./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_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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 [2020-11-28 03:20:46,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:46,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:46,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:46,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:46,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:46,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:46,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:46,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:46,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:46,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:46,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:46,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:46,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:46,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:46,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:46,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:46,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:46,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:46,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:46,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:46,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:46,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:46,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:46,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:46,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:46,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:46,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:46,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:46,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:46,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:46,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:46,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:46,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:46,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:46,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:46,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:46,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:46,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:46,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:46,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:46,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:46,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:46,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:46,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:46,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:46,641 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:46,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:46,641 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:46,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:46,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:46,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:46,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:46,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:46,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:46,643 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:46,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:46,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:46,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:46,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:46,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:46,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:46,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:46,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:46,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:46,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:46,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:46,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:46,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:46,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:46,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:46,646 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_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e741634054dd50a048146b108e465f8b335e64a [2020-11-28 03:20:46,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:46,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:46,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:46,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:46,952 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:46,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2020-11-28 03:20:47,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/data/08115e42d/3649a63d0a2b43bd855595246f32dc92/FLAGb806bfb4f [2020-11-28 03:20:47,606 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:47,606 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2020-11-28 03:20:47,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/data/08115e42d/3649a63d0a2b43bd855595246f32dc92/FLAGb806bfb4f [2020-11-28 03:20:47,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/data/08115e42d/3649a63d0a2b43bd855595246f32dc92 [2020-11-28 03:20:47,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:47,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:47,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:47,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:47,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:47,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:47" (1/1) ... [2020-11-28 03:20:47,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd0f969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:47, skipping insertion in model container [2020-11-28 03:20:47,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:47" (1/1) ... [2020-11-28 03:20:47,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:47,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:48,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:48,189 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:48,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:48,288 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:48,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48 WrapperNode [2020-11-28 03:20:48,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:48,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:48,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:48,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:48,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:48,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:48,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:48,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:48,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:48,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:48,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:48,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:48,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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 [2020-11-28 03:20:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:48,622 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:20:49,218 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-28 03:20:49,218 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-28 03:20:49,227 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:49,227 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:20:49,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49 BoogieIcfgContainer [2020-11-28 03:20:49,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:49,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:49,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:49,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:49,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:47" (1/3) ... [2020-11-28 03:20:49,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61281d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:49, skipping insertion in model container [2020-11-28 03:20:49,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (2/3) ... [2020-11-28 03:20:49,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61281d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:49, skipping insertion in model container [2020-11-28 03:20:49,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49" (3/3) ... [2020-11-28 03:20:49,237 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2020-11-28 03:20:49,247 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:49,252 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:20:49,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:20:49,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:49,286 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:49,287 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:49,287 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:49,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:49,287 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:49,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:49,287 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-11-28 03:20:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:20:49,310 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:49,311 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] [2020-11-28 03:20:49,311 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:49,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2020-11-28 03:20:49,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:49,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544814891] [2020-11-28 03:20:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:49,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544814891] [2020-11-28 03:20:49,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:49,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:49,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125983845] [2020-11-28 03:20:49,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:49,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:49,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:49,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:49,595 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2020-11-28 03:20:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:50,086 INFO L93 Difference]: Finished difference Result 277 states and 473 transitions. [2020-11-28 03:20:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:50,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:20:50,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:50,119 INFO L225 Difference]: With dead ends: 277 [2020-11-28 03:20:50,120 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 03:20:50,124 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 [2020-11-28 03:20:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 03:20:50,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2020-11-28 03:20:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-28 03:20:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 207 transitions. [2020-11-28 03:20:50,209 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 207 transitions. Word has length 24 [2020-11-28 03:20:50,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:50,210 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 207 transitions. [2020-11-28 03:20:50,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2020-11-28 03:20:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:20:50,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:50,212 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] [2020-11-28 03:20:50,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:50,213 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:50,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:50,214 INFO L82 PathProgramCache]: Analyzing trace with hash 2051406291, now seen corresponding path program 1 times [2020-11-28 03:20:50,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:50,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532123317] [2020-11-28 03:20:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:50,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532123317] [2020-11-28 03:20:50,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:50,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:50,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334611960] [2020-11-28 03:20:50,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:50,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:50,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:50,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:50,302 INFO L87 Difference]: Start difference. First operand 132 states and 207 transitions. Second operand 3 states. [2020-11-28 03:20:50,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:50,565 INFO L93 Difference]: Finished difference Result 286 states and 452 transitions. [2020-11-28 03:20:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:50,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-28 03:20:50,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:50,568 INFO L225 Difference]: With dead ends: 286 [2020-11-28 03:20:50,568 INFO L226 Difference]: Without dead ends: 161 [2020-11-28 03:20:50,569 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 [2020-11-28 03:20:50,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-11-28 03:20:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 156. [2020-11-28 03:20:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-28 03:20:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 250 transitions. [2020-11-28 03:20:50,599 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 250 transitions. Word has length 25 [2020-11-28 03:20:50,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:50,600 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 250 transitions. [2020-11-28 03:20:50,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 250 transitions. [2020-11-28 03:20:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 03:20:50,602 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:50,603 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] [2020-11-28 03:20:50,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:50,603 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:50,604 INFO L82 PathProgramCache]: Analyzing trace with hash -707545866, now seen corresponding path program 1 times [2020-11-28 03:20:50,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:50,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704525639] [2020-11-28 03:20:50,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:50,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704525639] [2020-11-28 03:20:50,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:50,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:50,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838121329] [2020-11-28 03:20:50,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:50,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:50,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:50,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:50,701 INFO L87 Difference]: Start difference. First operand 156 states and 250 transitions. Second operand 3 states. [2020-11-28 03:20:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:50,974 INFO L93 Difference]: Finished difference Result 329 states and 531 transitions. [2020-11-28 03:20:50,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:50,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-28 03:20:50,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:50,977 INFO L225 Difference]: With dead ends: 329 [2020-11-28 03:20:50,978 INFO L226 Difference]: Without dead ends: 180 [2020-11-28 03:20:50,979 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 [2020-11-28 03:20:50,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-11-28 03:20:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-11-28 03:20:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-28 03:20:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 286 transitions. [2020-11-28 03:20:51,011 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 286 transitions. Word has length 44 [2020-11-28 03:20:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:51,011 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 286 transitions. [2020-11-28 03:20:51,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 286 transitions. [2020-11-28 03:20:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 03:20:51,013 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:51,014 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] [2020-11-28 03:20:51,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:20:51,014 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:51,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:51,014 INFO L82 PathProgramCache]: Analyzing trace with hash 273569771, now seen corresponding path program 1 times [2020-11-28 03:20:51,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:51,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081989340] [2020-11-28 03:20:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:51,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081989340] [2020-11-28 03:20:51,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:51,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:51,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766104328] [2020-11-28 03:20:51,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:51,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:51,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:51,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:51,145 INFO L87 Difference]: Start difference. First operand 177 states and 286 transitions. Second operand 3 states. [2020-11-28 03:20:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:51,433 INFO L93 Difference]: Finished difference Result 350 states and 565 transitions. [2020-11-28 03:20:51,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:51,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-28 03:20:51,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:51,436 INFO L225 Difference]: With dead ends: 350 [2020-11-28 03:20:51,437 INFO L226 Difference]: Without dead ends: 180 [2020-11-28 03:20:51,439 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 [2020-11-28 03:20:51,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-11-28 03:20:51,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2020-11-28 03:20:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-28 03:20:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 284 transitions. [2020-11-28 03:20:51,464 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 284 transitions. Word has length 45 [2020-11-28 03:20:51,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:51,465 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 284 transitions. [2020-11-28 03:20:51,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 284 transitions. [2020-11-28 03:20:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 03:20:51,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:51,481 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] [2020-11-28 03:20:51,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:20:51,481 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:51,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:51,482 INFO L82 PathProgramCache]: Analyzing trace with hash -347639860, now seen corresponding path program 1 times [2020-11-28 03:20:51,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:51,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766970994] [2020-11-28 03:20:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:20:51,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766970994] [2020-11-28 03:20:51,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:51,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:51,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270100122] [2020-11-28 03:20:51,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:51,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:51,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:51,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:51,556 INFO L87 Difference]: Start difference. First operand 177 states and 284 transitions. Second operand 3 states. [2020-11-28 03:20:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:51,795 INFO L93 Difference]: Finished difference Result 371 states and 598 transitions. [2020-11-28 03:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:51,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-28 03:20:51,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:51,797 INFO L225 Difference]: With dead ends: 371 [2020-11-28 03:20:51,797 INFO L226 Difference]: Without dead ends: 201 [2020-11-28 03:20:51,798 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 [2020-11-28 03:20:51,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-28 03:20:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-11-28 03:20:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-28 03:20:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 316 transitions. [2020-11-28 03:20:51,820 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 316 transitions. Word has length 60 [2020-11-28 03:20:51,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:51,823 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 316 transitions. [2020-11-28 03:20:51,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 316 transitions. [2020-11-28 03:20:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 03:20:51,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:51,829 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] [2020-11-28 03:20:51,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:20:51,830 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:51,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:51,831 INFO L82 PathProgramCache]: Analyzing trace with hash 59659617, now seen corresponding path program 1 times [2020-11-28 03:20:51,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:51,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143748991] [2020-11-28 03:20:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:20:51,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143748991] [2020-11-28 03:20:51,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:51,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:51,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389733175] [2020-11-28 03:20:51,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:51,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:51,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:51,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:51,918 INFO L87 Difference]: Start difference. First operand 197 states and 316 transitions. Second operand 3 states. [2020-11-28 03:20:52,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:52,121 INFO L93 Difference]: Finished difference Result 391 states and 627 transitions. [2020-11-28 03:20:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:52,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-28 03:20:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:52,124 INFO L225 Difference]: With dead ends: 391 [2020-11-28 03:20:52,124 INFO L226 Difference]: Without dead ends: 201 [2020-11-28 03:20:52,124 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 [2020-11-28 03:20:52,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-28 03:20:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-11-28 03:20:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-28 03:20:52,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 313 transitions. [2020-11-28 03:20:52,137 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 313 transitions. Word has length 61 [2020-11-28 03:20:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:52,137 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 313 transitions. [2020-11-28 03:20:52,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 313 transitions. [2020-11-28 03:20:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 03:20:52,139 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:52,139 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] [2020-11-28 03:20:52,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:20:52,140 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:52,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:52,148 INFO L82 PathProgramCache]: Analyzing trace with hash -450704854, now seen corresponding path program 1 times [2020-11-28 03:20:52,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:52,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27089170] [2020-11-28 03:20:52,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:52,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27089170] [2020-11-28 03:20:52,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:52,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:52,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109260330] [2020-11-28 03:20:52,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:52,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:52,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:52,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:52,267 INFO L87 Difference]: Start difference. First operand 197 states and 313 transitions. Second operand 3 states. [2020-11-28 03:20:52,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:52,565 INFO L93 Difference]: Finished difference Result 429 states and 687 transitions. [2020-11-28 03:20:52,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:52,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-11-28 03:20:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:52,568 INFO L225 Difference]: With dead ends: 429 [2020-11-28 03:20:52,568 INFO L226 Difference]: Without dead ends: 238 [2020-11-28 03:20:52,569 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 [2020-11-28 03:20:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-28 03:20:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-11-28 03:20:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-11-28 03:20:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 383 transitions. [2020-11-28 03:20:52,587 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 383 transitions. Word has length 62 [2020-11-28 03:20:52,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:52,588 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 383 transitions. [2020-11-28 03:20:52,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 383 transitions. [2020-11-28 03:20:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 03:20:52,591 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:52,591 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] [2020-11-28 03:20:52,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:20:52,592 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -798470239, now seen corresponding path program 1 times [2020-11-28 03:20:52,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:52,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334030680] [2020-11-28 03:20:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 03:20:52,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334030680] [2020-11-28 03:20:52,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:52,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:52,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770697032] [2020-11-28 03:20:52,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:52,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:52,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:52,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:52,709 INFO L87 Difference]: Start difference. First operand 238 states and 383 transitions. Second operand 3 states. [2020-11-28 03:20:52,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:52,915 INFO L93 Difference]: Finished difference Result 491 states and 793 transitions. [2020-11-28 03:20:52,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:52,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-11-28 03:20:52,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:52,918 INFO L225 Difference]: With dead ends: 491 [2020-11-28 03:20:52,918 INFO L226 Difference]: Without dead ends: 260 [2020-11-28 03:20:52,919 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 [2020-11-28 03:20:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-28 03:20:52,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255. [2020-11-28 03:20:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-11-28 03:20:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 408 transitions. [2020-11-28 03:20:52,933 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 408 transitions. Word has length 77 [2020-11-28 03:20:52,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:52,933 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 408 transitions. [2020-11-28 03:20:52,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 408 transitions. [2020-11-28 03:20:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 03:20:52,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:52,935 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] [2020-11-28 03:20:52,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:20:52,936 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:52,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:52,938 INFO L82 PathProgramCache]: Analyzing trace with hash -343124468, now seen corresponding path program 1 times [2020-11-28 03:20:52,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:52,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634092511] [2020-11-28 03:20:52,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 03:20:53,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634092511] [2020-11-28 03:20:53,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:53,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:53,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958222029] [2020-11-28 03:20:53,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:53,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:53,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:53,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:53,039 INFO L87 Difference]: Start difference. First operand 255 states and 408 transitions. Second operand 3 states. [2020-11-28 03:20:53,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:53,226 INFO L93 Difference]: Finished difference Result 508 states and 813 transitions. [2020-11-28 03:20:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:53,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-11-28 03:20:53,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:53,229 INFO L225 Difference]: With dead ends: 508 [2020-11-28 03:20:53,229 INFO L226 Difference]: Without dead ends: 260 [2020-11-28 03:20:53,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-28 03:20:53,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255. [2020-11-28 03:20:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-11-28 03:20:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 403 transitions. [2020-11-28 03:20:53,242 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 403 transitions. Word has length 78 [2020-11-28 03:20:53,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:53,242 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 403 transitions. [2020-11-28 03:20:53,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2020-11-28 03:20:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-28 03:20:53,244 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:53,244 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] [2020-11-28 03:20:53,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:20:53,245 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:53,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1438380680, now seen corresponding path program 1 times [2020-11-28 03:20:53,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:53,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994896961] [2020-11-28 03:20:53,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-28 03:20:53,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994896961] [2020-11-28 03:20:53,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:53,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:53,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788257017] [2020-11-28 03:20:53,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:53,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:53,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:53,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:53,300 INFO L87 Difference]: Start difference. First operand 255 states and 403 transitions. Second operand 3 states. [2020-11-28 03:20:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:53,463 INFO L93 Difference]: Finished difference Result 521 states and 825 transitions. [2020-11-28 03:20:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:53,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-28 03:20:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:53,466 INFO L225 Difference]: With dead ends: 521 [2020-11-28 03:20:53,466 INFO L226 Difference]: Without dead ends: 273 [2020-11-28 03:20:53,466 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 [2020-11-28 03:20:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-11-28 03:20:53,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2020-11-28 03:20:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-28 03:20:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 423 transitions. [2020-11-28 03:20:53,477 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 423 transitions. Word has length 91 [2020-11-28 03:20:53,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:53,477 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 423 transitions. [2020-11-28 03:20:53,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 423 transitions. [2020-11-28 03:20:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-28 03:20:53,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:53,479 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] [2020-11-28 03:20:53,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:20:53,479 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:53,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:53,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1467225085, now seen corresponding path program 1 times [2020-11-28 03:20:53,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:53,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459160919] [2020-11-28 03:20:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-28 03:20:53,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459160919] [2020-11-28 03:20:53,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:53,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:53,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36505183] [2020-11-28 03:20:53,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:53,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:53,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:53,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:53,549 INFO L87 Difference]: Start difference. First operand 270 states and 423 transitions. Second operand 3 states. [2020-11-28 03:20:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:53,712 INFO L93 Difference]: Finished difference Result 536 states and 839 transitions. [2020-11-28 03:20:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:53,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-28 03:20:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:53,714 INFO L225 Difference]: With dead ends: 536 [2020-11-28 03:20:53,715 INFO L226 Difference]: Without dead ends: 273 [2020-11-28 03:20:53,715 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 [2020-11-28 03:20:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-11-28 03:20:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2020-11-28 03:20:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-28 03:20:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 417 transitions. [2020-11-28 03:20:53,726 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 417 transitions. Word has length 92 [2020-11-28 03:20:53,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:53,727 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 417 transitions. [2020-11-28 03:20:53,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 417 transitions. [2020-11-28 03:20:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-28 03:20:53,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:53,729 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] [2020-11-28 03:20:53,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:20:53,729 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash 65361595, now seen corresponding path program 1 times [2020-11-28 03:20:53,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:53,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35324138] [2020-11-28 03:20:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 03:20:53,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35324138] [2020-11-28 03:20:53,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:53,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:53,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609907375] [2020-11-28 03:20:53,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:53,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:53,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:53,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:53,789 INFO L87 Difference]: Start difference. First operand 270 states and 417 transitions. Second operand 3 states. [2020-11-28 03:20:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:53,990 INFO L93 Difference]: Finished difference Result 585 states and 911 transitions. [2020-11-28 03:20:53,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:53,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-28 03:20:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:53,992 INFO L225 Difference]: With dead ends: 585 [2020-11-28 03:20:53,993 INFO L226 Difference]: Without dead ends: 322 [2020-11-28 03:20:53,993 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 [2020-11-28 03:20:53,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-11-28 03:20:54,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 320. [2020-11-28 03:20:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-11-28 03:20:54,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 501 transitions. [2020-11-28 03:20:54,007 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 501 transitions. Word has length 98 [2020-11-28 03:20:54,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:54,007 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 501 transitions. [2020-11-28 03:20:54,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 501 transitions. [2020-11-28 03:20:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-28 03:20:54,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:54,009 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] [2020-11-28 03:20:54,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:20:54,009 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:54,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:54,010 INFO L82 PathProgramCache]: Analyzing trace with hash -629814544, now seen corresponding path program 1 times [2020-11-28 03:20:54,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:54,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210863231] [2020-11-28 03:20:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 03:20:54,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210863231] [2020-11-28 03:20:54,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:54,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:54,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692259450] [2020-11-28 03:20:54,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:54,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:54,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:54,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,069 INFO L87 Difference]: Start difference. First operand 320 states and 501 transitions. Second operand 3 states. [2020-11-28 03:20:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:54,279 INFO L93 Difference]: Finished difference Result 636 states and 995 transitions. [2020-11-28 03:20:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:54,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-28 03:20:54,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:54,282 INFO L225 Difference]: With dead ends: 636 [2020-11-28 03:20:54,282 INFO L226 Difference]: Without dead ends: 323 [2020-11-28 03:20:54,283 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 [2020-11-28 03:20:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-11-28 03:20:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2020-11-28 03:20:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-11-28 03:20:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 501 transitions. [2020-11-28 03:20:54,297 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 501 transitions. Word has length 99 [2020-11-28 03:20:54,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:54,298 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 501 transitions. [2020-11-28 03:20:54,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:54,298 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2020-11-28 03:20:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-28 03:20:54,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:54,300 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] [2020-11-28 03:20:54,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:20:54,300 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:54,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:54,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1976749000, now seen corresponding path program 1 times [2020-11-28 03:20:54,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:54,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094891838] [2020-11-28 03:20:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 03:20:54,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094891838] [2020-11-28 03:20:54,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:54,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:54,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721021906] [2020-11-28 03:20:54,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:54,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:54,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:54,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,376 INFO L87 Difference]: Start difference. First operand 321 states and 501 transitions. Second operand 3 states. [2020-11-28 03:20:54,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:54,429 INFO L93 Difference]: Finished difference Result 946 states and 1479 transitions. [2020-11-28 03:20:54,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:54,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-28 03:20:54,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:54,433 INFO L225 Difference]: With dead ends: 946 [2020-11-28 03:20:54,434 INFO L226 Difference]: Without dead ends: 632 [2020-11-28 03:20:54,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-11-28 03:20:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-11-28 03:20:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-11-28 03:20:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 983 transitions. [2020-11-28 03:20:54,464 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 983 transitions. Word has length 103 [2020-11-28 03:20:54,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:54,465 INFO L481 AbstractCegarLoop]: Abstraction has 632 states and 983 transitions. [2020-11-28 03:20:54,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 983 transitions. [2020-11-28 03:20:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-28 03:20:54,467 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:54,467 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] [2020-11-28 03:20:54,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:20:54,467 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:54,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -102965200, now seen corresponding path program 1 times [2020-11-28 03:20:54,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:54,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874195210] [2020-11-28 03:20:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-28 03:20:54,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874195210] [2020-11-28 03:20:54,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:54,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:54,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691809176] [2020-11-28 03:20:54,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:54,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:54,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:54,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,518 INFO L87 Difference]: Start difference. First operand 632 states and 983 transitions. Second operand 3 states. [2020-11-28 03:20:54,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:54,572 INFO L93 Difference]: Finished difference Result 1545 states and 2407 transitions. [2020-11-28 03:20:54,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:54,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-28 03:20:54,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:54,579 INFO L225 Difference]: With dead ends: 1545 [2020-11-28 03:20:54,579 INFO L226 Difference]: Without dead ends: 920 [2020-11-28 03:20:54,582 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 [2020-11-28 03:20:54,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-11-28 03:20:54,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-11-28 03:20:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-11-28 03:20:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1430 transitions. [2020-11-28 03:20:54,617 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1430 transitions. Word has length 104 [2020-11-28 03:20:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:54,617 INFO L481 AbstractCegarLoop]: Abstraction has 920 states and 1430 transitions. [2020-11-28 03:20:54,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:54,618 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1430 transitions. [2020-11-28 03:20:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-28 03:20:54,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:54,620 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] [2020-11-28 03:20:54,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:20:54,620 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:54,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash 736068462, now seen corresponding path program 1 times [2020-11-28 03:20:54,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:54,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330977726] [2020-11-28 03:20:54,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-28 03:20:54,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330977726] [2020-11-28 03:20:54,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:54,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:54,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366560228] [2020-11-28 03:20:54,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:54,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:54,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,668 INFO L87 Difference]: Start difference. First operand 920 states and 1430 transitions. Second operand 3 states. [2020-11-28 03:20:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:54,739 INFO L93 Difference]: Finished difference Result 2126 states and 3307 transitions. [2020-11-28 03:20:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:54,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-28 03:20:54,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:54,746 INFO L225 Difference]: With dead ends: 2126 [2020-11-28 03:20:54,746 INFO L226 Difference]: Without dead ends: 1213 [2020-11-28 03:20:54,748 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 [2020-11-28 03:20:54,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-11-28 03:20:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2020-11-28 03:20:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-11-28 03:20:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1882 transitions. [2020-11-28 03:20:54,794 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1882 transitions. Word has length 104 [2020-11-28 03:20:54,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:54,794 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1882 transitions. [2020-11-28 03:20:54,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1882 transitions. [2020-11-28 03:20:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 03:20:54,797 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:54,797 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] [2020-11-28 03:20:54,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-28 03:20:54,798 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:54,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:54,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1108389378, now seen corresponding path program 1 times [2020-11-28 03:20:54,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:54,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188302588] [2020-11-28 03:20:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-28 03:20:54,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188302588] [2020-11-28 03:20:54,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:54,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:54,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465665111] [2020-11-28 03:20:54,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:54,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,846 INFO L87 Difference]: Start difference. First operand 1213 states and 1882 transitions. Second operand 3 states. [2020-11-28 03:20:54,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:54,912 INFO L93 Difference]: Finished difference Result 1527 states and 2372 transitions. [2020-11-28 03:20:54,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:54,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-28 03:20:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:54,923 INFO L225 Difference]: With dead ends: 1527 [2020-11-28 03:20:54,923 INFO L226 Difference]: Without dead ends: 1525 [2020-11-28 03:20:54,924 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 [2020-11-28 03:20:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2020-11-28 03:20:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1525. [2020-11-28 03:20:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2020-11-28 03:20:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2370 transitions. [2020-11-28 03:20:55,008 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2370 transitions. Word has length 105 [2020-11-28 03:20:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:55,008 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2370 transitions. [2020-11-28 03:20:55,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2370 transitions. [2020-11-28 03:20:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-28 03:20:55,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:55,013 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] [2020-11-28 03:20:55,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-28 03:20:55,013 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:55,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1421844536, now seen corresponding path program 1 times [2020-11-28 03:20:55,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447117432] [2020-11-28 03:20:55,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-28 03:20:55,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447117432] [2020-11-28 03:20:55,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:55,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563511258] [2020-11-28 03:20:55,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:55,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:55,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:55,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:55,077 INFO L87 Difference]: Start difference. First operand 1525 states and 2370 transitions. Second operand 3 states. [2020-11-28 03:20:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:55,329 INFO L93 Difference]: Finished difference Result 3046 states and 4721 transitions. [2020-11-28 03:20:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:55,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-11-28 03:20:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:55,338 INFO L225 Difference]: With dead ends: 3046 [2020-11-28 03:20:55,339 INFO L226 Difference]: Without dead ends: 1399 [2020-11-28 03:20:55,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-11-28 03:20:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1351. [2020-11-28 03:20:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-11-28 03:20:55,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1958 transitions. [2020-11-28 03:20:55,402 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1958 transitions. Word has length 165 [2020-11-28 03:20:55,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:55,403 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1958 transitions. [2020-11-28 03:20:55,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1958 transitions. [2020-11-28 03:20:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-28 03:20:55,407 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:55,407 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] [2020-11-28 03:20:55,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-28 03:20:55,408 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:55,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1914338519, now seen corresponding path program 1 times [2020-11-28 03:20:55,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016001926] [2020-11-28 03:20:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-28 03:20:55,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016001926] [2020-11-28 03:20:55,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:55,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103844297] [2020-11-28 03:20:55,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:55,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:55,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:55,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:55,467 INFO L87 Difference]: Start difference. First operand 1351 states and 1958 transitions. Second operand 3 states. [2020-11-28 03:20:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:55,703 INFO L93 Difference]: Finished difference Result 2442 states and 3531 transitions. [2020-11-28 03:20:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:55,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-28 03:20:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:55,712 INFO L225 Difference]: With dead ends: 2442 [2020-11-28 03:20:55,712 INFO L226 Difference]: Without dead ends: 1383 [2020-11-28 03:20:55,714 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 [2020-11-28 03:20:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-11-28 03:20:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1351. [2020-11-28 03:20:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-11-28 03:20:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1926 transitions. [2020-11-28 03:20:55,765 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1926 transitions. Word has length 166 [2020-11-28 03:20:55,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:55,765 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1926 transitions. [2020-11-28 03:20:55,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1926 transitions. [2020-11-28 03:20:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-28 03:20:55,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:55,770 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] [2020-11-28 03:20:55,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-28 03:20:55,770 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:55,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,771 INFO L82 PathProgramCache]: Analyzing trace with hash -408594384, now seen corresponding path program 1 times [2020-11-28 03:20:55,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796185894] [2020-11-28 03:20:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-11-28 03:20:55,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796185894] [2020-11-28 03:20:55,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:55,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201402174] [2020-11-28 03:20:55,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:55,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:55,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:55,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:55,835 INFO L87 Difference]: Start difference. First operand 1351 states and 1926 transitions. Second operand 3 states. [2020-11-28 03:20:56,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:56,103 INFO L93 Difference]: Finished difference Result 2813 states and 4019 transitions. [2020-11-28 03:20:56,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:56,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-28 03:20:56,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:56,112 INFO L225 Difference]: With dead ends: 2813 [2020-11-28 03:20:56,112 INFO L226 Difference]: Without dead ends: 1401 [2020-11-28 03:20:56,114 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 [2020-11-28 03:20:56,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2020-11-28 03:20:56,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1351. [2020-11-28 03:20:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-11-28 03:20:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1910 transitions. [2020-11-28 03:20:56,166 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1910 transitions. Word has length 185 [2020-11-28 03:20:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:56,167 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 1910 transitions. [2020-11-28 03:20:56,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1910 transitions. [2020-11-28 03:20:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-28 03:20:56,172 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:56,172 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] [2020-11-28 03:20:56,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-28 03:20:56,172 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:56,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:56,173 INFO L82 PathProgramCache]: Analyzing trace with hash -585141096, now seen corresponding path program 1 times [2020-11-28 03:20:56,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:56,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970482452] [2020-11-28 03:20:56,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 03:20:56,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970482452] [2020-11-28 03:20:56,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:56,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:56,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042707600] [2020-11-28 03:20:56,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:56,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:56,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:56,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:56,257 INFO L87 Difference]: Start difference. First operand 1351 states and 1910 transitions. Second operand 3 states. [2020-11-28 03:20:56,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:56,513 INFO L93 Difference]: Finished difference Result 2903 states and 4113 transitions. [2020-11-28 03:20:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:56,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-28 03:20:56,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:56,522 INFO L225 Difference]: With dead ends: 2903 [2020-11-28 03:20:56,522 INFO L226 Difference]: Without dead ends: 1499 [2020-11-28 03:20:56,524 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 [2020-11-28 03:20:56,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-11-28 03:20:56,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1451. [2020-11-28 03:20:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2020-11-28 03:20:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2030 transitions. [2020-11-28 03:20:56,579 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2030 transitions. Word has length 206 [2020-11-28 03:20:56,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:56,579 INFO L481 AbstractCegarLoop]: Abstraction has 1451 states and 2030 transitions. [2020-11-28 03:20:56,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2030 transitions. [2020-11-28 03:20:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-28 03:20:56,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:56,585 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] [2020-11-28 03:20:56,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-28 03:20:56,585 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:56,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:56,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2110600453, now seen corresponding path program 1 times [2020-11-28 03:20:56,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:56,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386595835] [2020-11-28 03:20:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-28 03:20:56,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386595835] [2020-11-28 03:20:56,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:56,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:56,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098756255] [2020-11-28 03:20:56,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:56,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:56,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:56,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:56,724 INFO L87 Difference]: Start difference. First operand 1451 states and 2030 transitions. Second operand 3 states. [2020-11-28 03:20:57,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:57,006 INFO L93 Difference]: Finished difference Result 3103 states and 4349 transitions. [2020-11-28 03:20:57,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:57,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-11-28 03:20:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:57,016 INFO L225 Difference]: With dead ends: 3103 [2020-11-28 03:20:57,016 INFO L226 Difference]: Without dead ends: 1607 [2020-11-28 03:20:57,019 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 [2020-11-28 03:20:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-11-28 03:20:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1563. [2020-11-28 03:20:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2020-11-28 03:20:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2170 transitions. [2020-11-28 03:20:57,097 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2170 transitions. Word has length 230 [2020-11-28 03:20:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:57,097 INFO L481 AbstractCegarLoop]: Abstraction has 1563 states and 2170 transitions. [2020-11-28 03:20:57,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2170 transitions. [2020-11-28 03:20:57,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-28 03:20:57,103 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:57,103 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] [2020-11-28 03:20:57,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-28 03:20:57,103 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:57,105 INFO L82 PathProgramCache]: Analyzing trace with hash 77206407, now seen corresponding path program 1 times [2020-11-28 03:20:57,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:57,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612931492] [2020-11-28 03:20:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-28 03:20:57,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612931492] [2020-11-28 03:20:57,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:57,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:57,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636615264] [2020-11-28 03:20:57,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:57,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:57,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:57,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:57,192 INFO L87 Difference]: Start difference. First operand 1563 states and 2170 transitions. Second operand 3 states. [2020-11-28 03:20:57,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:57,460 INFO L93 Difference]: Finished difference Result 3327 states and 4633 transitions. [2020-11-28 03:20:57,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:57,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-11-28 03:20:57,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:57,471 INFO L225 Difference]: With dead ends: 3327 [2020-11-28 03:20:57,471 INFO L226 Difference]: Without dead ends: 1735 [2020-11-28 03:20:57,473 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 [2020-11-28 03:20:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2020-11-28 03:20:57,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1687. [2020-11-28 03:20:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-11-28 03:20:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2338 transitions. [2020-11-28 03:20:57,538 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2338 transitions. Word has length 230 [2020-11-28 03:20:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:57,539 INFO L481 AbstractCegarLoop]: Abstraction has 1687 states and 2338 transitions. [2020-11-28 03:20:57,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2338 transitions. [2020-11-28 03:20:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-11-28 03:20:57,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:57,545 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] [2020-11-28 03:20:57,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-28 03:20:57,545 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:57,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1837554521, now seen corresponding path program 1 times [2020-11-28 03:20:57,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:57,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418653760] [2020-11-28 03:20:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-11-28 03:20:57,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418653760] [2020-11-28 03:20:57,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:57,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:57,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921593629] [2020-11-28 03:20:57,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:57,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:57,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:57,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:57,670 INFO L87 Difference]: Start difference. First operand 1687 states and 2338 transitions. Second operand 3 states. [2020-11-28 03:20:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:57,931 INFO L93 Difference]: Finished difference Result 3571 states and 4961 transitions. [2020-11-28 03:20:57,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:57,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2020-11-28 03:20:57,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:57,943 INFO L225 Difference]: With dead ends: 3571 [2020-11-28 03:20:57,943 INFO L226 Difference]: Without dead ends: 1871 [2020-11-28 03:20:57,947 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 [2020-11-28 03:20:57,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-11-28 03:20:58,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1827. [2020-11-28 03:20:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2020-11-28 03:20:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2538 transitions. [2020-11-28 03:20:58,016 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2538 transitions. Word has length 260 [2020-11-28 03:20:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:58,017 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2538 transitions. [2020-11-28 03:20:58,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2538 transitions. [2020-11-28 03:20:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-11-28 03:20:58,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:58,025 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] [2020-11-28 03:20:58,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-28 03:20:58,025 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:58,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:58,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1040904442, now seen corresponding path program 1 times [2020-11-28 03:20:58,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:58,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684606015] [2020-11-28 03:20:58,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-11-28 03:20:58,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684606015] [2020-11-28 03:20:58,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:58,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:58,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271320762] [2020-11-28 03:20:58,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:58,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:58,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:58,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:58,190 INFO L87 Difference]: Start difference. First operand 1827 states and 2538 transitions. Second operand 3 states. [2020-11-28 03:20:58,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:58,459 INFO L93 Difference]: Finished difference Result 3703 states and 5133 transitions. [2020-11-28 03:20:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:58,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-11-28 03:20:58,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:58,471 INFO L225 Difference]: With dead ends: 3703 [2020-11-28 03:20:58,471 INFO L226 Difference]: Without dead ends: 1871 [2020-11-28 03:20:58,474 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 [2020-11-28 03:20:58,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-11-28 03:20:58,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1827. [2020-11-28 03:20:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2020-11-28 03:20:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2522 transitions. [2020-11-28 03:20:58,559 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2522 transitions. Word has length 295 [2020-11-28 03:20:58,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:58,560 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2522 transitions. [2020-11-28 03:20:58,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2522 transitions. [2020-11-28 03:20:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-28 03:20:58,568 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:58,568 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] [2020-11-28 03:20:58,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-28 03:20:58,569 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:58,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:58,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1729384344, now seen corresponding path program 1 times [2020-11-28 03:20:58,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:58,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073498401] [2020-11-28 03:20:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-28 03:20:58,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073498401] [2020-11-28 03:20:58,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:58,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:58,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306520377] [2020-11-28 03:20:58,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:58,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:58,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:58,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:58,720 INFO L87 Difference]: Start difference. First operand 1827 states and 2522 transitions. Second operand 3 states. [2020-11-28 03:20:58,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:58,986 INFO L93 Difference]: Finished difference Result 3254 states and 4488 transitions. [2020-11-28 03:20:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:58,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-11-28 03:20:58,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:58,997 INFO L225 Difference]: With dead ends: 3254 [2020-11-28 03:20:58,998 INFO L226 Difference]: Without dead ends: 1838 [2020-11-28 03:20:59,000 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 [2020-11-28 03:20:59,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-28 03:20:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1802. [2020-11-28 03:20:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-11-28 03:20:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2456 transitions. [2020-11-28 03:20:59,070 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2456 transitions. Word has length 332 [2020-11-28 03:20:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:59,070 INFO L481 AbstractCegarLoop]: Abstraction has 1802 states and 2456 transitions. [2020-11-28 03:20:59,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2456 transitions. [2020-11-28 03:20:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-11-28 03:20:59,079 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:59,079 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] [2020-11-28 03:20:59,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-28 03:20:59,080 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1837144220, now seen corresponding path program 1 times [2020-11-28 03:20:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:59,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660980473] [2020-11-28 03:20:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2020-11-28 03:20:59,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660980473] [2020-11-28 03:20:59,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:59,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:59,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361968481] [2020-11-28 03:20:59,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:59,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:59,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:59,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:59,292 INFO L87 Difference]: Start difference. First operand 1802 states and 2456 transitions. Second operand 3 states. [2020-11-28 03:20:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:59,362 INFO L93 Difference]: Finished difference Result 5132 states and 6978 transitions. [2020-11-28 03:20:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:59,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2020-11-28 03:20:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:59,402 INFO L225 Difference]: With dead ends: 5132 [2020-11-28 03:20:59,402 INFO L226 Difference]: Without dead ends: 3337 [2020-11-28 03:20:59,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:59,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2020-11-28 03:20:59,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3335. [2020-11-28 03:20:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3335 states. [2020-11-28 03:20:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 3335 states and 4520 transitions. [2020-11-28 03:20:59,510 INFO L78 Accepts]: Start accepts. Automaton has 3335 states and 4520 transitions. Word has length 333 [2020-11-28 03:20:59,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:59,511 INFO L481 AbstractCegarLoop]: Abstraction has 3335 states and 4520 transitions. [2020-11-28 03:20:59,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 4520 transitions. [2020-11-28 03:20:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-11-28 03:20:59,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:59,521 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] [2020-11-28 03:20:59,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-28 03:20:59,522 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:59,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1564055932, now seen corresponding path program 1 times [2020-11-28 03:20:59,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:59,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294515954] [2020-11-28 03:20:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-11-28 03:20:59,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294515954] [2020-11-28 03:20:59,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125322152] [2020-11-28 03:20:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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 [2020-11-28 03:20:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:59,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:21:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-11-28 03:21:00,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:21:00,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 03:21:00,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116408993] [2020-11-28 03:21:00,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:00,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:00,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:00,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:00,234 INFO L87 Difference]: Start difference. First operand 3335 states and 4520 transitions. Second operand 4 states. [2020-11-28 03:21:00,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:00,935 INFO L93 Difference]: Finished difference Result 7733 states and 10423 transitions. [2020-11-28 03:21:00,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:21:00,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2020-11-28 03:21:00,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:00,947 INFO L225 Difference]: With dead ends: 7733 [2020-11-28 03:21:00,947 INFO L226 Difference]: Without dead ends: 4401 [2020-11-28 03:21:00,952 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 [2020-11-28 03:21:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2020-11-28 03:21:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 3330. [2020-11-28 03:21:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3330 states. [2020-11-28 03:21:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 3330 states and 4359 transitions. [2020-11-28 03:21:01,124 INFO L78 Accepts]: Start accepts. Automaton has 3330 states and 4359 transitions. Word has length 343 [2020-11-28 03:21:01,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:01,125 INFO L481 AbstractCegarLoop]: Abstraction has 3330 states and 4359 transitions. [2020-11-28 03:21:01,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 4359 transitions. [2020-11-28 03:21:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-11-28 03:21:01,135 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:01,136 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] [2020-11-28 03:21:01,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-28 03:21:01,363 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:01,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:01,363 INFO L82 PathProgramCache]: Analyzing trace with hash 61848643, now seen corresponding path program 1 times [2020-11-28 03:21:01,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:01,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293411920] [2020-11-28 03:21:01,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-28 03:21:01,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293411920] [2020-11-28 03:21:01,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586852604] [2020-11-28 03:21:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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 [2020-11-28 03:21:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:01,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:21:01,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-28 03:21:01,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:21:01,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 03:21:01,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045972047] [2020-11-28 03:21:01,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:01,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:01,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:01,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:01,924 INFO L87 Difference]: Start difference. First operand 3330 states and 4359 transitions. Second operand 4 states. [2020-11-28 03:21:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:02,377 INFO L93 Difference]: Finished difference Result 7693 states and 10068 transitions. [2020-11-28 03:21:02,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:02,377 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2020-11-28 03:21:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:02,389 INFO L225 Difference]: With dead ends: 7693 [2020-11-28 03:21:02,390 INFO L226 Difference]: Without dead ends: 4361 [2020-11-28 03:21:02,395 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 [2020-11-28 03:21:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2020-11-28 03:21:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 3344. [2020-11-28 03:21:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2020-11-28 03:21:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4329 transitions. [2020-11-28 03:21:02,521 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4329 transitions. Word has length 369 [2020-11-28 03:21:02,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:02,522 INFO L481 AbstractCegarLoop]: Abstraction has 3344 states and 4329 transitions. [2020-11-28 03:21:02,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4329 transitions. [2020-11-28 03:21:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-11-28 03:21:02,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:02,536 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] [2020-11-28 03:21:02,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-11-28 03:21:02,751 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:02,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:02,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1613450848, now seen corresponding path program 1 times [2020-11-28 03:21:02,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:02,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201245864] [2020-11-28 03:21:02,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2020-11-28 03:21:03,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201245864] [2020-11-28 03:21:03,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:03,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:03,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696537108] [2020-11-28 03:21:03,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:03,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:03,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:03,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:03,032 INFO L87 Difference]: Start difference. First operand 3344 states and 4329 transitions. Second operand 3 states. [2020-11-28 03:21:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:03,243 INFO L93 Difference]: Finished difference Result 5721 states and 7412 transitions. [2020-11-28 03:21:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:03,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2020-11-28 03:21:03,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:03,248 INFO L225 Difference]: With dead ends: 5721 [2020-11-28 03:21:03,248 INFO L226 Difference]: Without dead ends: 1754 [2020-11-28 03:21:03,253 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 [2020-11-28 03:21:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2020-11-28 03:21:03,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1754. [2020-11-28 03:21:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1754 states. [2020-11-28 03:21:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2289 transitions. [2020-11-28 03:21:03,329 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2289 transitions. Word has length 408 [2020-11-28 03:21:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:03,330 INFO L481 AbstractCegarLoop]: Abstraction has 1754 states and 2289 transitions. [2020-11-28 03:21:03,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2289 transitions. [2020-11-28 03:21:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-11-28 03:21:03,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:03,345 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] [2020-11-28 03:21:03,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-28 03:21:03,345 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:03,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:03,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1952423320, now seen corresponding path program 1 times [2020-11-28 03:21:03,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:03,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552884393] [2020-11-28 03:21:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-11-28 03:21:03,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552884393] [2020-11-28 03:21:03,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516815794] [2020-11-28 03:21:03,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/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 [2020-11-28 03:21:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:21:03,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2020-11-28 03:21:03,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:21:03,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 03:21:03,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440981369] [2020-11-28 03:21:03,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:03,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:03,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:03,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:03,997 INFO L87 Difference]: Start difference. First operand 1754 states and 2289 transitions. Second operand 4 states. [2020-11-28 03:21:04,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:04,287 INFO L93 Difference]: Finished difference Result 2326 states and 3061 transitions. [2020-11-28 03:21:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:04,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 492 [2020-11-28 03:21:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:04,289 INFO L225 Difference]: With dead ends: 2326 [2020-11-28 03:21:04,289 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:21:04,292 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 [2020-11-28 03:21:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:21:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:21:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:21:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:21:04,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 492 [2020-11-28 03:21:04,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:04,293 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:04,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:21:04,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:21:04,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:04,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:21:05,230 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 127 [2020-11-28 03:21:05,921 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-11-28 03:21:06,371 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-11-28 03:21:06,506 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 14 [2020-11-28 03:21:06,728 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 18 [2020-11-28 03:21:07,142 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2020-11-28 03:21:08,853 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2020-11-28 03:21:09,232 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2020-11-28 03:21:09,668 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-11-28 03:21:09,918 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-11-28 03:21:10,138 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-11-28 03:21:10,417 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2020-11-28 03:21:10,724 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-11-28 03:21:10,856 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 17 [2020-11-28 03:21:10,910 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))) [2020-11-28 03:21:10,910 INFO L274 CegarLoopResult]: For program point L168(lines 168 543) no Hoare annotation was computed. [2020-11-28 03:21:10,910 INFO L274 CegarLoopResult]: For program point L135(lines 135 554) no Hoare annotation was computed. [2020-11-28 03:21:10,910 INFO L274 CegarLoopResult]: For program point L102(lines 102 565) no Hoare annotation was computed. [2020-11-28 03:21:10,910 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L277 CegarLoopResult]: At program point L598(lines 95 599) the Hoare annotation is: true [2020-11-28 03:21:10,913 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)) [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L368-2(lines 368 372) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L567(lines 567 595) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L171(lines 171 542) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L138(lines 138 553) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L105(lines 105 564) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L568(lines 568 592) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L502-1(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,913 INFO L274 CegarLoopResult]: For program point L337(lines 337 342) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L304-1(lines 304 318) no Hoare annotation was computed. [2020-11-28 03:21:10,914 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))) [2020-11-28 03:21:10,914 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))) [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L569(lines 569 578) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L602-2(lines 602 606) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L569-2(lines 568 590) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L174(lines 174 541) no Hoare annotation was computed. [2020-11-28 03:21:10,914 INFO L274 CegarLoopResult]: For program point L141(lines 141 552) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L108(lines 108 563) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L439(lines 439 444) no Hoare annotation was computed. [2020-11-28 03:21:10,915 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)) [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L76(lines 76 84) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L308-2(lines 306 318) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L507-1(lines 507 511) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L177(lines 177 540) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L144(lines 144 551) no Hoare annotation was computed. [2020-11-28 03:21:10,915 INFO L274 CegarLoopResult]: For program point L210-2(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L111(lines 111 562) no Hoare annotation was computed. [2020-11-28 03:21:10,916 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))) [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L79-2(lines 76 84) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L277 CegarLoopResult]: At program point L609(lines 9 611) the Hoare annotation is: true [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L246(lines 246 251) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L180(lines 180 539) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L147(lines 147 550) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L114(lines 114 561) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2020-11-28 03:21:10,916 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2020-11-28 03:21:10,917 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))) [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L270 CegarLoopResult]: At program point L348(lines 62 610) the Hoare annotation is: false [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L183(lines 183 538) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L150(lines 150 549) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L117(lines 117 560) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-11-28 03:21:10,917 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2020-11-28 03:21:10,918 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))) [2020-11-28 03:21:10,918 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))) [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L284-2(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L86(lines 86 94) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L186(lines 186 537) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L153(lines 153 548) no Hoare annotation was computed. [2020-11-28 03:21:10,918 INFO L274 CegarLoopResult]: For program point L120(lines 120 559) no Hoare annotation was computed. [2020-11-28 03:21:10,921 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-11-28 03:21:10,921 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L486-1(lines 486 498) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L189(lines 189 536) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L156(lines 156 547) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L222-2(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point L123(lines 123 558) no Hoare annotation was computed. [2020-11-28 03:21:10,922 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:21:10,923 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))) [2020-11-28 03:21:10,923 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))) [2020-11-28 03:21:10,923 INFO L277 CegarLoopResult]: At program point L620(lines 612 622) the Hoare annotation is: true [2020-11-28 03:21:10,923 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-11-28 03:21:10,924 INFO L274 CegarLoopResult]: For program point L224(lines 224 229) no Hoare annotation was computed. [2020-11-28 03:21:10,924 INFO L274 CegarLoopResult]: For program point L489(lines 489 494) no Hoare annotation was computed. [2020-11-28 03:21:10,924 INFO L274 CegarLoopResult]: For program point L456(lines 456 467) no Hoare annotation was computed. [2020-11-28 03:21:10,926 INFO L274 CegarLoopResult]: For program point L456-1(lines 456 467) no Hoare annotation was computed. [2020-11-28 03:21:10,926 INFO L274 CegarLoopResult]: For program point L192(lines 192 535) no Hoare annotation was computed. [2020-11-28 03:21:10,926 INFO L274 CegarLoopResult]: For program point L159(lines 159 546) no Hoare annotation was computed. [2020-11-28 03:21:10,926 INFO L274 CegarLoopResult]: For program point L126(lines 126 557) no Hoare annotation was computed. [2020-11-28 03:21:10,927 INFO L274 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-11-28 03:21:10,927 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-11-28 03:21:10,927 INFO L274 CegarLoopResult]: For program point L325-2(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,927 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))) [2020-11-28 03:21:10,927 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))) [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L260-2(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L195(lines 195 534) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L162(lines 162 545) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L129(lines 129 556) no Hoare annotation was computed. [2020-11-28 03:21:10,928 INFO L274 CegarLoopResult]: For program point L96-1(lines 62 610) no Hoare annotation was computed. [2020-11-28 03:21:10,929 INFO L274 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-11-28 03:21:10,929 INFO L274 CegarLoopResult]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2020-11-28 03:21:10,929 INFO L270 CegarLoopResult]: At program point L196(lines 195 534) the Hoare annotation is: (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-11-28 03:21:10,929 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))) [2020-11-28 03:21:10,929 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-28 03:21:10,929 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-11-28 03:21:10,929 INFO L274 CegarLoopResult]: For program point L428-2(lines 200 530) no Hoare annotation was computed. [2020-11-28 03:21:10,930 INFO L274 CegarLoopResult]: For program point L230(lines 230 235) no Hoare annotation was computed. [2020-11-28 03:21:10,930 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:21:10,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:21:10,930 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-11-28 03:21:10,930 INFO L274 CegarLoopResult]: For program point L165(lines 165 544) no Hoare annotation was computed. [2020-11-28 03:21:10,930 INFO L274 CegarLoopResult]: For program point L132(lines 132 555) no Hoare annotation was computed. [2020-11-28 03:21:10,931 INFO L274 CegarLoopResult]: For program point L99(lines 99 566) no Hoare annotation was computed. [2020-11-28 03:21:10,931 INFO L274 CegarLoopResult]: For program point L397(lines 397 402) no Hoare annotation was computed. [2020-11-28 03:21:10,931 INFO L274 CegarLoopResult]: For program point L397-2(lines 397 402) no Hoare annotation was computed. [2020-11-28 03:21:10,931 INFO L270 CegarLoopResult]: At program point L199(lines 198 533) the Hoare annotation is: (not (= 4432 ULTIMATE.start_ssl3_connect_~s__state~0)) [2020-11-28 03:21:10,931 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))) [2020-11-28 03:21:10,931 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)) [2020-11-28 03:21:10,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:10 BoogieIcfgContainer [2020-11-28 03:21:10,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:21:10,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:10,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:10,999 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:10,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49" (3/4) ... [2020-11-28 03:21:11,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:21:11,032 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:21:11,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:21:11,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:11,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:11,177 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1cb9bc3b-1422-4dc3-a3f9-25c6dddd5813/bin/uautomizer/witness.graphml [2020-11-28 03:21:11,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:11,178 INFO L168 Benchmark]: Toolchain (without parser) took 23272.54 ms. Allocated memory was 92.3 MB in the beginning and 889.2 MB in the end (delta: 796.9 MB). Free memory was 57.5 MB in the beginning and 818.2 MB in the end (delta: -760.7 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,179 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:11,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.27 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 65.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.90 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 63.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,180 INFO L168 Benchmark]: Boogie Preprocessor took 34.05 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 60.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,180 INFO L168 Benchmark]: RCFGBuilder took 848.18 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 51.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,181 INFO L168 Benchmark]: TraceAbstraction took 21767.31 ms. Allocated memory was 92.3 MB in the beginning and 889.2 MB in the end (delta: 796.9 MB). Free memory was 50.6 MB in the beginning and 828.7 MB in the end (delta: -778.1 MB). Peak memory consumption was 498.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,182 INFO L168 Benchmark]: Witness Printer took 179.32 ms. Allocated memory is still 889.2 MB. Free memory was 828.7 MB in the beginning and 818.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:11,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.27 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 65.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.90 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 63.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.05 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 60.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 848.18 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 51.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21767.31 ms. Allocated memory was 92.3 MB in the beginning and 889.2 MB in the end (delta: 796.9 MB). Free memory was 50.6 MB in the beginning and 828.7 MB in the end (delta: -778.1 MB). Peak memory consumption was 498.0 MB. Max. memory is 16.1 GB. * Witness Printer took 179.32 ms. Allocated memory is still 889.2 MB. Free memory was 828.7 MB in the beginning and 818.2 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: 15.2s, OverallIterations: 31, TraceHistogramMax: 19, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4814 SDtfs, 3546 SDslu, 2055 SDs, 0 SdLazy, 2804 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s 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: 1.5s AutomataMinimizationTime, 31 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 151 NumberOfFragments, 1533 HoareAnnotationTreeSize, 22 FomulaSimplifications, 188017 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 36666 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s 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...