./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa --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 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:15:30,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:15:30,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:15:30,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:15:30,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:15:30,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:15:30,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:15:30,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:15:30,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:15:30,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:15:30,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:15:30,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:15:30,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:15:30,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:15:30,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:15:30,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:15:30,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:15:30,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:15:30,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:15:30,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:15:30,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:15:30,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:15:30,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:15:30,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:15:30,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:15:30,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:15:30,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:15:30,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:15:30,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:15:30,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:15:30,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:15:30,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:15:30,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:15:30,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:15:30,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:15:30,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:15:30,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:15:30,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:15:30,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:15:30,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:15:30,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:15:30,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:15:30,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:15:30,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:15:30,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:15:30,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:15:30,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:15:30,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:15:30,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:15:30,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:15:30,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:15:30,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:15:30,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:15:30,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:15:30,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:15:30,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:15:30,360 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_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf [2021-12-06 23:15:30,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:15:30,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:15:30,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:15:30,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:15:30,552 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:15:30,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-06 23:15:30,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/db42ffb35/3c624b67ed2a44a7a6da60ced4811669/FLAGc86a4cf5b [2021-12-06 23:15:31,078 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:15:31,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-06 23:15:31,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/db42ffb35/3c624b67ed2a44a7a6da60ced4811669/FLAGc86a4cf5b [2021-12-06 23:15:31,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/db42ffb35/3c624b67ed2a44a7a6da60ced4811669 [2021-12-06 23:15:31,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:15:31,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:15:31,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:15:31,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:15:31,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:15:31,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ccac0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31, skipping insertion in model container [2021-12-06 23:15:31,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:15:31,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:15:31,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-06 23:15:31,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:15:31,444 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:15:31,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-06 23:15:31,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:15:31,536 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:15:31,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31 WrapperNode [2021-12-06 23:15:31,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:15:31,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:15:31,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:15:31,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:15:31,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,591 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-12-06 23:15:31,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:15:31,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:15:31,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:15:31,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:15:31,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:15:31,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:15:31,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:15:31,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:15:31,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (1/1) ... [2021-12-06 23:15:31,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:15:31,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:15:31,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:15:31,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:15:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:15:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:15:31,826 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:15:31,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:15:31,849 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 23:15:34,414 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-06 23:15:34,415 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-06 23:15:34,415 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:15:34,423 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:15:34,424 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:15:34,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:15:34 BoogieIcfgContainer [2021-12-06 23:15:34,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:15:34,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:15:34,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:15:34,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:15:34,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:15:31" (1/3) ... [2021-12-06 23:15:34,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318cb2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:15:34, skipping insertion in model container [2021-12-06 23:15:34,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:15:31" (2/3) ... [2021-12-06 23:15:34,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318cb2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:15:34, skipping insertion in model container [2021-12-06 23:15:34,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:15:34" (3/3) ... [2021-12-06 23:15:34,434 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.02.i.cil-1.c [2021-12-06 23:15:34,439 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:15:34,439 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:15:34,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:15:34,481 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:15:34,481 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:15:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:15:34,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:34,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:15:34,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:34,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:34,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-12-06 23:15:34,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:34,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389162807] [2021-12-06 23:15:34,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:34,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:34,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:34,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389162807] [2021-12-06 23:15:34,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389162807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:34,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:34,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:34,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172081701] [2021-12-06 23:15:34,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:34,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:34,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:34,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:34,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:34,968 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:36,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:37,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:37,068 INFO L93 Difference]: Finished difference Result 406 states and 687 transitions. [2021-12-06 23:15:37,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:37,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-12-06 23:15:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:37,079 INFO L225 Difference]: With dead ends: 406 [2021-12-06 23:15:37,079 INFO L226 Difference]: Without dead ends: 246 [2021-12-06 23:15:37,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:37,084 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 142 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:37,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 411 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 23:15:37,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-12-06 23:15:37,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 175. [2021-12-06 23:15:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.6091954022988506) internal successors, (280), 174 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 280 transitions. [2021-12-06 23:15:37,119 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 280 transitions. Word has length 47 [2021-12-06 23:15:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:37,120 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 280 transitions. [2021-12-06 23:15:37,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2021-12-06 23:15:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-06 23:15:37,122 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:37,122 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:15:37,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:15:37,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:37,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1376829262, now seen corresponding path program 1 times [2021-12-06 23:15:37,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:37,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172146933] [2021-12-06 23:15:37,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:37,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:37,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:37,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172146933] [2021-12-06 23:15:37,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172146933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:37,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:37,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:37,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145876537] [2021-12-06 23:15:37,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:37,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:37,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:37,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:37,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:37,253 INFO L87 Difference]: Start difference. First operand 175 states and 280 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:39,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:39,483 INFO L93 Difference]: Finished difference Result 368 states and 587 transitions. [2021-12-06 23:15:39,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:39,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-12-06 23:15:39,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:39,485 INFO L225 Difference]: With dead ends: 368 [2021-12-06 23:15:39,485 INFO L226 Difference]: Without dead ends: 203 [2021-12-06 23:15:39,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:39,487 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 22 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:39,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 439 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 150 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:39,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-06 23:15:39,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-06 23:15:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6162162162162161) internal successors, (299), 185 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 299 transitions. [2021-12-06 23:15:39,497 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 299 transitions. Word has length 48 [2021-12-06 23:15:39,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:39,498 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 299 transitions. [2021-12-06 23:15:39,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 299 transitions. [2021-12-06 23:15:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-06 23:15:39,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:39,500 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:39,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:15:39,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:39,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1875534592, now seen corresponding path program 1 times [2021-12-06 23:15:39,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:39,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069486879] [2021-12-06 23:15:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:39,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:39,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:39,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069486879] [2021-12-06 23:15:39,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069486879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:39,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:39,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:39,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286980265] [2021-12-06 23:15:39,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:39,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:39,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:39,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:39,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:39,624 INFO L87 Difference]: Start difference. First operand 186 states and 299 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:41,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:41,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:41,836 INFO L93 Difference]: Finished difference Result 368 states and 586 transitions. [2021-12-06 23:15:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:41,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-06 23:15:41,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:41,838 INFO L225 Difference]: With dead ends: 368 [2021-12-06 23:15:41,838 INFO L226 Difference]: Without dead ends: 203 [2021-12-06 23:15:41,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:41,840 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 24 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:41,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 441 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-06 23:15:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-06 23:15:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6108108108108108) internal successors, (298), 185 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 298 transitions. [2021-12-06 23:15:41,849 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 298 transitions. Word has length 61 [2021-12-06 23:15:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:41,849 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 298 transitions. [2021-12-06 23:15:41,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 298 transitions. [2021-12-06 23:15:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 23:15:41,851 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:41,851 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:41,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:15:41,851 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:41,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:41,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1839351473, now seen corresponding path program 1 times [2021-12-06 23:15:41,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:41,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471746868] [2021-12-06 23:15:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:41,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:41,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:41,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471746868] [2021-12-06 23:15:41,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471746868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:41,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:41,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:41,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589195181] [2021-12-06 23:15:41,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:41,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:41,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:41,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:41,937 INFO L87 Difference]: Start difference. First operand 186 states and 298 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:43,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:44,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:44,142 INFO L93 Difference]: Finished difference Result 367 states and 584 transitions. [2021-12-06 23:15:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:44,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-12-06 23:15:44,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:44,144 INFO L225 Difference]: With dead ends: 367 [2021-12-06 23:15:44,144 INFO L226 Difference]: Without dead ends: 202 [2021-12-06 23:15:44,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:44,145 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 28 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:44,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:44,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-06 23:15:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 186. [2021-12-06 23:15:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6054054054054054) internal successors, (297), 185 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 297 transitions. [2021-12-06 23:15:44,153 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 297 transitions. Word has length 62 [2021-12-06 23:15:44,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:44,153 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 297 transitions. [2021-12-06 23:15:44,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2021-12-06 23:15:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 23:15:44,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:44,155 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:44,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:15:44,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:44,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1630821317, now seen corresponding path program 1 times [2021-12-06 23:15:44,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42327345] [2021-12-06 23:15:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:44,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:44,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:44,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42327345] [2021-12-06 23:15:44,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42327345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:44,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:44,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:44,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295444617] [2021-12-06 23:15:44,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:44,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:44,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:44,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:44,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:44,236 INFO L87 Difference]: Start difference. First operand 186 states and 297 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:46,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:46,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:46,565 INFO L93 Difference]: Finished difference Result 465 states and 739 transitions. [2021-12-06 23:15:46,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:46,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-12-06 23:15:46,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:46,567 INFO L225 Difference]: With dead ends: 465 [2021-12-06 23:15:46,567 INFO L226 Difference]: Without dead ends: 300 [2021-12-06 23:15:46,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:46,568 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 141 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:46,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 302 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:15:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-12-06 23:15:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 198. [2021-12-06 23:15:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.5888324873096447) internal successors, (313), 197 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 313 transitions. [2021-12-06 23:15:46,576 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 313 transitions. Word has length 62 [2021-12-06 23:15:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:46,576 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 313 transitions. [2021-12-06 23:15:46,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 313 transitions. [2021-12-06 23:15:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 23:15:46,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:46,577 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:46,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:15:46,578 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:46,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:46,578 INFO L85 PathProgramCache]: Analyzing trace with hash 509961732, now seen corresponding path program 1 times [2021-12-06 23:15:46,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:46,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443661228] [2021-12-06 23:15:46,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:46,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:46,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:46,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443661228] [2021-12-06 23:15:46,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443661228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:46,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:46,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:46,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736683595] [2021-12-06 23:15:46,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:46,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:46,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:46,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:46,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:46,649 INFO L87 Difference]: Start difference. First operand 198 states and 313 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:48,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:48,855 INFO L93 Difference]: Finished difference Result 390 states and 615 transitions. [2021-12-06 23:15:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:48,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-12-06 23:15:48,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:48,856 INFO L225 Difference]: With dead ends: 390 [2021-12-06 23:15:48,857 INFO L226 Difference]: Without dead ends: 213 [2021-12-06 23:15:48,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:48,858 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 19 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:48,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 445 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-12-06 23:15:48,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 198. [2021-12-06 23:15:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.583756345177665) internal successors, (312), 197 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 312 transitions. [2021-12-06 23:15:48,866 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 312 transitions. Word has length 62 [2021-12-06 23:15:48,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:48,867 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 312 transitions. [2021-12-06 23:15:48,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 312 transitions. [2021-12-06 23:15:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-06 23:15:48,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:48,868 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:48,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:15:48,868 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:48,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:48,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1144939844, now seen corresponding path program 1 times [2021-12-06 23:15:48,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:48,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047995699] [2021-12-06 23:15:48,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:48,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:48,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:48,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:48,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047995699] [2021-12-06 23:15:48,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047995699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:48,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:48,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:48,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883871096] [2021-12-06 23:15:48,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:48,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:48,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:48,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:48,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:48,955 INFO L87 Difference]: Start difference. First operand 198 states and 312 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:50,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:51,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:51,257 INFO L93 Difference]: Finished difference Result 477 states and 752 transitions. [2021-12-06 23:15:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:51,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-12-06 23:15:51,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:51,259 INFO L225 Difference]: With dead ends: 477 [2021-12-06 23:15:51,259 INFO L226 Difference]: Without dead ends: 300 [2021-12-06 23:15:51,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:51,260 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 135 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:51,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 302 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:15:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-12-06 23:15:51,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 203. [2021-12-06 23:15:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.5792079207920793) internal successors, (319), 202 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 319 transitions. [2021-12-06 23:15:51,266 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 319 transitions. Word has length 62 [2021-12-06 23:15:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:51,267 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 319 transitions. [2021-12-06 23:15:51,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 319 transitions. [2021-12-06 23:15:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 23:15:51,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:51,267 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:51,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:15:51,268 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:51,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1652438455, now seen corresponding path program 1 times [2021-12-06 23:15:51,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:51,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026070031] [2021-12-06 23:15:51,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:51,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:51,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:51,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026070031] [2021-12-06 23:15:51,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026070031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:51,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:51,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:51,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260632452] [2021-12-06 23:15:51,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:51,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:51,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:51,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:51,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:51,339 INFO L87 Difference]: Start difference. First operand 203 states and 319 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:53,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:53,530 INFO L93 Difference]: Finished difference Result 398 states and 627 transitions. [2021-12-06 23:15:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:53,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-12-06 23:15:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:53,532 INFO L225 Difference]: With dead ends: 398 [2021-12-06 23:15:53,532 INFO L226 Difference]: Without dead ends: 216 [2021-12-06 23:15:53,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:53,533 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 22 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:53,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:53,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-12-06 23:15:53,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 203. [2021-12-06 23:15:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.5742574257425743) internal successors, (318), 202 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 318 transitions. [2021-12-06 23:15:53,541 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 318 transitions. Word has length 63 [2021-12-06 23:15:53,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:53,541 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 318 transitions. [2021-12-06 23:15:53,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 318 transitions. [2021-12-06 23:15:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-06 23:15:53,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:53,542 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:53,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:15:53,542 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:53,542 INFO L85 PathProgramCache]: Analyzing trace with hash -848424362, now seen corresponding path program 1 times [2021-12-06 23:15:53,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:53,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232490712] [2021-12-06 23:15:53,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:53,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:53,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:53,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232490712] [2021-12-06 23:15:53,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232490712] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:53,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:53,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:53,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185477310] [2021-12-06 23:15:53,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:53,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:53,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:53,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:53,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:53,622 INFO L87 Difference]: Start difference. First operand 203 states and 318 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:55,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:55,824 INFO L93 Difference]: Finished difference Result 398 states and 626 transitions. [2021-12-06 23:15:55,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:55,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-12-06 23:15:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:55,826 INFO L225 Difference]: With dead ends: 398 [2021-12-06 23:15:55,826 INFO L226 Difference]: Without dead ends: 216 [2021-12-06 23:15:55,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:55,827 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 20 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:55,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:55,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-12-06 23:15:55,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 203. [2021-12-06 23:15:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.5693069306930694) internal successors, (317), 202 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 317 transitions. [2021-12-06 23:15:55,832 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 317 transitions. Word has length 64 [2021-12-06 23:15:55,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:55,832 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 317 transitions. [2021-12-06 23:15:55,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 317 transitions. [2021-12-06 23:15:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-06 23:15:55,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:55,833 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:55,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:15:55,834 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:55,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:55,834 INFO L85 PathProgramCache]: Analyzing trace with hash 2026506290, now seen corresponding path program 1 times [2021-12-06 23:15:55,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:55,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619107536] [2021-12-06 23:15:55,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:55,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:55,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:55,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619107536] [2021-12-06 23:15:55,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619107536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:55,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:55,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:55,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008719429] [2021-12-06 23:15:55,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:55,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:55,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:55,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:55,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:55,925 INFO L87 Difference]: Start difference. First operand 203 states and 317 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:57,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:15:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:15:58,113 INFO L93 Difference]: Finished difference Result 388 states and 612 transitions. [2021-12-06 23:15:58,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:15:58,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-12-06 23:15:58,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:15:58,114 INFO L225 Difference]: With dead ends: 388 [2021-12-06 23:15:58,114 INFO L226 Difference]: Without dead ends: 206 [2021-12-06 23:15:58,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:15:58,115 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 11 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:15:58,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 463 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:15:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-12-06 23:15:58,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2021-12-06 23:15:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.5643564356435644) internal successors, (316), 202 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 316 transitions. [2021-12-06 23:15:58,120 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 316 transitions. Word has length 65 [2021-12-06 23:15:58,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:15:58,120 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 316 transitions. [2021-12-06 23:15:58,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:15:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 316 transitions. [2021-12-06 23:15:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-06 23:15:58,121 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:15:58,121 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:15:58,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:15:58,121 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:15:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:15:58,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1546297802, now seen corresponding path program 1 times [2021-12-06 23:15:58,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:15:58,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055639607] [2021-12-06 23:15:58,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:15:58,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:15:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:15:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:15:58,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:15:58,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055639607] [2021-12-06 23:15:58,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055639607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:15:58,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:15:58,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:15:58,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791341615] [2021-12-06 23:15:58,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:15:58,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:15:58,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:15:58,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:15:58,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:15:58,191 INFO L87 Difference]: Start difference. First operand 203 states and 316 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:00,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:00,497 INFO L93 Difference]: Finished difference Result 482 states and 754 transitions. [2021-12-06 23:16:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:00,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-12-06 23:16:00,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:00,499 INFO L225 Difference]: With dead ends: 482 [2021-12-06 23:16:00,499 INFO L226 Difference]: Without dead ends: 298 [2021-12-06 23:16:00,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:00,500 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 109 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:00,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 312 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-12-06 23:16:00,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 228. [2021-12-06 23:16:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.6079295154185023) internal successors, (365), 227 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 365 transitions. [2021-12-06 23:16:00,505 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 365 transitions. Word has length 65 [2021-12-06 23:16:00,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:00,506 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 365 transitions. [2021-12-06 23:16:00,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 365 transitions. [2021-12-06 23:16:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-06 23:16:00,506 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:00,507 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:00,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:16:00,507 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:00,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:00,507 INFO L85 PathProgramCache]: Analyzing trace with hash 632591508, now seen corresponding path program 1 times [2021-12-06 23:16:00,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:00,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926956414] [2021-12-06 23:16:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:00,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:00,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:00,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926956414] [2021-12-06 23:16:00,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926956414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:00,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:00,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:00,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646265266] [2021-12-06 23:16:00,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:00,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:00,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:00,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:00,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:00,578 INFO L87 Difference]: Start difference. First operand 228 states and 365 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:02,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:02,913 INFO L93 Difference]: Finished difference Result 544 states and 871 transitions. [2021-12-06 23:16:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:02,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-12-06 23:16:02,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:02,915 INFO L225 Difference]: With dead ends: 544 [2021-12-06 23:16:02,916 INFO L226 Difference]: Without dead ends: 337 [2021-12-06 23:16:02,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:02,917 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:02,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 314 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:02,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-12-06 23:16:02,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 260. [2021-12-06 23:16:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.6216216216216217) internal successors, (420), 259 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 420 transitions. [2021-12-06 23:16:02,924 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 420 transitions. Word has length 93 [2021-12-06 23:16:02,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:02,924 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 420 transitions. [2021-12-06 23:16:02,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 420 transitions. [2021-12-06 23:16:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-06 23:16:02,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:02,925 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:16:02,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:16:02,926 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:02,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:02,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1221146161, now seen corresponding path program 1 times [2021-12-06 23:16:02,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:02,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907764751] [2021-12-06 23:16:02,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:02,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:03,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:03,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907764751] [2021-12-06 23:16:03,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907764751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:03,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:03,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:03,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014224949] [2021-12-06 23:16:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:03,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:03,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:03,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:03,003 INFO L87 Difference]: Start difference. First operand 260 states and 420 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:05,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:05,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:05,334 INFO L93 Difference]: Finished difference Result 613 states and 986 transitions. [2021-12-06 23:16:05,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:05,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-12-06 23:16:05,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:05,337 INFO L225 Difference]: With dead ends: 613 [2021-12-06 23:16:05,337 INFO L226 Difference]: Without dead ends: 374 [2021-12-06 23:16:05,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:05,338 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 109 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:05,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 318 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:05,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-06 23:16:05,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 303. [2021-12-06 23:16:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.6357615894039734) internal successors, (494), 302 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 494 transitions. [2021-12-06 23:16:05,345 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 494 transitions. Word has length 105 [2021-12-06 23:16:05,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:05,345 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 494 transitions. [2021-12-06 23:16:05,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 494 transitions. [2021-12-06 23:16:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 23:16:05,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:05,347 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:05,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 23:16:05,347 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:05,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1500161074, now seen corresponding path program 1 times [2021-12-06 23:16:05,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:05,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80488073] [2021-12-06 23:16:05,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:05,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:16:05,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:05,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80488073] [2021-12-06 23:16:05,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80488073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:05,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:05,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:05,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931852941] [2021-12-06 23:16:05,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:05,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:05,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:05,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:05,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:05,421 INFO L87 Difference]: Start difference. First operand 303 states and 494 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:07,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:07,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:07,713 INFO L93 Difference]: Finished difference Result 695 states and 1129 transitions. [2021-12-06 23:16:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:07,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-12-06 23:16:07,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:07,715 INFO L225 Difference]: With dead ends: 695 [2021-12-06 23:16:07,716 INFO L226 Difference]: Without dead ends: 413 [2021-12-06 23:16:07,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:07,717 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 134 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:07,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 306 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:07,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-06 23:16:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 319. [2021-12-06 23:16:07,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.6226415094339623) internal successors, (516), 318 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 516 transitions. [2021-12-06 23:16:07,724 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 516 transitions. Word has length 106 [2021-12-06 23:16:07,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:07,724 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 516 transitions. [2021-12-06 23:16:07,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 516 transitions. [2021-12-06 23:16:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 23:16:07,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:07,726 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:16:07,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 23:16:07,726 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:07,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:07,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2144263610, now seen corresponding path program 1 times [2021-12-06 23:16:07,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:07,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265196405] [2021-12-06 23:16:07,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:07,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 23:16:07,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:07,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265196405] [2021-12-06 23:16:07,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265196405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:07,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:07,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:07,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294565006] [2021-12-06 23:16:07,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:07,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:07,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:07,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:07,797 INFO L87 Difference]: Start difference. First operand 319 states and 516 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:09,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:09,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:09,996 INFO L93 Difference]: Finished difference Result 659 states and 1070 transitions. [2021-12-06 23:16:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:09,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-12-06 23:16:09,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:09,998 INFO L225 Difference]: With dead ends: 659 [2021-12-06 23:16:09,998 INFO L226 Difference]: Without dead ends: 361 [2021-12-06 23:16:09,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:09,999 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 33 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:09,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 465 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:16:10,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-12-06 23:16:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 341. [2021-12-06 23:16:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6205882352941177) internal successors, (551), 340 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 551 transitions. [2021-12-06 23:16:10,007 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 551 transitions. Word has length 106 [2021-12-06 23:16:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:10,007 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 551 transitions. [2021-12-06 23:16:10,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 551 transitions. [2021-12-06 23:16:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-06 23:16:10,008 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:10,008 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:10,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 23:16:10,009 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:10,009 INFO L85 PathProgramCache]: Analyzing trace with hash 240959469, now seen corresponding path program 1 times [2021-12-06 23:16:10,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:10,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023368407] [2021-12-06 23:16:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:10,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 23:16:10,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:10,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023368407] [2021-12-06 23:16:10,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023368407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:10,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:10,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:10,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001072419] [2021-12-06 23:16:10,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:10,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:10,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:10,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:10,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:10,080 INFO L87 Difference]: Start difference. First operand 341 states and 551 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:12,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:12,373 INFO L93 Difference]: Finished difference Result 730 states and 1170 transitions. [2021-12-06 23:16:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:12,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-12-06 23:16:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:12,375 INFO L225 Difference]: With dead ends: 730 [2021-12-06 23:16:12,375 INFO L226 Difference]: Without dead ends: 410 [2021-12-06 23:16:12,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:12,376 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 139 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:12,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 304 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:12,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-06 23:16:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-06 23:16:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6029411764705883) internal successors, (545), 340 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 545 transitions. [2021-12-06 23:16:12,386 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 545 transitions. Word has length 120 [2021-12-06 23:16:12,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:12,386 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 545 transitions. [2021-12-06 23:16:12,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 545 transitions. [2021-12-06 23:16:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-06 23:16:12,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:12,387 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:12,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 23:16:12,388 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:12,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:12,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1985043260, now seen corresponding path program 1 times [2021-12-06 23:16:12,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:12,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467749999] [2021-12-06 23:16:12,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:12,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-06 23:16:12,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:12,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467749999] [2021-12-06 23:16:12,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467749999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:12,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:12,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:12,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688029897] [2021-12-06 23:16:12,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:12,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:12,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:12,454 INFO L87 Difference]: Start difference. First operand 341 states and 545 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:14,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:14,649 INFO L93 Difference]: Finished difference Result 679 states and 1090 transitions. [2021-12-06 23:16:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:14,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-12-06 23:16:14,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:14,651 INFO L225 Difference]: With dead ends: 679 [2021-12-06 23:16:14,651 INFO L226 Difference]: Without dead ends: 359 [2021-12-06 23:16:14,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:14,652 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 35 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:14,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:16:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-12-06 23:16:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 341. [2021-12-06 23:16:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6) internal successors, (544), 340 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 544 transitions. [2021-12-06 23:16:14,659 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 544 transitions. Word has length 120 [2021-12-06 23:16:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:14,659 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 544 transitions. [2021-12-06 23:16:14,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 544 transitions. [2021-12-06 23:16:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 23:16:14,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:14,660 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:14,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 23:16:14,661 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:14,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1586861309, now seen corresponding path program 1 times [2021-12-06 23:16:14,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:14,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987459721] [2021-12-06 23:16:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:14,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 23:16:14,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:14,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987459721] [2021-12-06 23:16:14,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987459721] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:14,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:14,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:14,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350807018] [2021-12-06 23:16:14,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:14,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:14,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:14,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:14,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:14,746 INFO L87 Difference]: Start difference. First operand 341 states and 544 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:16,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:17,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:17,048 INFO L93 Difference]: Finished difference Result 730 states and 1156 transitions. [2021-12-06 23:16:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:17,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-06 23:16:17,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:17,050 INFO L225 Difference]: With dead ends: 730 [2021-12-06 23:16:17,050 INFO L226 Difference]: Without dead ends: 410 [2021-12-06 23:16:17,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:17,051 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 136 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:17,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 318 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:17,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-06 23:16:17,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-06 23:16:17,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5823529411764705) internal successors, (538), 340 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 538 transitions. [2021-12-06 23:16:17,057 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 538 transitions. Word has length 121 [2021-12-06 23:16:17,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:17,057 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 538 transitions. [2021-12-06 23:16:17,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 538 transitions. [2021-12-06 23:16:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-06 23:16:17,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:17,058 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:17,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 23:16:17,059 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1735358010, now seen corresponding path program 1 times [2021-12-06 23:16:17,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:17,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972106994] [2021-12-06 23:16:17,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:17,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 23:16:17,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:17,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972106994] [2021-12-06 23:16:17,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972106994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:17,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:17,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:17,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500884711] [2021-12-06 23:16:17,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:17,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:17,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:17,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:17,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:17,136 INFO L87 Difference]: Start difference. First operand 341 states and 538 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:19,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:19,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:19,363 INFO L93 Difference]: Finished difference Result 679 states and 1076 transitions. [2021-12-06 23:16:19,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:19,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-12-06 23:16:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:19,365 INFO L225 Difference]: With dead ends: 679 [2021-12-06 23:16:19,365 INFO L226 Difference]: Without dead ends: 359 [2021-12-06 23:16:19,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:19,366 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 37 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:19,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:16:19,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-12-06 23:16:19,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 341. [2021-12-06 23:16:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5794117647058823) internal successors, (537), 340 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 537 transitions. [2021-12-06 23:16:19,374 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 537 transitions. Word has length 122 [2021-12-06 23:16:19,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:19,374 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 537 transitions. [2021-12-06 23:16:19,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2021-12-06 23:16:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-06 23:16:19,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:19,376 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:19,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 23:16:19,376 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:19,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:19,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2093537762, now seen corresponding path program 1 times [2021-12-06 23:16:19,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:19,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87664754] [2021-12-06 23:16:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:19,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 23:16:19,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:19,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87664754] [2021-12-06 23:16:19,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87664754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:19,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:19,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:16:19,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200863241] [2021-12-06 23:16:19,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:19,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:16:19,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:19,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:16:19,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:16:19,448 INFO L87 Difference]: Start difference. First operand 341 states and 537 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:21,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:21,725 INFO L93 Difference]: Finished difference Result 730 states and 1142 transitions. [2021-12-06 23:16:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:16:21,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-12-06 23:16:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:21,727 INFO L225 Difference]: With dead ends: 730 [2021-12-06 23:16:21,727 INFO L226 Difference]: Without dead ends: 410 [2021-12-06 23:16:21,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:21,728 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 133 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:21,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 304 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 23:16:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-06 23:16:21,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-06 23:16:21,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.561764705882353) internal successors, (531), 340 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:21,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 531 transitions. [2021-12-06 23:16:21,737 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 531 transitions. Word has length 123 [2021-12-06 23:16:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:21,737 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 531 transitions. [2021-12-06 23:16:21,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 531 transitions. [2021-12-06 23:16:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 23:16:21,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:21,739 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:21,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 23:16:21,739 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:21,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1960687741, now seen corresponding path program 1 times [2021-12-06 23:16:21,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:21,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83721478] [2021-12-06 23:16:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:21,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-06 23:16:21,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:16:21,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83721478] [2021-12-06 23:16:21,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83721478] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:21,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:21,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:21,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199760553] [2021-12-06 23:16:21,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:21,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:16:21,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:16:21,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:16:21,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:21,998 INFO L87 Difference]: Start difference. First operand 341 states and 531 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:24,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:26,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:26,293 INFO L93 Difference]: Finished difference Result 679 states and 1058 transitions. [2021-12-06 23:16:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:26,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-06 23:16:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:26,295 INFO L225 Difference]: With dead ends: 679 [2021-12-06 23:16:26,295 INFO L226 Difference]: Without dead ends: 341 [2021-12-06 23:16:26,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:16:26,296 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:26,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 23:16:26,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-12-06 23:16:26,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-12-06 23:16:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5588235294117647) internal successors, (530), 340 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 530 transitions. [2021-12-06 23:16:26,309 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 530 transitions. Word has length 127 [2021-12-06 23:16:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:26,310 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 530 transitions. [2021-12-06 23:16:26,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 530 transitions. [2021-12-06 23:16:26,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 23:16:26,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:26,311 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:26,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 23:16:26,311 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:26,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:26,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1254091135, now seen corresponding path program 1 times [2021-12-06 23:16:26,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:26,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226791470] [2021-12-06 23:16:26,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:26,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:16:26,719 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:16:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:16:26,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:16:26,896 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:16:26,896 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:16:26,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 23:16:26,901 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:26,904 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:16:27,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:16:27 BoogieIcfgContainer [2021-12-06 23:16:27,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:16:27,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:16:27,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:16:27,048 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:16:27,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:15:34" (3/4) ... [2021-12-06 23:16:27,051 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:16:27,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:16:27,052 INFO L158 Benchmark]: Toolchain (without parser) took 55947.52ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 83.2MB in the end (delta: -13.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-06 23:16:27,052 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:16:27,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.97ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 64.6MB in the end (delta: 5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 23:16:27,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.16ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 60.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 23:16:27,053 INFO L158 Benchmark]: Boogie Preprocessor took 66.63ms. Allocated memory is still 109.1MB. Free memory was 60.0MB in the beginning and 53.0MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:16:27,053 INFO L158 Benchmark]: RCFGBuilder took 2767.04ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 53.0MB in the beginning and 83.8MB in the end (delta: -30.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-12-06 23:16:27,054 INFO L158 Benchmark]: TraceAbstraction took 52619.63ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 84.2MB in the end (delta: -898.4kB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2021-12-06 23:16:27,054 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:16:27,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.97ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 64.6MB in the end (delta: 5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.16ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 60.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.63ms. Allocated memory is still 109.1MB. Free memory was 60.0MB in the beginning and 53.0MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2767.04ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 53.0MB in the beginning and 83.8MB in the end (delta: -30.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 52619.63ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 84.2MB in the end (delta: -898.4kB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1733]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->info_callback={0:-9}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] EXPR s->cert VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-9}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-6:0}, s={-6:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-9}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-9}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->s3={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-9}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1382] COND FALSE !(ret <= 0) [L1387] s->hit VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->hit=8, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1387] COND TRUE s->hit [L1388] s->state = 8656 VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1392] s->init_num = 0 VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-9}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->s3={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-9}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-6:0}, s={-6:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND TRUE s->state == 8656 [L1585] EXPR s->session [L1585] EXPR s->s3 [L1585] EXPR (s->s3)->tmp.new_cipher [L1585] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1586] COND FALSE !(! tmp___9) [L1592] ret = __VERIFIER_nondet_int() [L1593] COND TRUE blastFlag == 2 [L1594] blastFlag = 3 VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1605] COND FALSE !(! tmp___10) VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-9}, (s->s3)->tmp.reuse_message=4294967319, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->s3={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=9, s={-6:0}, s={-6:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 3 VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=-13, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1733] reach_error() VAL [={0:-9}, blastFlag=3, got_new_session=1, init=1, ret=-13, s={-6:0}, s={-6:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.4s, OverallIterations: 22, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 1553 SdHoareTripleChecker+Valid, 48.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1553 mSDsluCounter, 8354 SdHoareTripleChecker+Invalid, 47.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5227 mSDsCounter, 660 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4241 IncrementalHoareTripleChecker+Invalid, 4922 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 660 mSolverCounterUnsat, 3127 mSDtfsCounter, 4241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=15, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 939 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1931 NumberOfCodeBlocks, 1931 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1783 ConstructedInterpolants, 0 QuantifiedInterpolants, 4551 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 942/942 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 could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:16:27,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa --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 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:16:28,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:16:28,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:16:28,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:16:28,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:16:28,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:16:28,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:16:28,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:16:28,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:16:28,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:16:28,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:16:28,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:16:28,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:16:28,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:16:28,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:16:28,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:16:28,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:16:28,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:16:28,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:16:28,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:16:28,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:16:28,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:16:28,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:16:28,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:16:28,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:16:28,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:16:28,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:16:28,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:16:28,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:16:28,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:16:28,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:16:28,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:16:28,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:16:28,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:16:28,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:16:28,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:16:28,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:16:28,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:16:28,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:16:28,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:16:28,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:16:28,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 23:16:28,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:16:28,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:16:28,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:16:28,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:16:28,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:16:28,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:16:28,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:16:28,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:16:28,769 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:16:28,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:16:28,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:16:28,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:16:28,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:16:28,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:16:28,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:16:28,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:16:28,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 23:16:28,771 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 23:16:28,771 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 23:16:28,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:16:28,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:16:28,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:16:28,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:16:28,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:16:28,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:16:28,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:16:28,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:16:28,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:16:28,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:16:28,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:16:28,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 23:16:28,773 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf [2021-12-06 23:16:29,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:16:29,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:16:29,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:16:29,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:16:29,043 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:16:29,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-06 23:16:29,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/7034affe7/0db2295365b54948b6694d4d139e20bf/FLAGa6611c64b [2021-12-06 23:16:29,531 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:16:29,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-06 23:16:29,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/7034affe7/0db2295365b54948b6694d4d139e20bf/FLAGa6611c64b [2021-12-06 23:16:29,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/data/7034affe7/0db2295365b54948b6694d4d139e20bf [2021-12-06 23:16:29,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:16:29,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:16:29,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:16:29,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:16:29,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:16:29,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:16:29" (1/1) ... [2021-12-06 23:16:29,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769623ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:29, skipping insertion in model container [2021-12-06 23:16:29,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:16:29" (1/1) ... [2021-12-06 23:16:29,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:16:29,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:16:29,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-06 23:16:29,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:29,885 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 23:16:29,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:16:29,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-06 23:16:29,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:29,963 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:16:30,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-06 23:16:30,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:30,037 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:16:30,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30 WrapperNode [2021-12-06 23:16:30,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:16:30,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:16:30,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:16:30,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:16:30,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,092 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-12-06 23:16:30,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:16:30,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:16:30,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:16:30,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:16:30,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:16:30,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:16:30,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:16:30,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:16:30,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (1/1) ... [2021-12-06 23:16:30,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:16:30,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:30,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:16:30,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:16:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:16:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 23:16:30,349 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:16:30,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:16:30,369 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 23:16:37,286 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-06 23:16:37,287 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-06 23:16:37,287 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:16:37,293 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:16:37,293 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:16:37,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:37 BoogieIcfgContainer [2021-12-06 23:16:37,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:16:37,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:16:37,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:16:37,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:16:37,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:16:29" (1/3) ... [2021-12-06 23:16:37,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17eff90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:16:37, skipping insertion in model container [2021-12-06 23:16:37,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:30" (2/3) ... [2021-12-06 23:16:37,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17eff90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:16:37, skipping insertion in model container [2021-12-06 23:16:37,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:37" (3/3) ... [2021-12-06 23:16:37,300 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.02.i.cil-1.c [2021-12-06 23:16:37,303 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:16:37,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:16:37,338 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:16:37,343 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:16:37,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:16:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:16:37,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:37,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:37,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:37,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:37,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-12-06 23:16:37,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:16:37,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666997983] [2021-12-06 23:16:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:37,380 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:16:37,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:16:37,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:16:37,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 23:16:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:37,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:16:37,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:38,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:38,039 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:16:38,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666997983] [2021-12-06 23:16:38,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [666997983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:38,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:38,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:16:38,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659200088] [2021-12-06 23:16:38,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:38,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:16:38,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:16:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:16:38,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:38,067 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:38,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:38,145 INFO L93 Difference]: Finished difference Result 412 states and 698 transitions. [2021-12-06 23:16:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:16:38,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-12-06 23:16:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:38,157 INFO L225 Difference]: With dead ends: 412 [2021-12-06 23:16:38,158 INFO L226 Difference]: Without dead ends: 251 [2021-12-06 23:16:38,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:38,163 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 186 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:38,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 456 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:16:38,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-12-06 23:16:38,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-12-06 23:16:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.516) internal successors, (379), 250 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:38,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2021-12-06 23:16:38,208 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 47 [2021-12-06 23:16:38,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:38,208 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2021-12-06 23:16:38,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2021-12-06 23:16:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-06 23:16:38,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:38,212 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:16:38,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:16:38,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:16:38,413 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:38,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:38,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1889550317, now seen corresponding path program 1 times [2021-12-06 23:16:38,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:16:38,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858632112] [2021-12-06 23:16:38,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:38,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:16:38,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:16:38,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:16:38,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 23:16:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:38,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:16:38,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:16:39,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:39,042 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:16:39,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858632112] [2021-12-06 23:16:39,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858632112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:39,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:39,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:16:39,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747518743] [2021-12-06 23:16:39,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:39,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:16:39,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:16:39,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:16:39,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:39,045 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:39,133 INFO L93 Difference]: Finished difference Result 489 states and 744 transitions. [2021-12-06 23:16:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:16:39,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-12-06 23:16:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:39,136 INFO L225 Difference]: With dead ends: 489 [2021-12-06 23:16:39,136 INFO L226 Difference]: Without dead ends: 367 [2021-12-06 23:16:39,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:39,138 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 134 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:39,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 557 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:16:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-12-06 23:16:39,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-12-06 23:16:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 366 states have (on average 1.5136612021857923) internal successors, (554), 366 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 554 transitions. [2021-12-06 23:16:39,157 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 554 transitions. Word has length 64 [2021-12-06 23:16:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:39,157 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 554 transitions. [2021-12-06 23:16:39,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 554 transitions. [2021-12-06 23:16:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-06 23:16:39,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:39,162 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:39,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 23:16:39,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:16:39,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:39,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:39,366 INFO L85 PathProgramCache]: Analyzing trace with hash -617936825, now seen corresponding path program 1 times [2021-12-06 23:16:39,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:16:39,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133201399] [2021-12-06 23:16:39,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:39,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:16:39,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:16:39,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:16:39,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 23:16:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:39,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:16:39,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-06 23:16:40,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:40,086 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:16:40,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133201399] [2021-12-06 23:16:40,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2133201399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:40,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:40,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:16:40,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56273330] [2021-12-06 23:16:40,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:40,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:16:40,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:16:40,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:16:40,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:40,088 INFO L87 Difference]: Start difference. First operand 367 states and 554 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:40,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:40,196 INFO L93 Difference]: Finished difference Result 723 states and 1098 transitions. [2021-12-06 23:16:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:16:40,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-12-06 23:16:40,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:40,200 INFO L225 Difference]: With dead ends: 723 [2021-12-06 23:16:40,201 INFO L226 Difference]: Without dead ends: 485 [2021-12-06 23:16:40,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:16:40,203 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 135 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:40,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 561 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:16:40,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-12-06 23:16:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-12-06 23:16:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 484 states have (on average 1.512396694214876) internal successors, (732), 484 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 732 transitions. [2021-12-06 23:16:40,226 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 732 transitions. Word has length 86 [2021-12-06 23:16:40,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:40,227 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 732 transitions. [2021-12-06 23:16:40,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:40,227 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 732 transitions. [2021-12-06 23:16:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 23:16:40,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:40,232 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:40,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 23:16:40,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:16:40,434 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:40,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1960687741, now seen corresponding path program 1 times [2021-12-06 23:16:40,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:16:40,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286438086] [2021-12-06 23:16:40,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:40,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:16:40,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:16:40,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:16:40,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 23:16:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:16:41,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 23:16:41,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:16:41,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 23:16:41,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 23:16:42,028 INFO L354 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-12-06 23:16:42,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 58 treesize of output 85 [2021-12-06 23:16:42,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2021-12-06 23:16:42,276 INFO L354 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-12-06 23:16:42,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2021-12-06 23:16:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:16:42,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2021-12-06 23:16:42,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 23:16:42,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 23:16:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-06 23:16:42,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:16:42,486 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:16:42,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286438086] [2021-12-06 23:16:42,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286438086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:16:42,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:16:42,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:16:42,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236732940] [2021-12-06 23:16:42,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:16:42,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:16:42,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:16:42,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:16:42,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:16:42,487 INFO L87 Difference]: Start difference. First operand 485 states and 732 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:44,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:46,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:16:54,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:16:54,306 INFO L93 Difference]: Finished difference Result 967 states and 1460 transitions. [2021-12-06 23:16:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:16:54,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-06 23:16:54,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:16:54,310 INFO L225 Difference]: With dead ends: 967 [2021-12-06 23:16:54,310 INFO L226 Difference]: Without dead ends: 485 [2021-12-06 23:16:54,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:16:54,311 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:16:54,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2021-12-06 23:16:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-12-06 23:16:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-12-06 23:16:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 484 states have (on average 1.5103305785123966) internal successors, (731), 484 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 731 transitions. [2021-12-06 23:16:54,322 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 731 transitions. Word has length 127 [2021-12-06 23:16:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:16:54,323 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 731 transitions. [2021-12-06 23:16:54,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 731 transitions. [2021-12-06 23:16:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 23:16:54,324 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:16:54,324 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:16:54,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-06 23:16:54,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:16:54,526 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:16:54,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:54,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1254091135, now seen corresponding path program 1 times [2021-12-06 23:16:54,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:16:54,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654854771] [2021-12-06 23:16:54,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:54,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:16:54,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:16:54,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:16:54,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 23:16:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:16:59,212 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:17:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:17:01,480 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 23:17:01,480 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:17:01,481 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:17:01,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-06 23:17:01,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:17:01,691 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 23:17:01,699 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:17:01,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:17:01 BoogieIcfgContainer [2021-12-06 23:17:01,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:17:01,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:17:01,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:17:01,827 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:17:01,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:37" (3/4) ... [2021-12-06 23:17:01,829 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 23:17:01,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:17:01,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:17:01,904 INFO L158 Benchmark]: Toolchain (without parser) took 32343.95ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 38.6MB in the beginning and 43.8MB in the end (delta: -5.2MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,904 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.44ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 38.4MB in the beginning and 48.9MB in the end (delta: -10.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 44.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,905 INFO L158 Benchmark]: Boogie Preprocessor took 67.45ms. Allocated memory is still 81.8MB. Free memory was 44.1MB in the beginning and 58.9MB in the end (delta: -14.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,905 INFO L158 Benchmark]: RCFGBuilder took 7134.01ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 58.9MB in the beginning and 53.4MB in the end (delta: 5.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,905 INFO L158 Benchmark]: TraceAbstraction took 24531.32ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 61.1MB in the end (delta: -7.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,906 INFO L158 Benchmark]: Witness Printer took 76.16ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 43.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.44ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 38.4MB in the beginning and 48.9MB in the end (delta: -10.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 44.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.45ms. Allocated memory is still 81.8MB. Free memory was 44.1MB in the beginning and 58.9MB in the end (delta: -14.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7134.01ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 58.9MB in the beginning and 53.4MB in the end (delta: 5.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24531.32ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 61.1MB in the end (delta: -7.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Witness Printer took 76.16ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 43.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1733]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1161] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->cert={-2143289338:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={13:0}, s={13:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=0, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1382] COND FALSE !(ret <= 0) [L1387] s->hit VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1387] COND TRUE s->hit [L1388] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1392] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1260] COND TRUE s->state == 8656 [L1585] EXPR s->session [L1585] EXPR s->s3 [L1585] EXPR (s->s3)->tmp.new_cipher [L1585] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1586] COND FALSE !(! tmp___9) [L1592] ret = __VERIFIER_nondet_int() [L1593] COND TRUE blastFlag == 2 [L1594] blastFlag = 3 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___9=2] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___9=2] [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={13:0}, s={13:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 3 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=9, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] [L1733] reach_error() VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=9, s={13:0}, s={13:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2, tmp___9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 2205 SdHoareTripleChecker+Invalid, 11.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1033 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 1172 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=485occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 668 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2830 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 153/153 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 incorrect! [2021-12-06 23:17:01,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f07a874-184d-49af-8d63-becc9b951732/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE