./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.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_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/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 7e741634054dd50a048146b108e465f8b335e64a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:40:34,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:40:34,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:40:34,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:40:34,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:40:34,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:40:34,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:40:34,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:40:34,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:40:34,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:40:34,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:40:34,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:40:34,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:40:34,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:40:34,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:40:34,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:40:34,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:40:34,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:40:34,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:40:34,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:40:34,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:40:34,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:40:34,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:40:34,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:40:34,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:40:34,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:40:34,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:40:34,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:40:34,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:40:34,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:40:34,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:40:34,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:40:34,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:40:34,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:40:34,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:40:34,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:40:34,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:40:34,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:40:34,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:40:34,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:40:34,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:40:34,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:40:34,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:40:34,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:40:34,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:40:34,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:40:34,563 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:40:34,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:40:34,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:40:34,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:40:34,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:40:34,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:40:34,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:40:34,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:40:34,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:40:34,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:40:34,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:40:34,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:40:34,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:40:34,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:40:34,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:40:34,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:40:34,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:40:34,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:40:34,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:40:34,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:40:34,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:40:34,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:40:34,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:40:34,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:40:34,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:40:34,572 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_175f7b56-f504-43f7-a740-2d3bc9b51eda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e741634054dd50a048146b108e465f8b335e64a [2020-11-29 18:40:34,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:40:34,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:40:34,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:40:34,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:40:34,973 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:40:34,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2020-11-29 18:40:35,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/data/400f64677/d0e2cb25a2654b1a9c31093a67ef80f5/FLAG468269e17 [2020-11-29 18:40:35,785 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:40:35,786 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2020-11-29 18:40:35,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/data/400f64677/d0e2cb25a2654b1a9c31093a67ef80f5/FLAG468269e17 [2020-11-29 18:40:36,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/data/400f64677/d0e2cb25a2654b1a9c31093a67ef80f5 [2020-11-29 18:40:36,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:40:36,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:40:36,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:40:36,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:40:36,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:40:36,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e69b7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36, skipping insertion in model container [2020-11-29 18:40:36,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:40:36,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:40:36,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:40:36,488 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:40:36,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:40:36,585 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:40:36,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36 WrapperNode [2020-11-29 18:40:36,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:40:36,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:40:36,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:40:36,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:40:36,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:40:36,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:40:36,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:40:36,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:40:36,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... [2020-11-29 18:40:36,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:40:36,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:40:36,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:40:36,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:40:36,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/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 18:40:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:40:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:40:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:40:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:40:36,918 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 18:40:37,745 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-29 18:40:37,746 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-29 18:40:37,767 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:40:37,767 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:40:37,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:37 BoogieIcfgContainer [2020-11-29 18:40:37,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:40:37,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:40:37,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:40:37,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:40:37,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:40:36" (1/3) ... [2020-11-29 18:40:37,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4300f2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:40:37, skipping insertion in model container [2020-11-29 18:40:37,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:36" (2/3) ... [2020-11-29 18:40:37,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4300f2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:40:37, skipping insertion in model container [2020-11-29 18:40:37,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:37" (3/3) ... [2020-11-29 18:40:37,787 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2020-11-29 18:40:37,801 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:40:37,807 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:40:37,822 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:40:37,855 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:40:37,855 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:40:37,855 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:40:37,856 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:40:37,856 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:40:37,856 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:40:37,856 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:40:37,857 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:40:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-29 18:40:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:40:37,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:37,888 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] [2020-11-29 18:40:37,888 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:37,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:37,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2020-11-29 18:40:37,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:37,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340916036] [2020-11-29 18:40:37,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:38,134 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 18:40:38,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340916036] [2020-11-29 18:40:38,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:38,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:38,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160871927] [2020-11-29 18:40:38,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:38,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:38,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:38,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:38,162 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2020-11-29 18:40:38,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:38,515 INFO L93 Difference]: Finished difference Result 277 states and 473 transitions. [2020-11-29 18:40:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:38,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 18:40:38,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:38,550 INFO L225 Difference]: With dead ends: 277 [2020-11-29 18:40:38,555 INFO L226 Difference]: Without dead ends: 137 [2020-11-29 18:40:38,560 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 18:40:38,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-29 18:40:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2020-11-29 18:40:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-29 18:40:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 207 transitions. [2020-11-29 18:40:38,623 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 207 transitions. Word has length 24 [2020-11-29 18:40:38,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:38,624 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 207 transitions. [2020-11-29 18:40:38,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2020-11-29 18:40:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:40:38,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:38,626 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] [2020-11-29 18:40:38,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:40:38,627 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:38,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:38,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2051406291, now seen corresponding path program 1 times [2020-11-29 18:40:38,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:38,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932784427] [2020-11-29 18:40:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:38,752 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 18:40:38,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932784427] [2020-11-29 18:40:38,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:38,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:38,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735529020] [2020-11-29 18:40:38,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:38,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:38,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:38,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:38,757 INFO L87 Difference]: Start difference. First operand 132 states and 207 transitions. Second operand 3 states. [2020-11-29 18:40:39,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:39,067 INFO L93 Difference]: Finished difference Result 286 states and 452 transitions. [2020-11-29 18:40:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:39,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-29 18:40:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:39,072 INFO L225 Difference]: With dead ends: 286 [2020-11-29 18:40:39,072 INFO L226 Difference]: Without dead ends: 161 [2020-11-29 18:40:39,074 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 18:40:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-11-29 18:40:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 156. [2020-11-29 18:40:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-29 18:40:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 250 transitions. [2020-11-29 18:40:39,096 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 250 transitions. Word has length 25 [2020-11-29 18:40:39,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:39,097 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 250 transitions. [2020-11-29 18:40:39,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 250 transitions. [2020-11-29 18:40:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:40:39,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:39,100 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:39,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:40:39,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:39,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:39,102 INFO L82 PathProgramCache]: Analyzing trace with hash -707545866, now seen corresponding path program 1 times [2020-11-29 18:40:39,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:39,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359704478] [2020-11-29 18:40:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:39,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359704478] [2020-11-29 18:40:39,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:39,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:39,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469168152] [2020-11-29 18:40:39,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:39,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:39,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:39,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:39,243 INFO L87 Difference]: Start difference. First operand 156 states and 250 transitions. Second operand 3 states. [2020-11-29 18:40:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:39,495 INFO L93 Difference]: Finished difference Result 329 states and 531 transitions. [2020-11-29 18:40:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:39,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-29 18:40:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:39,498 INFO L225 Difference]: With dead ends: 329 [2020-11-29 18:40:39,498 INFO L226 Difference]: Without dead ends: 180 [2020-11-29 18:40:39,500 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 18:40:39,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-11-29 18:40:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-11-29 18:40:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-29 18:40:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 286 transitions. [2020-11-29 18:40:39,542 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 286 transitions. Word has length 44 [2020-11-29 18:40:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:39,543 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 286 transitions. [2020-11-29 18:40:39,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 286 transitions. [2020-11-29 18:40:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:40:39,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:39,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:39,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:40:39,547 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:39,548 INFO L82 PathProgramCache]: Analyzing trace with hash 273569771, now seen corresponding path program 1 times [2020-11-29 18:40:39,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:39,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141203739] [2020-11-29 18:40:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:39,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141203739] [2020-11-29 18:40:39,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:39,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:39,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759497631] [2020-11-29 18:40:39,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:39,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:39,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:39,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:39,649 INFO L87 Difference]: Start difference. First operand 177 states and 286 transitions. Second operand 3 states. [2020-11-29 18:40:39,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:39,895 INFO L93 Difference]: Finished difference Result 350 states and 565 transitions. [2020-11-29 18:40:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:39,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-29 18:40:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:39,898 INFO L225 Difference]: With dead ends: 350 [2020-11-29 18:40:39,898 INFO L226 Difference]: Without dead ends: 180 [2020-11-29 18:40:39,900 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 18:40:39,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-11-29 18:40:39,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-11-29 18:40:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-29 18:40:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 284 transitions. [2020-11-29 18:40:39,915 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 284 transitions. Word has length 45 [2020-11-29 18:40:39,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:39,916 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 284 transitions. [2020-11-29 18:40:39,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 284 transitions. [2020-11-29 18:40:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:40:39,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:39,938 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 18:40:39,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:40:39,939 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:39,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:39,940 INFO L82 PathProgramCache]: Analyzing trace with hash -347639860, now seen corresponding path program 1 times [2020-11-29 18:40:39,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:39,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551663765] [2020-11-29 18:40:39,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 18:40:40,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551663765] [2020-11-29 18:40:40,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:40,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:40,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181699230] [2020-11-29 18:40:40,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:40,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:40,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:40,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:40,056 INFO L87 Difference]: Start difference. First operand 177 states and 284 transitions. Second operand 3 states. [2020-11-29 18:40:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:40,287 INFO L93 Difference]: Finished difference Result 371 states and 598 transitions. [2020-11-29 18:40:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:40,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-29 18:40:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:40,291 INFO L225 Difference]: With dead ends: 371 [2020-11-29 18:40:40,291 INFO L226 Difference]: Without dead ends: 201 [2020-11-29 18:40:40,292 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 18:40:40,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-29 18:40:40,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-11-29 18:40:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-29 18:40:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 316 transitions. [2020-11-29 18:40:40,308 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 316 transitions. Word has length 60 [2020-11-29 18:40:40,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:40,308 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 316 transitions. [2020-11-29 18:40:40,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 316 transitions. [2020-11-29 18:40:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:40:40,311 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:40,311 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 18:40:40,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:40:40,312 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:40,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:40,313 INFO L82 PathProgramCache]: Analyzing trace with hash 59659617, now seen corresponding path program 1 times [2020-11-29 18:40:40,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:40,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239997043] [2020-11-29 18:40:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 18:40:40,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239997043] [2020-11-29 18:40:40,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:40,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:40,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78497977] [2020-11-29 18:40:40,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:40,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:40,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:40,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:40,405 INFO L87 Difference]: Start difference. First operand 197 states and 316 transitions. Second operand 3 states. [2020-11-29 18:40:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:40,670 INFO L93 Difference]: Finished difference Result 391 states and 627 transitions. [2020-11-29 18:40:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:40,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-29 18:40:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:40,673 INFO L225 Difference]: With dead ends: 391 [2020-11-29 18:40:40,673 INFO L226 Difference]: Without dead ends: 201 [2020-11-29 18:40:40,673 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 18:40:40,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-29 18:40:40,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-11-29 18:40:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-29 18:40:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 313 transitions. [2020-11-29 18:40:40,686 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 313 transitions. Word has length 61 [2020-11-29 18:40:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:40,686 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 313 transitions. [2020-11-29 18:40:40,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 313 transitions. [2020-11-29 18:40:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:40:40,688 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:40,688 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 18:40:40,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:40:40,689 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:40,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:40,690 INFO L82 PathProgramCache]: Analyzing trace with hash -450704854, now seen corresponding path program 1 times [2020-11-29 18:40:40,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:40,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511848254] [2020-11-29 18:40:40,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:40,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511848254] [2020-11-29 18:40:40,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:40,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:40,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733269747] [2020-11-29 18:40:40,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:40,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:40,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:40,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:40,788 INFO L87 Difference]: Start difference. First operand 197 states and 313 transitions. Second operand 3 states. [2020-11-29 18:40:41,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:41,109 INFO L93 Difference]: Finished difference Result 429 states and 687 transitions. [2020-11-29 18:40:41,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:41,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-11-29 18:40:41,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:41,112 INFO L225 Difference]: With dead ends: 429 [2020-11-29 18:40:41,112 INFO L226 Difference]: Without dead ends: 238 [2020-11-29 18:40:41,113 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 18:40:41,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-29 18:40:41,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-11-29 18:40:41,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-11-29 18:40:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 383 transitions. [2020-11-29 18:40:41,131 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 383 transitions. Word has length 62 [2020-11-29 18:40:41,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:41,132 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 383 transitions. [2020-11-29 18:40:41,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 383 transitions. [2020-11-29 18:40:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 18:40:41,135 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:41,135 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:41,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:40:41,136 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:41,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:41,137 INFO L82 PathProgramCache]: Analyzing trace with hash -798470239, now seen corresponding path program 1 times [2020-11-29 18:40:41,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:41,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953183935] [2020-11-29 18:40:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-29 18:40:41,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953183935] [2020-11-29 18:40:41,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:41,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:41,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436528054] [2020-11-29 18:40:41,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:41,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:41,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:41,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:41,222 INFO L87 Difference]: Start difference. First operand 238 states and 383 transitions. Second operand 3 states. [2020-11-29 18:40:41,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:41,437 INFO L93 Difference]: Finished difference Result 491 states and 793 transitions. [2020-11-29 18:40:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:41,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-11-29 18:40:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:41,440 INFO L225 Difference]: With dead ends: 491 [2020-11-29 18:40:41,440 INFO L226 Difference]: Without dead ends: 260 [2020-11-29 18:40:41,441 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 18:40:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-29 18:40:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255. [2020-11-29 18:40:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-11-29 18:40:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 408 transitions. [2020-11-29 18:40:41,459 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 408 transitions. Word has length 77 [2020-11-29 18:40:41,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:41,459 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 408 transitions. [2020-11-29 18:40:41,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 408 transitions. [2020-11-29 18:40:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 18:40:41,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:41,462 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:41,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:40:41,462 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:41,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:41,463 INFO L82 PathProgramCache]: Analyzing trace with hash -343124468, now seen corresponding path program 1 times [2020-11-29 18:40:41,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:41,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652034566] [2020-11-29 18:40:41,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-29 18:40:41,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652034566] [2020-11-29 18:40:41,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:41,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:41,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819707222] [2020-11-29 18:40:41,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:41,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:41,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:41,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:41,525 INFO L87 Difference]: Start difference. First operand 255 states and 408 transitions. Second operand 3 states. [2020-11-29 18:40:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:41,788 INFO L93 Difference]: Finished difference Result 508 states and 813 transitions. [2020-11-29 18:40:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:41,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-11-29 18:40:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:41,791 INFO L225 Difference]: With dead ends: 508 [2020-11-29 18:40:41,791 INFO L226 Difference]: Without dead ends: 260 [2020-11-29 18:40:41,792 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 18:40:41,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-29 18:40:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255. [2020-11-29 18:40:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-11-29 18:40:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 403 transitions. [2020-11-29 18:40:41,805 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 403 transitions. Word has length 78 [2020-11-29 18:40:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:41,806 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 403 transitions. [2020-11-29 18:40:41,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2020-11-29 18:40:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-29 18:40:41,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:41,808 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:41,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:40:41,808 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:41,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:41,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1438380680, now seen corresponding path program 1 times [2020-11-29 18:40:41,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:41,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752011160] [2020-11-29 18:40:41,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-29 18:40:41,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752011160] [2020-11-29 18:40:41,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:41,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:41,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168198867] [2020-11-29 18:40:41,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:41,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:41,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:41,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:41,882 INFO L87 Difference]: Start difference. First operand 255 states and 403 transitions. Second operand 3 states. [2020-11-29 18:40:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:42,103 INFO L93 Difference]: Finished difference Result 521 states and 825 transitions. [2020-11-29 18:40:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:42,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-29 18:40:42,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:42,106 INFO L225 Difference]: With dead ends: 521 [2020-11-29 18:40:42,106 INFO L226 Difference]: Without dead ends: 273 [2020-11-29 18:40:42,107 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 18:40:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-11-29 18:40:42,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2020-11-29 18:40:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-29 18:40:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 423 transitions. [2020-11-29 18:40:42,122 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 423 transitions. Word has length 91 [2020-11-29 18:40:42,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:42,122 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 423 transitions. [2020-11-29 18:40:42,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 423 transitions. [2020-11-29 18:40:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-29 18:40:42,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:42,124 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:42,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:40:42,124 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:42,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:42,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1467225085, now seen corresponding path program 1 times [2020-11-29 18:40:42,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:42,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362729715] [2020-11-29 18:40:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-29 18:40:42,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362729715] [2020-11-29 18:40:42,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:42,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:42,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214674767] [2020-11-29 18:40:42,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:42,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:42,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:42,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:42,183 INFO L87 Difference]: Start difference. First operand 270 states and 423 transitions. Second operand 3 states. [2020-11-29 18:40:42,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:42,403 INFO L93 Difference]: Finished difference Result 536 states and 839 transitions. [2020-11-29 18:40:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:42,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-29 18:40:42,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:42,406 INFO L225 Difference]: With dead ends: 536 [2020-11-29 18:40:42,406 INFO L226 Difference]: Without dead ends: 273 [2020-11-29 18:40:42,407 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 18:40:42,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-11-29 18:40:42,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2020-11-29 18:40:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-29 18:40:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 417 transitions. [2020-11-29 18:40:42,421 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 417 transitions. Word has length 92 [2020-11-29 18:40:42,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:42,421 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 417 transitions. [2020-11-29 18:40:42,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 417 transitions. [2020-11-29 18:40:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 18:40:42,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:42,423 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:42,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:40:42,423 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:42,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:42,424 INFO L82 PathProgramCache]: Analyzing trace with hash 65361595, now seen corresponding path program 1 times [2020-11-29 18:40:42,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:42,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347107286] [2020-11-29 18:40:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 18:40:42,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347107286] [2020-11-29 18:40:42,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:42,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:42,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065950666] [2020-11-29 18:40:42,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:42,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:42,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:42,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:42,534 INFO L87 Difference]: Start difference. First operand 270 states and 417 transitions. Second operand 3 states. [2020-11-29 18:40:42,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:42,800 INFO L93 Difference]: Finished difference Result 585 states and 911 transitions. [2020-11-29 18:40:42,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:42,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 18:40:42,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:42,804 INFO L225 Difference]: With dead ends: 585 [2020-11-29 18:40:42,804 INFO L226 Difference]: Without dead ends: 322 [2020-11-29 18:40:42,805 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 18:40:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-11-29 18:40:42,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 320. [2020-11-29 18:40:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-11-29 18:40:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 501 transitions. [2020-11-29 18:40:42,823 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 501 transitions. Word has length 98 [2020-11-29 18:40:42,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:42,824 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 501 transitions. [2020-11-29 18:40:42,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 501 transitions. [2020-11-29 18:40:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 18:40:42,825 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:42,826 INFO L422 BasicCegarLoop]: trace histogram [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, 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 18:40:42,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 18:40:42,826 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:42,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:42,827 INFO L82 PathProgramCache]: Analyzing trace with hash -629814544, now seen corresponding path program 1 times [2020-11-29 18:40:42,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:42,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764868991] [2020-11-29 18:40:42,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 18:40:42,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764868991] [2020-11-29 18:40:42,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:42,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:42,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851151724] [2020-11-29 18:40:42,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:42,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:42,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:42,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:42,904 INFO L87 Difference]: Start difference. First operand 320 states and 501 transitions. Second operand 3 states. [2020-11-29 18:40:43,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:43,182 INFO L93 Difference]: Finished difference Result 636 states and 995 transitions. [2020-11-29 18:40:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:43,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 18:40:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:43,186 INFO L225 Difference]: With dead ends: 636 [2020-11-29 18:40:43,186 INFO L226 Difference]: Without dead ends: 323 [2020-11-29 18:40:43,187 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 18:40:43,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-11-29 18:40:43,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2020-11-29 18:40:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-11-29 18:40:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 501 transitions. [2020-11-29 18:40:43,210 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 501 transitions. Word has length 99 [2020-11-29 18:40:43,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:43,220 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 501 transitions. [2020-11-29 18:40:43,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2020-11-29 18:40:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-29 18:40:43,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:43,222 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:43,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 18:40:43,222 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:43,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1976749000, now seen corresponding path program 1 times [2020-11-29 18:40:43,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:43,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428426248] [2020-11-29 18:40:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 18:40:43,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428426248] [2020-11-29 18:40:43,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:43,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:43,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820464755] [2020-11-29 18:40:43,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:43,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:43,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:43,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:43,320 INFO L87 Difference]: Start difference. First operand 321 states and 501 transitions. Second operand 3 states. [2020-11-29 18:40:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:43,388 INFO L93 Difference]: Finished difference Result 946 states and 1479 transitions. [2020-11-29 18:40:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:43,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-29 18:40:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:43,394 INFO L225 Difference]: With dead ends: 946 [2020-11-29 18:40:43,394 INFO L226 Difference]: Without dead ends: 632 [2020-11-29 18:40:43,396 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 18:40:43,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-11-29 18:40:43,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-11-29 18:40:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-11-29 18:40:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 983 transitions. [2020-11-29 18:40:43,431 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 983 transitions. Word has length 103 [2020-11-29 18:40:43,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:43,431 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 983 transitions. [2020-11-29 18:40:43,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 983 transitions. [2020-11-29 18:40:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-29 18:40:43,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:43,434 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:43,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 18:40:43,434 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:43,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:43,435 INFO L82 PathProgramCache]: Analyzing trace with hash -102965200, now seen corresponding path program 1 times [2020-11-29 18:40:43,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:43,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184950461] [2020-11-29 18:40:43,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 18:40:43,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184950461] [2020-11-29 18:40:43,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:43,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:43,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616615217] [2020-11-29 18:40:43,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:43,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:43,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:43,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:43,490 INFO L87 Difference]: Start difference. First operand 632 states and 983 transitions. Second operand 3 states. [2020-11-29 18:40:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:43,557 INFO L93 Difference]: Finished difference Result 1545 states and 2407 transitions. [2020-11-29 18:40:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:43,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-29 18:40:43,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:43,564 INFO L225 Difference]: With dead ends: 1545 [2020-11-29 18:40:43,564 INFO L226 Difference]: Without dead ends: 920 [2020-11-29 18:40:43,567 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 18:40:43,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-11-29 18:40:43,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-11-29 18:40:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-11-29 18:40:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1430 transitions. [2020-11-29 18:40:43,610 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1430 transitions. Word has length 104 [2020-11-29 18:40:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:43,612 INFO L481 AbstractCegarLoop]: Abstraction has 920 states and 1430 transitions. [2020-11-29 18:40:43,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1430 transitions. [2020-11-29 18:40:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-29 18:40:43,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:43,615 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:43,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 18:40:43,615 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:43,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:43,616 INFO L82 PathProgramCache]: Analyzing trace with hash 736068462, now seen corresponding path program 1 times [2020-11-29 18:40:43,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:43,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705902974] [2020-11-29 18:40:43,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-29 18:40:43,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705902974] [2020-11-29 18:40:43,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:43,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:43,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818504343] [2020-11-29 18:40:43,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:43,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:43,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:43,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:43,692 INFO L87 Difference]: Start difference. First operand 920 states and 1430 transitions. Second operand 3 states. [2020-11-29 18:40:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:43,774 INFO L93 Difference]: Finished difference Result 2126 states and 3307 transitions. [2020-11-29 18:40:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:43,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-29 18:40:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:43,785 INFO L225 Difference]: With dead ends: 2126 [2020-11-29 18:40:43,785 INFO L226 Difference]: Without dead ends: 1213 [2020-11-29 18:40:43,787 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 18:40:43,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-11-29 18:40:43,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2020-11-29 18:40:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-11-29 18:40:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1882 transitions. [2020-11-29 18:40:43,848 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1882 transitions. Word has length 104 [2020-11-29 18:40:43,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:43,849 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1882 transitions. [2020-11-29 18:40:43,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1882 transitions. [2020-11-29 18:40:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 18:40:43,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:43,852 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:43,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 18:40:43,853 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:43,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1108389378, now seen corresponding path program 1 times [2020-11-29 18:40:43,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:43,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016241027] [2020-11-29 18:40:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-29 18:40:43,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016241027] [2020-11-29 18:40:43,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:43,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:43,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93313007] [2020-11-29 18:40:43,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:43,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:43,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:43,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:43,914 INFO L87 Difference]: Start difference. First operand 1213 states and 1882 transitions. Second operand 3 states. [2020-11-29 18:40:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:44,000 INFO L93 Difference]: Finished difference Result 1527 states and 2372 transitions. [2020-11-29 18:40:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:44,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 18:40:44,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:44,012 INFO L225 Difference]: With dead ends: 1527 [2020-11-29 18:40:44,013 INFO L226 Difference]: Without dead ends: 1525 [2020-11-29 18:40:44,014 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 18:40:44,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2020-11-29 18:40:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1525. [2020-11-29 18:40:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2020-11-29 18:40:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2370 transitions. [2020-11-29 18:40:44,088 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2370 transitions. Word has length 105 [2020-11-29 18:40:44,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:44,088 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2370 transitions. [2020-11-29 18:40:44,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2370 transitions. [2020-11-29 18:40:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-29 18:40:44,094 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:44,095 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 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, 1, 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 18:40:44,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 18:40:44,095 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:44,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:44,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1421844536, now seen corresponding path program 1 times [2020-11-29 18:40:44,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:44,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791150707] [2020-11-29 18:40:44,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-29 18:40:44,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791150707] [2020-11-29 18:40:44,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:44,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:44,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081371255] [2020-11-29 18:40:44,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:44,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:44,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:44,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:44,206 INFO L87 Difference]: Start difference. First operand 1525 states and 2370 transitions. Second operand 3 states. [2020-11-29 18:40:44,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:44,528 INFO L93 Difference]: Finished difference Result 3046 states and 4721 transitions. [2020-11-29 18:40:44,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:44,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-11-29 18:40:44,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:44,539 INFO L225 Difference]: With dead ends: 3046 [2020-11-29 18:40:44,539 INFO L226 Difference]: Without dead ends: 1399 [2020-11-29 18:40:44,542 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 18:40:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-11-29 18:40:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1351. [2020-11-29 18:40:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-11-29 18:40:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1958 transitions. [2020-11-29 18:40:44,610 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1958 transitions. Word has length 165 [2020-11-29 18:40:44,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:44,611 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1958 transitions. [2020-11-29 18:40:44,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1958 transitions. [2020-11-29 18:40:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-29 18:40:44,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:44,631 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 8, 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, 1, 1, 1, 1, 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 18:40:44,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 18:40:44,631 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:44,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1914338519, now seen corresponding path program 1 times [2020-11-29 18:40:44,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:44,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204779592] [2020-11-29 18:40:44,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-29 18:40:44,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204779592] [2020-11-29 18:40:44,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:44,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:44,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559686216] [2020-11-29 18:40:44,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:44,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:44,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:44,741 INFO L87 Difference]: Start difference. First operand 1351 states and 1958 transitions. Second operand 3 states. [2020-11-29 18:40:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:45,049 INFO L93 Difference]: Finished difference Result 2442 states and 3531 transitions. [2020-11-29 18:40:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:45,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-29 18:40:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:45,059 INFO L225 Difference]: With dead ends: 2442 [2020-11-29 18:40:45,059 INFO L226 Difference]: Without dead ends: 1383 [2020-11-29 18:40:45,061 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 18:40:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-11-29 18:40:45,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1351. [2020-11-29 18:40:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-11-29 18:40:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1926 transitions. [2020-11-29 18:40:45,125 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1926 transitions. Word has length 166 [2020-11-29 18:40:45,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:45,125 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1926 transitions. [2020-11-29 18:40:45,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1926 transitions. [2020-11-29 18:40:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 18:40:45,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:45,131 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:40:45,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 18:40:45,131 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:45,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:45,132 INFO L82 PathProgramCache]: Analyzing trace with hash -408594384, now seen corresponding path program 1 times [2020-11-29 18:40:45,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:45,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38733634] [2020-11-29 18:40:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-11-29 18:40:45,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38733634] [2020-11-29 18:40:45,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:45,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:45,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856996308] [2020-11-29 18:40:45,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:45,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:45,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:45,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:45,224 INFO L87 Difference]: Start difference. First operand 1351 states and 1926 transitions. Second operand 3 states. [2020-11-29 18:40:45,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:45,561 INFO L93 Difference]: Finished difference Result 2813 states and 4019 transitions. [2020-11-29 18:40:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:45,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-29 18:40:45,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:45,572 INFO L225 Difference]: With dead ends: 2813 [2020-11-29 18:40:45,573 INFO L226 Difference]: Without dead ends: 1401 [2020-11-29 18:40:45,575 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 18:40:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2020-11-29 18:40:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1351. [2020-11-29 18:40:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-11-29 18:40:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1910 transitions. [2020-11-29 18:40:45,645 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1910 transitions. Word has length 185 [2020-11-29 18:40:45,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:45,645 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1910 transitions. [2020-11-29 18:40:45,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1910 transitions. [2020-11-29 18:40:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-29 18:40:45,652 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:45,652 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:45,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 18:40:45,653 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:45,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:45,653 INFO L82 PathProgramCache]: Analyzing trace with hash -585141096, now seen corresponding path program 1 times [2020-11-29 18:40:45,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:45,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704204852] [2020-11-29 18:40:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-29 18:40:45,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704204852] [2020-11-29 18:40:45,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:45,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:45,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114090494] [2020-11-29 18:40:45,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:45,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:45,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:45,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:45,767 INFO L87 Difference]: Start difference. First operand 1351 states and 1910 transitions. Second operand 3 states. [2020-11-29 18:40:46,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:46,090 INFO L93 Difference]: Finished difference Result 2903 states and 4113 transitions. [2020-11-29 18:40:46,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:46,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-29 18:40:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:46,101 INFO L225 Difference]: With dead ends: 2903 [2020-11-29 18:40:46,101 INFO L226 Difference]: Without dead ends: 1499 [2020-11-29 18:40:46,104 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 18:40:46,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-11-29 18:40:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1451. [2020-11-29 18:40:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2020-11-29 18:40:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2030 transitions. [2020-11-29 18:40:46,176 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2030 transitions. Word has length 206 [2020-11-29 18:40:46,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:46,177 INFO L481 AbstractCegarLoop]: Abstraction has 1451 states and 2030 transitions. [2020-11-29 18:40:46,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2030 transitions. [2020-11-29 18:40:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-29 18:40:46,184 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:46,184 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 18:40:46,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-29 18:40:46,185 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:46,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:46,185 INFO L82 PathProgramCache]: Analyzing trace with hash 2110600453, now seen corresponding path program 1 times [2020-11-29 18:40:46,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:46,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000880028] [2020-11-29 18:40:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-29 18:40:46,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000880028] [2020-11-29 18:40:46,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:46,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:46,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335195065] [2020-11-29 18:40:46,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:46,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:46,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:46,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:46,317 INFO L87 Difference]: Start difference. First operand 1451 states and 2030 transitions. Second operand 3 states. [2020-11-29 18:40:46,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:46,651 INFO L93 Difference]: Finished difference Result 3103 states and 4349 transitions. [2020-11-29 18:40:46,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:46,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-11-29 18:40:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:46,663 INFO L225 Difference]: With dead ends: 3103 [2020-11-29 18:40:46,663 INFO L226 Difference]: Without dead ends: 1607 [2020-11-29 18:40:46,668 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 18:40:46,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-11-29 18:40:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1563. [2020-11-29 18:40:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2020-11-29 18:40:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2170 transitions. [2020-11-29 18:40:46,771 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2170 transitions. Word has length 230 [2020-11-29 18:40:46,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:46,772 INFO L481 AbstractCegarLoop]: Abstraction has 1563 states and 2170 transitions. [2020-11-29 18:40:46,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:46,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2170 transitions. [2020-11-29 18:40:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-29 18:40:46,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:46,780 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 18:40:46,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-29 18:40:46,780 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:46,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:46,782 INFO L82 PathProgramCache]: Analyzing trace with hash 77206407, now seen corresponding path program 1 times [2020-11-29 18:40:46,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:46,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656793000] [2020-11-29 18:40:46,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-29 18:40:46,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656793000] [2020-11-29 18:40:46,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:46,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:46,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601280454] [2020-11-29 18:40:46,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:46,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:46,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:46,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:46,930 INFO L87 Difference]: Start difference. First operand 1563 states and 2170 transitions. Second operand 3 states. [2020-11-29 18:40:47,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:47,266 INFO L93 Difference]: Finished difference Result 3327 states and 4633 transitions. [2020-11-29 18:40:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:47,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-11-29 18:40:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:47,279 INFO L225 Difference]: With dead ends: 3327 [2020-11-29 18:40:47,279 INFO L226 Difference]: Without dead ends: 1735 [2020-11-29 18:40:47,282 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 18:40:47,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2020-11-29 18:40:47,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1687. [2020-11-29 18:40:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-11-29 18:40:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2338 transitions. [2020-11-29 18:40:47,378 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2338 transitions. Word has length 230 [2020-11-29 18:40:47,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:47,378 INFO L481 AbstractCegarLoop]: Abstraction has 1687 states and 2338 transitions. [2020-11-29 18:40:47,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2338 transitions. [2020-11-29 18:40:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-11-29 18:40:47,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:47,386 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:47,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-29 18:40:47,387 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:47,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1837554521, now seen corresponding path program 1 times [2020-11-29 18:40:47,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:47,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480236499] [2020-11-29 18:40:47,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-11-29 18:40:47,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480236499] [2020-11-29 18:40:47,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:47,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:47,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632870658] [2020-11-29 18:40:47,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:47,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:47,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:47,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:47,501 INFO L87 Difference]: Start difference. First operand 1687 states and 2338 transitions. Second operand 3 states. [2020-11-29 18:40:47,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:47,861 INFO L93 Difference]: Finished difference Result 3571 states and 4961 transitions. [2020-11-29 18:40:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:47,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2020-11-29 18:40:47,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:47,875 INFO L225 Difference]: With dead ends: 3571 [2020-11-29 18:40:47,875 INFO L226 Difference]: Without dead ends: 1871 [2020-11-29 18:40:47,877 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 18:40:47,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-11-29 18:40:47,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1827. [2020-11-29 18:40:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2020-11-29 18:40:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2538 transitions. [2020-11-29 18:40:47,960 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2538 transitions. Word has length 260 [2020-11-29 18:40:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:47,961 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2538 transitions. [2020-11-29 18:40:47,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2538 transitions. [2020-11-29 18:40:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-11-29 18:40:47,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:47,970 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:47,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 18:40:47,971 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:47,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:47,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1040904442, now seen corresponding path program 1 times [2020-11-29 18:40:47,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:47,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061263654] [2020-11-29 18:40:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-11-29 18:40:48,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061263654] [2020-11-29 18:40:48,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:48,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:48,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406636754] [2020-11-29 18:40:48,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:48,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:48,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:48,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:48,123 INFO L87 Difference]: Start difference. First operand 1827 states and 2538 transitions. Second operand 3 states. [2020-11-29 18:40:48,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:48,456 INFO L93 Difference]: Finished difference Result 3703 states and 5133 transitions. [2020-11-29 18:40:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:48,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-11-29 18:40:48,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:48,470 INFO L225 Difference]: With dead ends: 3703 [2020-11-29 18:40:48,471 INFO L226 Difference]: Without dead ends: 1871 [2020-11-29 18:40:48,474 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 18:40:48,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-11-29 18:40:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1827. [2020-11-29 18:40:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2020-11-29 18:40:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2522 transitions. [2020-11-29 18:40:48,551 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2522 transitions. Word has length 295 [2020-11-29 18:40:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:48,552 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2522 transitions. [2020-11-29 18:40:48,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2522 transitions. [2020-11-29 18:40:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-29 18:40:48,562 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:48,562 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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, 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 18:40:48,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-29 18:40:48,563 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:48,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:48,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1729384344, now seen corresponding path program 1 times [2020-11-29 18:40:48,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:48,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301806988] [2020-11-29 18:40:48,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-29 18:40:48,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301806988] [2020-11-29 18:40:48,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:48,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:48,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463703493] [2020-11-29 18:40:48,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:48,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:48,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:48,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:48,788 INFO L87 Difference]: Start difference. First operand 1827 states and 2522 transitions. Second operand 3 states. [2020-11-29 18:40:49,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:49,107 INFO L93 Difference]: Finished difference Result 3254 states and 4488 transitions. [2020-11-29 18:40:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:49,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-11-29 18:40:49,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:49,121 INFO L225 Difference]: With dead ends: 3254 [2020-11-29 18:40:49,121 INFO L226 Difference]: Without dead ends: 1838 [2020-11-29 18:40:49,124 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 18:40:49,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-29 18:40:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1802. [2020-11-29 18:40:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-11-29 18:40:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2456 transitions. [2020-11-29 18:40:49,209 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2456 transitions. Word has length 332 [2020-11-29 18:40:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:49,210 INFO L481 AbstractCegarLoop]: Abstraction has 1802 states and 2456 transitions. [2020-11-29 18:40:49,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2456 transitions. [2020-11-29 18:40:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-11-29 18:40:49,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:49,220 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:49,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 18:40:49,221 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:49,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:49,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1837144220, now seen corresponding path program 1 times [2020-11-29 18:40:49,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:49,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135799725] [2020-11-29 18:40:49,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2020-11-29 18:40:49,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135799725] [2020-11-29 18:40:49,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:49,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:49,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980123943] [2020-11-29 18:40:49,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:49,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:49,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:49,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:49,467 INFO L87 Difference]: Start difference. First operand 1802 states and 2456 transitions. Second operand 3 states. [2020-11-29 18:40:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:49,562 INFO L93 Difference]: Finished difference Result 5132 states and 6978 transitions. [2020-11-29 18:40:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:49,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2020-11-29 18:40:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:49,598 INFO L225 Difference]: With dead ends: 5132 [2020-11-29 18:40:49,598 INFO L226 Difference]: Without dead ends: 3337 [2020-11-29 18:40:49,602 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 18:40:49,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2020-11-29 18:40:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3335. [2020-11-29 18:40:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3335 states. [2020-11-29 18:40:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 3335 states and 4520 transitions. [2020-11-29 18:40:49,752 INFO L78 Accepts]: Start accepts. Automaton has 3335 states and 4520 transitions. Word has length 333 [2020-11-29 18:40:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:49,753 INFO L481 AbstractCegarLoop]: Abstraction has 3335 states and 4520 transitions. [2020-11-29 18:40:49,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 4520 transitions. [2020-11-29 18:40:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-11-29 18:40:49,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:49,766 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:49,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 18:40:49,766 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:49,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:49,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1564055932, now seen corresponding path program 1 times [2020-11-29 18:40:49,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:49,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597160273] [2020-11-29 18:40:49,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-11-29 18:40:49,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597160273] [2020-11-29 18:40:49,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722491031] [2020-11-29 18:40:49,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/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 18:40:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:50,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:40:50,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:40:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-11-29 18:40:50,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:40:50,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 18:40:50,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511976256] [2020-11-29 18:40:50,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:40:50,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:50,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:40:50,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:40:50,433 INFO L87 Difference]: Start difference. First operand 3335 states and 4520 transitions. Second operand 4 states. [2020-11-29 18:40:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:51,431 INFO L93 Difference]: Finished difference Result 7733 states and 10423 transitions. [2020-11-29 18:40:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:40:51,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2020-11-29 18:40:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:51,460 INFO L225 Difference]: With dead ends: 7733 [2020-11-29 18:40:51,461 INFO L226 Difference]: Without dead ends: 4401 [2020-11-29 18:40:51,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 345 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 18:40:51,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2020-11-29 18:40:51,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 3330. [2020-11-29 18:40:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3330 states. [2020-11-29 18:40:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 3330 states and 4359 transitions. [2020-11-29 18:40:51,649 INFO L78 Accepts]: Start accepts. Automaton has 3330 states and 4359 transitions. Word has length 343 [2020-11-29 18:40:51,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:51,650 INFO L481 AbstractCegarLoop]: Abstraction has 3330 states and 4359 transitions. [2020-11-29 18:40:51,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:40:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 4359 transitions. [2020-11-29 18:40:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-11-29 18:40:51,664 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:51,665 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:51,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-29 18:40:51,886 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:51,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:51,886 INFO L82 PathProgramCache]: Analyzing trace with hash 61848643, now seen corresponding path program 1 times [2020-11-29 18:40:51,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:51,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484219321] [2020-11-29 18:40:51,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-29 18:40:52,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484219321] [2020-11-29 18:40:52,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772328107] [2020-11-29 18:40:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/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 18:40:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:52,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:40:52,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:40:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-29 18:40:52,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:40:52,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 18:40:52,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915952666] [2020-11-29 18:40:52,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:40:52,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:52,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:40:52,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:40:52,578 INFO L87 Difference]: Start difference. First operand 3330 states and 4359 transitions. Second operand 4 states. [2020-11-29 18:40:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:53,178 INFO L93 Difference]: Finished difference Result 7693 states and 10068 transitions. [2020-11-29 18:40:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:40:53,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2020-11-29 18:40:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:53,190 INFO L225 Difference]: With dead ends: 7693 [2020-11-29 18:40:53,191 INFO L226 Difference]: Without dead ends: 4361 [2020-11-29 18:40:53,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 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 18:40:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2020-11-29 18:40:53,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 3344. [2020-11-29 18:40:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2020-11-29 18:40:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4329 transitions. [2020-11-29 18:40:53,341 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4329 transitions. Word has length 369 [2020-11-29 18:40:53,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:53,342 INFO L481 AbstractCegarLoop]: Abstraction has 3344 states and 4329 transitions. [2020-11-29 18:40:53,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:40:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4329 transitions. [2020-11-29 18:40:53,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-11-29 18:40:53,356 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:53,356 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:53,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-11-29 18:40:53,582 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:53,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1613450848, now seen corresponding path program 1 times [2020-11-29 18:40:53,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:53,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882995937] [2020-11-29 18:40:53,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2020-11-29 18:40:53,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882995937] [2020-11-29 18:40:53,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:53,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:40:53,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795169954] [2020-11-29 18:40:53,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:40:53,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:53,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:40:53,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:40:53,812 INFO L87 Difference]: Start difference. First operand 3344 states and 4329 transitions. Second operand 3 states. [2020-11-29 18:40:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:54,128 INFO L93 Difference]: Finished difference Result 5721 states and 7412 transitions. [2020-11-29 18:40:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:40:54,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2020-11-29 18:40:54,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:54,134 INFO L225 Difference]: With dead ends: 5721 [2020-11-29 18:40:54,134 INFO L226 Difference]: Without dead ends: 1754 [2020-11-29 18:40:54,141 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 18:40:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2020-11-29 18:40:54,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1754. [2020-11-29 18:40:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1754 states. [2020-11-29 18:40:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2289 transitions. [2020-11-29 18:40:54,204 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2289 transitions. Word has length 408 [2020-11-29 18:40:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:54,205 INFO L481 AbstractCegarLoop]: Abstraction has 1754 states and 2289 transitions. [2020-11-29 18:40:54,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:40:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2289 transitions. [2020-11-29 18:40:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-11-29 18:40:54,219 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:54,220 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:54,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-29 18:40:54,220 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:54,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:54,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1952423320, now seen corresponding path program 1 times [2020-11-29 18:40:54,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:54,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147615993] [2020-11-29 18:40:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-11-29 18:40:54,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147615993] [2020-11-29 18:40:54,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092505613] [2020-11-29 18:40:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/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 18:40:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:54,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:40:54,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:40:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-11-29 18:40:55,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:40:55,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 18:40:55,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208291824] [2020-11-29 18:40:55,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:40:55,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:55,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:40:55,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:40:55,170 INFO L87 Difference]: Start difference. First operand 1754 states and 2289 transitions. Second operand 4 states. [2020-11-29 18:40:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:55,535 INFO L93 Difference]: Finished difference Result 2326 states and 3061 transitions. [2020-11-29 18:40:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:40:55,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 492 [2020-11-29 18:40:55,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:55,537 INFO L225 Difference]: With dead ends: 2326 [2020-11-29 18:40:55,537 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:40:55,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 494 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 18:40:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:40:55,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:40:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:40:55,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:40:55,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 492 [2020-11-29 18:40:55,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:55,543 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:40:55,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:40:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:40:55,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:40:55,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:40:55,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:40:55,872 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2020-11-29 18:40:56,691 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 127 [2020-11-29 18:40:57,539 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-11-29 18:40:57,643 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-11-29 18:40:58,114 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-11-29 18:40:58,299 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 14 [2020-11-29 18:40:58,571 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 18 [2020-11-29 18:40:59,110 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2020-11-29 18:41:01,154 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2020-11-29 18:41:01,708 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2020-11-29 18:41:01,814 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-11-29 18:41:02,249 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-11-29 18:41:02,663 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-11-29 18:41:02,892 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-11-29 18:41:03,350 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2020-11-29 18:41:03,625 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-11-29 18:41:03,735 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 17 [2020-11-29 18:41:03,782 INFO L270 CegarLoopResult]: At program point L531(lines 96 597) the Hoare annotation is: (let ((.cse14 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (.cse8 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse11 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4)) (.cse15 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse6 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)) (.cse7 (<= ULTIMATE.start_ssl3_connect_~s__state~0 3)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse2 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse24 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse9 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse10 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse20 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384))) (.cse5 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse12 (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse13 (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse16 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse23 (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368))) (.cse19 (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse17 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (.cse21 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse22 (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse5) (and .cse8 .cse9 .cse10 .cse11 .cse5) (and .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse15 .cse7 .cse5) (and .cse12 .cse13 .cse6 .cse14 .cse16 .cse17 .cse19 .cse20 .cse21 .cse22) (and .cse8 .cse15 .cse11) (and .cse12 .cse1 .cse16 .cse23 .cse18 .cse19 .cse17 .cse10 .cse20 .cse5 .cse22) (and .cse12 .cse13 .cse6 .cse16 .cse23 .cse19 .cse17 .cse20 .cse21 .cse22) (and .cse0 .cse15 .cse2 .cse24 .cse3 .cse4 .cse21) (and .cse12 .cse15 .cse16 .cse23 .cse18 .cse19 .cse17 .cse20 .cse5 .cse22) (and .cse0 .cse6 .cse2 .cse24 .cse3 .cse4 .cse21) (and .cse7 .cse10) (and .cse0 .cse2 .cse24 .cse3 .cse10 .cse4 .cse21 .cse5) (and .cse12 .cse13 .cse9 .cse16 .cse18 .cse19 .cse17 .cse10 .cse20 .cse21 .cse5 .cse22) (and .cse12 .cse13 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1) .cse16 .cse23 .cse18 .cse19 .cse17 .cse21 .cse22))) [2020-11-29 18:41:03,782 INFO L274 CegarLoopResult]: For program point L168(lines 168 543) no Hoare annotation was computed. [2020-11-29 18:41:03,782 INFO L274 CegarLoopResult]: For program point L135(lines 135 554) no Hoare annotation was computed. [2020-11-29 18:41:03,782 INFO L274 CegarLoopResult]: For program point L102(lines 102 565) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L277 CegarLoopResult]: At program point L598(lines 95 599) the Hoare annotation is: true [2020-11-29 18:41:03,783 INFO L270 CegarLoopResult]: At program point L136(lines 132 555) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~s__state~0 4432) (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0) (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L368-2(lines 368 372) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L567(lines 567 595) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L171(lines 171 542) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L138(lines 138 553) no Hoare annotation was computed. [2020-11-29 18:41:03,783 INFO L274 CegarLoopResult]: For program point L105(lines 105 564) no Hoare annotation was computed. [2020-11-29 18:41:03,784 INFO L274 CegarLoopResult]: For program point L568(lines 568 592) no Hoare annotation was computed. [2020-11-29 18:41:03,784 INFO L274 CegarLoopResult]: For program point L502-1(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,784 INFO L274 CegarLoopResult]: For program point L337(lines 337 342) no Hoare annotation was computed. [2020-11-29 18:41:03,784 INFO L274 CegarLoopResult]: For program point L304-1(lines 304 318) no Hoare annotation was computed. [2020-11-29 18:41:03,784 INFO L270 CegarLoopResult]: At program point L205(lines 102 565) the Hoare annotation is: (and (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433)) (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384)) (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4529 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368)) (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0))) [2020-11-29 18:41:03,784 INFO L270 CegarLoopResult]: At program point L172(lines 168 543) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse1 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4512)) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-29 18:41:03,784 INFO L274 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L569(lines 569 578) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L602-2(lines 602 606) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L569-2(lines 568 590) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L174(lines 174 541) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L141(lines 141 552) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L108(lines 108 563) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-29 18:41:03,785 INFO L274 CegarLoopResult]: For program point L439(lines 439 444) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L270 CegarLoopResult]: At program point L142(lines 138 553) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0)) (<= ULTIMATE.start_ssl3_connect_~s__state~0 4448) (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L76(lines 76 84) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L308-2(lines 306 318) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L507-1(lines 507 511) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L177(lines 177 540) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L144(lines 144 551) no Hoare annotation was computed. [2020-11-29 18:41:03,786 INFO L274 CegarLoopResult]: For program point L210-2(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,787 INFO L274 CegarLoopResult]: For program point L111(lines 111 562) no Hoare annotation was computed. [2020-11-29 18:41:03,787 INFO L270 CegarLoopResult]: At program point L178(lines 174 541) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4528))) (.cse2 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse3 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse5 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse7 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse0 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse5 .cse6 .cse7))) [2020-11-29 18:41:03,787 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-29 18:41:03,787 INFO L274 CegarLoopResult]: For program point L79-2(lines 76 84) no Hoare annotation was computed. [2020-11-29 18:41:03,787 INFO L277 CegarLoopResult]: At program point L609(lines 9 611) the Hoare annotation is: true [2020-11-29 18:41:03,787 INFO L274 CegarLoopResult]: For program point L246(lines 246 251) no Hoare annotation was computed. [2020-11-29 18:41:03,787 INFO L274 CegarLoopResult]: For program point L180(lines 180 539) no Hoare annotation was computed. [2020-11-29 18:41:03,787 INFO L274 CegarLoopResult]: For program point L147(lines 147 550) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L114(lines 114 561) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L270 CegarLoopResult]: At program point L148(lines 144 551) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4464)) (.cse1 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse2 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-11-29 18:41:03,788 INFO L270 CegarLoopResult]: At program point L348(lines 62 610) the Hoare annotation is: false [2020-11-29 18:41:03,788 INFO L274 CegarLoopResult]: For program point L183(lines 183 538) no Hoare annotation was computed. [2020-11-29 18:41:03,789 INFO L274 CegarLoopResult]: For program point L150(lines 150 549) no Hoare annotation was computed. [2020-11-29 18:41:03,789 INFO L274 CegarLoopResult]: For program point L117(lines 117 560) no Hoare annotation was computed. [2020-11-29 18:41:03,789 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-11-29 18:41:03,789 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-11-29 18:41:03,789 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2020-11-29 18:41:03,789 INFO L270 CegarLoopResult]: At program point L184(lines 180 539) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse2 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-29 18:41:03,789 INFO L270 CegarLoopResult]: At program point L118(lines 114 561) the Hoare annotation is: (and (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0) (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0)) (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) [2020-11-29 18:41:03,789 INFO L274 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L284-2(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L86(lines 86 94) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L186(lines 186 537) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L153(lines 153 548) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L120(lines 120 559) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L486-1(lines 486 498) no Hoare annotation was computed. [2020-11-29 18:41:03,790 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L274 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L274 CegarLoopResult]: For program point L189(lines 189 536) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L274 CegarLoopResult]: For program point L156(lines 156 547) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L274 CegarLoopResult]: For program point L222-2(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L274 CegarLoopResult]: For program point L123(lines 123 558) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:41:03,791 INFO L270 CegarLoopResult]: At program point L190(lines 186 537) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1))) [2020-11-29 18:41:03,791 INFO L270 CegarLoopResult]: At program point L124(lines 120 559) the Hoare annotation is: (and (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1) (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0) (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0)) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368)) (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416) (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0))) [2020-11-29 18:41:03,791 INFO L277 CegarLoopResult]: At program point L620(lines 612 622) the Hoare annotation is: true [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L224(lines 224 229) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L489(lines 489 494) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L456(lines 456 467) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L456-1(lines 456 467) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L192(lines 192 535) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L159(lines 159 546) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L126(lines 126 557) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-11-29 18:41:03,792 INFO L274 CegarLoopResult]: For program point L325-2(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,793 INFO L270 CegarLoopResult]: At program point L193(lines 192 535) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (.cse0 (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse1 (not (= 4400 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368))) (.cse6 (not (= 4401 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (.cse7 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384))) (.cse8 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse9 (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) .cse3 .cse5 .cse6 .cse4 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse7 .cse8 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) .cse9))) [2020-11-29 18:41:03,793 INFO L270 CegarLoopResult]: At program point L160(lines 150 549) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse1 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4480)) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-29 18:41:03,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:41:03,793 INFO L274 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-11-29 18:41:03,793 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-11-29 18:41:03,793 INFO L274 CegarLoopResult]: For program point L260-2(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,793 INFO L274 CegarLoopResult]: For program point L195(lines 195 534) no Hoare annotation was computed. [2020-11-29 18:41:03,793 INFO L274 CegarLoopResult]: For program point L162(lines 162 545) no Hoare annotation was computed. [2020-11-29 18:41:03,794 INFO L274 CegarLoopResult]: For program point L129(lines 129 556) no Hoare annotation was computed. [2020-11-29 18:41:03,794 INFO L274 CegarLoopResult]: For program point L96-1(lines 62 610) no Hoare annotation was computed. [2020-11-29 18:41:03,794 INFO L274 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-11-29 18:41:03,797 INFO L274 CegarLoopResult]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2020-11-29 18:41:03,797 INFO L270 CegarLoopResult]: At program point L196(lines 195 534) the Hoare annotation is: (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-11-29 18:41:03,797 INFO L270 CegarLoopResult]: At program point L130(lines 126 557) the Hoare annotation is: (let ((.cse0 (not (= 4385 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (not (= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4368))) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4416)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4384))) (.cse6 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416))) (.cse7 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse8 (not (= 4369 ULTIMATE.start_ssl3_connect_~s__state~0)))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse5 .cse6 .cse7 .cse8))) [2020-11-29 18:41:03,797 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 18:41:03,798 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-11-29 18:41:03,798 INFO L274 CegarLoopResult]: For program point L428-2(lines 200 530) no Hoare annotation was computed. [2020-11-29 18:41:03,798 INFO L274 CegarLoopResult]: For program point L230(lines 230 235) no Hoare annotation was computed. [2020-11-29 18:41:03,798 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:41:03,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:41:03,798 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-11-29 18:41:03,799 INFO L274 CegarLoopResult]: For program point L165(lines 165 544) no Hoare annotation was computed. [2020-11-29 18:41:03,799 INFO L274 CegarLoopResult]: For program point L132(lines 132 555) no Hoare annotation was computed. [2020-11-29 18:41:03,799 INFO L274 CegarLoopResult]: For program point L99(lines 99 566) no Hoare annotation was computed. [2020-11-29 18:41:03,799 INFO L274 CegarLoopResult]: For program point L397(lines 397 402) no Hoare annotation was computed. [2020-11-29 18:41:03,799 INFO L274 CegarLoopResult]: For program point L397-2(lines 397 402) no Hoare annotation was computed. [2020-11-29 18:41:03,799 INFO L270 CegarLoopResult]: At program point L199(lines 198 533) the Hoare annotation is: (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-11-29 18:41:03,800 INFO L270 CegarLoopResult]: At program point L166(lines 162 545) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4433))) (.cse1 (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse2 (not (= 4417 ULTIMATE.start_ssl3_connect_~s__state~0))) (.cse3 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4512)) (.cse4 (<= 4416 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_connect_~s__state~0 4416)))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse5 .cse6) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-29 18:41:03,800 INFO L270 CegarLoopResult]: At program point L100(lines 99 566) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-11-29 18:41:03,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:41:03 BoogieIcfgContainer [2020-11-29 18:41:03,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:41:03,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:41:03,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:41:03,873 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:41:03,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:37" (3/4) ... [2020-11-29 18:41:03,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:41:03,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:41:03,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:41:03,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:41:03,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:41:04,033 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_175f7b56-f504-43f7-a740-2d3bc9b51eda/bin/uautomizer/witness.graphml [2020-11-29 18:41:04,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:41:04,035 INFO L168 Benchmark]: Toolchain (without parser) took 27911.57 ms. Allocated memory was 100.7 MB in the beginning and 809.5 MB in the end (delta: 708.8 MB). Free memory was 74.4 MB in the beginning and 712.8 MB in the end (delta: -638.4 MB). Peak memory consumption was 69.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,036 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:41:04,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.20 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 74.2 MB in the end (delta: -2.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.68 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 71.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,037 INFO L168 Benchmark]: Boogie Preprocessor took 46.42 ms. Allocated memory is still 100.7 MB. Free memory was 71.7 MB in the beginning and 69.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,037 INFO L168 Benchmark]: RCFGBuilder took 1072.28 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 69.8 MB in the beginning and 94.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,038 INFO L168 Benchmark]: TraceAbstraction took 26094.60 ms. Allocated memory was 138.4 MB in the beginning and 809.5 MB in the end (delta: 671.1 MB). Free memory was 94.1 MB in the beginning and 723.3 MB in the end (delta: -629.2 MB). Peak memory consumption was 471.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,038 INFO L168 Benchmark]: Witness Printer took 161.31 ms. Allocated memory is still 809.5 MB. Free memory was 723.3 MB in the beginning and 712.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:41:04,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 461.20 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 74.2 MB in the end (delta: -2.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.68 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 71.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.42 ms. Allocated memory is still 100.7 MB. Free memory was 71.7 MB in the beginning and 69.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1072.28 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 69.8 MB in the beginning and 94.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26094.60 ms. Allocated memory was 138.4 MB in the beginning and 809.5 MB in the end (delta: 671.1 MB). Free memory was 94.1 MB in the beginning and 723.3 MB in the end (delta: -629.2 MB). Peak memory consumption was 471.3 MB. Max. memory is 16.1 GB. * Witness Printer took 161.31 ms. Allocated memory is still 809.5 MB. Free memory was 723.3 MB in the beginning and 712.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 162]: Loop Invariant Derived loop invariant: ((((((((blastFlag == 0 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) || (((((((blastFlag <= 4 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || (((((((!(s__state == 4433) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((blastFlag == 2 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((((!(4400 == s__state) && blastFlag == 1) && 4352 <= s__state) && !(4352 == s__state)) && !(4401 == s__state)) && !(s__state == 4368)) && s__state <= 4416) && !(s__state == 4416)) && !(4369 == s__state) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: !(4432 == s__state) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 4528) && s__state <= 4528) && blastFlag <= 4) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) || (((((((!(s__state == 4528) && s__state <= 4528) && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (((((((!(s__state == 4528) && s__state <= 4528) && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || ((((((((s__state <= 4528 && !(s__state == 4528)) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((s__state <= 4432 && blastFlag <= 4) && !(4432 == s__state)) && 4416 <= s__state) && s__hit == 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 2) && 4560 <= s__state) || ((((s__state <= 4560 && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__state) && s__hit == 0)) || (blastFlag == 0 && 4560 <= s__state) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((((((((s__state <= 4464 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) || (((((((s__state <= 4464 && blastFlag <= 4) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((s__state <= 4464 && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || ((((((blastFlag == 0 && s__state <= 4464) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__state <= 4528 && blastFlag <= 4) && !(s__state == 4433)) && !(4417 == s__state)) && 4416 <= s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 3) && s__hit == 0)) || ((((s__state <= 4560 && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && 4560 <= s__state) && s__hit == 0)) || ((((((((((!(4385 == s__state) && !(4400 == s__state)) && s__s3__tmp__next_state___0 <= 3) && blastFlag == 2) && 4352 <= s__state) && s__state <= 4416) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || ((blastFlag == 2 && s__state <= 3) && s__hit == 0)) || (((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && s__s3__tmp__next_state___0 <= 3) && 4352 <= s__state) && s__state <= 4416) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || ((s__state <= 4560 && blastFlag == 2) && 4560 <= s__state)) || ((((((((((!(4385 == s__state) && blastFlag <= 4) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && s__hit == 0) && !(4369 == s__state))) || (((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && 4352 <= s__state) && !(4352 == s__state)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || ((((((s__state <= 4528 && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (((((((((!(4385 == s__state) && blastFlag == 2) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4384)) && s__hit == 0) && !(4369 == s__state))) || ((((((s__state <= 4528 && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (((((((s__state <= 4528 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || (((((((((((!(4385 == s__state) && !(4400 == s__state)) && 4560 <= s__s3__tmp__next_state___0) && 4352 <= s__state) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state))) || (((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 1) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4416)) && !(4369 == s__state)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((((((blastFlag == 2 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && 4416 <= s__state) && !(s__state == 4416)) || (((((((!(s__state == 4433) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || (((((((blastFlag <= 4 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((blastFlag == 0 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4480) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && 4352 <= s__state) && !(4352 == s__state)) && !(4401 == s__state)) && s__state <= 4416) && !(s__state == 4384)) && !(s__state == 4416) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((((((((!(4385 == s__state) && !(4400 == s__state)) && blastFlag == 0) && s__s3__tmp__next_state___0 <= 3) && 4352 <= s__state) && s__state <= 4416) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state)) || ((((((((((!(4385 == s__state) && !(4400 == s__state)) && s__s3__tmp__next_state___0 <= 3) && blastFlag == 2) && 4352 <= s__state) && s__state <= 4416) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4384)) && !(s__state == 4416)) && !(4369 == s__state))) || (((((((((((!(4385 == s__state) && !(4400 == s__state)) && 4560 <= s__s3__tmp__next_state___0) && 4352 <= s__state) && !(s__state == 4368)) && !(4401 == s__state)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((((((blastFlag <= 4 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) || ((((((blastFlag == 0 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416))) || (((((((!(s__state == 4433) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((blastFlag == 2 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__state <= 4512) && 4416 <= s__state) && !(s__state == 4416)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((((!(4385 == s__state) && blastFlag == 2) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && s__state <= 4416) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state)) || ((((((((((!(4385 == s__state) && blastFlag <= 4) && 4352 <= s__state) && !(4352 == s__state)) && !(s__state == 4368)) && s__state <= 4416) && s__s3__tmp__next_state___0 <= 4560) && !(s__state == 4384)) && !(s__state == 4416)) && s__hit == 0) && !(4369 == s__state)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((((((((((!(4385 == s__state) && !(s__state == 4528)) && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(s__state == 4384)) && !(4400 == s__state)) && !(4417 == s__state)) && !(4529 == s__state)) && !(4352 == s__state)) && !(s__state == 4368)) && !(4401 == s__state)) && !(s__state == 4416)) && !(4369 == s__state) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((((s__state <= 4560 && blastFlag == 2) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) || (((((((s__state <= 4560 && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && s__s3__tmp__next_state___0 <= 4560) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0)) || ((((((s__state <= 4560 && blastFlag == 0) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416))) || (((((((s__state <= 4560 && blastFlag <= 4) && !(s__state == 4433)) && !(4432 == s__state)) && !(4417 == s__state)) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((blastFlag <= 4 && !(4417 == s__state)) && s__state <= 4448) && 4416 <= s__state) && !(s__state == 4416)) && s__hit == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: blastFlag == 0 && 4560 <= s__state - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: !(4432 == s__state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.9s, OverallIterations: 31, TraceHistogramMax: 19, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4814 SDtfs, 3546 SDslu, 2055 SDs, 0 SdLazy, 2804 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1303 GetRequests, 1266 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3344occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 31 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 151 NumberOfFragments, 1533 HoareAnnotationTreeSize, 22 FomulaSimplifications, 188017 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 22 FomulaSimplificationsInter, 36666 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 6490 NumberOfCodeBlocks, 6490 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 6456 ConstructedInterpolants, 0 QuantifiedInterpolants, 2334995 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2004 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 34 InterpolantComputations, 28 PerfectInterpolantSequences, 23224/23286 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...