 19:56:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-11-29 19:56:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2020-11-29 19:56:47,709 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2020-11-29 19:56:47,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:47,710 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2020-11-29 19:56:47,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2020-11-29 19:56:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-29 19:56:47,713 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:47,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:47,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:56:47,714 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:47,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:47,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1084775058, now seen corresponding path program 1 times [2020-11-29 19:56:47,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:47,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580418790] [2020-11-29 19:56:47,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:56:47,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580418790] [2020-11-29 19:56:47,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:47,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:47,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681673240] [2020-11-29 19:56:47,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:47,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:47,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:47,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,772 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand 3 states. [2020-11-29 19:56:47,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:47,994 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2020-11-29 19:56:47,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:47,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-11-29 19:56:47,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:47,997 INFO L225 Difference]: With dead ends: 697 [2020-11-29 19:56:47,997 INFO L226 Difference]: Without dead ends: 370 [2020-11-29 19:56:47,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:47,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-29 19:56:48,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-11-29 19:56:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-11-29 19:56:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2020-11-29 19:56:48,017 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2020-11-29 19:56:48,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:48,017 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2020-11-29 19:56:48,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2020-11-29 19:56:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-29 19:56:48,019 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:48,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:48,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:56:48,020 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:48,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:48,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1691577195, now seen corresponding path program 1 times [2020-11-29 19:56:48,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:48,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182223831] [2020-11-29 19:56:48,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:56:48,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182223831] [2020-11-29 19:56:48,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:48,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:48,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403104506] [2020-11-29 19:56:48,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:48,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:48,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:48,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:48,087 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand 3 states. [2020-11-29 19:56:48,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:48,327 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2020-11-29 19:56:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:48,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-29 19:56:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:48,330 INFO L225 Difference]: With dead ends: 724 [2020-11-29 19:56:48,331 INFO L226 Difference]: Without dead ends: 370 [2020-11-29 19:56:48,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:48,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-29 19:56:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-11-29 19:56:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-11-29 19:56:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2020-11-29 19:56:48,349 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2020-11-29 19:56:48,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:48,349 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2020-11-29 19:56:48,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2020-11-29 19:56:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 19:56:48,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:48,351 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:48,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:56:48,352 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:48,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:48,353 INFO L82 PathProgramCache]: Analyzing trace with hash -479008336, now seen corresponding path program 1 times [2020-11-29 19:56:48,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:48,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266523713] [2020-11-29 19:56:48,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:56:48,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266523713] [2020-11-29 19:56:48,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:48,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:48,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630162858] [2020-11-29 19:56:48,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:48,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:48,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:48,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:48,440 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand 3 states. [2020-11-29 19:56:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:48,664 INFO L93 Difference]: Finished difference Result 741 states and 1193 transitions. [2020-11-29 19:56:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:48,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 19:56:48,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:48,668 INFO L225 Difference]: With dead ends: 741 [2020-11-29 19:56:48,668 INFO L226 Difference]: Without dead ends: 387 [2020-11-29 19:56:48,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:48,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-11-29 19:56:48,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2020-11-29 19:56:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-29 19:56:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2020-11-29 19:56:48,687 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2020-11-29 19:56:48,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:48,689 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2020-11-29 19:56:48,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2020-11-29 19:56:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-29 19:56:48,692 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:48,692 INFO L422 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] [2020-11-29 19:56:48,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:56:48,692 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:48,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:48,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2118869193, now seen corresponding path program 1 times [2020-11-29 19:56:48,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:48,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379266106] [2020-11-29 19:56:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:56:48,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379266106] [2020-11-29 19:56:48,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:48,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:48,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132078568] [2020-11-29 19:56:48,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:48,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:48,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:48,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:48,804 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand 3 states. [2020-11-29 19:56:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:49,073 INFO L93 Difference]: Finished difference Result 762 states and 1216 transitions. [2020-11-29 19:56:49,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:49,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-29 19:56:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:49,076 INFO L225 Difference]: With dead ends: 762 [2020-11-29 19:56:49,077 INFO L226 Difference]: Without dead ends: 387 [2020-11-29 19:56:49,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-11-29 19:56:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2020-11-29 19:56:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-29 19:56:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2020-11-29 19:56:49,098 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2020-11-29 19:56:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:49,099 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2020-11-29 19:56:49,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2020-11-29 19:56:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 19:56:49,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:49,101 INFO L422 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] [2020-11-29 19:56:49,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:56:49,102 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:49,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1932137040, now seen corresponding path program 1 times [2020-11-29 19:56:49,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:49,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362139446] [2020-11-29 19:56:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 19:56:49,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362139446] [2020-11-29 19:56:49,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:49,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:49,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039390008] [2020-11-29 19:56:49,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:49,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:49,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:49,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,162 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand 3 states. [2020-11-29 19:56:49,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:49,221 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2020-11-29 19:56:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:49,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 19:56:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:49,227 INFO L225 Difference]: With dead ends: 758 [2020-11-29 19:56:49,227 INFO L226 Difference]: Without dead ends: 756 [2020-11-29 19:56:49,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-11-29 19:56:49,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2020-11-29 19:56:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-11-29 19:56:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2020-11-29 19:56:49,264 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2020-11-29 19:56:49,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:49,265 INFO L481 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2020-11-29 19:56:49,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2020-11-29 19:56:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 19:56:49,267 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:49,268 INFO L422 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] [2020-11-29 19:56:49,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 19:56:49,268 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1552830339, now seen corresponding path program 1 times [2020-11-29 19:56:49,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:49,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706796711] [2020-11-29 19:56:49,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:56:49,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706796711] [2020-11-29 19:56:49,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:49,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:49,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031060659] [2020-11-29 19:56:49,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:49,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:49,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:49,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,330 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand 3 states. [2020-11-29 19:56:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:49,426 INFO L93 Difference]: Finished difference Result 1832 states and 2900 transitions. [2020-11-29 19:56:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:49,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 19:56:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:49,434 INFO L225 Difference]: With dead ends: 1832 [2020-11-29 19:56:49,434 INFO L226 Difference]: Without dead ends: 1084 [2020-11-29 19:56:49,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-11-29 19:56:49,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2020-11-29 19:56:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2020-11-29 19:56:49,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1713 transitions. [2020-11-29 19:56:49,484 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1713 transitions. Word has length 122 [2020-11-29 19:56:49,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:49,485 INFO L481 AbstractCegarLoop]: Abstraction has 1084 states and 1713 transitions. [2020-11-29 19:56:49,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1713 transitions. [2020-11-29 19:56:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 19:56:49,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:49,488 INFO L422 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] [2020-11-29 19:56:49,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 19:56:49,488 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash 323652479, now seen corresponding path program 1 times [2020-11-29 19:56:49,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:49,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36263344] [2020-11-29 19:56:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:56:49,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36263344] [2020-11-29 19:56:49,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:49,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:49,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757290149] [2020-11-29 19:56:49,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:49,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:49,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:49,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,539 INFO L87 Difference]: Start difference. First operand 1084 states and 1713 transitions. Second operand 3 states. [2020-11-29 19:56:49,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:49,626 INFO L93 Difference]: Finished difference Result 2529 states and 4000 transitions. [2020-11-29 19:56:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:49,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 19:56:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:49,635 INFO L225 Difference]: With dead ends: 2529 [2020-11-29 19:56:49,636 INFO L226 Difference]: Without dead ends: 1453 [2020-11-29 19:56:49,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2020-11-29 19:56:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2020-11-29 19:56:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1453 states. [2020-11-29 19:56:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2295 transitions. [2020-11-29 19:56:49,702 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2295 transitions. Word has length 122 [2020-11-29 19:56:49,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:49,702 INFO L481 AbstractCegarLoop]: Abstraction has 1453 states and 2295 transitions. [2020-11-29 19:56:49,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2295 transitions. [2020-11-29 19:56:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 19:56:49,706 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:49,706 INFO L422 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] [2020-11-29 19:56:49,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 19:56:49,707 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:49,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:49,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1712946493, now seen corresponding path program 1 times [2020-11-29 19:56:49,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:49,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519817694] [2020-11-29 19:56:49,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 19:56:49,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519817694] [2020-11-29 19:56:49,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:49,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:49,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45532936] [2020-11-29 19:56:49,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:49,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:49,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:49,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,778 INFO L87 Difference]: Start difference. First operand 1453 states and 2295 transitions. Second operand 3 states. [2020-11-29 19:56:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:49,901 INFO L93 Difference]: Finished difference Result 3249 states and 5133 transitions. [2020-11-29 19:56:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:49,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 19:56:49,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:49,913 INFO L225 Difference]: With dead ends: 3249 [2020-11-29 19:56:49,913 INFO L226 Difference]: Without dead ends: 1804 [2020-11-29 19:56:49,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:49,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2020-11-29 19:56:49,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2020-11-29 19:56:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-11-29 19:56:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2846 transitions. [2020-11-29 19:56:49,995 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2846 transitions. Word has length 122 [2020-11-29 19:56:49,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:49,995 INFO L481 AbstractCegarLoop]: Abstraction has 1804 states and 2846 transitions. [2020-11-29 19:56:49,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2846 transitions. [2020-11-29 19:56:50,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-29 19:56:50,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:50,001 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:50,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 19:56:50,001 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:50,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:50,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1532697181, now seen corresponding path program 1 times [2020-11-29 19:56:50,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:50,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649600997] [2020-11-29 19:56:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-11-29 19:56:50,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649600997] [2020-11-29 19:56:50,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:50,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:50,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277949601] [2020-11-29 19:56:50,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:50,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:50,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:50,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:50,083 INFO L87 Difference]: Start difference. First operand 1804 states and 2846 transitions. Second operand 3 states. [2020-11-29 19:56:50,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:50,432 INFO L93 Difference]: Finished difference Result 3650 states and 5740 transitions. [2020-11-29 19:56:50,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:50,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-29 19:56:50,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:50,445 INFO L225 Difference]: With dead ends: 3650 [2020-11-29 19:56:50,446 INFO L226 Difference]: Without dead ends: 1854 [2020-11-29 19:56:50,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:50,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2020-11-29 19:56:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1804. [2020-11-29 19:56:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-11-29 19:56:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2774 transitions. [2020-11-29 19:56:50,522 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2774 transitions. Word has length 199 [2020-11-29 19:56:50,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:50,522 INFO L481 AbstractCegarLoop]: Abstraction has 1804 states and 2774 transitions. [2020-11-29 19:56:50,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2774 transitions. [2020-11-29 19:56:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-29 19:56:50,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:50,528 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:50,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 19:56:50,529 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:50,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:50,529 INFO L82 PathProgramCache]: Analyzing trace with hash -995291011, now seen corresponding path program 1 times [2020-11-29 19:56:50,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:50,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964663194] [2020-11-29 19:56:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-29 19:56:50,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964663194] [2020-11-29 19:56:50,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:50,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:50,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132045665] [2020-11-29 19:56:50,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:50,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:50,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:50,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:50,598 INFO L87 Difference]: Start difference. First operand 1804 states and 2774 transitions. Second operand 3 states. [2020-11-29 19:56:50,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:50,947 INFO L93 Difference]: Finished difference Result 3667 states and 5613 transitions. [2020-11-29 19:56:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:50,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-11-29 19:56:50,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:50,960 INFO L225 Difference]: With dead ends: 3667 [2020-11-29 19:56:50,960 INFO L226 Difference]: Without dead ends: 1871 [2020-11-29 19:56:50,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:50,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-11-29 19:56:51,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1804. [2020-11-29 19:56:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2020-11-29 19:56:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2698 transitions. [2020-11-29 19:56:51,046 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2698 transitions. Word has length 213 [2020-11-29 19:56:51,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:51,047 INFO L481 AbstractCegarLoop]: Abstraction has 1804 states and 2698 transitions. [2020-11-29 19:56:51,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2698 transitions. [2020-11-29 19:56:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-29 19:56:51,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:51,055 INFO L422 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, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 19:56:51,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 19:56:51,055 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:51,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:51,056 INFO L82 PathProgramCache]: Analyzing trace with hash -344869126, now seen corresponding path program 1 times [2020-11-29 19:56:51,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:51,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180969548] [2020-11-29 19:56:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-29 19:56:51,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180969548] [2020-11-29 19:56:51,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028575448] [2020-11-29 19:56:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:56:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:51,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:56:51,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:56:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-29 19:56:51,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:56:51,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:56:51,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228683947] [2020-11-29 19:56:51,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:56:51,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:51,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:56:51,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:56:51,504 INFO L87 Difference]: Start difference. First operand 1804 states and 2698 transitions. Second operand 4 states. [2020-11-29 19:56:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:52,113 INFO L93 Difference]: Finished difference Result 4265 states and 6329 transitions. [2020-11-29 19:56:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:56:52,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2020-11-29 19:56:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:52,129 INFO L225 Difference]: With dead ends: 4265 [2020-11-29 19:56:52,130 INFO L226 Difference]: Without dead ends: 2436 [2020-11-29 19:56:52,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:56:52,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2020-11-29 19:56:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1604. [2020-11-29 19:56:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2020-11-29 19:56:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2362 transitions. [2020-11-29 19:56:52,248 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2362 transitions. Word has length 232 [2020-11-29 19:56:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:52,249 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2362 transitions. [2020-11-29 19:56:52,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:56:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2362 transitions. [2020-11-29 19:56:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-29 19:56:52,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:52,255 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 19:56:52,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-11-29 19:56:52,475 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:52,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1731638989, now seen corresponding path program 1 times [2020-11-29 19:56:52,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:52,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481105006] [2020-11-29 19:56:52,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-11-29 19:56:52,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481105006] [2020-11-29 19:56:52,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:52,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:52,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273453716] [2020-11-29 19:56:52,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:52,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:52,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:52,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:52,583 INFO L87 Difference]: Start difference. First operand 1604 states and 2362 transitions. Second operand 3 states. [2020-11-29 19:56:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:52,857 INFO L93 Difference]: Finished difference Result 3395 states and 5017 transitions. [2020-11-29 19:56:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:52,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-11-29 19:56:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:52,868 INFO L225 Difference]: With dead ends: 3395 [2020-11-29 19:56:52,868 INFO L226 Difference]: Without dead ends: 1679 [2020-11-29 19:56:52,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:52,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-11-29 19:56:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1679. [2020-11-29 19:56:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-11-29 19:56:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2427 transitions. [2020-11-29 19:56:52,962 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2427 transitions. Word has length 241 [2020-11-29 19:56:52,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:52,962 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2427 transitions. [2020-11-29 19:56:52,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2427 transitions. [2020-11-29 19:56:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-11-29 19:56:52,968 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:52,969 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 19:56:52,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-29 19:56:52,969 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:52,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:52,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1272517136, now seen corresponding path program 1 times [2020-11-29 19:56:52,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:52,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508334799] [2020-11-29 19:56:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 19:56:53,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508334799] [2020-11-29 19:56:53,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266774837] [2020-11-29 19:56:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:56:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:53,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:56:53,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:56:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 19:56:53,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:56:53,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:56:53,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666760052] [2020-11-29 19:56:53,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:56:53,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:53,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:56:53,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:56:53,386 INFO L87 Difference]: Start difference. First operand 1679 states and 2427 transitions. Second operand 4 states. [2020-11-29 19:56:54,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:54,057 INFO L93 Difference]: Finished difference Result 5320 states and 7733 transitions. [2020-11-29 19:56:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:56:54,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2020-11-29 19:56:54,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:54,079 INFO L225 Difference]: With dead ends: 5320 [2020-11-29 19:56:54,079 INFO L226 Difference]: Without dead ends: 3649 [2020-11-29 19:56:54,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:56:54,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2020-11-29 19:56:54,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 2004. [2020-11-29 19:56:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2020-11-29 19:56:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2729 transitions. [2020-11-29 19:56:54,201 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2729 transitions. Word has length 253 [2020-11-29 19:56:54,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:54,201 INFO L481 AbstractCegarLoop]: Abstraction has 2004 states and 2729 transitions. [2020-11-29 19:56:54,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:56:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2729 transitions. [2020-11-29 19:56:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-11-29 19:56:54,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:54,208 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 19:56:54,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-11-29 19:56:54,423 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:54,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:54,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1561336526, now seen corresponding path program 1 times [2020-11-29 19:56:54,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:54,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988125459] [2020-11-29 19:56:54,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-11-29 19:56:54,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988125459] [2020-11-29 19:56:54,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:54,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:54,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506056465] [2020-11-29 19:56:54,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:54,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:54,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:54,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:54,567 INFO L87 Difference]: Start difference. First operand 2004 states and 2729 transitions. Second operand 3 states. [2020-11-29 19:56:54,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:54,718 INFO L93 Difference]: Finished difference Result 5742 states and 7864 transitions. [2020-11-29 19:56:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:54,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-11-29 19:56:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:54,743 INFO L225 Difference]: With dead ends: 5742 [2020-11-29 19:56:54,743 INFO L226 Difference]: Without dead ends: 3746 [2020-11-29 19:56:54,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:54,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2020-11-29 19:56:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3744. [2020-11-29 19:56:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-11-29 19:56:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5134 transitions. [2020-11-29 19:56:54,930 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5134 transitions. Word has length 253 [2020-11-29 19:56:54,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:54,931 INFO L481 AbstractCegarLoop]: Abstraction has 3744 states and 5134 transitions. [2020-11-29 19:56:54,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5134 transitions. [2020-11-29 19:56:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-11-29 19:56:54,941 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:54,942 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 19:56:54,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 19:56:54,942 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:54,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:54,943 INFO L82 PathProgramCache]: Analyzing trace with hash -914284920, now seen corresponding path program 1 times [2020-11-29 19:56:54,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:54,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904026121] [2020-11-29 19:56:54,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-29 19:56:55,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904026121] [2020-11-29 19:56:55,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:55,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:55,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311304525] [2020-11-29 19:56:55,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:55,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:55,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:55,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:55,080 INFO L87 Difference]: Start difference. First operand 3744 states and 5134 transitions. Second operand 3 states. [2020-11-29 19:56:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:55,475 INFO L93 Difference]: Finished difference Result 7698 states and 10554 transitions. [2020-11-29 19:56:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:55,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-11-29 19:56:55,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:55,490 INFO L225 Difference]: With dead ends: 7698 [2020-11-29 19:56:55,490 INFO L226 Difference]: Without dead ends: 3962 [2020-11-29 19:56:55,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:55,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2020-11-29 19:56:55,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3744. [2020-11-29 19:56:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-11-29 19:56:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5030 transitions. [2020-11-29 19:56:55,690 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5030 transitions. Word has length 256 [2020-11-29 19:56:55,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:55,691 INFO L481 AbstractCegarLoop]: Abstraction has 3744 states and 5030 transitions. [2020-11-29 19:56:55,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5030 transitions. [2020-11-29 19:56:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-29 19:56:55,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:55,702 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:55,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-29 19:56:55,702 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:55,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:55,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1357789354, now seen corresponding path program 1 times [2020-11-29 19:56:55,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:55,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101666800] [2020-11-29 19:56:55,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-11-29 19:56:55,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101666800] [2020-11-29 19:56:55,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:55,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:55,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755390849] [2020-11-29 19:56:55,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:55,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:55,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:55,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:55,865 INFO L87 Difference]: Start difference. First operand 3744 states and 5030 transitions. Second operand 3 states. [2020-11-29 19:56:56,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:56,188 INFO L93 Difference]: Finished difference Result 7612 states and 10230 transitions. [2020-11-29 19:56:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:56,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-11-29 19:56:56,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:56,203 INFO L225 Difference]: With dead ends: 7612 [2020-11-29 19:56:56,203 INFO L226 Difference]: Without dead ends: 3876 [2020-11-29 19:56:56,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:56,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2020-11-29 19:56:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3836. [2020-11-29 19:56:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3836 states. [2020-11-29 19:56:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5142 transitions. [2020-11-29 19:56:56,400 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5142 transitions. Word has length 290 [2020-11-29 19:56:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:56,400 INFO L481 AbstractCegarLoop]: Abstraction has 3836 states and 5142 transitions. [2020-11-29 19:56:56,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:56,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5142 transitions. [2020-11-29 19:56:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-11-29 19:56:56,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:56,414 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:56,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 19:56:56,415 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:56,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:56,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1702375352, now seen corresponding path program 1 times [2020-11-29 19:56:56,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:56,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371175422] [2020-11-29 19:56:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2020-11-29 19:56:56,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371175422] [2020-11-29 19:56:56,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:56,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:56,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934361278] [2020-11-29 19:56:56,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:56,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:56,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:56,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:56,601 INFO L87 Difference]: Start difference. First operand 3836 states and 5142 transitions. Second operand 3 states. [2020-11-29 19:56:57,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:57,002 INFO L93 Difference]: Finished difference Result 8044 states and 10852 transitions. [2020-11-29 19:56:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:57,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-11-29 19:56:57,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:57,015 INFO L225 Difference]: With dead ends: 8044 [2020-11-29 19:56:57,016 INFO L226 Difference]: Without dead ends: 4216 [2020-11-29 19:56:57,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:57,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2020-11-29 19:56:57,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4086. [2020-11-29 19:56:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4086 states. [2020-11-29 19:56:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 4086 states and 5442 transitions. [2020-11-29 19:56:57,210 INFO L78 Accepts]: Start accepts. Automaton has 4086 states and 5442 transitions. Word has length 311 [2020-11-29 19:56:57,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:57,210 INFO L481 AbstractCegarLoop]: Abstraction has 4086 states and 5442 transitions. [2020-11-29 19:56:57,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 5442 transitions. [2020-11-29 19:56:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-11-29 19:56:57,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:57,223 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1] [2020-11-29 19:56:57,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 19:56:57,223 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:57,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:57,224 INFO L82 PathProgramCache]: Analyzing trace with hash 602793911, now seen corresponding path program 1 times [2020-11-29 19:56:57,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:57,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751940290] [2020-11-29 19:56:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-11-29 19:56:57,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751940290] [2020-11-29 19:56:57,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:57,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:57,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525256958] [2020-11-29 19:56:57,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:57,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:57,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:57,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:57,384 INFO L87 Difference]: Start difference. First operand 4086 states and 5442 transitions. Second operand 3 states. [2020-11-29 19:56:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:57,652 INFO L93 Difference]: Finished difference Result 6855 states and 9019 transitions. [2020-11-29 19:56:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:57,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2020-11-29 19:56:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:57,658 INFO L225 Difference]: With dead ends: 6855 [2020-11-29 19:56:57,658 INFO L226 Difference]: Without dead ends: 2133 [2020-11-29 19:56:57,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2020-11-29 19:56:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2133. [2020-11-29 19:56:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-11-29 19:56:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2774 transitions. [2020-11-29 19:56:57,749 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2774 transitions. Word has length 321 [2020-11-29 19:56:57,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:57,749 INFO L481 AbstractCegarLoop]: Abstraction has 2133 states and 2774 transitions. [2020-11-29 19:56:57,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2774 transitions. [2020-11-29 19:56:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-11-29 19:56:57,757 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:57,758 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:57,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-29 19:56:57,758 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:57,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:57,759 INFO L82 PathProgramCache]: Analyzing trace with hash -616309997, now seen corresponding path program 1 times [2020-11-29 19:56:57,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:57,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919882963] [2020-11-29 19:56:57,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2020-11-29 19:56:57,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919882963] [2020-11-29 19:56:57,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:57,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:57,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578295194] [2020-11-29 19:56:57,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:57,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:57,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:57,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:57,913 INFO L87 Difference]: Start difference. First operand 2133 states and 2774 transitions. Second operand 3 states. [2020-11-29 19:56:58,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:58,192 INFO L93 Difference]: Finished difference Result 4298 states and 5601 transitions. [2020-11-29 19:56:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:58,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-11-29 19:56:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:58,198 INFO L225 Difference]: With dead ends: 4298 [2020-11-29 19:56:58,199 INFO L226 Difference]: Without dead ends: 2173 [2020-11-29 19:56:58,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:58,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2020-11-29 19:56:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2133. [2020-11-29 19:56:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-11-29 19:56:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2734 transitions. [2020-11-29 19:56:58,288 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2734 transitions. Word has length 337 [2020-11-29 19:56:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:58,288 INFO L481 AbstractCegarLoop]: Abstraction has 2133 states and 2734 transitions. [2020-11-29 19:56:58,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2734 transitions. [2020-11-29 19:56:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-11-29 19:56:58,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:58,298 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:58,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-29 19:56:58,298 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:58,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:58,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1063549815, now seen corresponding path program 1 times [2020-11-29 19:56:58,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:58,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361039954] [2020-11-29 19:56:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-11-29 19:56:58,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361039954] [2020-11-29 19:56:58,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:56:58,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:56:58,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250639933] [2020-11-29 19:56:58,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:58,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:58,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:58,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:58,455 INFO L87 Difference]: Start difference. First operand 2133 states and 2734 transitions. Second operand 3 states. [2020-11-29 19:56:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:58,698 INFO L93 Difference]: Finished difference Result 4268 states and 5466 transitions. [2020-11-29 19:56:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:58,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-11-29 19:56:58,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:58,703 INFO L225 Difference]: With dead ends: 4268 [2020-11-29 19:56:58,703 INFO L226 Difference]: Without dead ends: 2143 [2020-11-29 19:56:58,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:56:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2020-11-29 19:56:58,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2133. [2020-11-29 19:56:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-11-29 19:56:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2694 transitions. [2020-11-29 19:56:58,781 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2694 transitions. Word has length 360 [2020-11-29 19:56:58,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:58,782 INFO L481 AbstractCegarLoop]: Abstraction has 2133 states and 2694 transitions. [2020-11-29 19:56:58,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2694 transitions. [2020-11-29 19:56:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-11-29 19:56:58,792 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:58,793 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 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, 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] [2020-11-29 19:56:58,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-29 19:56:58,793 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:58,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:58,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2107174257, now seen corresponding path program 1 times [2020-11-29 19:56:58,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:58,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748666301] [2020-11-29 19:56:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-11-29 19:56:58,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748666301] [2020-11-29 19:56:58,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944293010] [2020-11-29 19:56:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:56:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:56:59,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:56:59,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:56:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2020-11-29 19:56:59,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:56:59,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 19:56:59,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956933459] [2020-11-29 19:56:59,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:56:59,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:56:59,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:56:59,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:56:59,405 INFO L87 Difference]: Start difference. First operand 2133 states and 2694 transitions. Second operand 3 states. [2020-11-29 19:56:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:56:59,492 INFO L93 Difference]: Finished difference Result 2711 states and 3448 transitions. [2020-11-29 19:56:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:56:59,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-11-29 19:56:59,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:56:59,499 INFO L225 Difference]: With dead ends: 2711 [2020-11-29 19:56:59,500 INFO L226 Difference]: Without dead ends: 2573 [2020-11-29 19:56:59,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:56:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2020-11-29 19:56:59,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1997. [2020-11-29 19:56:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1997 states. [2020-11-29 19:56:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2540 transitions. [2020-11-29 19:56:59,598 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2540 transitions. Word has length 393 [2020-11-29 19:56:59,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:56:59,599 INFO L481 AbstractCegarLoop]: Abstraction has 1997 states and 2540 transitions. [2020-11-29 19:56:59,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:56:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2540 transitions. [2020-11-29 19:56:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-11-29 19:56:59,610 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:56:59,610 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:56:59,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:56:59,839 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:56:59,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:56:59,840 INFO L82 PathProgramCache]: Analyzing trace with hash 2021892229, now seen corresponding path program 1 times [2020-11-29 19:56:59,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:56:59,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146205443] [2020-11-29 19:56:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:56:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2020-11-29 19:57:00,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146205443] [2020-11-29 19:57:00,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653131821] [2020-11-29 19:57:00,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:57:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:00,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:57:00,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:57:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2020-11-29 19:57:00,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:57:00,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:57:00,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115656105] [2020-11-29 19:57:00,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:57:00,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:00,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:57:00,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:57:00,410 INFO L87 Difference]: Start difference. First operand 1997 states and 2540 transitions. Second operand 4 states. [2020-11-29 19:57:00,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:00,965 INFO L93 Difference]: Finished difference Result 5016 states and 6404 transitions. [2020-11-29 19:57:00,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:57:00,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 409 [2020-11-29 19:57:00,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:00,972 INFO L225 Difference]: With dead ends: 5016 [2020-11-29 19:57:00,972 INFO L226 Difference]: Without dead ends: 2985 [2020-11-29 19:57:00,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:57:00,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2020-11-29 19:57:01,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2157. [2020-11-29 19:57:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-11-29 19:57:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2760 transitions. [2020-11-29 19:57:01,064 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2760 transitions. Word has length 409 [2020-11-29 19:57:01,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:01,065 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 2760 transitions. [2020-11-29 19:57:01,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:57:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2760 transitions. [2020-11-29 19:57:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2020-11-29 19:57:01,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:01,079 INFO L422 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] [2020-11-29 19:57:01,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:57:01,307 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1865506571, now seen corresponding path program 1 times [2020-11-29 19:57:01,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:01,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657772405] [2020-11-29 19:57:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2020-11-29 19:57:01,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657772405] [2020-11-29 19:57:01,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:01,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:01,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062824730] [2020-11-29 19:57:01,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:01,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:01,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:01,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:01,568 INFO L87 Difference]: Start difference. First operand 2157 states and 2760 transitions. Second operand 3 states. [2020-11-29 19:57:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:01,856 INFO L93 Difference]: Finished difference Result 4486 states and 5763 transitions. [2020-11-29 19:57:01,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:01,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2020-11-29 19:57:01,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:01,862 INFO L225 Difference]: With dead ends: 4486 [2020-11-29 19:57:01,862 INFO L226 Difference]: Without dead ends: 2337 [2020-11-29 19:57:01,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:01,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2020-11-29 19:57:01,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2327. [2020-11-29 19:57:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2327 states. [2020-11-29 19:57:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 2955 transitions. [2020-11-29 19:57:01,951 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 2955 transitions. Word has length 471 [2020-11-29 19:57:01,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:01,952 INFO L481 AbstractCegarLoop]: Abstraction has 2327 states and 2955 transitions. [2020-11-29 19:57:01,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2955 transitions. [2020-11-29 19:57:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-29 19:57:01,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:01,960 INFO L422 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] [2020-11-29 19:57:01,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-11-29 19:57:01,960 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:01,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:01,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1625661125, now seen corresponding path program 1 times [2020-11-29 19:57:01,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:01,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659134652] [2020-11-29 19:57:01,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2020-11-29 19:57:02,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659134652] [2020-11-29 19:57:02,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:02,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:02,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999410681] [2020-11-29 19:57:02,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:02,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:02,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:02,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:02,271 INFO L87 Difference]: Start difference. First operand 2327 states and 2955 transitions. Second operand 3 states. [2020-11-29 19:57:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:02,557 INFO L93 Difference]: Finished difference Result 4641 states and 5888 transitions. [2020-11-29 19:57:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:02,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 533 [2020-11-29 19:57:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:02,563 INFO L225 Difference]: With dead ends: 4641 [2020-11-29 19:57:02,563 INFO L226 Difference]: Without dead ends: 2322 [2020-11-29 19:57:02,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:02,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2020-11-29 19:57:02,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2322. [2020-11-29 19:57:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-11-29 19:57:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2885 transitions. [2020-11-29 19:57:02,648 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2885 transitions. Word has length 533 [2020-11-29 19:57:02,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:02,649 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 2885 transitions. [2020-11-29 19:57:02,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2885 transitions. [2020-11-29 19:57:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-11-29 19:57:02,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:02,658 INFO L422 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] [2020-11-29 19:57:02,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-11-29 19:57:02,658 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:02,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1600887189, now seen corresponding path program 1 times [2020-11-29 19:57:02,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:02,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019145776] [2020-11-29 19:57:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-11-29 19:57:03,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019145776] [2020-11-29 19:57:03,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304215] [2020-11-29 19:57:03,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:57:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:03,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:57:03,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:57:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-11-29 19:57:03,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:57:03,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:57:03,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519639036] [2020-11-29 19:57:03,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:57:03,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:03,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:57:03,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:57:03,513 INFO L87 Difference]: Start difference. First operand 2322 states and 2885 transitions. Second operand 4 states. [2020-11-29 19:57:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:03,838 INFO L93 Difference]: Finished difference Result 3917 states and 4895 transitions. [2020-11-29 19:57:03,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:57:03,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 599 [2020-11-29 19:57:03,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:03,840 INFO L225 Difference]: With dead ends: 3917 [2020-11-29 19:57:03,840 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:57:03,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:57:03,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:57:03,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:57:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:57:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:57:03,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2020-11-29 19:57:03,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:03,846 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:57:03,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:57:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:57:03,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:57:04,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2020-11-29 19:57:04,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:57:05,161 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 208 [2020-11-29 19:57:06,178 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 208 [2020-11-29 19:57:07,069 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-11-29 19:57:07,468 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-11-29 19:57:07,793 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-11-29 19:57:08,390 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-11-29 19:57:11,369 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 172 DAG size of output: 106 [2020-11-29 19:57:11,898 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-11-29 19:57:12,260 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2020-11-29 19:57:12,529 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-11-29 19:57:12,841 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-11-29 19:57:13,205 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-11-29 19:57:15,729 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 172 DAG size of output: 106 [2020-11-29 19:57:16,056 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-11-29 19:57:16,492 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 42 [2020-11-29 19:57:16,801 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2020-11-29 19:57:17,111 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-11-29 19:57:17,441 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-11-29 19:57:17,752 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-11-29 19:57:18,042 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-11-29 19:57:18,217 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2020-11-29 19:57:18,764 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-11-29 19:57:18,967 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 19 [2020-11-29 19:57:18,970 INFO L274 CegarLoopResult]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-11-29 19:57:18,970 INFO L274 CegarLoopResult]: For program point L531-1(lines 531 537) no Hoare annotation was computed. [2020-11-29 19:57:18,970 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:57:18,970 INFO L274 CegarLoopResult]: For program point L334(lines 334 368) no Hoare annotation was computed. [2020-11-29 19:57:18,970 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 368) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L202(lines 202 547) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L169(lines 169 558) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L136(lines 136 569) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L103(lines 103 580) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L467(lines 467 469) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-29 19:57:18,971 INFO L274 CegarLoopResult]: For program point L335(lines 335 365) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L270 CegarLoopResult]: At program point L203(lines 199 548) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1))) [2020-11-29 19:57:18,972 INFO L270 CegarLoopResult]: At program point L104(lines 103 580) the Hoare annotation is: false [2020-11-29 19:57:18,972 INFO L277 CegarLoopResult]: At program point L600(lines 99 601) the Hoare annotation is: true [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L534(lines 534 536) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L205(lines 205 546) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L172(lines 172 557) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L139(lines 139 568) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L106(lines 106 579) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L305(lines 305 312) no Hoare annotation was computed. [2020-11-29 19:57:18,972 INFO L274 CegarLoopResult]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2020-11-29 19:57:18,973 INFO L270 CegarLoopResult]: At program point L206(lines 205 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-29 19:57:18,973 INFO L270 CegarLoopResult]: At program point L173(lines 169 558) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2 .cse5 .cse6 .cse7 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:18,973 INFO L270 CegarLoopResult]: At program point L140(lines 136 569) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-11-29 19:57:18,973 INFO L274 CegarLoopResult]: For program point L340(lines 340 363) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L270 CegarLoopResult]: At program point L208(lines 207 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L175(lines 175 556) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L142(lines 142 567) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L109(lines 109 578) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L605(lines 605 607) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 607) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L506(lines 506 509) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L275(lines 275 277) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L275-2(lines 209 543) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L441(lines 441 443) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L309(lines 309 311) no Hoare annotation was computed. [2020-11-29 19:57:18,974 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L244(lines 244 254) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L178(lines 178 555) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L145(lines 145 566) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L112(lines 112 577) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L476(lines 476 478) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L377(lines 377 409) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L274 CegarLoopResult]: For program point L245(lines 245 248) no Hoare annotation was computed. [2020-11-29 19:57:18,975 INFO L270 CegarLoopResult]: At program point L212(lines 106 579) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-11-29 19:57:18,976 INFO L270 CegarLoopResult]: At program point L179(lines 175 556) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2 .cse5 .cse6 .cse7 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:18,976 INFO L270 CegarLoopResult]: At program point L146(lines 142 567) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:18,976 INFO L274 CegarLoopResult]: For program point L444(lines 444 453) no Hoare annotation was computed. [2020-11-29 19:57:18,976 INFO L274 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-11-29 19:57:18,976 INFO L277 CegarLoopResult]: At program point L610(lines 12 612) the Hoare annotation is: true [2020-11-29 19:57:18,977 INFO L270 CegarLoopResult]: At program point L544(lines 100 599) the Hoare annotation is: (let ((.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse26 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse23 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse25 (not .cse4)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse21 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not .cse26)) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse14 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not .cse22)) (.cse17 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse5) (and .cse0 .cse4 .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse9 .cse20) (and .cse0 .cse9 .cse6) (and .cse21 .cse22) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse6 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse23 .cse18 .cse24 .cse25) (and .cse21 .cse26) (and .cse23 .cse20) (and .cse9 .cse18 .cse24) (and .cse7 .cse8 .cse9 .cse17 .cse10 .cse12 .cse6 .cse14 .cse19) (and .cse27 .cse23 .cse14 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25) (and .cse0 .cse13 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse27 .cse4 .cse14) (and .cse2 .cse9 .cse28 .cse4 .cse24) (and .cse0 .cse2 .cse28 .cse24 .cse29 .cse5) (and .cse1 .cse2 .cse3 .cse25) (and .cse4 .cse26 .cse5) (and .cse0 .cse30 .cse4 .cse5) (and .cse21 .cse2 .cse28 .cse24) (and .cse5 .cse20) (and .cse0 .cse21 .cse6) (and .cse2 .cse28 .cse24 .cse29 .cse5 .cse25) (and .cse21 .cse20) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse4 .cse5) (and .cse4 .cse22 .cse5) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19)))) [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L181(lines 181 554) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L148(lines 148 565) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L115(lines 115 576) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L479-2(lines 479 483) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L514(lines 514 516) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L217(lines 217 219) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L184(lines 184 553) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L151(lines 151 564) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L118(lines 118 575) no Hoare annotation was computed. [2020-11-29 19:57:18,977 INFO L274 CegarLoopResult]: For program point L581(lines 581 597) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L270 CegarLoopResult]: At program point L515(lines 73 611) the Hoare annotation is: false [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L270 CegarLoopResult]: At program point L185(lines 181 554) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0))) [2020-11-29 19:57:18,978 INFO L270 CegarLoopResult]: At program point L152(lines 148 565) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L86(lines 86 88) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L582(lines 582 596) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L351(lines 351 359) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L583(lines 583 588) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L517(lines 517 519) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L583-2(lines 582 596) no Hoare annotation was computed. [2020-11-29 19:57:18,978 INFO L270 CegarLoopResult]: At program point L352(lines 328 370) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:18,978 INFO L274 CegarLoopResult]: For program point L187(lines 187 552) no Hoare annotation was computed. [2020-11-29 19:57:18,979 INFO L274 CegarLoopResult]: For program point L154(lines 154 563) no Hoare annotation was computed. [2020-11-29 19:57:18,979 INFO L274 CegarLoopResult]: For program point L121(lines 121 574) no Hoare annotation was computed. [2020-11-29 19:57:18,979 INFO L274 CegarLoopResult]: For program point L419(lines 419 421) no Hoare annotation was computed. [2020-11-29 19:57:18,979 INFO L270 CegarLoopResult]: At program point L386(lines 377 409) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-29 19:57:18,983 INFO L270 CegarLoopResult]: At program point L122(lines 118 575) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 .cse0 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse0 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-11-29 19:57:18,983 INFO L274 CegarLoopResult]: For program point L585(lines 585 587) no Hoare annotation was computed. [2020-11-29 19:57:18,983 INFO L274 CegarLoopResult]: For program point L354(lines 354 356) no Hoare annotation was computed. [2020-11-29 19:57:18,995 INFO L274 CegarLoopResult]: For program point L288(lines 288 290) no Hoare annotation was computed. [2020-11-29 19:57:18,995 INFO L274 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-11-29 19:57:18,995 INFO L274 CegarLoopResult]: For program point L288-2(lines 209 543) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point L322(lines 322 326) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point L322-2(lines 209 543) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point L190(lines 190 551) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point L157(lines 157 562) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point L124(lines 124 573) no Hoare annotation was computed. [2020-11-29 19:57:18,996 INFO L274 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-11-29 19:57:18,997 INFO L274 CegarLoopResult]: For program point L91-1(lines 73 611) no Hoare annotation was computed. [2020-11-29 19:57:18,997 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-11-29 19:57:18,997 INFO L274 CegarLoopResult]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2020-11-29 19:57:18,997 INFO L274 CegarLoopResult]: For program point L389(lines 389 407) no Hoare annotation was computed. [2020-11-29 19:57:18,997 INFO L270 CegarLoopResult]: At program point L191(lines 187 552) the Hoare annotation is: (let ((.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-11-29 19:57:18,998 INFO L270 CegarLoopResult]: At program point L158(lines 154 563) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-29 19:57:18,998 INFO L270 CegarLoopResult]: At program point L125(lines 124 573) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:18,998 INFO L274 CegarLoopResult]: For program point L92(lines 92 94) no Hoare annotation was computed. [2020-11-29 19:57:18,998 INFO L274 CegarLoopResult]: For program point L489(lines 489 492) no Hoare annotation was computed. [2020-11-29 19:57:18,999 INFO L274 CegarLoopResult]: For program point L390(lines 390 396) no Hoare annotation was computed. [2020-11-29 19:57:18,999 INFO L277 CegarLoopResult]: At program point L622(lines 613 624) the Hoare annotation is: true [2020-11-29 19:57:18,999 INFO L274 CegarLoopResult]: For program point L193(lines 193 550) no Hoare annotation was computed. [2020-11-29 19:57:18,999 INFO L274 CegarLoopResult]: For program point L160(lines 160 561) no Hoare annotation was computed. [2020-11-29 19:57:18,999 INFO L274 CegarLoopResult]: For program point L127(lines 127 572) no Hoare annotation was computed. [2020-11-29 19:57:18,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:57:18,999 INFO L274 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-11-29 19:57:19,000 INFO L274 CegarLoopResult]: For program point L458(lines 458 460) no Hoare annotation was computed. [2020-11-29 19:57:19,000 INFO L274 CegarLoopResult]: For program point L260(lines 260 262) no Hoare annotation was computed. [2020-11-29 19:57:19,000 INFO L274 CegarLoopResult]: For program point L227(lines 227 238) no Hoare annotation was computed. [2020-11-29 19:57:19,000 INFO L274 CegarLoopResult]: For program point L227-2(lines 209 543) no Hoare annotation was computed. [2020-11-29 19:57:19,000 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-11-29 19:57:19,000 INFO L274 CegarLoopResult]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2020-11-29 19:57:19,001 INFO L274 CegarLoopResult]: For program point L427-1(lines 427 435) no Hoare annotation was computed. [2020-11-29 19:57:19,001 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-29 19:57:19,001 INFO L274 CegarLoopResult]: For program point L196(lines 196 549) no Hoare annotation was computed. [2020-11-29 19:57:19,001 INFO L274 CegarLoopResult]: For program point L163(lines 163 560) no Hoare annotation was computed. [2020-11-29 19:57:19,001 INFO L274 CegarLoopResult]: For program point L130(lines 130 571) no Hoare annotation was computed. [2020-11-29 19:57:19,001 INFO L274 CegarLoopResult]: For program point L494(lines 494 500) no Hoare annotation was computed. [2020-11-29 19:57:19,002 INFO L270 CegarLoopResult]: At program point L197(lines 193 550) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5)))) [2020-11-29 19:57:19,002 INFO L270 CegarLoopResult]: At program point L164(lines 160 561) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-29 19:57:19,002 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:57:19,002 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:57:19,002 INFO L274 CegarLoopResult]: For program point L430(lines 430 433) no Hoare annotation was computed. [2020-11-29 19:57:19,003 INFO L274 CegarLoopResult]: For program point L331(lines 331 369) no Hoare annotation was computed. [2020-11-29 19:57:19,003 INFO L274 CegarLoopResult]: For program point L199(lines 199 548) no Hoare annotation was computed. [2020-11-29 19:57:19,003 INFO L274 CegarLoopResult]: For program point L166(lines 166 559) no Hoare annotation was computed. [2020-11-29 19:57:19,003 INFO L274 CegarLoopResult]: For program point L133(lines 133 570) no Hoare annotation was computed. [2020-11-29 19:57:19,004 INFO L270 CegarLoopResult]: At program point L100-2(lines 100 599) the Hoare annotation is: (let ((.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse26 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse23 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse25 (not .cse4)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse21 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not .cse26)) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse14 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not .cse22)) (.cse17 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse5) (and .cse0 .cse4 .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse9 .cse20) (and .cse0 .cse9 .cse6) (and .cse21 .cse22) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse6 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse23 .cse18 .cse24 .cse25) (and .cse21 .cse26) (and .cse23 .cse20) (and .cse9 .cse18 .cse24) (and .cse7 .cse8 .cse9 .cse17 .cse10 .cse12 .cse6 .cse14 .cse19) (and .cse27 .cse23 .cse14 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25) (and .cse0 .cse13 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse27 .cse4 .cse14) (and .cse2 .cse9 .cse28 .cse4 .cse24) (and .cse0 .cse2 .cse28 .cse24 .cse29 .cse5) (and .cse1 .cse2 .cse3 .cse25) (and .cse4 .cse26 .cse5) (and .cse0 .cse30 .cse4 .cse5) (and .cse21 .cse2 .cse28 .cse24) (and .cse5 .cse20) (and .cse0 .cse21 .cse6) (and .cse2 .cse28 .cse24 .cse29 .cse5 .cse25) (and .cse21 .cse20) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse4 .cse5) (and .cse4 .cse22 .cse5) (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse21 .cse16 .cse17 .cse18 .cse19) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse30 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19)))) [2020-11-29 19:57:19,004 INFO L274 CegarLoopResult]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-11-29 19:57:19,004 INFO L274 CegarLoopResult]: For program point L497-2(lines 209 543) no Hoare annotation was computed. [2020-11-29 19:57:19,004 INFO L270 CegarLoopResult]: At program point L398(lines 389 407) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-29 19:57:19,004 INFO L274 CegarLoopResult]: For program point L233(lines 233 236) no Hoare annotation was computed. [2020-11-29 19:57:19,005 INFO L270 CegarLoopResult]: At program point L167(lines 166 559) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (not .cse2)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse2 .cse3))) [2020-11-29 19:57:19,005 INFO L270 CegarLoopResult]: At program point L134(lines 127 572) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-29 19:57:19,005 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:57:19,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:57:19 BoogieIcfgContainer [2020-11-29 19:57:19,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:57:19,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:57:19,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:57:19,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:57:19,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:56:43" (3/4) ... [2020-11-29 19:57:19,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:57:19,166 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:57:19,167 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:57:19,168 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:57:19,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:57:19,331 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6b833330-9ea1-4fe2-9433-f9ba317e4a59/bin/uautomizer/witness.graphml [2020-11-29 19:57:19,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:57:19,332 INFO L168 Benchmark]: Toolchain (without parser) took 38404.61 ms. Allocated memory was 107.0 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 79.3 MB in the beginning and 1.1 GB in the end (delta: -997.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,333 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:57:19,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.78 ms. Allocated memory was 107.0 MB in the beginning and 155.2 MB in the end (delta: 48.2 MB). Free memory was 79.0 MB in the beginning and 127.0 MB in the end (delta: -48.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 155.2 MB. Free memory was 127.0 MB in the beginning and 124.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,334 INFO L168 Benchmark]: Boogie Preprocessor took 95.36 ms. Allocated memory is still 155.2 MB. Free memory was 124.3 MB in the beginning and 122.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,334 INFO L168 Benchmark]: RCFGBuilder took 1315.47 ms. Allocated memory is still 155.2 MB. Free memory was 121.7 MB in the beginning and 70.8 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,335 INFO L168 Benchmark]: TraceAbstraction took 36095.74 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 971.0 MB). Free memory was 70.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 623.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,335 INFO L168 Benchmark]: Witness Printer took 201.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:19,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.78 ms. Allocated memory was 107.0 MB in the beginning and 155.2 MB in the end (delta: 48.2 MB). Free memory was 79.0 MB in the beginning and 127.0 MB in the end (delta: -48.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 155.2 MB. Free memory was 127.0 MB in the beginning and 124.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.36 ms. Allocated memory is still 155.2 MB. Free memory was 124.3 MB in the beginning and 122.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1315.47 ms. Allocated memory is still 155.2 MB. Free memory was 121.7 MB in the beginning and 70.8 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36095.74 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 971.0 MB). Free memory was 70.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 623.0 MB. Max. memory is 16.1 GB. * Witness Printer took 201.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state)) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((((((!(8496 == s__state) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8673) && blastFlag == 0) && s__state <= 8672) && 8640 <= s__state) && !(s__state == 8672)) || (((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8673)) && s__state <= 8672) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag)) || (((((!(s__state == 8673) && s__state <= 8672) && blastFlag == 1) && s__hit == 0) && 8640 <= s__state) && !(s__state == 8672))) || (((((!(s__state == 8673) && s__state <= 8672) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8672 <= s__state) || ((s__hit == 0 && s__state == 8512) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__hit == 0) && s__state <= 8576) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (blastFlag == 1 && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576)) || (blastFlag == 0 && s__state == 8544)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (blastFlag == 0 && 8560 == s__state)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8592) && s__hit == 0) && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || ((((s__state <= 8672 && blastFlag == 1) && !(s__state == 8657)) && s__hit == 0) && 8640 <= s__state)) || (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag)) || (((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) && !(s__hit == 0))) || ((s__hit == 0 && 8560 == s__state) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8608) && s__hit == 0) && 2 == blastFlag)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state)) || (2 == blastFlag && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0))) || (blastFlag == 0 && s__state <= 3)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((s__state == 8528 && s__hit == 0) && 2 == blastFlag)) || ((s__hit == 0 && s__state == 8544) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481)) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && !(8448 == s__state)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8448) && !(8448 == s__state))) || ((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && !(8448 == s__state)) && s__hit == 0) && 2 == blastFlag) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) && 2 == blastFlag) || (((((s__state <= 8672 && blastFlag == 1) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656))) || ((((((s__state <= 8672 && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) && 2 == blastFlag) && !(s__hit == 0))) || (((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && !(s__state == 8656)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8672 <= s__state) || ((s__hit == 0 && s__state == 8512) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__hit == 0) && s__state <= 8576) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (blastFlag == 1 && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576)) || (blastFlag == 0 && s__state == 8544)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (blastFlag == 0 && 8560 == s__state)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8592) && s__hit == 0) && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || ((((s__state <= 8672 && blastFlag == 1) && !(s__state == 8657)) && s__hit == 0) && 8640 <= s__state)) || (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag)) || (((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) && !(s__hit == 0))) || ((s__hit == 0 && 8560 == s__state) && 2 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state == 8608) && s__hit == 0) && 2 == blastFlag)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state)) || (2 == blastFlag && s__state <= 3)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(s__hit == 0))) || (blastFlag == 0 && s__state <= 3)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((s__state == 8528 && s__hit == 0) && 2 == blastFlag)) || ((s__hit == 0 && s__state == 8544) && 2 == blastFlag)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && 8448 <= s__state) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481))) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8608) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && !(s__state == 8481)) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__state <= 8640) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && s__hit == 0) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((((((!(8496 == s__state) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) && 2 == blastFlag) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8448 <= s__state)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8448) && 8448 <= s__state)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && s__s3__tmp__next_state___0 <= 8640) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((((((!(8496 == s__state) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__hit == 0) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && 8672 <= s__state) && !(12292 == s__state)) || (((blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state)) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && 8672 <= s__state) && !(12292 == s__state))) || ((blastFlag == 1 && 8672 <= s__state) && !(12292 == s__state)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && s__state == 8608) && s__hit == 0) && 2 == blastFlag) || (blastFlag == 0 && s__state == 8608)) || (blastFlag == 1 && s__state == 8608) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 35, TraceHistogramMax: 19, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6694 SDtfs, 4128 SDslu, 3183 SDs, 0 SdLazy, 3455 SolverSat, 958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1954 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4086occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 35 MinimizatonAttempts, 4500 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 241 NumberOfFragments, 3347 HoareAnnotationTreeSize, 28 FomulaSimplifications, 155193 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 28 FomulaSimplificationsInter, 30432 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 9249 NumberOfCodeBlocks, 9249 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 9209 ConstructedInterpolants, 0 QuantifiedInterpolants, 3966998 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3115 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 40 InterpolantComputations, 31 PerfectInterpolantSequences, 30536/30750 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...