./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd6854ce29c7bf580cd3e782b287f65f1203c66552ea1ec9f0128f94f0f3ec92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:32:46,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:32:46,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:32:46,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:32:46,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:32:46,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:32:46,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:32:46,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:32:46,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:32:46,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:32:46,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:32:46,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:32:46,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:32:46,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:32:46,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:32:46,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:32:46,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:32:46,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:32:46,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:32:46,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:32:46,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:32:46,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:32:46,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:32:46,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:32:46,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:32:46,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:32:46,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:32:46,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:32:46,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:32:46,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:32:46,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:32:46,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:32:46,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:32:46,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:32:46,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:32:46,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:32:46,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:32:46,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:32:46,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:32:46,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:32:46,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:32:46,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:32:46,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:32:46,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:32:46,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:32:46,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:32:46,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:32:46,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:32:46,668 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:32:46,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:32:46,668 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:32:46,668 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:32:46,669 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:32:46,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:32:46,669 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:32:46,669 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:32:46,669 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:32:46,670 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:32:46,670 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:32:46,670 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:32:46,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:32:46,671 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:32:46,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:32:46,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:32:46,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:32:46,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:32:46,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:32:46,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:32:46,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:32:46,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:32:46,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:32:46,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:32:46,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:32:46,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:32:46,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:32:46,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:32:46,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:32:46,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:32:46,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:32:46,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:32:46,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:32:46,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:32:46,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:32:46,676 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6854ce29c7bf580cd3e782b287f65f1203c66552ea1ec9f0128f94f0f3ec92 [2021-11-23 03:32:46,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:32:47,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:32:47,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:32:47,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:32:47,043 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:32:47,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2021-11-23 03:32:47,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/data/5e418fb95/1eae97a034444b4592713648bf4b645e/FLAGec1070d1d [2021-11-23 03:32:47,645 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:32:47,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2021-11-23 03:32:47,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/data/5e418fb95/1eae97a034444b4592713648bf4b645e/FLAGec1070d1d [2021-11-23 03:32:47,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/data/5e418fb95/1eae97a034444b4592713648bf4b645e [2021-11-23 03:32:47,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:32:47,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:32:47,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:32:47,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:32:47,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:32:47,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:47" (1/1) ... [2021-11-23 03:32:47,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcfcd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:47, skipping insertion in model container [2021-11-23 03:32:47,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:47" (1/1) ... [2021-11-23 03:32:47,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:32:48,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:32:48,260 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_a1c6878a-06f9-45c2-b234-a42aa98fbd26/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c[37413,37426] [2021-11-23 03:32:48,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:32:48,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:32:48,336 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_a1c6878a-06f9-45c2-b234-a42aa98fbd26/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c[37413,37426] [2021-11-23 03:32:48,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:32:48,353 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:32:48,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48 WrapperNode [2021-11-23 03:32:48,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:32:48,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:32:48,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:32:48,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:32:48,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,463 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 475 [2021-11-23 03:32:48,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:32:48,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:32:48,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:32:48,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:32:48,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:32:48,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:32:48,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:32:48,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:32:48,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (1/1) ... [2021-11-23 03:32:48,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:32:48,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:32:48,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:32:48,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:32:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:32:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:32:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:32:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:32:48,779 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:32:48,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:32:48,801 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 03:32:49,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-23 03:32:49,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-23 03:32:49,462 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:32:49,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:32:49,689 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:32:49,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:32:49 BoogieIcfgContainer [2021-11-23 03:32:49,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:32:49,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:32:49,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:32:49,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:32:49,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:32:47" (1/3) ... [2021-11-23 03:32:49,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d13e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:32:49, skipping insertion in model container [2021-11-23 03:32:49,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:48" (2/3) ... [2021-11-23 03:32:49,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d13e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:32:49, skipping insertion in model container [2021-11-23 03:32:49,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:32:49" (3/3) ... [2021-11-23 03:32:49,702 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2021-11-23 03:32:49,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:32:49,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:32:49,758 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:32:49,765 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=FINITE_AUTOMATA, 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 [2021-11-23 03:32:49,766 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:32:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 03:32:49,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:49,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:49,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:49,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:49,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1079361268, now seen corresponding path program 1 times [2021-11-23 03:32:49,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:49,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081982788] [2021-11-23 03:32:49,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:49,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:32:50,028 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:50,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081982788] [2021-11-23 03:32:50,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081982788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:50,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:50,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:50,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639970019] [2021-11-23 03:32:50,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:50,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:50,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:50,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:50,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:50,070 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:50,268 INFO L93 Difference]: Finished difference Result 196 states and 338 transitions. [2021-11-23 03:32:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:50,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-11-23 03:32:50,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:50,282 INFO L225 Difference]: With dead ends: 196 [2021-11-23 03:32:50,282 INFO L226 Difference]: Without dead ends: 107 [2021-11-23 03:32:50,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:50,289 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 109 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:50,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 79 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-23 03:32:50,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102. [2021-11-23 03:32:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 101 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2021-11-23 03:32:50,338 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 19 [2021-11-23 03:32:50,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:50,339 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2021-11-23 03:32:50,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2021-11-23 03:32:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:32:50,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:50,341 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] [2021-11-23 03:32:50,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:32:50,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:50,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:50,343 INFO L85 PathProgramCache]: Analyzing trace with hash 894912901, now seen corresponding path program 1 times [2021-11-23 03:32:50,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:50,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623695644] [2021-11-23 03:32:50,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:50,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:32:50,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:50,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623695644] [2021-11-23 03:32:50,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623695644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:50,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:50,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:50,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422555844] [2021-11-23 03:32:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:50,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:50,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:50,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:50,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:50,416 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:50,561 INFO L93 Difference]: Finished difference Result 230 states and 354 transitions. [2021-11-23 03:32:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:50,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-11-23 03:32:50,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:50,565 INFO L225 Difference]: With dead ends: 230 [2021-11-23 03:32:50,565 INFO L226 Difference]: Without dead ends: 129 [2021-11-23 03:32:50,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:50,568 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 85 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:50,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 53 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:50,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-23 03:32:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 124. [2021-11-23 03:32:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 123 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 194 transitions. [2021-11-23 03:32:50,594 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 194 transitions. Word has length 20 [2021-11-23 03:32:50,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:50,596 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 194 transitions. [2021-11-23 03:32:50,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2021-11-23 03:32:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 03:32:50,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:50,603 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:32:50,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:32:50,604 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1901329050, now seen corresponding path program 1 times [2021-11-23 03:32:50,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:50,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314452400] [2021-11-23 03:32:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:50,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:32:50,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:50,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314452400] [2021-11-23 03:32:50,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314452400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:50,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:50,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:50,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198299882] [2021-11-23 03:32:50,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:50,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:50,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:50,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:50,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:50,706 INFO L87 Difference]: Start difference. First operand 124 states and 194 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:50,881 INFO L93 Difference]: Finished difference Result 268 states and 423 transitions. [2021-11-23 03:32:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:50,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-11-23 03:32:50,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:50,889 INFO L225 Difference]: With dead ends: 268 [2021-11-23 03:32:50,889 INFO L226 Difference]: Without dead ends: 145 [2021-11-23 03:32:50,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:50,893 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 88 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:50,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 49 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:50,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-23 03:32:50,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-11-23 03:32:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.591549295774648) internal successors, (226), 142 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 226 transitions. [2021-11-23 03:32:50,927 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 226 transitions. Word has length 37 [2021-11-23 03:32:50,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:50,928 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 226 transitions. [2021-11-23 03:32:50,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2021-11-23 03:32:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 03:32:50,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:50,936 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:50,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:32:50,937 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1209703999, now seen corresponding path program 1 times [2021-11-23 03:32:50,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:50,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234352680] [2021-11-23 03:32:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:50,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:32:51,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:51,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234352680] [2021-11-23 03:32:51,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234352680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:51,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:51,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:51,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093387552] [2021-11-23 03:32:51,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:51,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:51,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:51,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:51,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,046 INFO L87 Difference]: Start difference. First operand 143 states and 226 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:51,194 INFO L93 Difference]: Finished difference Result 287 states and 453 transitions. [2021-11-23 03:32:51,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:51,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2021-11-23 03:32:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:51,197 INFO L225 Difference]: With dead ends: 287 [2021-11-23 03:32:51,197 INFO L226 Difference]: Without dead ends: 145 [2021-11-23 03:32:51,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,210 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 87 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:51,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 49 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:51,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-23 03:32:51,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-11-23 03:32:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5774647887323943) internal successors, (224), 142 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 224 transitions. [2021-11-23 03:32:51,237 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 224 transitions. Word has length 38 [2021-11-23 03:32:51,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:51,238 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 224 transitions. [2021-11-23 03:32:51,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 224 transitions. [2021-11-23 03:32:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:32:51,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:51,244 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:51,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:32:51,245 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2016074604, now seen corresponding path program 1 times [2021-11-23 03:32:51,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:51,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610879486] [2021-11-23 03:32:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:51,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 03:32:51,297 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:51,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610879486] [2021-11-23 03:32:51,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610879486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:51,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:51,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:51,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574123306] [2021-11-23 03:32:51,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:51,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:51,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:51,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:51,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,300 INFO L87 Difference]: Start difference. First operand 143 states and 224 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:51,417 INFO L93 Difference]: Finished difference Result 305 states and 481 transitions. [2021-11-23 03:32:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:51,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 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 52 [2021-11-23 03:32:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:51,420 INFO L225 Difference]: With dead ends: 305 [2021-11-23 03:32:51,420 INFO L226 Difference]: Without dead ends: 163 [2021-11-23 03:32:51,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,422 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 90 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:51,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 51 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:51,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-23 03:32:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2021-11-23 03:32:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.578616352201258) internal successors, (251), 159 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 251 transitions. [2021-11-23 03:32:51,434 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 251 transitions. Word has length 52 [2021-11-23 03:32:51,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:51,435 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 251 transitions. [2021-11-23 03:32:51,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 251 transitions. [2021-11-23 03:32:51,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 03:32:51,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:51,437 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:32:51,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:32:51,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:51,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:51,438 INFO L85 PathProgramCache]: Analyzing trace with hash 879629819, now seen corresponding path program 1 times [2021-11-23 03:32:51,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:51,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438140388] [2021-11-23 03:32:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:51,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 03:32:51,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:51,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438140388] [2021-11-23 03:32:51,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438140388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:51,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:51,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:51,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823004864] [2021-11-23 03:32:51,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:51,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:51,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:51,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:51,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,484 INFO L87 Difference]: Start difference. First operand 160 states and 251 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:51,629 INFO L93 Difference]: Finished difference Result 322 states and 505 transitions. [2021-11-23 03:32:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 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 53 [2021-11-23 03:32:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:51,631 INFO L225 Difference]: With dead ends: 322 [2021-11-23 03:32:51,632 INFO L226 Difference]: Without dead ends: 163 [2021-11-23 03:32:51,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,635 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 89 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:51,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 51 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:51,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-23 03:32:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2021-11-23 03:32:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.559748427672956) internal successors, (248), 159 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) [2021-11-23 03:32:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2021-11-23 03:32:51,655 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 53 [2021-11-23 03:32:51,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:51,657 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2021-11-23 03:32:51,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2021-11-23 03:32:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 03:32:51,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:51,661 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:51,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:32:51,661 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:51,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:51,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2020368932, now seen corresponding path program 1 times [2021-11-23 03:32:51,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:51,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156608194] [2021-11-23 03:32:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:51,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:32:51,782 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:51,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156608194] [2021-11-23 03:32:51,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156608194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:51,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:51,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:51,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945562810] [2021-11-23 03:32:51,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:51,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:51,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:51,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:51,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,789 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:51,978 INFO L93 Difference]: Finished difference Result 358 states and 562 transitions. [2021-11-23 03:32:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:51,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2021-11-23 03:32:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:51,981 INFO L225 Difference]: With dead ends: 358 [2021-11-23 03:32:51,982 INFO L226 Difference]: Without dead ends: 198 [2021-11-23 03:32:51,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:51,983 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 62 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:51,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 55 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:32:51,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-23 03:32:51,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-23 03:32:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.5888324873096447) internal successors, (313), 197 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 313 transitions. [2021-11-23 03:32:52,000 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 313 transitions. Word has length 56 [2021-11-23 03:32:52,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:52,000 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 313 transitions. [2021-11-23 03:32:52,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 313 transitions. [2021-11-23 03:32:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:32:52,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:52,002 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:52,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:32:52,003 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:52,005 INFO L85 PathProgramCache]: Analyzing trace with hash 118641364, now seen corresponding path program 1 times [2021-11-23 03:32:52,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:52,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445068843] [2021-11-23 03:32:52,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:52,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 03:32:52,084 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:52,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445068843] [2021-11-23 03:32:52,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445068843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:52,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:52,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:52,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858599272] [2021-11-23 03:32:52,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:52,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:52,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:52,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,088 INFO L87 Difference]: Start difference. First operand 198 states and 313 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:52,204 INFO L93 Difference]: Finished difference Result 412 states and 653 transitions. [2021-11-23 03:32:52,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:52,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-23 03:32:52,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:52,211 INFO L225 Difference]: With dead ends: 412 [2021-11-23 03:32:52,211 INFO L226 Difference]: Without dead ends: 215 [2021-11-23 03:32:52,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,214 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 92 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:52,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 49 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-23 03:32:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-23 03:32:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.5754716981132075) internal successors, (334), 212 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 334 transitions. [2021-11-23 03:32:52,237 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 334 transitions. Word has length 65 [2021-11-23 03:32:52,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:52,238 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 334 transitions. [2021-11-23 03:32:52,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 334 transitions. [2021-11-23 03:32:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:32:52,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:52,241 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:52,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:32:52,242 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:52,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:52,242 INFO L85 PathProgramCache]: Analyzing trace with hash -346686099, now seen corresponding path program 1 times [2021-11-23 03:32:52,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:52,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102676139] [2021-11-23 03:32:52,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:52,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 03:32:52,321 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:52,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102676139] [2021-11-23 03:32:52,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102676139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:52,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:52,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:52,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103670331] [2021-11-23 03:32:52,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:52,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:52,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:52,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:52,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,325 INFO L87 Difference]: Start difference. First operand 213 states and 334 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:52,452 INFO L93 Difference]: Finished difference Result 427 states and 669 transitions. [2021-11-23 03:32:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:52,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 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 66 [2021-11-23 03:32:52,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:52,455 INFO L225 Difference]: With dead ends: 427 [2021-11-23 03:32:52,456 INFO L226 Difference]: Without dead ends: 215 [2021-11-23 03:32:52,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,459 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:52,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 49 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-23 03:32:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-23 03:32:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.5518867924528301) internal successors, (329), 212 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 329 transitions. [2021-11-23 03:32:52,473 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 329 transitions. Word has length 66 [2021-11-23 03:32:52,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:52,473 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 329 transitions. [2021-11-23 03:32:52,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 329 transitions. [2021-11-23 03:32:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 03:32:52,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:52,475 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:52,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:32:52,476 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:52,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1344513448, now seen corresponding path program 1 times [2021-11-23 03:32:52,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:52,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654394179] [2021-11-23 03:32:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:52,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-23 03:32:52,527 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:52,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654394179] [2021-11-23 03:32:52,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654394179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:52,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:52,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:52,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954415127] [2021-11-23 03:32:52,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:52,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:52,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:52,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,530 INFO L87 Difference]: Start difference. First operand 213 states and 329 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:52,673 INFO L93 Difference]: Finished difference Result 440 states and 681 transitions. [2021-11-23 03:32:52,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:52,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 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 76 [2021-11-23 03:32:52,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:52,677 INFO L225 Difference]: With dead ends: 440 [2021-11-23 03:32:52,678 INFO L226 Difference]: Without dead ends: 228 [2021-11-23 03:32:52,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,679 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 94 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:52,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 57 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:52,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-23 03:32:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2021-11-23 03:32:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.5333333333333334) internal successors, (345), 225 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 345 transitions. [2021-11-23 03:32:52,695 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 345 transitions. Word has length 76 [2021-11-23 03:32:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:52,696 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 345 transitions. [2021-11-23 03:32:52,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 345 transitions. [2021-11-23 03:32:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 03:32:52,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:52,700 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:52,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:32:52,701 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:52,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:52,701 INFO L85 PathProgramCache]: Analyzing trace with hash -876024449, now seen corresponding path program 1 times [2021-11-23 03:32:52,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:52,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659289781] [2021-11-23 03:32:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:52,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-23 03:32:52,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:52,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659289781] [2021-11-23 03:32:52,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659289781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:32:52,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:32:52,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:32:52,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805962085] [2021-11-23 03:32:52,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:32:52,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:32:52,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:32:52,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:32:52,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,764 INFO L87 Difference]: Start difference. First operand 226 states and 345 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:32:52,866 INFO L93 Difference]: Finished difference Result 453 states and 691 transitions. [2021-11-23 03:32:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:32:52,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 [2021-11-23 03:32:52,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:32:52,869 INFO L225 Difference]: With dead ends: 453 [2021-11-23 03:32:52,869 INFO L226 Difference]: Without dead ends: 228 [2021-11-23 03:32:52,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:32:52,872 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 93 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:32:52,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 49 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:32:52,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-23 03:32:52,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2021-11-23 03:32:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.5066666666666666) internal successors, (339), 225 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 339 transitions. [2021-11-23 03:32:52,886 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 339 transitions. Word has length 77 [2021-11-23 03:32:52,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:32:52,886 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 339 transitions. [2021-11-23 03:32:52,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:32:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 339 transitions. [2021-11-23 03:32:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 03:32:52,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:32:52,892 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:32:52,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 03:32:52,893 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:32:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:32:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1009770334, now seen corresponding path program 1 times [2021-11-23 03:32:52,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:32:52,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003003852] [2021-11-23 03:32:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:52,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:32:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 03:32:53,007 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:32:53,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003003852] [2021-11-23 03:32:53,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003003852] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:32:53,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350208829] [2021-11-23 03:32:53,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:32:53,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:32:53,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:32:53,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:32:53,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:32:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:32:53,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:32:53,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:32:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 03:32:53,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:32:53,754 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 03:32:53,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350208829] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:32:53,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1040251650] [2021-11-23 03:32:53,784 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2021-11-23 03:32:53,784 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:32:53,796 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:32:53,802 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:32:53,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:33:07,621 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:33:28,664 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7125#(and (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_connect_~initial_state#1| 12292) (= |ULTIMATE.start_ssl3_connect_~tmp___0~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__s3__flags~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_renegotiate~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_~initial_state#1|) (<= |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1| 2147483648) (<= |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483648)) (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483647) (= 12292 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__flags~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_#in~initial_state#1| 12292) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~skip~0#1| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~s__init_buf___0~0#1| 1) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~ret~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~ret~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~state~0#1| |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483648)) (<= 0 (+ 2147483647 |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483647) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_#in~initial_state#1|) (= |#NULL.base| 0) (<= |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483647))' at error location [2021-11-23 03:33:28,665 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:33:28,665 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 03:33:28,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 7 [2021-11-23 03:33:28,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847207764] [2021-11-23 03:33:28,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 03:33:28,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:33:28,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:28,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:33:28,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1266, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 03:33:28,669 INFO L87 Difference]: Start difference. First operand 226 states and 339 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:28,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:28,925 INFO L93 Difference]: Finished difference Result 1266 states and 1912 transitions. [2021-11-23 03:33:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:33:28,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 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 85 [2021-11-23 03:33:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:28,935 INFO L225 Difference]: With dead ends: 1266 [2021-11-23 03:33:28,935 INFO L226 Difference]: Without dead ends: 1264 [2021-11-23 03:33:28,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=216, Invalid=1266, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 03:33:28,938 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 827 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:28,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 1106 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:33:28,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-11-23 03:33:28,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1260. [2021-11-23 03:33:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1259 states have (on average 1.5107227958697378) internal successors, (1902), 1259 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1902 transitions. [2021-11-23 03:33:28,995 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1902 transitions. Word has length 85 [2021-11-23 03:33:28,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:28,996 INFO L470 AbstractCegarLoop]: Abstraction has 1260 states and 1902 transitions. [2021-11-23 03:33:28,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1902 transitions. [2021-11-23 03:33:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 03:33:29,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:29,002 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:29,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:33:29,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 03:33:29,219 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:29,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:29,219 INFO L85 PathProgramCache]: Analyzing trace with hash -541472718, now seen corresponding path program 1 times [2021-11-23 03:33:29,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:29,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225155117] [2021-11-23 03:33:29,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:29,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 03:33:29,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:29,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225155117] [2021-11-23 03:33:29,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225155117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:29,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:29,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:29,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346476316] [2021-11-23 03:33:29,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:29,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:29,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:29,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:29,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:29,284 INFO L87 Difference]: Start difference. First operand 1260 states and 1902 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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) [2021-11-23 03:33:29,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:29,496 INFO L93 Difference]: Finished difference Result 2638 states and 4012 transitions. [2021-11-23 03:33:29,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:29,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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 152 [2021-11-23 03:33:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:29,517 INFO L225 Difference]: With dead ends: 2638 [2021-11-23 03:33:29,518 INFO L226 Difference]: Without dead ends: 1229 [2021-11-23 03:33:29,526 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 [2021-11-23 03:33:29,529 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 62 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:29,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 123 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:33:29,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2021-11-23 03:33:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1072. [2021-11-23 03:33:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.4061624649859943) internal successors, (1506), 1071 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1506 transitions. [2021-11-23 03:33:29,602 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1506 transitions. Word has length 152 [2021-11-23 03:33:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:29,602 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1506 transitions. [2021-11-23 03:33:29,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 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) [2021-11-23 03:33:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1506 transitions. [2021-11-23 03:33:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 03:33:29,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:29,608 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:29,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 03:33:29,608 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:29,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1943048454, now seen corresponding path program 1 times [2021-11-23 03:33:29,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:29,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191816587] [2021-11-23 03:33:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:29,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 03:33:29,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:29,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191816587] [2021-11-23 03:33:29,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191816587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:29,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:29,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:29,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15990828] [2021-11-23 03:33:29,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:29,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:29,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:29,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:29,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:29,666 INFO L87 Difference]: Start difference. First operand 1072 states and 1506 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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) [2021-11-23 03:33:29,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:29,877 INFO L93 Difference]: Finished difference Result 2152 states and 3055 transitions. [2021-11-23 03:33:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:29,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 154 [2021-11-23 03:33:29,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:29,887 INFO L225 Difference]: With dead ends: 2152 [2021-11-23 03:33:29,888 INFO L226 Difference]: Without dead ends: 1283 [2021-11-23 03:33:29,890 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 [2021-11-23 03:33:29,891 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 73 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:29,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 87 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:33:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-11-23 03:33:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1132. [2021-11-23 03:33:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1131 states have (on average 1.4040671971706455) internal successors, (1588), 1131 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1588 transitions. [2021-11-23 03:33:29,950 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1588 transitions. Word has length 154 [2021-11-23 03:33:29,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:29,951 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 1588 transitions. [2021-11-23 03:33:29,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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) [2021-11-23 03:33:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1588 transitions. [2021-11-23 03:33:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 03:33:29,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:29,957 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:29,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:33:29,958 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:29,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:29,959 INFO L85 PathProgramCache]: Analyzing trace with hash -627349406, now seen corresponding path program 1 times [2021-11-23 03:33:29,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:29,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140535065] [2021-11-23 03:33:29,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:29,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-23 03:33:30,018 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:30,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140535065] [2021-11-23 03:33:30,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140535065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:30,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:30,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:30,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562523126] [2021-11-23 03:33:30,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:30,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:30,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:30,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:30,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:30,021 INFO L87 Difference]: Start difference. First operand 1132 states and 1588 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:30,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:30,273 INFO L93 Difference]: Finished difference Result 2451 states and 3450 transitions. [2021-11-23 03:33:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:30,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 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 172 [2021-11-23 03:33:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:30,283 INFO L225 Difference]: With dead ends: 2451 [2021-11-23 03:33:30,284 INFO L226 Difference]: Without dead ends: 1260 [2021-11-23 03:33:30,286 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 [2021-11-23 03:33:30,287 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 66 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:30,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 117 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:33:30,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2021-11-23 03:33:30,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1224. [2021-11-23 03:33:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1223 states have (on average 1.383483237939493) internal successors, (1692), 1223 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1692 transitions. [2021-11-23 03:33:30,345 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1692 transitions. Word has length 172 [2021-11-23 03:33:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:30,346 INFO L470 AbstractCegarLoop]: Abstraction has 1224 states and 1692 transitions. [2021-11-23 03:33:30,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1692 transitions. [2021-11-23 03:33:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 03:33:30,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:30,352 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:30,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 03:33:30,352 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:30,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:30,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2051634120, now seen corresponding path program 1 times [2021-11-23 03:33:30,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:30,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774738652] [2021-11-23 03:33:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:30,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-23 03:33:30,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:30,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774738652] [2021-11-23 03:33:30,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774738652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:30,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:30,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:30,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169221078] [2021-11-23 03:33:30,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:30,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:30,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:30,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:30,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:30,420 INFO L87 Difference]: Start difference. First operand 1224 states and 1692 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:30,665 INFO L93 Difference]: Finished difference Result 2673 states and 3717 transitions. [2021-11-23 03:33:30,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:30,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 193 [2021-11-23 03:33:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:30,676 INFO L225 Difference]: With dead ends: 2673 [2021-11-23 03:33:30,676 INFO L226 Difference]: Without dead ends: 1405 [2021-11-23 03:33:30,679 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 [2021-11-23 03:33:30,680 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 68 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:30,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 115 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:33:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2021-11-23 03:33:30,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1369. [2021-11-23 03:33:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1368 states have (on average 1.3757309941520468) internal successors, (1882), 1368 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1882 transitions. [2021-11-23 03:33:30,748 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1882 transitions. Word has length 193 [2021-11-23 03:33:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:30,749 INFO L470 AbstractCegarLoop]: Abstraction has 1369 states and 1882 transitions. [2021-11-23 03:33:30,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1882 transitions. [2021-11-23 03:33:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-23 03:33:30,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:30,756 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:30,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 03:33:30,756 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:30,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:30,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1900662238, now seen corresponding path program 1 times [2021-11-23 03:33:30,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:30,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101501898] [2021-11-23 03:33:30,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:30,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 537 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2021-11-23 03:33:30,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:30,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101501898] [2021-11-23 03:33:30,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101501898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:30,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:30,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:30,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274117596] [2021-11-23 03:33:30,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:30,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:30,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:30,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:30,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:30,900 INFO L87 Difference]: Start difference. First operand 1369 states and 1882 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:31,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:31,085 INFO L93 Difference]: Finished difference Result 3284 states and 4514 transitions. [2021-11-23 03:33:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:31,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 220 [2021-11-23 03:33:31,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:31,100 INFO L225 Difference]: With dead ends: 3284 [2021-11-23 03:33:31,101 INFO L226 Difference]: Without dead ends: 1916 [2021-11-23 03:33:31,104 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 [2021-11-23 03:33:31,105 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 62 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:31,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 298 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:33:31,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2021-11-23 03:33:31,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1915. [2021-11-23 03:33:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1914 states have (on average 1.3725182863113898) internal successors, (2627), 1914 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2627 transitions. [2021-11-23 03:33:31,219 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2627 transitions. Word has length 220 [2021-11-23 03:33:31,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:31,219 INFO L470 AbstractCegarLoop]: Abstraction has 1915 states and 2627 transitions. [2021-11-23 03:33:31,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2627 transitions. [2021-11-23 03:33:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 03:33:31,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:31,226 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:31,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 03:33:31,227 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:31,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:31,227 INFO L85 PathProgramCache]: Analyzing trace with hash -939971812, now seen corresponding path program 1 times [2021-11-23 03:33:31,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:31,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805369729] [2021-11-23 03:33:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:31,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-23 03:33:31,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:31,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805369729] [2021-11-23 03:33:31,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805369729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:31,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:31,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:31,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22532723] [2021-11-23 03:33:31,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:31,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:31,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:31,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:31,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:31,305 INFO L87 Difference]: Start difference. First operand 1915 states and 2627 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2021-11-23 03:33:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:31,523 INFO L93 Difference]: Finished difference Result 4144 states and 5719 transitions. [2021-11-23 03:33:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:31,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 221 [2021-11-23 03:33:31,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:31,536 INFO L225 Difference]: With dead ends: 4144 [2021-11-23 03:33:31,537 INFO L226 Difference]: Without dead ends: 2195 [2021-11-23 03:33:31,540 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 [2021-11-23 03:33:31,540 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 70 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:31,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 113 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:33:31,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2021-11-23 03:33:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2146. [2021-11-23 03:33:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.3650349650349651) internal successors, (2928), 2145 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2928 transitions. [2021-11-23 03:33:31,661 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2928 transitions. Word has length 221 [2021-11-23 03:33:31,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:31,661 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2928 transitions. [2021-11-23 03:33:31,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2021-11-23 03:33:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2928 transitions. [2021-11-23 03:33:31,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 03:33:31,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:31,670 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:31,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 03:33:31,670 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:31,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash -423409451, now seen corresponding path program 1 times [2021-11-23 03:33:31,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:31,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587266851] [2021-11-23 03:33:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:31,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 561 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2021-11-23 03:33:31,771 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587266851] [2021-11-23 03:33:31,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587266851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:33:31,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:33:31,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:33:31,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850320418] [2021-11-23 03:33:31,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:31,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:31,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:31,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:33:31,774 INFO L87 Difference]: Start difference. First operand 2146 states and 2928 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:31,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:31,994 INFO L93 Difference]: Finished difference Result 4477 states and 6138 transitions. [2021-11-23 03:33:31,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:31,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 254 [2021-11-23 03:33:31,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:32,009 INFO L225 Difference]: With dead ends: 4477 [2021-11-23 03:33:32,009 INFO L226 Difference]: Without dead ends: 2311 [2021-11-23 03:33:32,012 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 [2021-11-23 03:33:32,014 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:32,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:33:32,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2021-11-23 03:33:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2262. [2021-11-23 03:33:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.3688633348076074) internal successors, (3095), 2261 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3095 transitions. [2021-11-23 03:33:32,108 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3095 transitions. Word has length 254 [2021-11-23 03:33:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:32,109 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3095 transitions. [2021-11-23 03:33:32,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3095 transitions. [2021-11-23 03:33:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 03:33:32,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:32,120 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:32,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 03:33:32,120 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:32,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:32,121 INFO L85 PathProgramCache]: Analyzing trace with hash 663980274, now seen corresponding path program 1 times [2021-11-23 03:33:32,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:32,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240609666] [2021-11-23 03:33:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:32,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 848 proven. 42 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-23 03:33:32,224 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:32,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240609666] [2021-11-23 03:33:32,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240609666] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:33:32,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222263046] [2021-11-23 03:33:32,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:32,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:32,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:33:32,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:33:32,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:33:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:32,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:33:32,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:33:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 770 proven. 120 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-23 03:33:32,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:33:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-23 03:33:33,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222263046] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 03:33:33,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:33:33,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2021-11-23 03:33:33,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449970113] [2021-11-23 03:33:33,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:33,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:33,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:33,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:33,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:33:33,342 INFO L87 Difference]: Start difference. First operand 2262 states and 3095 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:33,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:33,532 INFO L93 Difference]: Finished difference Result 3907 states and 5339 transitions. [2021-11-23 03:33:33,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:33,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 289 [2021-11-23 03:33:33,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:33,546 INFO L225 Difference]: With dead ends: 3907 [2021-11-23 03:33:33,547 INFO L226 Difference]: Without dead ends: 2290 [2021-11-23 03:33:33,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:33:33,551 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 95 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:33,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 62 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:33:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-23 03:33:33,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2262. [2021-11-23 03:33:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.3538257408226448) internal successors, (3061), 2261 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3061 transitions. [2021-11-23 03:33:33,660 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3061 transitions. Word has length 289 [2021-11-23 03:33:33,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:33,660 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3061 transitions. [2021-11-23 03:33:33,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3061 transitions. [2021-11-23 03:33:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 03:33:33,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:33,670 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:33,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:33:33,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:33,899 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash -442939763, now seen corresponding path program 1 times [2021-11-23 03:33:33,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:33,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443297454] [2021-11-23 03:33:33,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:33,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 862 proven. 56 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-23 03:33:33,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:33,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443297454] [2021-11-23 03:33:33,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443297454] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:33:33,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577695744] [2021-11-23 03:33:33,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:33,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:33,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:33:33,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:33:34,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:33:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:34,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 03:33:34,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:33:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 784 proven. 134 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-23 03:33:34,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:33:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 686 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-23 03:33:35,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577695744] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 03:33:35,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:33:35,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2021-11-23 03:33:35,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908564565] [2021-11-23 03:33:35,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:33:35,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:33:35,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:33:35,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:33:35,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:33:35,009 INFO L87 Difference]: Start difference. First operand 2262 states and 3061 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:33:35,171 INFO L93 Difference]: Finished difference Result 3592 states and 4848 transitions. [2021-11-23 03:33:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:33:35,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 291 [2021-11-23 03:33:35,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:33:35,183 INFO L225 Difference]: With dead ends: 3592 [2021-11-23 03:33:35,183 INFO L226 Difference]: Without dead ends: 1975 [2021-11-23 03:33:35,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:33:35,186 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 92 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:33:35,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 56 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:33:35,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2021-11-23 03:33:35,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1867. [2021-11-23 03:33:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1866 states have (on average 1.340300107181136) internal successors, (2501), 1866 states have internal predecessors, (2501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2501 transitions. [2021-11-23 03:33:35,264 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2501 transitions. Word has length 291 [2021-11-23 03:33:35,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:33:35,265 INFO L470 AbstractCegarLoop]: Abstraction has 1867 states and 2501 transitions. [2021-11-23 03:33:35,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:33:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2501 transitions. [2021-11-23 03:33:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-23 03:33:35,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:33:35,277 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:33:35,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:33:35,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:35,499 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:33:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:33:35,499 INFO L85 PathProgramCache]: Analyzing trace with hash 537416872, now seen corresponding path program 1 times [2021-11-23 03:33:35,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:33:35,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563059289] [2021-11-23 03:33:35,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:35,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:33:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 748 proven. 226 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-23 03:33:35,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:33:35,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563059289] [2021-11-23 03:33:35,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563059289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 03:33:35,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690189657] [2021-11-23 03:33:35,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:33:35,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:33:35,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:33:35,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:33:35,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:33:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:33:35,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:33:35,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:33:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 731 proven. 11 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-23 03:33:36,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:33:36,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 731 proven. 11 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-23 03:33:36,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690189657] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:33:36,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [435833211] [2021-11-23 03:33:36,763 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-23 03:33:36,763 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:33:36,764 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:33:36,764 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:33:36,764 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:33:55,511 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:34:25,032 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '65196#(and (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_connect_~initial_state#1| 12292) (= |ULTIMATE.start_ssl3_connect_~tmp___0~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_renegotiate~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_~initial_state#1|) (<= |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1| 2147483648) (<= |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483648)) (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483647) (= 12292 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_#in~initial_state#1| 12292) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~skip~0#1| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~s__init_buf___0~0#1| 1) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~ret~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~ret~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~state~0#1| |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483648)) (<= 0 (+ 2147483647 |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483647) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_#in~initial_state#1|) (= |#NULL.base| 0) (<= |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483647))' at error location [2021-11-23 03:34:25,032 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 03:34:25,032 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 03:34:25,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 10 [2021-11-23 03:34:25,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939307030] [2021-11-23 03:34:25,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 03:34:25,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:34:25,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:34:25,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:34:25,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1003, Invalid=4547, Unknown=0, NotChecked=0, Total=5550 [2021-11-23 03:34:25,038 INFO L87 Difference]: Start difference. First operand 1867 states and 2501 transitions. Second operand has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:34:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:34:26,045 INFO L93 Difference]: Finished difference Result 3407 states and 4590 transitions. [2021-11-23 03:34:26,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 03:34:26,046 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2021-11-23 03:34:26,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:34:26,047 INFO L225 Difference]: With dead ends: 3407 [2021-11-23 03:34:26,047 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:34:26,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 849 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1730 ImplicationChecksByTransitivity, 29.8s TimeCoverageRelationStatistics Valid=1079, Invalid=5727, Unknown=0, NotChecked=0, Total=6806 [2021-11-23 03:34:26,054 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 379 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:34:26,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 419 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 03:34:26,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:34:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:34:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:34:26,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:34:26,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2021-11-23 03:34:26,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:34:26,056 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:34:26,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:34:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:34:26,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:34:26,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:34:26,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:34:26,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:34:26,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:34:34,809 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 239) no Hoare annotation was computed. [2021-11-23 03:34:34,809 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 504) no Hoare annotation was computed. [2021-11-23 03:34:34,810 INFO L854 garLoopResultBuilder]: At program point L202(lines 202 545) the Hoare annotation is: (let ((.cse7 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse6 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse7)) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse5 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse1 .cse2 .cse3 .cse4 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse7 (let ((.cse8 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse8 (* 4294967296 (div .cse8 4294967296)))) .cse5)))) [2021-11-23 03:34:34,810 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 556) no Hoare annotation was computed. [2021-11-23 03:34:34,810 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 567) no Hoare annotation was computed. [2021-11-23 03:34:34,810 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-23 03:34:34,810 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 210 540) no Hoare annotation was computed. [2021-11-23 03:34:34,811 INFO L854 garLoopResultBuilder]: At program point L203(lines 202 545) the Hoare annotation is: (let ((.cse13 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse0 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse4 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse13)) (.cse9 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse13 (let ((.cse14 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse14 (* 4294967296 (div .cse14 4294967296)))) .cse7 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))))) [2021-11-23 03:34:34,811 INFO L854 garLoopResultBuilder]: At program point L170(lines 160 559) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-23 03:34:34,811 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 210 540) no Hoare annotation was computed. [2021-11-23 03:34:34,811 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 555) no Hoare annotation was computed. [2021-11-23 03:34:34,812 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 566) no Hoare annotation was computed. [2021-11-23 03:34:34,812 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 72 620) no Hoare annotation was computed. [2021-11-23 03:34:34,812 INFO L854 garLoopResultBuilder]: At program point L140(lines 136 567) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-23 03:34:34,812 INFO L858 garLoopResultBuilder]: For program point L438-2(lines 210 540) no Hoare annotation was computed. [2021-11-23 03:34:34,812 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 245) no Hoare annotation was computed. [2021-11-23 03:34:34,813 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-11-23 03:34:34,813 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 554) no Hoare annotation was computed. [2021-11-23 03:34:34,813 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 565) no Hoare annotation was computed. [2021-11-23 03:34:34,813 INFO L854 garLoopResultBuilder]: At program point L109(lines 109 576) the Hoare annotation is: (let ((.cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse2 (or .cse19 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse5 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse17 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse16 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse21)) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse9 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse23 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse14 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse15 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse20 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (.cse18 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse22 (let ((.cse24 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse24 (* 4294967296 (div .cse24 4294967296)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse3 .cse14 .cse15 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse16 .cse13 .cse3 .cse14 .cse4) (and .cse0 .cse1 .cse17 .cse18 .cse3) (and .cse0 .cse9 .cse10 .cse11 .cse17 .cse2 .cse12 .cse13 .cse14 .cse15) (and (or (and .cse5 .cse7 .cse8 .cse10 .cse11 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse12 .cse13 .cse3 .cse15) (and .cse5 .cse7 .cse8 .cse10 .cse11 .cse17 .cse12 .cse13 .cse3 .cse15)) .cse9 .cse14) (and .cse0 .cse1 .cse18 .cse3 .cse4) (and .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse20 .cse21 .cse22 .cse12 .cse23 .cse13 .cse14) (and .cse19 .cse20 .cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse22) (and .cse5 .cse7 .cse8 .cse9 .cse10 .cse11 .cse17 .cse12 .cse16 .cse13 .cse3 .cse14) (and .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse20 .cse22 .cse12 .cse23 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse19 .cse20 .cse18 .cse22)))) [2021-11-23 03:34:34,814 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 555) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse2 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-23 03:34:34,814 INFO L854 garLoopResultBuilder]: At program point L541(lines 106 607) the Hoare annotation is: (let ((.cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse0 (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse17 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse21)) (.cse12 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse7 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse23 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse14 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse15 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse16 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse20 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (.cse18 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse22 (let ((.cse24 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse24 (* 4294967296 (div .cse24 4294967296)))))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse12 .cse13 .cse2) (and .cse15 .cse16 .cse17 .cse18 .cse12) (and .cse15 .cse7 .cse8 .cse9 .cse17 (or .cse19 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) .cse10 .cse11 .cse13 .cse14) (and (or (and .cse3 .cse5 .cse6 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse10 .cse11 .cse12 .cse14) (and .cse3 .cse5 .cse6 .cse8 .cse9 .cse17 .cse10 .cse11 .cse12 .cse14)) .cse7 .cse13) (and .cse15 .cse16 .cse18 .cse12 .cse2) (and .cse19 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse20 .cse21 .cse22 .cse10 .cse23 .cse11 .cse13) (and .cse19 .cse20 .cse21 .cse0 .cse22) (and .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse17 .cse10 .cse1 .cse11 .cse12 .cse13) (and .cse19 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse20 .cse22 .cse10 .cse23 .cse11 .cse13 .cse14) (and .cse15 .cse16 .cse19 .cse20 .cse18 .cse22)))) [2021-11-23 03:34:34,814 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 553) no Hoare annotation was computed. [2021-11-23 03:34:34,814 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 564) no Hoare annotation was computed. [2021-11-23 03:34:34,815 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 575) no Hoare annotation was computed. [2021-11-23 03:34:34,815 INFO L861 garLoopResultBuilder]: At program point L608(lines 105 609) the Hoare annotation is: true [2021-11-23 03:34:34,815 INFO L854 garLoopResultBuilder]: At program point L146(lines 142 565) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse5 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse7 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse7 (* 4294967296 (div .cse7 4294967296)))) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-11-23 03:34:34,815 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 605) no Hoare annotation was computed. [2021-11-23 03:34:34,815 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 552) no Hoare annotation was computed. [2021-11-23 03:34:34,816 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 563) no Hoare annotation was computed. [2021-11-23 03:34:34,816 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 574) no Hoare annotation was computed. [2021-11-23 03:34:34,816 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 602) no Hoare annotation was computed. [2021-11-23 03:34:34,816 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 352) no Hoare annotation was computed. [2021-11-23 03:34:34,816 INFO L858 garLoopResultBuilder]: For program point L314-1(lines 314 328) no Hoare annotation was computed. [2021-11-23 03:34:34,816 INFO L854 garLoopResultBuilder]: At program point L215(lines 112 575) the Hoare annotation is: (let ((.cse10 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse0 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-23 03:34:34,816 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 553) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse2 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-23 03:34:34,816 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 588) no Hoare annotation was computed. [2021-11-23 03:34:34,817 INFO L858 garLoopResultBuilder]: For program point L579-2(lines 578 600) no Hoare annotation was computed. [2021-11-23 03:34:34,817 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 551) no Hoare annotation was computed. [2021-11-23 03:34:34,817 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 562) no Hoare annotation was computed. [2021-11-23 03:34:34,817 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 573) no Hoare annotation was computed. [2021-11-23 03:34:34,817 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 585) no Hoare annotation was computed. [2021-11-23 03:34:34,817 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 454) no Hoare annotation was computed. [2021-11-23 03:34:34,818 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 03:34:34,818 INFO L854 garLoopResultBuilder]: At program point L152(lines 148 563) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4448))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296))))))) [2021-11-23 03:34:34,818 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-23 03:34:34,818 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 316 328) no Hoare annotation was computed. [2021-11-23 03:34:34,818 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-11-23 03:34:34,818 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 550) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 561) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point L220-2(lines 210 540) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 572) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 551) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse4 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse4 (* 4294967296 (div .cse4 4294967296)))) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-23 03:34:34,819 INFO L861 garLoopResultBuilder]: At program point L619(lines 19 621) the Hoare annotation is: true [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 261) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 549) no Hoare annotation was computed. [2021-11-23 03:34:34,819 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 560) no Hoare annotation was computed. [2021-11-23 03:34:34,820 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 571) no Hoare annotation was computed. [2021-11-23 03:34:34,820 INFO L854 garLoopResultBuilder]: At program point L158(lines 154 561) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-23 03:34:34,820 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-11-23 03:34:34,820 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-11-23 03:34:34,820 INFO L854 garLoopResultBuilder]: At program point L358(lines 72 620) the Hoare annotation is: false [2021-11-23 03:34:34,820 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 548) no Hoare annotation was computed. [2021-11-23 03:34:34,821 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 559) no Hoare annotation was computed. [2021-11-23 03:34:34,821 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 570) no Hoare annotation was computed. [2021-11-23 03:34:34,821 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 549) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse2))) [2021-11-23 03:34:34,821 INFO L854 garLoopResultBuilder]: At program point L128(lines 124 571) the Hoare annotation is: (and (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (let ((.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse7 .cse8 .cse9) (and .cse4 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse7 .cse8 .cse9))))) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-23 03:34:34,821 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-11-23 03:34:34,822 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 210 540) no Hoare annotation was computed. [2021-11-23 03:34:34,822 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 547) no Hoare annotation was computed. [2021-11-23 03:34:34,822 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 558) no Hoare annotation was computed. [2021-11-23 03:34:34,822 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 569) no Hoare annotation was computed. [2021-11-23 03:34:34,822 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-11-23 03:34:34,822 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 508) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 249) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 546) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 557) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L232-2(lines 210 540) no Hoare annotation was computed. [2021-11-23 03:34:34,823 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 568) no Hoare annotation was computed. [2021-11-23 03:34:34,824 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 547) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (or .cse4 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3) (and .cse4 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (let ((.cse5 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse5 (* 4294967296 (div .cse5 4294967296)))))))) [2021-11-23 03:34:34,824 INFO L854 garLoopResultBuilder]: At program point L134(lines 130 569) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse5 .cse6 .cse7 .cse8))) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-23 03:34:34,827 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:34:34,829 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:34:34,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:34:34 BoogieIcfgContainer [2021-11-23 03:34:34,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:34:34,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:34:34,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:34:34,876 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:34:34,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:32:49" (3/4) ... [2021-11-23 03:34:34,881 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:34:34,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-11-23 03:34:34,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 03:34:34,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 03:34:34,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:34:35,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:34:35,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:34:35,006 INFO L158 Benchmark]: Toolchain (without parser) took 107032.98ms. Allocated memory was 79.7MB in the beginning and 641.7MB in the end (delta: 562.0MB). Free memory was 35.6MB in the beginning and 243.4MB in the end (delta: -207.8MB). Peak memory consumption was 356.3MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,006 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:34:35,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.16ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 35.4MB in the beginning and 76.6MB in the end (delta: -41.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.65ms. Allocated memory is still 109.1MB. Free memory was 76.6MB in the beginning and 74.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,011 INFO L158 Benchmark]: Boogie Preprocessor took 67.16ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,011 INFO L158 Benchmark]: RCFGBuilder took 1150.12ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 48.0MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,014 INFO L158 Benchmark]: TraceAbstraction took 105172.30ms. Allocated memory was 109.1MB in the beginning and 641.7MB in the end (delta: 532.7MB). Free memory was 47.5MB in the beginning and 255.0MB in the end (delta: -207.5MB). Peak memory consumption was 360.1MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,014 INFO L158 Benchmark]: Witness Printer took 136.34ms. Allocated memory is still 641.7MB. Free memory was 255.0MB in the beginning and 243.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 03:34:35,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.16ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 35.4MB in the beginning and 76.6MB in the end (delta: -41.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.65ms. Allocated memory is still 109.1MB. Free memory was 76.6MB in the beginning and 74.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.16ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.12ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 48.0MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 105172.30ms. Allocated memory was 109.1MB in the beginning and 641.7MB in the end (delta: 532.7MB). Free memory was 47.5MB in the beginning and 255.0MB in the end (delta: -207.5MB). Peak memory consumption was 360.1MB. Max. memory is 16.1GB. * Witness Printer took 136.34ms. Allocated memory is still 641.7MB. Free memory was 255.0MB in the beginning and 243.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. 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 - PositiveResult [Line: 618]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 105.1s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2845 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2845 mSDsluCounter, 3197 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1666 mSDsCounter, 740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3209 IncrementalHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 740 mSolverCounterUnsat, 1693 mSDtfsCounter, 3209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2398 GetRequests, 2247 SyntacticMatches, 3 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031 ImplicationChecksByTransitivity, 51.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2262occurred in iteration=19, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 22 MinimizatonAttempts, 647 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 184 NumberOfFragments, 2437 HoareAnnotationTreeSize, 20 FomulaSimplifications, 10074 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 20 FomulaSimplificationsInter, 78297 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 3863 NumberOfCodeBlocks, 3863 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4802 ConstructedInterpolants, 0 QuantifiedInterpolants, 10271 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1956 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 16782/17630 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4432 == s__state))) || (((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((!(4433 == s__state) && s__hit == 0) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((s__state <= 4432 && !(4096 == s__state)) && ((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)))) && !(4099 == s__state) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(4433 == s__state) && 4432 <= s__state) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state)) && blastFlag == 0) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((((!(4433 == s__state) && s__hit == 0) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) || (((((((((((((!(4433 == s__state) && s__hit == 0) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (!(4096 == s__state) && (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (s__state <= 4432 && ((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) && blastFlag == 0) || (((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)))))) && !(4099 == s__state) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0 && !(4416 == s__state)) && !(4384 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((!(4433 == s__state) && 4432 <= s__state) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state)) && blastFlag == 0) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) && blastFlag == 0)) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state))) || (((((((((!(4433 == s__state) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || ((((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) && !(4096 == s__state)) && !(4099 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296))) || (((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && s__state <= 4512) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4512) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4512) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) || (((((((((((((((s__hit == 0 && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && !(4432 == s__state)) || (((!(4433 == s__state) && 4432 <= s__state) && !(4432 == s__state)) && blastFlag == 0)) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((4560 == s__state && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && blastFlag == 0) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) && blastFlag == 0)) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state))) || (((((((((!(4433 == s__state) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || ((((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) && !(4096 == s__state)) && !(4099 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296))) || (((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((4432 <= s__state && s__hit == 0) && 2 == blastFlag) && s__state <= 4448) || ((((4432 <= s__state && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4448) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) || (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) && blastFlag == 0) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4480) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4480) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4480) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state)) || ((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4480) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4480) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4480) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && s__state <= 4512) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4512) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4512) && !(4432 == s__state)) && blastFlag == 0) RESULT: Ultimate proved your program to be correct! [2021-11-23 03:34:35,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c6878a-06f9-45c2-b234-a42aa98fbd26/bin/utaipan-EQgc7hIp5V/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 Result: TRUE