./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF --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 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:35:05,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:35:05,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:35:05,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:35:05,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:35:05,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:35:05,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:35:05,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:35:05,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:35:05,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:35:05,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:35:05,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:35:05,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:35:05,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:35:05,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:35:05,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:35:05,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:35:05,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:35:05,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:35:05,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:35:05,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:35:05,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:35:05,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:35:05,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:35:05,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:35:05,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:35:05,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:35:05,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:35:05,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:35:05,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:35:05,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:35:05,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:35:05,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:35:05,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:35:05,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:35:05,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:35:05,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:35:05,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:35:05,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:35:05,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:35:05,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:35:05,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:35:05,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:35:05,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:35:05,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:35:05,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:35:05,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:35:05,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:35:05,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:35:05,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:35:05,571 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:35:05,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:35:05,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:35:05,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:35:05,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:35:05,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:35:05,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:35:05,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:35:05,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:35:05,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:35:05,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:35:05,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:35:05,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:35:05,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:35:05,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:35:05,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:35:05,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:35:05,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:35:05,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:35:05,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:35:05,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:35:05,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:35:05,578 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:35:05,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:35:05,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:35:05,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:35:05,579 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2021-11-20 07:35:05,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:35:05,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:35:05,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:35:05,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:35:05,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:35:05,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-20 07:35:05,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/80b2ed54a/1cf22bfabfe740b7b34dea29f10c3c4c/FLAG62d8f5ae9 [2021-11-20 07:35:06,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:35:06,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-20 07:35:06,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/80b2ed54a/1cf22bfabfe740b7b34dea29f10c3c4c/FLAG62d8f5ae9 [2021-11-20 07:35:06,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/80b2ed54a/1cf22bfabfe740b7b34dea29f10c3c4c [2021-11-20 07:35:06,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:35:06,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:35:06,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:35:06,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:35:06,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:35:06,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:35:06" (1/1) ... [2021-11-20 07:35:06,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5ea5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:06, skipping insertion in model container [2021-11-20 07:35:06,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:35:06" (1/1) ... [2021-11-20 07:35:06,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:35:06,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:35:07,241 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-20 07:35:07,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:35:07,268 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:35:07,378 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-20 07:35:07,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:35:07,403 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:35:07,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07 WrapperNode [2021-11-20 07:35:07,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:35:07,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:35:07,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:35:07,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:35:07,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,534 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-11-20 07:35:07,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:35:07,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:35:07,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:35:07,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:35:07,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:35:07,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:35:07,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:35:07,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:35:07,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (1/1) ... [2021-11-20 07:35:07,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:35:07,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:35:07,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:35:07,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:35:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:35:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:35:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:35:07,952 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:35:07,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:35:07,986 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 07:35:10,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-20 07:35:10,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-20 07:35:10,972 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:35:10,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:35:10,980 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:35:10,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:10 BoogieIcfgContainer [2021-11-20 07:35:10,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:35:10,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:35:10,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:35:10,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:35:10,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:35:06" (1/3) ... [2021-11-20 07:35:10,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d528bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:35:10, skipping insertion in model container [2021-11-20 07:35:10,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:07" (2/3) ... [2021-11-20 07:35:10,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d528bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:35:10, skipping insertion in model container [2021-11-20 07:35:10,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:10" (3/3) ... [2021-11-20 07:35:10,990 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2021-11-20 07:35:10,995 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:35:10,996 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:35:11,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:35:11,050 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 [2021-11-20 07:35:11,051 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:35:11,069 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) [2021-11-20 07:35:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 07:35:11,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:11,080 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] [2021-11-20 07:35:11,080 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:11,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-11-20 07:35:11,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:11,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061891155] [2021-11-20 07:35:11,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:11,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:11,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:11,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061891155] [2021-11-20 07:35:11,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061891155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:11,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:11,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:11,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165453974] [2021-11-20 07:35:11,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:11,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:11,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:11,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:11,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:11,484 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) [2021-11-20 07:35:13,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:14,024 INFO L93 Difference]: Finished difference Result 315 states and 530 transitions. [2021-11-20 07:35:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:14,027 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 [2021-11-20 07:35:14,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:14,038 INFO L225 Difference]: With dead ends: 315 [2021-11-20 07:35:14,038 INFO L226 Difference]: Without dead ends: 160 [2021-11-20 07:35:14,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:14,045 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 36 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:14,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 555 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 07:35:14,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-20 07:35:14,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2021-11-20 07:35:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5422535211267605) internal successors, (219), 142 states have internal predecessors, (219), 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) [2021-11-20 07:35:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 219 transitions. [2021-11-20 07:35:14,091 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 219 transitions. Word has length 47 [2021-11-20 07:35:14,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:14,092 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 219 transitions. [2021-11-20 07:35:14,102 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) [2021-11-20 07:35:14,103 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 219 transitions. [2021-11-20 07:35:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-20 07:35:14,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:14,106 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] [2021-11-20 07:35:14,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:35:14,107 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1861384675, now seen corresponding path program 1 times [2021-11-20 07:35:14,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:14,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020838681] [2021-11-20 07:35:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:14,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:14,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:14,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020838681] [2021-11-20 07:35:14,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020838681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:14,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:14,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:14,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845228555] [2021-11-20 07:35:14,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:14,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:14,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:14,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:14,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:14,270 INFO L87 Difference]: Start difference. First operand 143 states and 219 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-20 07:35:16,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:16,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:16,742 INFO L93 Difference]: Finished difference Result 282 states and 426 transitions. [2021-11-20 07:35:16,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:16,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 60 [2021-11-20 07:35:16,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:16,745 INFO L225 Difference]: With dead ends: 282 [2021-11-20 07:35:16,745 INFO L226 Difference]: Without dead ends: 160 [2021-11-20 07:35:16,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:16,748 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 24 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:16,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 441 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:35:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-20 07:35:16,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2021-11-20 07:35:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5352112676056338) internal successors, (218), 142 states have internal predecessors, (218), 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) [2021-11-20 07:35:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 218 transitions. [2021-11-20 07:35:16,763 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 218 transitions. Word has length 60 [2021-11-20 07:35:16,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:16,764 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 218 transitions. [2021-11-20 07:35:16,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-20 07:35:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 218 transitions. [2021-11-20 07:35:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 07:35:16,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:16,767 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] [2021-11-20 07:35:16,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:35:16,768 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:16,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2019107822, now seen corresponding path program 1 times [2021-11-20 07:35:16,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:16,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147506894] [2021-11-20 07:35:16,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:16,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:16,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:16,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147506894] [2021-11-20 07:35:16,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147506894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:16,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:16,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:16,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514205812] [2021-11-20 07:35:16,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:16,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:16,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:16,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:16,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:16,879 INFO L87 Difference]: Start difference. First operand 143 states and 218 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) [2021-11-20 07:35:18,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:19,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:19,187 INFO L93 Difference]: Finished difference Result 281 states and 424 transitions. [2021-11-20 07:35:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:19,188 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 [2021-11-20 07:35:19,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:19,189 INFO L225 Difference]: With dead ends: 281 [2021-11-20 07:35:19,190 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 07:35:19,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:19,192 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 28 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:19,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 07:35:19,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 143. [2021-11-20 07:35:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.528169014084507) internal successors, (217), 142 states have internal predecessors, (217), 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) [2021-11-20 07:35:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 217 transitions. [2021-11-20 07:35:19,204 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 217 transitions. Word has length 61 [2021-11-20 07:35:19,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:19,205 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 217 transitions. [2021-11-20 07:35:19,205 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) [2021-11-20 07:35:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 217 transitions. [2021-11-20 07:35:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 07:35:19,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:19,208 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] [2021-11-20 07:35:19,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:35:19,208 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:19,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1437848702, now seen corresponding path program 1 times [2021-11-20 07:35:19,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:19,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865283888] [2021-11-20 07:35:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:19,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:19,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:19,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865283888] [2021-11-20 07:35:19,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865283888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:19,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:19,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:19,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900135686] [2021-11-20 07:35:19,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:19,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:19,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:19,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:19,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:19,357 INFO L87 Difference]: Start difference. First operand 143 states and 217 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) [2021-11-20 07:35:21,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:21,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:21,743 INFO L93 Difference]: Finished difference Result 281 states and 423 transitions. [2021-11-20 07:35:21,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:21,744 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 [2021-11-20 07:35:21,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:21,745 INFO L225 Difference]: With dead ends: 281 [2021-11-20 07:35:21,745 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 07:35:21,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:21,747 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 26 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:21,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:35:21,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 07:35:21,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 143. [2021-11-20 07:35:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 142 states have internal predecessors, (216), 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) [2021-11-20 07:35:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 216 transitions. [2021-11-20 07:35:21,759 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 216 transitions. Word has length 61 [2021-11-20 07:35:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:21,759 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 216 transitions. [2021-11-20 07:35:21,760 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) [2021-11-20 07:35:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2021-11-20 07:35:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 07:35:21,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:21,763 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] [2021-11-20 07:35:21,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:35:21,763 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:21,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash 16682137, now seen corresponding path program 1 times [2021-11-20 07:35:21,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:21,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099646874] [2021-11-20 07:35:21,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:21,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:21,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:21,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099646874] [2021-11-20 07:35:21,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099646874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:21,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:21,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:21,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060007162] [2021-11-20 07:35:21,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:21,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:21,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:21,865 INFO L87 Difference]: Start difference. First operand 143 states and 216 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) [2021-11-20 07:35:23,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:24,202 INFO L93 Difference]: Finished difference Result 280 states and 421 transitions. [2021-11-20 07:35:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:24,203 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 [2021-11-20 07:35:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:24,205 INFO L225 Difference]: With dead ends: 280 [2021-11-20 07:35:24,205 INFO L226 Difference]: Without dead ends: 158 [2021-11-20 07:35:24,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:24,207 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 19 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:24,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 445 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-20 07:35:24,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 143. [2021-11-20 07:35:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5140845070422535) internal successors, (215), 142 states have internal predecessors, (215), 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) [2021-11-20 07:35:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 215 transitions. [2021-11-20 07:35:24,217 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 215 transitions. Word has length 61 [2021-11-20 07:35:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:24,218 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 215 transitions. [2021-11-20 07:35:24,218 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) [2021-11-20 07:35:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 215 transitions. [2021-11-20 07:35:24,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 07:35:24,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:24,220 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] [2021-11-20 07:35:24,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:35:24,221 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:24,222 INFO L85 PathProgramCache]: Analyzing trace with hash -932666023, now seen corresponding path program 1 times [2021-11-20 07:35:24,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:24,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130362892] [2021-11-20 07:35:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:24,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:24,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:24,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130362892] [2021-11-20 07:35:24,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130362892] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:24,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:24,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:24,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400624245] [2021-11-20 07:35:24,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:24,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:24,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:24,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:24,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:24,304 INFO L87 Difference]: Start difference. First operand 143 states and 215 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) [2021-11-20 07:35:26,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:26,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:26,623 INFO L93 Difference]: Finished difference Result 278 states and 418 transitions. [2021-11-20 07:35:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:26,623 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 [2021-11-20 07:35:26,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:26,625 INFO L225 Difference]: With dead ends: 278 [2021-11-20 07:35:26,625 INFO L226 Difference]: Without dead ends: 156 [2021-11-20 07:35:26,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:26,626 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 19 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:26,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-20 07:35:26,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 143. [2021-11-20 07:35:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5070422535211268) internal successors, (214), 142 states have internal predecessors, (214), 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) [2021-11-20 07:35:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 214 transitions. [2021-11-20 07:35:26,635 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 214 transitions. Word has length 61 [2021-11-20 07:35:26,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:26,636 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 214 transitions. [2021-11-20 07:35:26,636 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) [2021-11-20 07:35:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 214 transitions. [2021-11-20 07:35:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 07:35:26,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:26,637 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] [2021-11-20 07:35:26,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:35:26,637 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1300462214, now seen corresponding path program 1 times [2021-11-20 07:35:26,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:26,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485129537] [2021-11-20 07:35:26,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:26,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:26,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:26,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485129537] [2021-11-20 07:35:26,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485129537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:26,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:26,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:26,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872846707] [2021-11-20 07:35:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:26,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:26,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:26,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:26,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:26,711 INFO L87 Difference]: Start difference. First operand 143 states and 214 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) [2021-11-20 07:35:28,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:29,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:29,036 INFO L93 Difference]: Finished difference Result 278 states and 417 transitions. [2021-11-20 07:35:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:29,036 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 [2021-11-20 07:35:29,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:29,038 INFO L225 Difference]: With dead ends: 278 [2021-11-20 07:35:29,038 INFO L226 Difference]: Without dead ends: 156 [2021-11-20 07:35:29,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:29,039 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 22 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:29,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:29,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-20 07:35:29,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 143. [2021-11-20 07:35:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5) internal successors, (213), 142 states have internal predecessors, (213), 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) [2021-11-20 07:35:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 213 transitions. [2021-11-20 07:35:29,047 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 213 transitions. Word has length 62 [2021-11-20 07:35:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:29,047 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 213 transitions. [2021-11-20 07:35:29,047 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) [2021-11-20 07:35:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 213 transitions. [2021-11-20 07:35:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 07:35:29,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:29,048 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] [2021-11-20 07:35:29,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:35:29,049 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:29,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:29,049 INFO L85 PathProgramCache]: Analyzing trace with hash 249957895, now seen corresponding path program 1 times [2021-11-20 07:35:29,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:29,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330739142] [2021-11-20 07:35:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:29,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:29,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:29,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330739142] [2021-11-20 07:35:29,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330739142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:29,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:29,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:29,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979639794] [2021-11-20 07:35:29,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:29,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:29,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:29,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:29,123 INFO L87 Difference]: Start difference. First operand 143 states and 213 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) [2021-11-20 07:35:31,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:31,432 INFO L93 Difference]: Finished difference Result 278 states and 416 transitions. [2021-11-20 07:35:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:31,433 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 [2021-11-20 07:35:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:31,435 INFO L225 Difference]: With dead ends: 278 [2021-11-20 07:35:31,435 INFO L226 Difference]: Without dead ends: 156 [2021-11-20 07:35:31,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:31,436 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 20 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:31,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:31,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-20 07:35:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 143. [2021-11-20 07:35:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.4929577464788732) internal successors, (212), 142 states have internal predecessors, (212), 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) [2021-11-20 07:35:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 212 transitions. [2021-11-20 07:35:31,443 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 212 transitions. Word has length 63 [2021-11-20 07:35:31,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:31,443 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 212 transitions. [2021-11-20 07:35:31,443 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) [2021-11-20 07:35:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 212 transitions. [2021-11-20 07:35:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 07:35:31,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:31,445 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] [2021-11-20 07:35:31,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:35:31,445 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:31,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2005265579, now seen corresponding path program 1 times [2021-11-20 07:35:31,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:31,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822939704] [2021-11-20 07:35:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:31,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:31,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:31,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822939704] [2021-11-20 07:35:31,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822939704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:31,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:31,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:31,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154100361] [2021-11-20 07:35:31,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:31,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:31,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:31,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:31,515 INFO L87 Difference]: Start difference. First operand 143 states and 212 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) [2021-11-20 07:35:33,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:33,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:33,805 INFO L93 Difference]: Finished difference Result 268 states and 402 transitions. [2021-11-20 07:35:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:33,806 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 [2021-11-20 07:35:33,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:33,807 INFO L225 Difference]: With dead ends: 268 [2021-11-20 07:35:33,807 INFO L226 Difference]: Without dead ends: 146 [2021-11-20 07:35:33,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:33,808 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 11 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:33,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 463 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-20 07:35:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2021-11-20 07:35:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.4859154929577465) internal successors, (211), 142 states have internal predecessors, (211), 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) [2021-11-20 07:35:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 211 transitions. [2021-11-20 07:35:33,814 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 211 transitions. Word has length 64 [2021-11-20 07:35:33,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:33,815 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 211 transitions. [2021-11-20 07:35:33,815 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) [2021-11-20 07:35:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 211 transitions. [2021-11-20 07:35:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 07:35:33,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:33,816 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] [2021-11-20 07:35:33,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:35:33,816 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:33,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:33,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1889550317, now seen corresponding path program 1 times [2021-11-20 07:35:33,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:33,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873554509] [2021-11-20 07:35:33,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:33,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:33,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:33,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873554509] [2021-11-20 07:35:33,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873554509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:33,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:33,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:33,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114811733] [2021-11-20 07:35:33,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:33,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:33,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:33,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:33,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:33,886 INFO L87 Difference]: Start difference. First operand 143 states and 211 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) [2021-11-20 07:35:35,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:36,188 INFO L93 Difference]: Finished difference Result 308 states and 463 transitions. [2021-11-20 07:35:36,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:36,189 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 [2021-11-20 07:35:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:36,191 INFO L225 Difference]: With dead ends: 308 [2021-11-20 07:35:36,191 INFO L226 Difference]: Without dead ends: 186 [2021-11-20 07:35:36,191 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 [2021-11-20 07:35:36,192 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 34 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:36,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 461 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:36,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-20 07:35:36,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 165. [2021-11-20 07:35:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.5182926829268293) internal successors, (249), 164 states have internal predecessors, (249), 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) [2021-11-20 07:35:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 249 transitions. [2021-11-20 07:35:36,199 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 249 transitions. Word has length 64 [2021-11-20 07:35:36,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:36,200 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 249 transitions. [2021-11-20 07:35:36,200 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) [2021-11-20 07:35:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 249 transitions. [2021-11-20 07:35:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 07:35:36,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:36,201 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 07:35:36,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:35:36,202 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1893437081, now seen corresponding path program 1 times [2021-11-20 07:35:36,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:36,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740148491] [2021-11-20 07:35:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:36,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:36,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:36,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740148491] [2021-11-20 07:35:36,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740148491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:36,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:36,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:36,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288433517] [2021-11-20 07:35:36,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:36,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:36,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:36,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:36,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:36,270 INFO L87 Difference]: Start difference. First operand 165 states and 249 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2021-11-20 07:35:38,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:38,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:38,600 INFO L93 Difference]: Finished difference Result 330 states and 500 transitions. [2021-11-20 07:35:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:38,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2021-11-20 07:35:38,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:38,601 INFO L225 Difference]: With dead ends: 330 [2021-11-20 07:35:38,601 INFO L226 Difference]: Without dead ends: 186 [2021-11-20 07:35:38,602 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 [2021-11-20 07:35:38,603 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 39 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:38,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 461 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:38,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-20 07:35:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 165. [2021-11-20 07:35:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.5121951219512195) internal successors, (248), 164 states have internal predecessors, (248), 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) [2021-11-20 07:35:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 248 transitions. [2021-11-20 07:35:38,609 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 248 transitions. Word has length 77 [2021-11-20 07:35:38,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:38,609 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 248 transitions. [2021-11-20 07:35:38,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2021-11-20 07:35:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 248 transitions. [2021-11-20 07:35:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:35:38,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:38,611 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:38,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:35:38,611 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:38,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:38,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1840502030, now seen corresponding path program 1 times [2021-11-20 07:35:38,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:38,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102090873] [2021-11-20 07:35:38,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:38,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:38,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:38,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102090873] [2021-11-20 07:35:38,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102090873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:38,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:38,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:38,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260666769] [2021-11-20 07:35:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:38,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:38,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:38,674 INFO L87 Difference]: Start difference. First operand 165 states and 248 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:40,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:40,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:40,976 INFO L93 Difference]: Finished difference Result 329 states and 497 transitions. [2021-11-20 07:35:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2021-11-20 07:35:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:40,978 INFO L225 Difference]: With dead ends: 329 [2021-11-20 07:35:40,978 INFO L226 Difference]: Without dead ends: 185 [2021-11-20 07:35:40,979 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 [2021-11-20 07:35:40,979 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 43 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:40,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 463 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-20 07:35:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 165. [2021-11-20 07:35:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.5060975609756098) internal successors, (247), 164 states have internal predecessors, (247), 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) [2021-11-20 07:35:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 247 transitions. [2021-11-20 07:35:40,986 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 247 transitions. Word has length 78 [2021-11-20 07:35:40,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:40,986 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 247 transitions. [2021-11-20 07:35:40,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2021-11-20 07:35:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:35:40,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:40,987 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:40,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:35:40,988 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:40,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:40,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1002491258, now seen corresponding path program 1 times [2021-11-20 07:35:40,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:40,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744376239] [2021-11-20 07:35:40,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:40,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:41,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:41,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744376239] [2021-11-20 07:35:41,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744376239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:41,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:41,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:41,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114980275] [2021-11-20 07:35:41,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:41,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:41,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:41,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:41,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:41,048 INFO L87 Difference]: Start difference. First operand 165 states and 247 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:43,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:43,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:43,361 INFO L93 Difference]: Finished difference Result 329 states and 495 transitions. [2021-11-20 07:35:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:43,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2021-11-20 07:35:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:43,363 INFO L225 Difference]: With dead ends: 329 [2021-11-20 07:35:43,363 INFO L226 Difference]: Without dead ends: 185 [2021-11-20 07:35:43,364 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 [2021-11-20 07:35:43,364 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 41 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:43,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 463 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-20 07:35:43,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 165. [2021-11-20 07:35:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.5) internal successors, (246), 164 states have internal predecessors, (246), 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) [2021-11-20 07:35:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-11-20 07:35:43,372 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 246 transitions. Word has length 78 [2021-11-20 07:35:43,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:43,373 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-20 07:35:43,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2021-11-20 07:35:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:35:43,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:43,375 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:43,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:35:43,375 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:43,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:43,376 INFO L85 PathProgramCache]: Analyzing trace with hash 452039581, now seen corresponding path program 1 times [2021-11-20 07:35:43,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:43,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864685971] [2021-11-20 07:35:43,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:43,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:43,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:43,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864685971] [2021-11-20 07:35:43,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864685971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:43,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:43,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:43,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283125721] [2021-11-20 07:35:43,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:43,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:43,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:43,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:43,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:43,455 INFO L87 Difference]: Start difference. First operand 165 states and 246 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:45,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:45,787 INFO L93 Difference]: Finished difference Result 328 states and 492 transitions. [2021-11-20 07:35:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:45,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2021-11-20 07:35:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:45,789 INFO L225 Difference]: With dead ends: 328 [2021-11-20 07:35:45,789 INFO L226 Difference]: Without dead ends: 184 [2021-11-20 07:35:45,790 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 [2021-11-20 07:35:45,791 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 34 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:45,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 465 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 162 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-11-20 07:35:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 165. [2021-11-20 07:35:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.4939024390243902) internal successors, (245), 164 states have internal predecessors, (245), 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) [2021-11-20 07:35:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 245 transitions. [2021-11-20 07:35:45,799 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 245 transitions. Word has length 78 [2021-11-20 07:35:45,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:45,799 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 245 transitions. [2021-11-20 07:35:45,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2021-11-20 07:35:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:35:45,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:45,801 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:45,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:35:45,801 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:45,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:45,802 INFO L85 PathProgramCache]: Analyzing trace with hash -497308579, now seen corresponding path program 1 times [2021-11-20 07:35:45,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:45,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333165788] [2021-11-20 07:35:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:45,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:45,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:45,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333165788] [2021-11-20 07:35:45,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333165788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:45,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:45,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:45,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584832827] [2021-11-20 07:35:45,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:45,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:45,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:45,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:45,867 INFO L87 Difference]: Start difference. First operand 165 states and 245 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:47,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:48,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:48,139 INFO L93 Difference]: Finished difference Result 326 states and 488 transitions. [2021-11-20 07:35:48,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:48,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2021-11-20 07:35:48,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:48,141 INFO L225 Difference]: With dead ends: 326 [2021-11-20 07:35:48,141 INFO L226 Difference]: Without dead ends: 182 [2021-11-20 07:35:48,141 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 [2021-11-20 07:35:48,142 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 34 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:48,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-20 07:35:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2021-11-20 07:35:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.4878048780487805) internal successors, (244), 164 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) [2021-11-20 07:35:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 244 transitions. [2021-11-20 07:35:48,148 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 244 transitions. Word has length 78 [2021-11-20 07:35:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:48,148 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 244 transitions. [2021-11-20 07:35:48,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-20 07:35:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2021-11-20 07:35:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-20 07:35:48,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:48,149 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:48,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 07:35:48,149 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1911641090, now seen corresponding path program 1 times [2021-11-20 07:35:48,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:48,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91193285] [2021-11-20 07:35:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:48,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:48,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:48,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91193285] [2021-11-20 07:35:48,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91193285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:48,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:48,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:48,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554786026] [2021-11-20 07:35:48,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:48,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:48,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:48,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:48,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:48,228 INFO L87 Difference]: Start difference. First operand 165 states and 244 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-11-20 07:35:50,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:50,521 INFO L93 Difference]: Finished difference Result 326 states and 486 transitions. [2021-11-20 07:35:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:50,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2021-11-20 07:35:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:50,523 INFO L225 Difference]: With dead ends: 326 [2021-11-20 07:35:50,523 INFO L226 Difference]: Without dead ends: 182 [2021-11-20 07:35:50,524 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 [2021-11-20 07:35:50,524 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:50,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-20 07:35:50,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2021-11-20 07:35:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.4817073170731707) internal successors, (243), 164 states have internal predecessors, (243), 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) [2021-11-20 07:35:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 243 transitions. [2021-11-20 07:35:50,531 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 243 transitions. Word has length 79 [2021-11-20 07:35:50,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:50,531 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 243 transitions. [2021-11-20 07:35:50,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-11-20 07:35:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2021-11-20 07:35:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-20 07:35:50,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:50,533 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:50,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 07:35:50,533 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:50,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:50,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2016633867, now seen corresponding path program 1 times [2021-11-20 07:35:50,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:50,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988994122] [2021-11-20 07:35:50,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:50,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:50,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:50,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988994122] [2021-11-20 07:35:50,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988994122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:50,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:50,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:50,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228501452] [2021-11-20 07:35:50,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:50,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:50,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:50,596 INFO L87 Difference]: Start difference. First operand 165 states and 243 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) [2021-11-20 07:35:52,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:52,866 INFO L93 Difference]: Finished difference Result 326 states and 484 transitions. [2021-11-20 07:35:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:52,867 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 80 [2021-11-20 07:35:52,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:52,868 INFO L225 Difference]: With dead ends: 326 [2021-11-20 07:35:52,868 INFO L226 Difference]: Without dead ends: 182 [2021-11-20 07:35:52,869 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 [2021-11-20 07:35:52,869 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 35 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:52,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:35:52,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-20 07:35:52,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2021-11-20 07:35:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.475609756097561) internal successors, (242), 164 states have internal predecessors, (242), 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) [2021-11-20 07:35:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 242 transitions. [2021-11-20 07:35:52,876 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 242 transitions. Word has length 80 [2021-11-20 07:35:52,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:52,876 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 242 transitions. [2021-11-20 07:35:52,877 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) [2021-11-20 07:35:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2021-11-20 07:35:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 07:35:52,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:52,878 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:52,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 07:35:52,878 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:52,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:52,879 INFO L85 PathProgramCache]: Analyzing trace with hash 937645863, now seen corresponding path program 1 times [2021-11-20 07:35:52,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:52,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183089598] [2021-11-20 07:35:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:52,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:52,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:52,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183089598] [2021-11-20 07:35:52,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183089598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:52,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:52,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:52,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733357837] [2021-11-20 07:35:52,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:52,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:52,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:52,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:52,937 INFO L87 Difference]: Start difference. First operand 165 states and 242 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-11-20 07:35:54,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:55,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:55,197 INFO L93 Difference]: Finished difference Result 316 states and 469 transitions. [2021-11-20 07:35:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:55,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2021-11-20 07:35:55,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:55,198 INFO L225 Difference]: With dead ends: 316 [2021-11-20 07:35:55,199 INFO L226 Difference]: Without dead ends: 172 [2021-11-20 07:35:55,199 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 [2021-11-20 07:35:55,200 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 26 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:55,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 483 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 07:35:55,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-20 07:35:55,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 165. [2021-11-20 07:35:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 164 states have internal predecessors, (241), 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) [2021-11-20 07:35:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 241 transitions. [2021-11-20 07:35:55,206 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 241 transitions. Word has length 81 [2021-11-20 07:35:55,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:55,206 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 241 transitions. [2021-11-20 07:35:55,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-11-20 07:35:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 241 transitions. [2021-11-20 07:35:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-20 07:35:55,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:55,208 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] [2021-11-20 07:35:55,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:35:55,208 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:55,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:55,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1833682444, now seen corresponding path program 1 times [2021-11-20 07:35:55,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:55,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246295018] [2021-11-20 07:35:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:55,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:35:55,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:55,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246295018] [2021-11-20 07:35:55,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246295018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:55,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:55,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:55,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996378814] [2021-11-20 07:35:55,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:55,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:55,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:55,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:55,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:55,284 INFO L87 Difference]: Start difference. First operand 165 states and 241 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 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) [2021-11-20 07:35:57,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:57,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:57,673 INFO L93 Difference]: Finished difference Result 404 states and 604 transitions. [2021-11-20 07:35:57,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:57,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 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 [2021-11-20 07:35:57,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:57,675 INFO L225 Difference]: With dead ends: 404 [2021-11-20 07:35:57,675 INFO L226 Difference]: Without dead ends: 260 [2021-11-20 07:35:57,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:57,677 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 76 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:57,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 419 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 262 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:35:57,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-20 07:35:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 208. [2021-11-20 07:35:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.541062801932367) internal successors, (319), 207 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) [2021-11-20 07:35:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 319 transitions. [2021-11-20 07:35:57,685 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 319 transitions. Word has length 86 [2021-11-20 07:35:57,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:57,685 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 319 transitions. [2021-11-20 07:35:57,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 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) [2021-11-20 07:35:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 319 transitions. [2021-11-20 07:35:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-20 07:35:57,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:57,687 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] [2021-11-20 07:35:57,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:35:57,688 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash 936289166, now seen corresponding path program 1 times [2021-11-20 07:35:57,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:57,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588701504] [2021-11-20 07:35:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:57,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,755 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:35:57,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:57,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588701504] [2021-11-20 07:35:57,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588701504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:57,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:57,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:57,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897778314] [2021-11-20 07:35:57,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:57,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:57,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:57,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:57,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:57,757 INFO L87 Difference]: Start difference. First operand 208 states and 319 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 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) [2021-11-20 07:35:59,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:00,073 INFO L93 Difference]: Finished difference Result 444 states and 688 transitions. [2021-11-20 07:36:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:00,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 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 [2021-11-20 07:36:00,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:00,075 INFO L225 Difference]: With dead ends: 444 [2021-11-20 07:36:00,075 INFO L226 Difference]: Without dead ends: 257 [2021-11-20 07:36:00,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:00,076 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 40 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:00,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 569 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 185 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-20 07:36:00,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 232. [2021-11-20 07:36:00,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.5627705627705628) internal successors, (361), 231 states have internal predecessors, (361), 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) [2021-11-20 07:36:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 361 transitions. [2021-11-20 07:36:00,084 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 361 transitions. Word has length 86 [2021-11-20 07:36:00,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:00,085 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 361 transitions. [2021-11-20 07:36:00,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 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) [2021-11-20 07:36:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 361 transitions. [2021-11-20 07:36:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 07:36:00,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:00,087 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:00,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 07:36:00,087 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:00,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1743207104, now seen corresponding path program 1 times [2021-11-20 07:36:00,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:00,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432030495] [2021-11-20 07:36:00,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:00,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:00,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:00,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432030495] [2021-11-20 07:36:00,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432030495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:00,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:00,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:00,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773175338] [2021-11-20 07:36:00,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:00,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:00,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:00,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:00,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:00,165 INFO L87 Difference]: Start difference. First operand 232 states and 361 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-20 07:36:02,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:02,537 INFO L93 Difference]: Finished difference Result 495 states and 765 transitions. [2021-11-20 07:36:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:02,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 99 [2021-11-20 07:36:02,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:02,540 INFO L225 Difference]: With dead ends: 495 [2021-11-20 07:36:02,540 INFO L226 Difference]: Without dead ends: 284 [2021-11-20 07:36:02,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:02,542 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 100 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:02,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 423 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 262 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-11-20 07:36:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 232. [2021-11-20 07:36:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.5584415584415585) internal successors, (360), 231 states have internal predecessors, (360), 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) [2021-11-20 07:36:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 360 transitions. [2021-11-20 07:36:02,550 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 360 transitions. Word has length 99 [2021-11-20 07:36:02,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:02,550 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 360 transitions. [2021-11-20 07:36:02,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-20 07:36:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 360 transitions. [2021-11-20 07:36:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 07:36:02,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:02,552 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:02,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:36:02,553 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:02,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1702532354, now seen corresponding path program 1 times [2021-11-20 07:36:02,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:02,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378873900] [2021-11-20 07:36:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:02,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:02,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:02,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378873900] [2021-11-20 07:36:02,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378873900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:02,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:02,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:02,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99720678] [2021-11-20 07:36:02,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:02,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:02,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:02,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:02,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:02,622 INFO L87 Difference]: Start difference. First operand 232 states and 360 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-20 07:36:04,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:04,950 INFO L93 Difference]: Finished difference Result 468 states and 727 transitions. [2021-11-20 07:36:04,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:04,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 99 [2021-11-20 07:36:04,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:04,952 INFO L225 Difference]: With dead ends: 468 [2021-11-20 07:36:04,952 INFO L226 Difference]: Without dead ends: 257 [2021-11-20 07:36:04,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:04,953 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 47 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:04,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 569 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:04,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-20 07:36:04,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 232. [2021-11-20 07:36:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.5541125541125542) internal successors, (359), 231 states have internal predecessors, (359), 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) [2021-11-20 07:36:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 359 transitions. [2021-11-20 07:36:04,961 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 359 transitions. Word has length 99 [2021-11-20 07:36:04,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:04,961 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 359 transitions. [2021-11-20 07:36:04,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-20 07:36:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 359 transitions. [2021-11-20 07:36:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 07:36:04,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:04,963 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:04,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 07:36:04,963 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:04,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:04,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1387645227, now seen corresponding path program 1 times [2021-11-20 07:36:04,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:04,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167578163] [2021-11-20 07:36:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:04,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:05,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:05,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167578163] [2021-11-20 07:36:05,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167578163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:05,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:05,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:05,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419831182] [2021-11-20 07:36:05,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:05,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:05,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:05,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:05,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:05,044 INFO L87 Difference]: Start difference. First operand 232 states and 359 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:07,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:07,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:07,450 INFO L93 Difference]: Finished difference Result 494 states and 760 transitions. [2021-11-20 07:36:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 100 [2021-11-20 07:36:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:07,453 INFO L225 Difference]: With dead ends: 494 [2021-11-20 07:36:07,453 INFO L226 Difference]: Without dead ends: 283 [2021-11-20 07:36:07,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:07,454 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 104 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:07,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 421 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 259 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:07,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-11-20 07:36:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 232. [2021-11-20 07:36:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.5497835497835497) internal successors, (358), 231 states have internal predecessors, (358), 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) [2021-11-20 07:36:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 358 transitions. [2021-11-20 07:36:07,462 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 358 transitions. Word has length 100 [2021-11-20 07:36:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:07,463 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 358 transitions. [2021-11-20 07:36:07,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 358 transitions. [2021-11-20 07:36:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 07:36:07,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:07,464 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:07,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 07:36:07,465 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:07,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:07,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2069311297, now seen corresponding path program 1 times [2021-11-20 07:36:07,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:07,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340005488] [2021-11-20 07:36:07,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:07,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-20 07:36:07,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:07,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340005488] [2021-11-20 07:36:07,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340005488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:07,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:07,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:36:07,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991749058] [2021-11-20 07:36:07,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:07,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:36:07,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:07,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:36:07,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:07,552 INFO L87 Difference]: Start difference. First operand 232 states and 358 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 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) [2021-11-20 07:36:09,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:11,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:11,925 INFO L93 Difference]: Finished difference Result 464 states and 721 transitions. [2021-11-20 07:36:11,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:36:11,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 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 100 [2021-11-20 07:36:11,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:11,927 INFO L225 Difference]: With dead ends: 464 [2021-11-20 07:36:11,927 INFO L226 Difference]: Without dead ends: 253 [2021-11-20 07:36:11,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:36:11,928 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 140 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 42 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:11,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 326 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 310 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 07:36:11,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-11-20 07:36:11,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2021-11-20 07:36:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5298804780876494) internal successors, (384), 251 states have internal predecessors, (384), 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) [2021-11-20 07:36:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 384 transitions. [2021-11-20 07:36:11,937 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 384 transitions. Word has length 100 [2021-11-20 07:36:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:11,937 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 384 transitions. [2021-11-20 07:36:11,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 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) [2021-11-20 07:36:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 384 transitions. [2021-11-20 07:36:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 07:36:11,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:11,939 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:11,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 07:36:11,939 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:11,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:11,940 INFO L85 PathProgramCache]: Analyzing trace with hash -614780458, now seen corresponding path program 1 times [2021-11-20 07:36:11,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:11,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808089368] [2021-11-20 07:36:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:11,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:12,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:12,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808089368] [2021-11-20 07:36:12,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808089368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:12,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:12,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:12,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92017790] [2021-11-20 07:36:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:12,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:12,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:12,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:12,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:12,006 INFO L87 Difference]: Start difference. First operand 252 states and 384 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:14,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:14,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:14,377 INFO L93 Difference]: Finished difference Result 533 states and 808 transitions. [2021-11-20 07:36:14,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:14,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 100 [2021-11-20 07:36:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:14,391 INFO L225 Difference]: With dead ends: 533 [2021-11-20 07:36:14,391 INFO L226 Difference]: Without dead ends: 302 [2021-11-20 07:36:14,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:14,392 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 96 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:14,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 425 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 255 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-11-20 07:36:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 252. [2021-11-20 07:36:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5258964143426295) internal successors, (383), 251 states have internal predecessors, (383), 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) [2021-11-20 07:36:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 383 transitions. [2021-11-20 07:36:14,401 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 383 transitions. Word has length 100 [2021-11-20 07:36:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:14,402 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 383 transitions. [2021-11-20 07:36:14,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 383 transitions. [2021-11-20 07:36:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 07:36:14,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:14,403 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:14,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 07:36:14,404 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:14,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:14,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1564128618, now seen corresponding path program 1 times [2021-11-20 07:36:14,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:14,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768332819] [2021-11-20 07:36:14,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:14,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:14,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:14,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768332819] [2021-11-20 07:36:14,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768332819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:14,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:14,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:14,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123109731] [2021-11-20 07:36:14,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:14,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:14,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:14,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:14,473 INFO L87 Difference]: Start difference. First operand 252 states and 383 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:16,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:16,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:16,847 INFO L93 Difference]: Finished difference Result 531 states and 804 transitions. [2021-11-20 07:36:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:16,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 100 [2021-11-20 07:36:16,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:16,849 INFO L225 Difference]: With dead ends: 531 [2021-11-20 07:36:16,849 INFO L226 Difference]: Without dead ends: 300 [2021-11-20 07:36:16,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:16,850 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 96 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:16,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 429 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 251 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-11-20 07:36:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 252. [2021-11-20 07:36:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5219123505976095) internal successors, (382), 251 states have internal predecessors, (382), 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) [2021-11-20 07:36:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 382 transitions. [2021-11-20 07:36:16,860 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 382 transitions. Word has length 100 [2021-11-20 07:36:16,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:16,861 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 382 transitions. [2021-11-20 07:36:16,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 382 transitions. [2021-11-20 07:36:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 07:36:16,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:16,862 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:16,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 07:36:16,863 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:16,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:16,863 INFO L85 PathProgramCache]: Analyzing trace with hash 646136792, now seen corresponding path program 1 times [2021-11-20 07:36:16,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:16,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715560991] [2021-11-20 07:36:16,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:16,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:16,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:16,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715560991] [2021-11-20 07:36:16,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715560991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:16,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:16,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:16,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958095354] [2021-11-20 07:36:16,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:16,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:16,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:16,934 INFO L87 Difference]: Start difference. First operand 252 states and 382 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:18,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:19,201 INFO L93 Difference]: Finished difference Result 506 states and 768 transitions. [2021-11-20 07:36:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:19,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 100 [2021-11-20 07:36:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:19,203 INFO L225 Difference]: With dead ends: 506 [2021-11-20 07:36:19,203 INFO L226 Difference]: Without dead ends: 275 [2021-11-20 07:36:19,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:19,205 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 43 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:19,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 559 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-20 07:36:19,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 252. [2021-11-20 07:36:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5179282868525896) internal successors, (381), 251 states have internal predecessors, (381), 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) [2021-11-20 07:36:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 381 transitions. [2021-11-20 07:36:19,214 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 381 transitions. Word has length 100 [2021-11-20 07:36:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:19,214 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 381 transitions. [2021-11-20 07:36:19,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 381 transitions. [2021-11-20 07:36:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 07:36:19,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:19,216 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:19,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-20 07:36:19,216 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:19,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash -303211368, now seen corresponding path program 1 times [2021-11-20 07:36:19,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:19,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202721998] [2021-11-20 07:36:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:19,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:19,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:19,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202721998] [2021-11-20 07:36:19,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202721998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:19,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:19,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:19,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056418861] [2021-11-20 07:36:19,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:19,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:19,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:19,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:19,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:19,308 INFO L87 Difference]: Start difference. First operand 252 states and 381 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:21,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:21,577 INFO L93 Difference]: Finished difference Result 504 states and 764 transitions. [2021-11-20 07:36:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 100 [2021-11-20 07:36:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:21,578 INFO L225 Difference]: With dead ends: 504 [2021-11-20 07:36:21,578 INFO L226 Difference]: Without dead ends: 273 [2021-11-20 07:36:21,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:21,580 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 43 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:21,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 563 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:21,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-20 07:36:21,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 252. [2021-11-20 07:36:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5139442231075697) internal successors, (380), 251 states have internal predecessors, (380), 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) [2021-11-20 07:36:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 380 transitions. [2021-11-20 07:36:21,588 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 380 transitions. Word has length 100 [2021-11-20 07:36:21,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:21,589 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 380 transitions. [2021-11-20 07:36:21,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:36:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 380 transitions. [2021-11-20 07:36:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 07:36:21,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:21,590 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:21,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-20 07:36:21,591 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:21,591 INFO L85 PathProgramCache]: Analyzing trace with hash -222713380, now seen corresponding path program 1 times [2021-11-20 07:36:21,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:21,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569825547] [2021-11-20 07:36:21,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:21,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:21,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:21,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569825547] [2021-11-20 07:36:21,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569825547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:21,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:21,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:21,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852669309] [2021-11-20 07:36:21,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:21,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:21,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:21,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:21,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:21,657 INFO L87 Difference]: Start difference. First operand 252 states and 380 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2021-11-20 07:36:23,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:24,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:24,073 INFO L93 Difference]: Finished difference Result 531 states and 798 transitions. [2021-11-20 07:36:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:24,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 101 [2021-11-20 07:36:24,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:24,076 INFO L225 Difference]: With dead ends: 531 [2021-11-20 07:36:24,076 INFO L226 Difference]: Without dead ends: 300 [2021-11-20 07:36:24,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:24,077 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 100 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:24,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 453 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:24,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-11-20 07:36:24,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 252. [2021-11-20 07:36:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5099601593625498) internal successors, (379), 251 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) [2021-11-20 07:36:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 379 transitions. [2021-11-20 07:36:24,092 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 379 transitions. Word has length 101 [2021-11-20 07:36:24,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:24,092 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 379 transitions. [2021-11-20 07:36:24,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2021-11-20 07:36:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 379 transitions. [2021-11-20 07:36:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 07:36:24,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:24,095 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:24,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-20 07:36:24,095 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash 211015706, now seen corresponding path program 1 times [2021-11-20 07:36:24,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:24,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800441041] [2021-11-20 07:36:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:24,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:24,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:24,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800441041] [2021-11-20 07:36:24,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800441041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:24,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:24,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:24,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603721962] [2021-11-20 07:36:24,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:24,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:24,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:24,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:24,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:24,170 INFO L87 Difference]: Start difference. First operand 252 states and 379 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2021-11-20 07:36:26,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:26,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:26,542 INFO L93 Difference]: Finished difference Result 504 states and 760 transitions. [2021-11-20 07:36:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:26,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 101 [2021-11-20 07:36:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:26,544 INFO L225 Difference]: With dead ends: 504 [2021-11-20 07:36:26,544 INFO L226 Difference]: Without dead ends: 273 [2021-11-20 07:36:26,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:26,546 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 47 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:26,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 561 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:26,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-20 07:36:26,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 252. [2021-11-20 07:36:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.5059760956175299) internal successors, (378), 251 states have internal predecessors, (378), 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) [2021-11-20 07:36:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 378 transitions. [2021-11-20 07:36:26,555 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 378 transitions. Word has length 101 [2021-11-20 07:36:26,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:26,555 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 378 transitions. [2021-11-20 07:36:26,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2021-11-20 07:36:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 378 transitions. [2021-11-20 07:36:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-20 07:36:26,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:26,557 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:26,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-20 07:36:26,557 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:26,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash -84114702, now seen corresponding path program 1 times [2021-11-20 07:36:26,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:26,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207780994] [2021-11-20 07:36:26,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:26,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:26,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:26,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207780994] [2021-11-20 07:36:26,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207780994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:26,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:26,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:26,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557247849] [2021-11-20 07:36:26,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:26,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:26,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:26,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:26,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:26,627 INFO L87 Difference]: Start difference. First operand 252 states and 378 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-11-20 07:36:28,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:29,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:29,025 INFO L93 Difference]: Finished difference Result 531 states and 794 transitions. [2021-11-20 07:36:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:29,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 102 [2021-11-20 07:36:29,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:29,028 INFO L225 Difference]: With dead ends: 531 [2021-11-20 07:36:29,028 INFO L226 Difference]: Without dead ends: 300 [2021-11-20 07:36:29,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:29,029 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 98 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:29,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 453 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:29,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-11-20 07:36:29,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 252. [2021-11-20 07:36:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.50199203187251) internal successors, (377), 251 states have internal predecessors, (377), 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) [2021-11-20 07:36:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 377 transitions. [2021-11-20 07:36:29,039 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 377 transitions. Word has length 102 [2021-11-20 07:36:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:29,039 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 377 transitions. [2021-11-20 07:36:29,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-11-20 07:36:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 377 transitions. [2021-11-20 07:36:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-20 07:36:29,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:29,041 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:29,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-20 07:36:29,042 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:29,042 INFO L85 PathProgramCache]: Analyzing trace with hash 476585076, now seen corresponding path program 1 times [2021-11-20 07:36:29,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:29,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936102442] [2021-11-20 07:36:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:29,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:29,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:29,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936102442] [2021-11-20 07:36:29,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936102442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:29,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:29,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:29,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535185216] [2021-11-20 07:36:29,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:29,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:29,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:29,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:29,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:29,112 INFO L87 Difference]: Start difference. First operand 252 states and 377 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-11-20 07:36:31,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:31,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:31,437 INFO L93 Difference]: Finished difference Result 504 states and 756 transitions. [2021-11-20 07:36:31,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:31,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 102 [2021-11-20 07:36:31,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:31,439 INFO L225 Difference]: With dead ends: 504 [2021-11-20 07:36:31,439 INFO L226 Difference]: Without dead ends: 273 [2021-11-20 07:36:31,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:31,440 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 45 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:31,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 559 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-20 07:36:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 252. [2021-11-20 07:36:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.49800796812749) internal successors, (376), 251 states have internal predecessors, (376), 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) [2021-11-20 07:36:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 376 transitions. [2021-11-20 07:36:31,450 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 376 transitions. Word has length 102 [2021-11-20 07:36:31,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:31,451 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 376 transitions. [2021-11-20 07:36:31,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-11-20 07:36:31,451 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 376 transitions. [2021-11-20 07:36:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:36:31,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:31,453 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:31,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-20 07:36:31,453 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:31,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1285223625, now seen corresponding path program 1 times [2021-11-20 07:36:31,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:31,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633428344] [2021-11-20 07:36:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:31,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:31,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:31,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633428344] [2021-11-20 07:36:31,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633428344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:31,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:31,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:31,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766368711] [2021-11-20 07:36:31,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:31,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:31,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:31,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:31,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:31,541 INFO L87 Difference]: Start difference. First operand 252 states and 376 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) [2021-11-20 07:36:33,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:34,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:34,003 INFO L93 Difference]: Finished difference Result 531 states and 790 transitions. [2021-11-20 07:36:34,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:34,004 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 103 [2021-11-20 07:36:34,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:34,006 INFO L225 Difference]: With dead ends: 531 [2021-11-20 07:36:34,006 INFO L226 Difference]: Without dead ends: 300 [2021-11-20 07:36:34,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:34,007 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 96 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:34,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 453 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:34,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-11-20 07:36:34,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 252. [2021-11-20 07:36:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4940239043824701) internal successors, (375), 251 states have internal predecessors, (375), 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) [2021-11-20 07:36:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 375 transitions. [2021-11-20 07:36:34,017 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 375 transitions. Word has length 103 [2021-11-20 07:36:34,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:34,017 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 375 transitions. [2021-11-20 07:36:34,018 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) [2021-11-20 07:36:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 375 transitions. [2021-11-20 07:36:34,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:36:34,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:34,019 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:34,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-20 07:36:34,020 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:34,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:34,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1083399691, now seen corresponding path program 1 times [2021-11-20 07:36:34,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:34,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187105647] [2021-11-20 07:36:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:34,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:34,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:34,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187105647] [2021-11-20 07:36:34,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187105647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:34,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:34,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:34,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258242343] [2021-11-20 07:36:34,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:34,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:34,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:34,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:34,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:34,093 INFO L87 Difference]: Start difference. First operand 252 states and 375 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) [2021-11-20 07:36:36,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:36,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:36,399 INFO L93 Difference]: Finished difference Result 504 states and 752 transitions. [2021-11-20 07:36:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:36,400 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 103 [2021-11-20 07:36:36,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:36,401 INFO L225 Difference]: With dead ends: 504 [2021-11-20 07:36:36,402 INFO L226 Difference]: Without dead ends: 273 [2021-11-20 07:36:36,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:36,403 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 43 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:36,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 557 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:36,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-20 07:36:36,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 252. [2021-11-20 07:36:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4900398406374502) internal successors, (374), 251 states have internal predecessors, (374), 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) [2021-11-20 07:36:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 374 transitions. [2021-11-20 07:36:36,412 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 374 transitions. Word has length 103 [2021-11-20 07:36:36,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:36,412 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 374 transitions. [2021-11-20 07:36:36,413 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) [2021-11-20 07:36:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 374 transitions. [2021-11-20 07:36:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 07:36:36,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:36,414 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:36,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-20 07:36:36,415 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:36,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1067595219, now seen corresponding path program 1 times [2021-11-20 07:36:36,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:36,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857565277] [2021-11-20 07:36:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:36,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:36,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:36,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857565277] [2021-11-20 07:36:36,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857565277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:36,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:36,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:36,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839668545] [2021-11-20 07:36:36,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:36,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:36,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:36,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:36,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:36,484 INFO L87 Difference]: Start difference. First operand 252 states and 374 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-20 07:36:38,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:38,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:38,856 INFO L93 Difference]: Finished difference Result 521 states and 774 transitions. [2021-11-20 07:36:38,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:38,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 104 [2021-11-20 07:36:38,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:38,858 INFO L225 Difference]: With dead ends: 521 [2021-11-20 07:36:38,858 INFO L226 Difference]: Without dead ends: 290 [2021-11-20 07:36:38,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:38,859 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 87 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:38,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 441 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 239 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:36:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-20 07:36:38,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 252. [2021-11-20 07:36:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4860557768924303) internal successors, (373), 251 states have internal predecessors, (373), 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) [2021-11-20 07:36:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 373 transitions. [2021-11-20 07:36:38,868 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 373 transitions. Word has length 104 [2021-11-20 07:36:38,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:38,868 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 373 transitions. [2021-11-20 07:36:38,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-20 07:36:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 373 transitions. [2021-11-20 07:36:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-20 07:36:38,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:38,870 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:38,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-20 07:36:38,870 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:38,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:38,871 INFO L85 PathProgramCache]: Analyzing trace with hash 893979439, now seen corresponding path program 1 times [2021-11-20 07:36:38,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:38,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484851889] [2021-11-20 07:36:38,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:38,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:38,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:38,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484851889] [2021-11-20 07:36:38,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484851889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:38,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:38,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:38,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344606594] [2021-11-20 07:36:38,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:38,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:38,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:38,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:38,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:38,936 INFO L87 Difference]: Start difference. First operand 252 states and 373 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-20 07:36:40,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:41,228 INFO L93 Difference]: Finished difference Result 494 states and 736 transitions. [2021-11-20 07:36:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 104 [2021-11-20 07:36:41,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:41,230 INFO L225 Difference]: With dead ends: 494 [2021-11-20 07:36:41,231 INFO L226 Difference]: Without dead ends: 263 [2021-11-20 07:36:41,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:41,231 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 34 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:41,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 543 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:41,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-11-20 07:36:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 252. [2021-11-20 07:36:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4820717131474104) internal successors, (372), 251 states have internal predecessors, (372), 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) [2021-11-20 07:36:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 372 transitions. [2021-11-20 07:36:41,242 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 372 transitions. Word has length 104 [2021-11-20 07:36:41,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:41,242 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 372 transitions. [2021-11-20 07:36:41,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-20 07:36:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 372 transitions. [2021-11-20 07:36:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:36:41,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:41,244 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:41,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-20 07:36:41,244 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:41,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash 321692089, now seen corresponding path program 1 times [2021-11-20 07:36:41,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:41,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426425012] [2021-11-20 07:36:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:41,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-20 07:36:41,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:41,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426425012] [2021-11-20 07:36:41,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426425012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:41,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:41,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:41,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674752710] [2021-11-20 07:36:41,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:41,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:41,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:41,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:41,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:41,315 INFO L87 Difference]: Start difference. First operand 252 states and 372 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-20 07:36:43,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:43,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:43,655 INFO L93 Difference]: Finished difference Result 521 states and 770 transitions. [2021-11-20 07:36:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:36:43,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 108 [2021-11-20 07:36:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:43,657 INFO L225 Difference]: With dead ends: 521 [2021-11-20 07:36:43,657 INFO L226 Difference]: Without dead ends: 290 [2021-11-20 07:36:43,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:43,658 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 77 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:43,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 453 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 239 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:36:43,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-20 07:36:43,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 252. [2021-11-20 07:36:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4780876494023905) internal successors, (371), 251 states have internal predecessors, (371), 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) [2021-11-20 07:36:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 371 transitions. [2021-11-20 07:36:43,668 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 371 transitions. Word has length 108 [2021-11-20 07:36:43,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:43,669 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 371 transitions. [2021-11-20 07:36:43,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-20 07:36:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 371 transitions. [2021-11-20 07:36:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:36:43,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:43,670 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:43,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-20 07:36:43,671 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:43,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:43,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1364487749, now seen corresponding path program 1 times [2021-11-20 07:36:43,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:43,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350876290] [2021-11-20 07:36:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:43,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-20 07:36:43,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:43,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350876290] [2021-11-20 07:36:43,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350876290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:43,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:43,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:36:43,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839028450] [2021-11-20 07:36:43,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:43,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:36:43,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:43,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:36:43,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:36:43,755 INFO L87 Difference]: Start difference. First operand 252 states and 371 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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) [2021-11-20 07:36:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:43,786 INFO L93 Difference]: Finished difference Result 709 states and 1058 transitions. [2021-11-20 07:36:43,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:36:43,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 108 [2021-11-20 07:36:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:43,790 INFO L225 Difference]: With dead ends: 709 [2021-11-20 07:36:43,790 INFO L226 Difference]: Without dead ends: 478 [2021-11-20 07:36:43,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:36:43,791 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 130 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:43,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 420 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:36:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-11-20 07:36:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2021-11-20 07:36:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 477 states have (on average 1.4842767295597483) internal successors, (708), 477 states have internal predecessors, (708), 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) [2021-11-20 07:36:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 708 transitions. [2021-11-20 07:36:43,809 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 708 transitions. Word has length 108 [2021-11-20 07:36:43,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:43,809 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 708 transitions. [2021-11-20 07:36:43,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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) [2021-11-20 07:36:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 708 transitions. [2021-11-20 07:36:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:36:43,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:43,813 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:43,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-20 07:36:43,814 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:43,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1714325821, now seen corresponding path program 1 times [2021-11-20 07:36:43,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:43,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086935891] [2021-11-20 07:36:43,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:43,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 07:36:43,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:43,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086935891] [2021-11-20 07:36:43,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086935891] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:43,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:43,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:36:43,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522536012] [2021-11-20 07:36:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:43,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:36:43,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:43,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:36:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:36:43,865 INFO L87 Difference]: Start difference. First operand 478 states and 708 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-11-20 07:36:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:43,891 INFO L93 Difference]: Finished difference Result 962 states and 1428 transitions. [2021-11-20 07:36:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:36:43,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 108 [2021-11-20 07:36:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:43,894 INFO L225 Difference]: With dead ends: 962 [2021-11-20 07:36:43,894 INFO L226 Difference]: Without dead ends: 505 [2021-11-20 07:36:43,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:36:43,896 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 15 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:43,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 400 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:36:43,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-11-20 07:36:43,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2021-11-20 07:36:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 504 states have (on average 1.4742063492063493) internal successors, (743), 504 states have internal predecessors, (743), 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) [2021-11-20 07:36:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 743 transitions. [2021-11-20 07:36:43,914 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 743 transitions. Word has length 108 [2021-11-20 07:36:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:43,915 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 743 transitions. [2021-11-20 07:36:43,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2021-11-20 07:36:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 743 transitions. [2021-11-20 07:36:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:36:43,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:43,917 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:43,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-20 07:36:43,917 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:43,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1128049599, now seen corresponding path program 1 times [2021-11-20 07:36:43,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:43,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10271784] [2021-11-20 07:36:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:43,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-20 07:36:43,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:43,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10271784] [2021-11-20 07:36:43,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10271784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:43,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:43,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:36:43,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466494981] [2021-11-20 07:36:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:43,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:36:43,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:43,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:36:43,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:36:43,963 INFO L87 Difference]: Start difference. First operand 505 states and 743 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-11-20 07:36:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:43,984 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2021-11-20 07:36:43,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:36:43,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 108 [2021-11-20 07:36:43,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:43,987 INFO L225 Difference]: With dead ends: 991 [2021-11-20 07:36:43,988 INFO L226 Difference]: Without dead ends: 507 [2021-11-20 07:36:43,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:36:43,989 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 4 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:43,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 379 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:36:43,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-11-20 07:36:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2021-11-20 07:36:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 506 states have (on average 1.4723320158102766) internal successors, (745), 506 states have internal predecessors, (745), 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) [2021-11-20 07:36:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 745 transitions. [2021-11-20 07:36:44,007 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 745 transitions. Word has length 108 [2021-11-20 07:36:44,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:44,007 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 745 transitions. [2021-11-20 07:36:44,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-11-20 07:36:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 745 transitions. [2021-11-20 07:36:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-20 07:36:44,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:44,009 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] [2021-11-20 07:36:44,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-20 07:36:44,010 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:44,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:44,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1128276771, now seen corresponding path program 1 times [2021-11-20 07:36:44,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:44,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969019295] [2021-11-20 07:36:44,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:44,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-20 07:36:44,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:44,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969019295] [2021-11-20 07:36:44,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969019295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:44,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:44,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:36:44,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89064732] [2021-11-20 07:36:44,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:44,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:36:44,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:44,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:36:44,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:44,323 INFO L87 Difference]: Start difference. First operand 507 states and 745 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) [2021-11-20 07:36:46,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:48,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:48,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:48,676 INFO L93 Difference]: Finished difference Result 1011 states and 1486 transitions. [2021-11-20 07:36:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:36:48,677 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 [2021-11-20 07:36:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:48,679 INFO L225 Difference]: With dead ends: 1011 [2021-11-20 07:36:48,680 INFO L226 Difference]: Without dead ends: 507 [2021-11-20 07:36:48,680 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 [2021-11-20 07:36:48,681 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 [2021-11-20 07:36:48,681 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] [2021-11-20 07:36:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-11-20 07:36:48,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2021-11-20 07:36:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 506 states have (on average 1.4703557312252964) internal successors, (744), 506 states have internal predecessors, (744), 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) [2021-11-20 07:36:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 744 transitions. [2021-11-20 07:36:48,699 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 744 transitions. Word has length 127 [2021-11-20 07:36:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:48,699 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 744 transitions. [2021-11-20 07:36:48,700 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) [2021-11-20 07:36:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 744 transitions. [2021-11-20 07:36:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-20 07:36:48,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:48,702 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] [2021-11-20 07:36:48,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-20 07:36:48,702 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:48,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1834873377, now seen corresponding path program 1 times [2021-11-20 07:36:48,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:48,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197696252] [2021-11-20 07:36:48,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:48,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:36:48,947 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:36:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:36:49,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:36:49,208 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:36:49,209 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:36:49,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-20 07:36:49,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:49,217 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:36:49,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:36:49 BoogieIcfgContainer [2021-11-20 07:36:49,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:36:49,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:36:49,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:36:49,403 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:36:49,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:10" (3/4) ... [2021-11-20 07:36:49,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:36:49,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:36:49,408 INFO L158 Benchmark]: Toolchain (without parser) took 102675.34ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 65.9MB in the beginning and 114.4MB in the end (delta: -48.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-20 07:36:49,408 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 65.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:36:49,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.25ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 45.5MB in the end (delta: 20.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 07:36:49,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.09ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 45.5MB in the beginning and 97.6MB in the end (delta: -52.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-20 07:36:49,409 INFO L158 Benchmark]: Boogie Preprocessor took 114.47ms. Allocated memory is still 125.8MB. Free memory was 97.6MB in the beginning and 90.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:36:49,409 INFO L158 Benchmark]: RCFGBuilder took 3321.26ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 87.8MB in the end (delta: 3.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-11-20 07:36:49,410 INFO L158 Benchmark]: TraceAbstraction took 98418.22ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 87.5MB in the beginning and 114.4MB in the end (delta: -26.8MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2021-11-20 07:36:49,410 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 161.5MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:36:49,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 65.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.25ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 45.5MB in the end (delta: 20.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.09ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 45.5MB in the beginning and 97.6MB in the end (delta: -52.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.47ms. Allocated memory is still 125.8MB. Free memory was 97.6MB in the beginning and 90.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3321.26ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 87.8MB in the end (delta: 3.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 98418.22ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 87.5MB in the beginning and 114.4MB in the end (delta: -26.8MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 161.5MB. Free memory is still 114.4MB. 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={-7:0}, s={-7:0}, s->info_callback={0:-12}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, (s->s3)->tmp.reuse_message=4294967321, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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] [L1383] COND TRUE s->hit [L1384] s->state = 8656 VAL [={0:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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] [L1388] s->init_num = 0 VAL [={0:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, (s->s3)->tmp.reuse_message=4294967321, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-7:0}, s={-7:0}, 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 [L1581] EXPR s->session [L1581] EXPR s->s3 [L1581] EXPR (s->s3)->tmp.new_cipher [L1581] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1582] COND FALSE !(! tmp___9) [L1588] ret = __VERIFIER_nondet_int() [L1589] COND TRUE blastFlag == 2 [L1590] blastFlag = 4 VAL [={0:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, (s->s3)->tmp.reuse_message=4294967321, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-7:0}, s={-7:0}, 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 == 4 VAL [={0:-12}, blastFlag=4, got_new_session=1, init=1, ret=-14, s={-7:0}, s={-7:0}, 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:-12}, blastFlag=4, got_new_session=1, init=1, ret=-14, s={-7:0}, s={-7:0}, 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: 98.2s, OverallIterations: 42, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 93.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 40 mSolverCounterUnknown, 2096 SdHoareTripleChecker+Valid, 92.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2096 mSDsluCounter, 19346 SdHoareTripleChecker+Invalid, 89.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11522 mSDsCounter, 346 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7142 IncrementalHoareTripleChecker+Invalid, 7528 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 346 mSolverCounterUnsat, 7824 mSDtfsCounter, 7142 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 83 SyntacticMatches, 29 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=507occurred in iteration=40, InterpolantAutomatonStates: 165, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 41 MinimizatonAttempts, 924 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3709 NumberOfCodeBlocks, 3709 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 3541 ConstructedInterpolants, 0 QuantifiedInterpolants, 9600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 PerfectInterpolantSequences, 1839/1839 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 [2021-11-20 07:36:49,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF --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 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:36:51,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:36:51,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:36:51,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:36:51,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:36:51,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:36:51,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:36:51,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:36:51,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:36:51,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:36:51,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:36:51,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:36:51,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:36:51,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:36:51,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:36:51,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:36:51,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:36:51,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:36:51,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:36:51,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:36:51,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:36:51,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:36:51,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:36:51,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:36:51,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:36:51,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:36:51,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:36:51,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:36:51,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:36:51,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:36:51,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:36:51,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:36:51,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:36:51,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:36:51,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:36:51,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:36:51,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:36:51,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:36:51,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:36:51,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:36:51,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:36:51,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 07:36:51,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:36:51,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:36:51,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:36:51,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:36:51,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:36:51,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:36:51,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:36:51,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:36:51,987 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:36:51,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:36:51,989 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:36:51,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:36:51,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:36:51,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:36:51,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:36:51,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:36:51,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:36:51,991 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:36:51,991 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:36:51,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:36:51,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:36:51,992 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:36:51,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:36:51,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:36:51,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:36:51,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:36:51,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:36:51,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:36:51,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:36:51,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:36:51,995 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:36:51,995 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:36:51,996 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:36:51,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:36:51,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:36:51,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:36:51,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:36:51,997 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2021-11-20 07:36:52,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:36:52,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:36:52,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:36:52,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:36:52,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:36:52,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-20 07:36:52,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/05a8ae9ff/8b616d6d03a04f92aa70bfac68d39d6e/FLAG3168edfdf [2021-11-20 07:36:53,109 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:36:53,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-20 07:36:53,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/05a8ae9ff/8b616d6d03a04f92aa70bfac68d39d6e/FLAG3168edfdf [2021-11-20 07:36:53,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/data/05a8ae9ff/8b616d6d03a04f92aa70bfac68d39d6e [2021-11-20 07:36:53,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:36:53,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:36:53,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:36:53,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:36:53,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:36:53,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:36:53" (1/1) ... [2021-11-20 07:36:53,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@859aafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:53, skipping insertion in model container [2021-11-20 07:36:53,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:36:53" (1/1) ... [2021-11-20 07:36:53,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:36:53,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:36:53,869 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-20 07:36:53,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:36:53,930 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 07:36:53,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:36:54,178 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-20 07:36:54,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:36:54,200 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:36:54,379 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_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-20 07:36:54,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:36:54,403 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:36:54,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54 WrapperNode [2021-11-20 07:36:54,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:36:54,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:36:54,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:36:54,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:36:54,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,508 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-11-20 07:36:54,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:36:54,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:36:54,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:36:54,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:36:54,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:36:54,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:36:54,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:36:54,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:36:54,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (1/1) ... [2021-11-20 07:36:54,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:36:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:36:54,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:36:54,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:36:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:36:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:36:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:36:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:36:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:36:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:36:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:36:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:36:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:36:54,941 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:36:54,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:36:54,979 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 07:37:05,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-20 07:37:05,237 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-20 07:37:05,237 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:37:05,246 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:37:05,246 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:37:05,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:37:05 BoogieIcfgContainer [2021-11-20 07:37:05,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:37:05,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:37:05,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:37:05,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:37:05,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:36:53" (1/3) ... [2021-11-20 07:37:05,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb6e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:37:05, skipping insertion in model container [2021-11-20 07:37:05,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:36:54" (2/3) ... [2021-11-20 07:37:05,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb6e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:37:05, skipping insertion in model container [2021-11-20 07:37:05,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:37:05" (3/3) ... [2021-11-20 07:37:05,257 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2021-11-20 07:37:05,262 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:37:05,262 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:37:05,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:37:05,329 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 [2021-11-20 07:37:05,329 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:37:05,348 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) [2021-11-20 07:37:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 07:37:05,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:05,358 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] [2021-11-20 07:37:05,359 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:05,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:05,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-11-20 07:37:05,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:37:05,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829383354] [2021-11-20 07:37:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:05,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:37:05,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:37:05,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:37:05,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 07:37:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:05,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:37:05,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:37:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:06,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:37:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:06,367 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:37:06,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829383354] [2021-11-20 07:37:06,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829383354] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:06,368 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:06,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 07:37:06,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193919889] [2021-11-20 07:37:06,377 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:06,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:37:06,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:37:06,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:37:06,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:37:06,430 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 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:37:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:06,657 INFO L93 Difference]: Finished difference Result 542 states and 920 transitions. [2021-11-20 07:37:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:37:06,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 [2021-11-20 07:37:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:06,687 INFO L225 Difference]: With dead ends: 542 [2021-11-20 07:37:06,687 INFO L226 Difference]: Without dead ends: 368 [2021-11-20 07:37:06,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:37:06,695 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 370 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:06,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 671 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:37:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-20 07:37:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-11-20 07:37:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.5231607629427792) internal successors, (559), 367 states have internal predecessors, (559), 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) [2021-11-20 07:37:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 559 transitions. [2021-11-20 07:37:06,764 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 559 transitions. Word has length 47 [2021-11-20 07:37:06,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:06,765 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 559 transitions. [2021-11-20 07:37:06,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-20 07:37:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 559 transitions. [2021-11-20 07:37:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-20 07:37:06,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:06,774 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] [2021-11-20 07:37:06,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:37:06,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:37:06,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:06,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash -709781834, now seen corresponding path program 1 times [2021-11-20 07:37:06,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:37:06,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267010714] [2021-11-20 07:37:06,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:06,992 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:37:06,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:37:06,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:37:07,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 07:37:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:37:07,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:37:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:07,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:37:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:08,192 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:37:08,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267010714] [2021-11-20 07:37:08,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267010714] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:08,196 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:08,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 07:37:08,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218044466] [2021-11-20 07:37:08,199 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:08,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:37:08,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:37:08,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:37:08,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:37:08,207 INFO L87 Difference]: Start difference. First operand 368 states and 559 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2021-11-20 07:37:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:08,397 INFO L93 Difference]: Finished difference Result 841 states and 1285 transitions. [2021-11-20 07:37:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:37:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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 [2021-11-20 07:37:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:08,404 INFO L225 Difference]: With dead ends: 841 [2021-11-20 07:37:08,405 INFO L226 Difference]: Without dead ends: 602 [2021-11-20 07:37:08,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:37:08,412 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 289 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:08,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 723 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:37:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-11-20 07:37:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-11-20 07:37:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.519134775374376) internal successors, (913), 601 states have internal predecessors, (913), 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) [2021-11-20 07:37:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 913 transitions. [2021-11-20 07:37:08,492 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 913 transitions. Word has length 105 [2021-11-20 07:37:08,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:08,496 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 913 transitions. [2021-11-20 07:37:08,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2021-11-20 07:37:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 913 transitions. [2021-11-20 07:37:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-20 07:37:08,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:08,509 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] [2021-11-20 07:37:08,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:37:08,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:37:08,729 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:08,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:08,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1128276771, now seen corresponding path program 1 times [2021-11-20 07:37:08,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:37:08,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312198333] [2021-11-20 07:37:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:08,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:37:08,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:37:08,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:37:08,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 07:37:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:09,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 07:37:09,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:37:09,495 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 [2021-11-20 07:37:09,508 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 [2021-11-20 07:37:09,599 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 0 case distinctions, treesize of input 169 treesize of output 158 [2021-11-20 07:37:10,132 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-11-20 07:37:10,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 797 treesize of output 769 [2021-11-20 07:37:10,268 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 0 case distinctions, treesize of input 169 treesize of output 158 [2021-11-20 07:37:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 77 treesize of output 49 [2021-11-20 07:37:10,509 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-11-20 07:37:10,510 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 62 treesize of output 13 [2021-11-20 07:37:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:37:10,548 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 62 treesize of output 13 [2021-11-20 07:37:10,586 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 37 treesize of output 25 [2021-11-20 07:37:10,591 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 22 treesize of output 10 [2021-11-20 07:37:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-20 07:37:10,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:37:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-20 07:37:11,902 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:37:11,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312198333] [2021-11-20 07:37:11,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312198333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:11,903 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:11,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 07:37:11,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010988661] [2021-11-20 07:37:11,904 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:11,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:37:11,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:37:11,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:37:11,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:37:11,906 INFO L87 Difference]: Start difference. First operand 602 states and 913 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-11-20 07:37:13,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:16,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:20,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:23,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:24,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:24,250 INFO L93 Difference]: Finished difference Result 1201 states and 1822 transitions. [2021-11-20 07:37:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:37:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 [2021-11-20 07:37:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:24,259 INFO L225 Difference]: With dead ends: 1201 [2021-11-20 07:37:24,260 INFO L226 Difference]: Without dead ends: 602 [2021-11-20 07:37:24,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:37:24,262 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 5 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:24,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 925 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 1 Unknown, 58 Unchecked, 12.3s Time] [2021-11-20 07:37:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-11-20 07:37:24,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-11-20 07:37:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.5174708818635607) internal successors, (912), 601 states have internal predecessors, (912), 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) [2021-11-20 07:37:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 912 transitions. [2021-11-20 07:37:24,285 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 912 transitions. Word has length 127 [2021-11-20 07:37:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:24,286 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 912 transitions. [2021-11-20 07:37:24,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-11-20 07:37:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 912 transitions. [2021-11-20 07:37:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-20 07:37:24,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:24,289 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] [2021-11-20 07:37:24,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:37:24,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:37:24,520 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:24,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:24,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1834873377, now seen corresponding path program 1 times [2021-11-20 07:37:24,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:37:24,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100115216] [2021-11-20 07:37:24,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:24,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:37:24,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:37:24,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:37:24,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 07:37:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:37:26,393 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:37:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:37:29,004 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-20 07:37:29,005 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:37:29,006 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:37:29,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:37:29,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:37:29,234 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 07:37:29,240 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:37:29,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:37:29 BoogieIcfgContainer [2021-11-20 07:37:29,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:37:29,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:37:29,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:37:29,438 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:37:29,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:37:05" (3/4) ... [2021-11-20 07:37:29,440 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 07:37:29,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:37:29,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:37:29,583 INFO L158 Benchmark]: Toolchain (without parser) took 36252.33ms. Allocated memory was 58.7MB in the beginning and 130.0MB in the end (delta: 71.3MB). Free memory was 34.3MB in the beginning and 37.7MB in the end (delta: -3.4MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,584 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:37:29,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1071.28ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 34.2MB in the beginning and 53.3MB in the end (delta: -19.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.95ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 48.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,585 INFO L158 Benchmark]: Boogie Preprocessor took 126.11ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 41.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,585 INFO L158 Benchmark]: RCFGBuilder took 10603.32ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.2MB in the beginning and 44.0MB in the end (delta: -2.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,586 INFO L158 Benchmark]: TraceAbstraction took 24186.35ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 55.5MB in the end (delta: -11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,586 INFO L158 Benchmark]: Witness Printer took 145.31ms. Allocated memory is still 130.0MB. Free memory was 55.5MB in the beginning and 37.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 07:37:29,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1071.28ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 34.2MB in the beginning and 53.3MB in the end (delta: -19.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.95ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 48.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.11ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 41.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 10603.32ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.2MB in the beginning and 44.0MB in the end (delta: -2.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24186.35ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 55.5MB in the end (delta: -11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 145.31ms. Allocated memory is still 130.0MB. Free memory was 55.5MB in the beginning and 37.7MB in the end (delta: 17.8MB). 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={7:0}, s={7:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5] [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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5, tmp___1=0] [L1161] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={7:0}, s={7:0}, s->cert={1073741824:0}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5, 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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->s3={1073741825:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1383] COND TRUE s->hit [L1384] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1388] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->s3={1073741825:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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={7:0}, s={7:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, tmp___1=0] [L1260] COND TRUE s->state == 8656 [L1581] EXPR s->session [L1581] EXPR s->s3 [L1581] EXPR (s->s3)->tmp.new_cipher [L1581] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1582] COND FALSE !(! tmp___9) [L1588] ret = __VERIFIER_nondet_int() [L1589] COND TRUE blastFlag == 2 [L1590] blastFlag = 4 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, tmp___1=0, tmp___9=2] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, tmp___1=0, tmp___9=2] [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->s3={1073741825:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=5, tmp=5, 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=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={7:0}, s={7:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 4 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=8, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, tmp___1=0, tmp___10=2, tmp___9=2] [L1733] reach_error() VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=8, s={7:0}, s={7:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=5, tmp=5, 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: 23.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 664 mSDsluCounter, 2319 SdHoareTripleChecker+Invalid, 12.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 58 IncrementalHoareTripleChecker+Unchecked, 1530 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 789 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 541 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=2, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 552 ConstructedInterpolants, 1 QuantifiedInterpolants, 1223 SizeOfPredicates, 12 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 322/322 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! [2021-11-20 07:37:29,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58ba5c73-7e5f-4c42-92e6-15daebf3adf8/bin/uautomizer-DQz5hQGWxF/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE