./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:08:47,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:08:47,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:08:47,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:08:47,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:08:47,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:08:47,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:08:47,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:08:47,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:08:47,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:08:47,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:08:47,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:08:47,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:08:47,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:08:47,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:08:47,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:08:47,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:08:47,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:08:47,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:08:47,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:08:47,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:08:47,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:08:47,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:08:47,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:08:47,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:08:47,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:08:47,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:08:47,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:08:47,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:08:47,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:08:47,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:08:47,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:08:47,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:08:47,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:08:47,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:08:47,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:08:47,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:08:47,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:08:47,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:08:47,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:08:47,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:08:47,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 03:08:47,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:08:47,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:08:47,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:08:47,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:08:47,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:08:47,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:08:47,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:08:47,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:08:47,536 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:08:47,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:08:47,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:08:47,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 03:08:47,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:08:47,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:08:47,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:08:47,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:08:47,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:08:47,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:08:47,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:08:47,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:08:47,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:08:47,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:08:47,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:08:47,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:08:47,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:08:47,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:08:47,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:08:47,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:08:47,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 03:08:47,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 03:08:47,541 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:08:47,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:08:47,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:08:47,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:08:47,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf [2021-12-17 03:08:47,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:08:47,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:08:47,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:08:47,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:08:47,779 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:08:47,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-17 03:08:47,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd24137ba/a47da4bc05ac4efd8e756bfe65544640/FLAG703939b4f [2021-12-17 03:08:48,294 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:08:48,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-17 03:08:48,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd24137ba/a47da4bc05ac4efd8e756bfe65544640/FLAG703939b4f [2021-12-17 03:08:48,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd24137ba/a47da4bc05ac4efd8e756bfe65544640 [2021-12-17 03:08:48,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:08:48,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:08:48,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:08:48,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:08:48,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:08:48,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:48" (1/1) ... [2021-12-17 03:08:48,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48590735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:48, skipping insertion in model container [2021-12-17 03:08:48,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:48" (1/1) ... [2021-12-17 03:08:48,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:08:48,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:08:49,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-17 03:08:49,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:08:49,085 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:08:49,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-17 03:08:49,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:08:49,195 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:08:49,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49 WrapperNode [2021-12-17 03:08:49,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:08:49,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:08:49,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:08:49,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:08:49,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,289 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-12-17 03:08:49,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:08:49,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:08:49,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:08:49,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:08:49,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:08:49,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:08:49,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:08:49,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:08:49,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (1/1) ... [2021-12-17 03:08:49,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:08:49,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:08:49,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 03:08:49,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 03:08:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:08:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-17 03:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 03:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 03:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-17 03:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 03:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-17 03:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:08:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:08:49,617 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:08:49,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:08:49,628 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-17 03:08:52,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-17 03:08:52,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-17 03:08:52,286 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:08:52,291 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:08:52,291 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:08:52,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:52 BoogieIcfgContainer [2021-12-17 03:08:52,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:08:52,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:08:52,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:08:52,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:08:52,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:08:48" (1/3) ... [2021-12-17 03:08:52,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b76cc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:52, skipping insertion in model container [2021-12-17 03:08:52,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:49" (2/3) ... [2021-12-17 03:08:52,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b76cc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:52, skipping insertion in model container [2021-12-17 03:08:52,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:52" (3/3) ... [2021-12-17 03:08:52,298 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.02.i.cil-1.c [2021-12-17 03:08:52,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:08:52,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:08:52,338 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:08:52,344 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 03:08:52,344 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:08:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-17 03:08:52,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:08:52,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:08:52,380 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:08:52,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:08:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-12-17 03:08:52,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:08:52,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294317084] [2021-12-17 03:08:52,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:08:52,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:08:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:08:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:08:52,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:08:52,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294317084] [2021-12-17 03:08:52,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294317084] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:08:52,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:08:52,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:08:52,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840483172] [2021-12-17 03:08:52,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:08:52,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:08:52,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:08:52,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:08:52,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:08:52,854 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:54,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:08:55,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:08:55,169 INFO L93 Difference]: Finished difference Result 315 states and 530 transitions. [2021-12-17 03:08:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:08:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-12-17 03:08:55,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:08:55,178 INFO L225 Difference]: With dead ends: 315 [2021-12-17 03:08:55,178 INFO L226 Difference]: Without dead ends: 160 [2021-12-17 03:08:55,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:08:55,185 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 36 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:08:55,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 555 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:08:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-12-17 03:08:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2021-12-17 03:08:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5422535211267605) internal successors, (219), 142 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 219 transitions. [2021-12-17 03:08:55,230 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 219 transitions. Word has length 47 [2021-12-17 03:08:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:08:55,231 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 219 transitions. [2021-12-17 03:08:55,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 219 transitions. [2021-12-17 03:08:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-17 03:08:55,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:08:55,234 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:08:55,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 03:08:55,234 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:08:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:08:55,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1861384675, now seen corresponding path program 1 times [2021-12-17 03:08:55,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:08:55,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908840912] [2021-12-17 03:08:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:08:55,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:08:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:08:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:08:55,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:08:55,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908840912] [2021-12-17 03:08:55,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908840912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:08:55,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:08:55,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:08:55,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630463129] [2021-12-17 03:08:55,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:08:55,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:08:55,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:08:55,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:08:55,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:08:55,428 INFO L87 Difference]: Start difference. First operand 143 states and 219 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:57,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:08:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:08:57,692 INFO L93 Difference]: Finished difference Result 282 states and 426 transitions. [2021-12-17 03:08:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:08:57,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-12-17 03:08:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:08:57,694 INFO L225 Difference]: With dead ends: 282 [2021-12-17 03:08:57,694 INFO L226 Difference]: Without dead ends: 160 [2021-12-17 03:08:57,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:08:57,695 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 24 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:08:57,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 441 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:08:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-12-17 03:08:57,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 143. [2021-12-17 03:08:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5352112676056338) internal successors, (218), 142 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 218 transitions. [2021-12-17 03:08:57,704 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 218 transitions. Word has length 60 [2021-12-17 03:08:57,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:08:57,705 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 218 transitions. [2021-12-17 03:08:57,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 218 transitions. [2021-12-17 03:08:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-17 03:08:57,707 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:08:57,707 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:08:57,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 03:08:57,707 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:08:57,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:08:57,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2019107822, now seen corresponding path program 1 times [2021-12-17 03:08:57,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:08:57,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732387261] [2021-12-17 03:08:57,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:08:57,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:08:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:08:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:08:57,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:08:57,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732387261] [2021-12-17 03:08:57,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732387261] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:08:57,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:08:57,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:08:57,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116147453] [2021-12-17 03:08:57,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:08:57,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:08:57,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:08:57,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:08:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:08:57,859 INFO L87 Difference]: Start difference. First operand 143 states and 218 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:08:59,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:00,160 INFO L93 Difference]: Finished difference Result 281 states and 424 transitions. [2021-12-17 03:09:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-17 03:09:00,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:00,161 INFO L225 Difference]: With dead ends: 281 [2021-12-17 03:09:00,161 INFO L226 Difference]: Without dead ends: 159 [2021-12-17 03:09:00,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:00,163 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 28 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:00,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:00,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-17 03:09:00,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 143. [2021-12-17 03:09:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.528169014084507) internal successors, (217), 142 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 217 transitions. [2021-12-17 03:09:00,175 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 217 transitions. Word has length 61 [2021-12-17 03:09:00,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:00,176 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 217 transitions. [2021-12-17 03:09:00,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 217 transitions. [2021-12-17 03:09:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-17 03:09:00,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:00,178 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:00,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 03:09:00,178 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:00,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1437848702, now seen corresponding path program 1 times [2021-12-17 03:09:00,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:00,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215279406] [2021-12-17 03:09:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:00,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:00,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:00,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215279406] [2021-12-17 03:09:00,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215279406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:00,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:00,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:00,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504345087] [2021-12-17 03:09:00,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:00,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:00,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:00,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:00,305 INFO L87 Difference]: Start difference. First operand 143 states and 217 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:02,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:02,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:02,686 INFO L93 Difference]: Finished difference Result 379 states and 579 transitions. [2021-12-17 03:09:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:02,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-17 03:09:02,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:02,688 INFO L225 Difference]: With dead ends: 379 [2021-12-17 03:09:02,688 INFO L226 Difference]: Without dead ends: 257 [2021-12-17 03:09:02,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:02,690 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 141 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:02,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 300 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-17 03:09:02,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-12-17 03:09:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 155. [2021-12-17 03:09:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.5194805194805194) internal successors, (234), 154 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 234 transitions. [2021-12-17 03:09:02,703 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 234 transitions. Word has length 61 [2021-12-17 03:09:02,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:02,704 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 234 transitions. [2021-12-17 03:09:02,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:02,705 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 234 transitions. [2021-12-17 03:09:02,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-17 03:09:02,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:02,708 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:02,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 03:09:02,710 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:02,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:02,710 INFO L85 PathProgramCache]: Analyzing trace with hash 16682137, now seen corresponding path program 1 times [2021-12-17 03:09:02,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:02,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326454227] [2021-12-17 03:09:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:02,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:02,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:02,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326454227] [2021-12-17 03:09:02,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326454227] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:02,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:02,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:02,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764760989] [2021-12-17 03:09:02,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:02,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:02,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:02,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:02,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:02,842 INFO L87 Difference]: Start difference. First operand 155 states and 234 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:04,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:05,121 INFO L93 Difference]: Finished difference Result 304 states and 457 transitions. [2021-12-17 03:09:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:05,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-17 03:09:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:05,132 INFO L225 Difference]: With dead ends: 304 [2021-12-17 03:09:05,133 INFO L226 Difference]: Without dead ends: 170 [2021-12-17 03:09:05,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:05,134 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 19 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:05,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 445 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:05,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-12-17 03:09:05,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 155. [2021-12-17 03:09:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.5129870129870129) internal successors, (233), 154 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 233 transitions. [2021-12-17 03:09:05,146 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 233 transitions. Word has length 61 [2021-12-17 03:09:05,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:05,146 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 233 transitions. [2021-12-17 03:09:05,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 233 transitions. [2021-12-17 03:09:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-17 03:09:05,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:05,147 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:05,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 03:09:05,147 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:05,148 INFO L85 PathProgramCache]: Analyzing trace with hash -932666023, now seen corresponding path program 1 times [2021-12-17 03:09:05,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:05,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599580732] [2021-12-17 03:09:05,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:05,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:05,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:05,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599580732] [2021-12-17 03:09:05,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599580732] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:05,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:05,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:05,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237292225] [2021-12-17 03:09:05,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:05,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:05,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:05,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:05,302 INFO L87 Difference]: Start difference. First operand 155 states and 233 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:05,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:05,859 INFO L93 Difference]: Finished difference Result 302 states and 454 transitions. [2021-12-17 03:09:05,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:05,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-17 03:09:05,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:05,860 INFO L225 Difference]: With dead ends: 302 [2021-12-17 03:09:05,861 INFO L226 Difference]: Without dead ends: 168 [2021-12-17 03:09:05,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:05,861 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 19 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:05,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:09:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-17 03:09:05,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 155. [2021-12-17 03:09:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.5064935064935066) internal successors, (232), 154 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 232 transitions. [2021-12-17 03:09:05,865 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 232 transitions. Word has length 61 [2021-12-17 03:09:05,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:05,866 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 232 transitions. [2021-12-17 03:09:05,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 232 transitions. [2021-12-17 03:09:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-17 03:09:05,866 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:05,866 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:05,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 03:09:05,866 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:05,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:05,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1300462214, now seen corresponding path program 1 times [2021-12-17 03:09:05,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:05,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297973867] [2021-12-17 03:09:05,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:05,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:05,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:05,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297973867] [2021-12-17 03:09:05,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297973867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:05,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:05,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:05,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658336474] [2021-12-17 03:09:05,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:05,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:05,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:05,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:05,950 INFO L87 Difference]: Start difference. First operand 155 states and 232 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:07,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:08,153 INFO L93 Difference]: Finished difference Result 302 states and 453 transitions. [2021-12-17 03:09:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:08,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-12-17 03:09:08,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:08,154 INFO L225 Difference]: With dead ends: 302 [2021-12-17 03:09:08,154 INFO L226 Difference]: Without dead ends: 168 [2021-12-17 03:09:08,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:08,155 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 22 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:08,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:08,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-17 03:09:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 155. [2021-12-17 03:09:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.5) internal successors, (231), 154 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 231 transitions. [2021-12-17 03:09:08,158 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 231 transitions. Word has length 62 [2021-12-17 03:09:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:08,158 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 231 transitions. [2021-12-17 03:09:08,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2021-12-17 03:09:08,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-17 03:09:08,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:08,159 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:08,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 03:09:08,159 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:08,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:08,159 INFO L85 PathProgramCache]: Analyzing trace with hash 249957895, now seen corresponding path program 1 times [2021-12-17 03:09:08,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:08,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696762383] [2021-12-17 03:09:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:08,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:08,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:08,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696762383] [2021-12-17 03:09:08,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696762383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:08,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:08,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:08,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670619908] [2021-12-17 03:09:08,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:08,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:08,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:08,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:08,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:08,256 INFO L87 Difference]: Start difference. First operand 155 states and 231 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:10,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:10,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:10,556 INFO L93 Difference]: Finished difference Result 391 states and 592 transitions. [2021-12-17 03:09:10,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:10,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-12-17 03:09:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:10,558 INFO L225 Difference]: With dead ends: 391 [2021-12-17 03:09:10,558 INFO L226 Difference]: Without dead ends: 257 [2021-12-17 03:09:10,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:10,559 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 138 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:10,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 300 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:10,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-12-17 03:09:10,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 157. [2021-12-17 03:09:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.4935897435897436) internal successors, (233), 156 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 233 transitions. [2021-12-17 03:09:10,562 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 233 transitions. Word has length 63 [2021-12-17 03:09:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:10,562 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 233 transitions. [2021-12-17 03:09:10,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2021-12-17 03:09:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 03:09:10,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:10,563 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:10,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 03:09:10,563 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:10,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:10,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2005265579, now seen corresponding path program 1 times [2021-12-17 03:09:10,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:10,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306400021] [2021-12-17 03:09:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:10,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:10,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:10,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306400021] [2021-12-17 03:09:10,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306400021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:10,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:10,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:10,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921354861] [2021-12-17 03:09:10,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:10,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:10,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:10,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:10,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:10,624 INFO L87 Difference]: Start difference. First operand 157 states and 233 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:12,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:12,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:12,789 INFO L93 Difference]: Finished difference Result 296 states and 444 transitions. [2021-12-17 03:09:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:12,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-12-17 03:09:12,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:12,790 INFO L225 Difference]: With dead ends: 296 [2021-12-17 03:09:12,790 INFO L226 Difference]: Without dead ends: 160 [2021-12-17 03:09:12,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:12,791 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 11 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:12,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 463 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:12,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-12-17 03:09:12,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2021-12-17 03:09:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.4871794871794872) internal successors, (232), 156 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 232 transitions. [2021-12-17 03:09:12,794 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 232 transitions. Word has length 64 [2021-12-17 03:09:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:12,794 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 232 transitions. [2021-12-17 03:09:12,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2021-12-17 03:09:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 03:09:12,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:12,795 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:12,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 03:09:12,795 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:12,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:12,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1889550317, now seen corresponding path program 1 times [2021-12-17 03:09:12,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:12,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298945598] [2021-12-17 03:09:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:12,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:12,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:12,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298945598] [2021-12-17 03:09:12,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298945598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:12,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:12,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:12,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836267273] [2021-12-17 03:09:12,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:12,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:12,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:12,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:12,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:12,911 INFO L87 Difference]: Start difference. First operand 157 states and 232 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:14,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:15,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:15,273 INFO L93 Difference]: Finished difference Result 407 states and 613 transitions. [2021-12-17 03:09:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-12-17 03:09:15,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:15,274 INFO L225 Difference]: With dead ends: 407 [2021-12-17 03:09:15,274 INFO L226 Difference]: Without dead ends: 271 [2021-12-17 03:09:15,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:15,275 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 108 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:15,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 301 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 262 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-12-17 03:09:15,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 200. [2021-12-17 03:09:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.5577889447236182) internal successors, (310), 199 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 310 transitions. [2021-12-17 03:09:15,284 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 310 transitions. Word has length 64 [2021-12-17 03:09:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:15,285 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 310 transitions. [2021-12-17 03:09:15,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 310 transitions. [2021-12-17 03:09:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-17 03:09:15,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:15,286 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:15,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 03:09:15,287 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:15,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:15,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1546297802, now seen corresponding path program 1 times [2021-12-17 03:09:15,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:15,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454792289] [2021-12-17 03:09:15,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:15,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:15,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:15,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454792289] [2021-12-17 03:09:15,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454792289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:15,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:15,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:15,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6305224] [2021-12-17 03:09:15,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:15,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:15,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:15,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:15,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:15,364 INFO L87 Difference]: Start difference. First operand 200 states and 310 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:17,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:17,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:17,649 INFO L93 Difference]: Finished difference Result 479 states and 748 transitions. [2021-12-17 03:09:17,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:17,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-12-17 03:09:17,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:17,650 INFO L225 Difference]: With dead ends: 479 [2021-12-17 03:09:17,651 INFO L226 Difference]: Without dead ends: 298 [2021-12-17 03:09:17,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:17,651 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 109 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:17,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 312 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-12-17 03:09:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 228. [2021-12-17 03:09:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.6079295154185023) internal successors, (365), 227 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 365 transitions. [2021-12-17 03:09:17,656 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 365 transitions. Word has length 65 [2021-12-17 03:09:17,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:17,656 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 365 transitions. [2021-12-17 03:09:17,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 365 transitions. [2021-12-17 03:09:17,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-17 03:09:17,657 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:17,657 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:17,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 03:09:17,657 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:17,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:17,657 INFO L85 PathProgramCache]: Analyzing trace with hash 632591508, now seen corresponding path program 1 times [2021-12-17 03:09:17,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:17,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196839037] [2021-12-17 03:09:17,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:17,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:17,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:17,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196839037] [2021-12-17 03:09:17,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196839037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:17,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:17,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:17,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847643367] [2021-12-17 03:09:17,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:17,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:17,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:17,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:17,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:17,725 INFO L87 Difference]: Start difference. First operand 228 states and 365 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:19,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:19,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:19,959 INFO L93 Difference]: Finished difference Result 544 states and 871 transitions. [2021-12-17 03:09:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:19,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-12-17 03:09:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:19,961 INFO L225 Difference]: With dead ends: 544 [2021-12-17 03:09:19,961 INFO L226 Difference]: Without dead ends: 337 [2021-12-17 03:09:19,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:19,961 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:19,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 314 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:19,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-12-17 03:09:19,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 260. [2021-12-17 03:09:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.6216216216216217) internal successors, (420), 259 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 420 transitions. [2021-12-17 03:09:19,966 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 420 transitions. Word has length 93 [2021-12-17 03:09:19,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:19,966 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 420 transitions. [2021-12-17 03:09:19,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 420 transitions. [2021-12-17 03:09:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-17 03:09:19,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:19,968 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:19,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 03:09:19,968 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:19,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:19,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1221146161, now seen corresponding path program 1 times [2021-12-17 03:09:19,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:19,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951651653] [2021-12-17 03:09:19,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:19,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:20,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:20,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951651653] [2021-12-17 03:09:20,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951651653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:20,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:20,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:20,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472438329] [2021-12-17 03:09:20,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:20,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:20,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:20,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:20,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:20,055 INFO L87 Difference]: Start difference. First operand 260 states and 420 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:22,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:22,350 INFO L93 Difference]: Finished difference Result 613 states and 986 transitions. [2021-12-17 03:09:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:22,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-12-17 03:09:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:22,352 INFO L225 Difference]: With dead ends: 613 [2021-12-17 03:09:22,352 INFO L226 Difference]: Without dead ends: 374 [2021-12-17 03:09:22,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:22,353 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 109 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:22,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 318 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:22,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-17 03:09:22,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 303. [2021-12-17 03:09:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.6357615894039734) internal successors, (494), 302 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 494 transitions. [2021-12-17 03:09:22,359 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 494 transitions. Word has length 105 [2021-12-17 03:09:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:22,359 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 494 transitions. [2021-12-17 03:09:22,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 494 transitions. [2021-12-17 03:09:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-17 03:09:22,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:22,360 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:22,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 03:09:22,360 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:22,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:22,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1500161074, now seen corresponding path program 1 times [2021-12-17 03:09:22,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:22,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386680481] [2021-12-17 03:09:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:22,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-17 03:09:22,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:22,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386680481] [2021-12-17 03:09:22,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386680481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:22,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:22,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:22,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822195978] [2021-12-17 03:09:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:22,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:22,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:22,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:22,456 INFO L87 Difference]: Start difference. First operand 303 states and 494 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:24,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:24,792 INFO L93 Difference]: Finished difference Result 697 states and 1131 transitions. [2021-12-17 03:09:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:24,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-12-17 03:09:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:24,795 INFO L225 Difference]: With dead ends: 697 [2021-12-17 03:09:24,795 INFO L226 Difference]: Without dead ends: 415 [2021-12-17 03:09:24,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:24,796 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 134 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:24,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 302 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 260 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:24,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-12-17 03:09:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 319. [2021-12-17 03:09:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.619496855345912) internal successors, (515), 318 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 515 transitions. [2021-12-17 03:09:24,802 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 515 transitions. Word has length 106 [2021-12-17 03:09:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:24,802 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 515 transitions. [2021-12-17 03:09:24,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 515 transitions. [2021-12-17 03:09:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-17 03:09:24,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:24,803 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:24,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 03:09:24,803 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:24,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2144263610, now seen corresponding path program 1 times [2021-12-17 03:09:24,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:24,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797067196] [2021-12-17 03:09:24,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:24,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-17 03:09:24,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:24,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797067196] [2021-12-17 03:09:24,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797067196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:24,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:24,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:24,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770383361] [2021-12-17 03:09:24,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:24,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:24,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:24,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:24,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:24,903 INFO L87 Difference]: Start difference. First operand 319 states and 515 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:26,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:27,101 INFO L93 Difference]: Finished difference Result 661 states and 1070 transitions. [2021-12-17 03:09:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:27,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-12-17 03:09:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:27,103 INFO L225 Difference]: With dead ends: 661 [2021-12-17 03:09:27,103 INFO L226 Difference]: Without dead ends: 363 [2021-12-17 03:09:27,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:27,104 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 33 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:27,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 461 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-12-17 03:09:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 341. [2021-12-17 03:09:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6176470588235294) internal successors, (550), 340 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 550 transitions. [2021-12-17 03:09:27,112 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 550 transitions. Word has length 106 [2021-12-17 03:09:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:27,113 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 550 transitions. [2021-12-17 03:09:27,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 550 transitions. [2021-12-17 03:09:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-17 03:09:27,114 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:27,114 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:27,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 03:09:27,114 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:27,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1195785078, now seen corresponding path program 1 times [2021-12-17 03:09:27,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:27,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340262953] [2021-12-17 03:09:27,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:27,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-17 03:09:27,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:27,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340262953] [2021-12-17 03:09:27,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340262953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:27,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:27,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:27,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717815522] [2021-12-17 03:09:27,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:27,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:27,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:27,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:27,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:27,203 INFO L87 Difference]: Start difference. First operand 341 states and 550 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:29,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:29,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:29,455 INFO L93 Difference]: Finished difference Result 681 states and 1102 transitions. [2021-12-17 03:09:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:29,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-12-17 03:09:29,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:29,457 INFO L225 Difference]: With dead ends: 681 [2021-12-17 03:09:29,457 INFO L226 Difference]: Without dead ends: 361 [2021-12-17 03:09:29,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:29,458 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 37 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:29,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 465 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 162 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:29,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-12-17 03:09:29,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 341. [2021-12-17 03:09:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6147058823529412) internal successors, (549), 340 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 549 transitions. [2021-12-17 03:09:29,465 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 549 transitions. Word has length 107 [2021-12-17 03:09:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:29,465 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 549 transitions. [2021-12-17 03:09:29,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 549 transitions. [2021-12-17 03:09:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-17 03:09:29,466 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:29,467 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:29,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 03:09:29,468 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:29,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:29,468 INFO L85 PathProgramCache]: Analyzing trace with hash 240959469, now seen corresponding path program 1 times [2021-12-17 03:09:29,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:29,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8883625] [2021-12-17 03:09:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:29,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-17 03:09:29,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:29,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8883625] [2021-12-17 03:09:29,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8883625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:29,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:29,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:29,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343716082] [2021-12-17 03:09:29,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:29,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:29,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:29,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:29,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:29,574 INFO L87 Difference]: Start difference. First operand 341 states and 549 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:31,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:31,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:31,781 INFO L93 Difference]: Finished difference Result 680 states and 1099 transitions. [2021-12-17 03:09:31,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:31,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-12-17 03:09:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:31,783 INFO L225 Difference]: With dead ends: 680 [2021-12-17 03:09:31,783 INFO L226 Difference]: Without dead ends: 360 [2021-12-17 03:09:31,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:31,784 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 42 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:31,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 467 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:31,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-12-17 03:09:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 341. [2021-12-17 03:09:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.611764705882353) internal successors, (548), 340 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 548 transitions. [2021-12-17 03:09:31,790 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 548 transitions. Word has length 120 [2021-12-17 03:09:31,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:31,791 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 548 transitions. [2021-12-17 03:09:31,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:31,791 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 548 transitions. [2021-12-17 03:09:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-17 03:09:31,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:31,792 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:31,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 03:09:31,792 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:31,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1985043260, now seen corresponding path program 1 times [2021-12-17 03:09:31,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:31,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940528859] [2021-12-17 03:09:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:31,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-17 03:09:31,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:31,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940528859] [2021-12-17 03:09:31,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940528859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:31,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:31,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:31,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846008324] [2021-12-17 03:09:31,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:31,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:31,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:31,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:31,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:31,891 INFO L87 Difference]: Start difference. First operand 341 states and 548 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:33,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:34,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:34,212 INFO L93 Difference]: Finished difference Result 730 states and 1164 transitions. [2021-12-17 03:09:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:34,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-12-17 03:09:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:34,214 INFO L225 Difference]: With dead ends: 730 [2021-12-17 03:09:34,214 INFO L226 Difference]: Without dead ends: 410 [2021-12-17 03:09:34,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:34,215 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 132 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:34,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 318 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-17 03:09:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-17 03:09:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 340 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 543 transitions. [2021-12-17 03:09:34,220 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 543 transitions. Word has length 120 [2021-12-17 03:09:34,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:34,220 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 543 transitions. [2021-12-17 03:09:34,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 543 transitions. [2021-12-17 03:09:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-17 03:09:34,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:34,221 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:34,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 03:09:34,221 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:34,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:34,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1586861309, now seen corresponding path program 1 times [2021-12-17 03:09:34,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:34,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660318974] [2021-12-17 03:09:34,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:34,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-17 03:09:34,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:34,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660318974] [2021-12-17 03:09:34,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660318974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:34,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:34,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:34,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734486416] [2021-12-17 03:09:34,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:34,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:34,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:34,309 INFO L87 Difference]: Start difference. First operand 341 states and 543 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:36,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:36,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:36,509 INFO L93 Difference]: Finished difference Result 679 states and 1086 transitions. [2021-12-17 03:09:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:36,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-17 03:09:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:36,511 INFO L225 Difference]: With dead ends: 679 [2021-12-17 03:09:36,511 INFO L226 Difference]: Without dead ends: 359 [2021-12-17 03:09:36,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:36,512 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 38 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:36,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-17 03:09:36,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-12-17 03:09:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 341. [2021-12-17 03:09:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5941176470588236) internal successors, (542), 340 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 542 transitions. [2021-12-17 03:09:36,517 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 542 transitions. Word has length 121 [2021-12-17 03:09:36,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:36,517 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 542 transitions. [2021-12-17 03:09:36,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 542 transitions. [2021-12-17 03:09:36,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-17 03:09:36,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:36,519 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:36,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 03:09:36,519 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:36,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:36,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2093537762, now seen corresponding path program 1 times [2021-12-17 03:09:36,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:36,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181395317] [2021-12-17 03:09:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:36,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-17 03:09:36,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:36,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181395317] [2021-12-17 03:09:36,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181395317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:36,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:36,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:09:36,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016103042] [2021-12-17 03:09:36,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:36,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:09:36,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:36,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:09:36,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:09:36,596 INFO L87 Difference]: Start difference. First operand 341 states and 542 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:38,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:38,898 INFO L93 Difference]: Finished difference Result 730 states and 1152 transitions. [2021-12-17 03:09:38,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:09:38,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-12-17 03:09:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:38,900 INFO L225 Difference]: With dead ends: 730 [2021-12-17 03:09:38,900 INFO L226 Difference]: Without dead ends: 410 [2021-12-17 03:09:38,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:38,901 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 134 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:38,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 304 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-17 03:09:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-17 03:09:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-17 03:09:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.576470588235294) internal successors, (536), 340 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 536 transitions. [2021-12-17 03:09:38,925 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 536 transitions. Word has length 123 [2021-12-17 03:09:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:38,925 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 536 transitions. [2021-12-17 03:09:38,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 536 transitions. [2021-12-17 03:09:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-17 03:09:38,926 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:38,926 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:38,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-17 03:09:38,927 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:38,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:38,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1960687741, now seen corresponding path program 1 times [2021-12-17 03:09:38,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:38,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125731436] [2021-12-17 03:09:38,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:38,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-17 03:09:39,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:09:39,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125731436] [2021-12-17 03:09:39,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125731436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:39,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:39,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 03:09:39,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908201052] [2021-12-17 03:09:39,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:39,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 03:09:39,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:09:39,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 03:09:39,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:09:39,300 INFO L87 Difference]: Start difference. First operand 341 states and 536 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:41,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:43,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:09:43,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:43,565 INFO L93 Difference]: Finished difference Result 679 states and 1068 transitions. [2021-12-17 03:09:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 03:09:43,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-17 03:09:43,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:43,566 INFO L225 Difference]: With dead ends: 679 [2021-12-17 03:09:43,566 INFO L226 Difference]: Without dead ends: 341 [2021-12-17 03:09:43,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 03:09:43,567 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:43,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2021-12-17 03:09:43,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-12-17 03:09:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-12-17 03:09:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5735294117647058) internal successors, (535), 340 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 535 transitions. [2021-12-17 03:09:43,574 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 535 transitions. Word has length 127 [2021-12-17 03:09:43,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:43,574 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 535 transitions. [2021-12-17 03:09:43,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 535 transitions. [2021-12-17 03:09:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-17 03:09:43,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:43,576 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:43,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 03:09:43,576 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:43,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1254091135, now seen corresponding path program 1 times [2021-12-17 03:09:43,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:09:43,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651115336] [2021-12-17 03:09:43,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:43,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:09:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 03:09:43,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 03:09:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 03:09:44,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 03:09:44,226 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 03:09:44,226 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:09:44,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 03:09:44,232 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:44,234 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:09:44,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:44 BoogieIcfgContainer [2021-12-17 03:09:44,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:09:44,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:09:44,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:09:44,364 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:09:44,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:52" (3/4) ... [2021-12-17 03:09:44,368 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 03:09:44,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:09:44,372 INFO L158 Benchmark]: Toolchain (without parser) took 55737.36ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 64.0MB in the beginning and 77.4MB in the end (delta: -13.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-12-17 03:09:44,373 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:09:44,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.23ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 50.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 03:09:44,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.05ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 90.3MB in the end (delta: -40.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-12-17 03:09:44,373 INFO L158 Benchmark]: Boogie Preprocessor took 83.87ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 83.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 03:09:44,374 INFO L158 Benchmark]: RCFGBuilder took 2917.32ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 53.1MB in the end (delta: 30.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-12-17 03:09:44,374 INFO L158 Benchmark]: TraceAbstraction took 52068.77ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 77.4MB in the end (delta: -25.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2021-12-17 03:09:44,374 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:09:44,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.23ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 50.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.05ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 90.3MB in the end (delta: -40.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.87ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 83.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2917.32ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 53.1MB in the end (delta: 30.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * TraceAbstraction took 52068.77ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 77.4MB in the end (delta: -25.0MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1733]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->info_callback={0:-2}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] EXPR s->cert VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967291:0}, s={-4294967291:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967321, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->s3={-4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1382] COND FALSE !(ret <= 0) [L1387] s->hit VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->hit=7, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1387] COND TRUE s->hit [L1388] s->state = 8656 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1392] s->init_num = 0 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967321, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->s3={-4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND TRUE s->state == 8656 [L1585] EXPR s->session [L1585] EXPR s->s3 [L1585] EXPR (s->s3)->tmp.new_cipher [L1585] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1586] COND FALSE !(! tmp___9) [L1592] ret = __VERIFIER_nondet_int() [L1593] COND TRUE blastFlag == 2 [L1594] blastFlag = 3 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1605] COND FALSE !(! tmp___10) VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967321, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->s3={-4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=1, s={-4294967291:0}, s={-4294967291:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 3 VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=-11, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1733] reach_error() VAL [={0:-2}, blastFlag=3, got_new_session=1, init=1, ret=-11, s={-4294967291:0}, s={-4294967291:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.9s, OverallIterations: 22, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 48.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 1438 SdHoareTripleChecker+Valid, 47.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1438 mSDsluCounter, 8507 SdHoareTripleChecker+Invalid, 46.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5306 mSDsCounter, 609 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4151 IncrementalHoareTripleChecker+Invalid, 4780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 609 mSolverCounterUnsat, 3201 mSDtfsCounter, 4151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=15, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 898 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1924 NumberOfCodeBlocks, 1924 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1776 ConstructedInterpolants, 0 QuantifiedInterpolants, 4546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 923/923 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-17 03:09:44,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:09:46,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:09:46,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:09:46,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:09:46,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:09:46,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:09:46,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:09:46,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:09:46,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:09:46,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:09:46,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:09:46,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:09:46,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:09:46,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:09:46,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:09:46,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:09:46,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:09:46,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:09:46,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:09:46,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:09:46,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:09:46,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:09:46,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:09:46,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:09:46,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:09:46,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:09:46,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:09:46,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:09:46,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:09:46,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:09:46,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:09:46,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:09:46,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:09:46,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:09:46,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:09:46,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:09:46,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:09:46,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:09:46,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:09:46,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:09:46,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:09:46,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 03:09:46,438 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:09:46,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:09:46,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:09:46,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:09:46,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:09:46,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:09:46,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:09:46,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:09:46,441 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:09:46,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:09:46,442 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:09:46,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:09:46,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:09:46,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:09:46,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:09:46,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:09:46,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:09:46,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 03:09:46,444 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 03:09:46,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:09:46,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:09:46,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:09:46,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:09:46,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 03:09:46,445 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4863b1f1d4b898d74c0df74738b7a6c95d5e4b7b1780f99116ba75ba156137bf [2021-12-17 03:09:46,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:09:46,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:09:46,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:09:46,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:09:46,796 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:09:46,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-17 03:09:46,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b135a84/451ff5aa52a94ff3a1a530dfe4a0d5d8/FLAG97a39e524 [2021-12-17 03:09:47,343 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:09:47,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-12-17 03:09:47,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b135a84/451ff5aa52a94ff3a1a530dfe4a0d5d8/FLAG97a39e524 [2021-12-17 03:09:47,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b135a84/451ff5aa52a94ff3a1a530dfe4a0d5d8 [2021-12-17 03:09:47,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:09:47,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:09:47,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:09:47,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:09:47,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:09:47,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:47" (1/1) ... [2021-12-17 03:09:47,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c269ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:47, skipping insertion in model container [2021-12-17 03:09:47,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:47" (1/1) ... [2021-12-17 03:09:47,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:09:47,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:09:48,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-17 03:09:48,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:09:48,055 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-17 03:09:48,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:09:48,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-17 03:09:48,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:09:48,130 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:09:48,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72502,72515] [2021-12-17 03:09:48,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:09:48,257 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:09:48,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48 WrapperNode [2021-12-17 03:09:48,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:09:48,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:09:48,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:09:48,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:09:48,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,345 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-12-17 03:09:48,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:09:48,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:09:48,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:09:48,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:09:48,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:09:48,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:09:48,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:09:48,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:09:48,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 03:09:48,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:09:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:09:48,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 03:09:48,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 03:09:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:09:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 03:09:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-17 03:09:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 03:09:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-17 03:09:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-17 03:09:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:09:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:09:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 03:09:48,664 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:09:48,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:09:48,675 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-17 03:09:56,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-17 03:09:56,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-17 03:09:56,000 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:09:56,006 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:09:56,007 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:09:56,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:56 BoogieIcfgContainer [2021-12-17 03:09:56,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:09:56,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:09:56,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:09:56,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:09:56,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:47" (1/3) ... [2021-12-17 03:09:56,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1837ddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:56, skipping insertion in model container [2021-12-17 03:09:56,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (2/3) ... [2021-12-17 03:09:56,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1837ddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:56, skipping insertion in model container [2021-12-17 03:09:56,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:56" (3/3) ... [2021-12-17 03:09:56,015 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.02.i.cil-1.c [2021-12-17 03:09:56,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:09:56,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:09:56,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:09:56,125 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 03:09:56,126 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:09:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-17 03:09:56,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:56,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:56,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:56,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:56,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-12-17 03:09:56,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 03:09:56,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390278681] [2021-12-17 03:09:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:56,190 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 03:09:56,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 03:09:56,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 03:09:56,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 03:09:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:56,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:09:56,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:09:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:56,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:09:56,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 03:09:56,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390278681] [2021-12-17 03:09:56,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390278681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:56,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:56,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:09:56,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237894999] [2021-12-17 03:09:56,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:56,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:09:56,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 03:09:56,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:09:56,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:09:56,921 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:57,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:57,037 INFO L93 Difference]: Finished difference Result 412 states and 698 transitions. [2021-12-17 03:09:57,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:09:57,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-12-17 03:09:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:57,046 INFO L225 Difference]: With dead ends: 412 [2021-12-17 03:09:57,046 INFO L226 Difference]: Without dead ends: 251 [2021-12-17 03:09:57,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:09:57,050 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 186 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:57,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 456 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 03:09:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-12-17 03:09:57,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-12-17 03:09:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.516) internal successors, (379), 250 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2021-12-17 03:09:57,098 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 47 [2021-12-17 03:09:57,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:57,099 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2021-12-17 03:09:57,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2021-12-17 03:09:57,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 03:09:57,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:57,102 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:57,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-17 03:09:57,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 03:09:57,333 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:57,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:57,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1889550317, now seen corresponding path program 1 times [2021-12-17 03:09:57,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 03:09:57,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732573192] [2021-12-17 03:09:57,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:57,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 03:09:57,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 03:09:57,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 03:09:57,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 03:09:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:57,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:09:57,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:09:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:09:57,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:09:57,994 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 03:09:57,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732573192] [2021-12-17 03:09:57,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732573192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:57,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:57,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:09:57,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439771158] [2021-12-17 03:09:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:57,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:09:57,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 03:09:57,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:09:57,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:09:57,996 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:58,118 INFO L93 Difference]: Finished difference Result 489 states and 744 transitions. [2021-12-17 03:09:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:09:58,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-12-17 03:09:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:58,121 INFO L225 Difference]: With dead ends: 489 [2021-12-17 03:09:58,121 INFO L226 Difference]: Without dead ends: 367 [2021-12-17 03:09:58,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:09:58,122 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 134 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:58,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 557 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 03:09:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-12-17 03:09:58,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-12-17 03:09:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 366 states have (on average 1.5136612021857923) internal successors, (554), 366 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 554 transitions. [2021-12-17 03:09:58,135 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 554 transitions. Word has length 64 [2021-12-17 03:09:58,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:58,136 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 554 transitions. [2021-12-17 03:09:58,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 554 transitions. [2021-12-17 03:09:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-17 03:09:58,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:58,139 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:58,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 03:09:58,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 03:09:58,353 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:58,353 INFO L85 PathProgramCache]: Analyzing trace with hash -617936825, now seen corresponding path program 1 times [2021-12-17 03:09:58,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 03:09:58,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640563245] [2021-12-17 03:09:58,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:58,355 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 03:09:58,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 03:09:58,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 03:09:58,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 03:09:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:09:58,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:09:58,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:09:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 03:09:59,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:09:59,284 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 03:09:59,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640563245] [2021-12-17 03:09:59,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640563245] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:09:59,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:09:59,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:09:59,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050141468] [2021-12-17 03:09:59,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:09:59,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:09:59,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 03:09:59,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:09:59,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:09:59,287 INFO L87 Difference]: Start difference. First operand 367 states and 554 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:59,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:09:59,633 INFO L93 Difference]: Finished difference Result 723 states and 1098 transitions. [2021-12-17 03:09:59,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:09:59,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-12-17 03:09:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:09:59,637 INFO L225 Difference]: With dead ends: 723 [2021-12-17 03:09:59,637 INFO L226 Difference]: Without dead ends: 485 [2021-12-17 03:09:59,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:09:59,638 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 135 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:09:59,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 561 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:09:59,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-12-17 03:09:59,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-12-17 03:09:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 484 states have (on average 1.512396694214876) internal successors, (732), 484 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 732 transitions. [2021-12-17 03:09:59,650 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 732 transitions. Word has length 86 [2021-12-17 03:09:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:09:59,650 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 732 transitions. [2021-12-17 03:09:59,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:09:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 732 transitions. [2021-12-17 03:09:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-17 03:09:59,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:09:59,656 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:09:59,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 03:09:59,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 03:09:59,877 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:09:59,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:09:59,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1960687741, now seen corresponding path program 1 times [2021-12-17 03:09:59,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 03:09:59,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989318563] [2021-12-17 03:09:59,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:09:59,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 03:09:59,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 03:09:59,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 03:09:59,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-17 03:10:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:10:01,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-17 03:10:01,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:10:01,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-17 03:10:01,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-17 03:10:01,642 INFO L354 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-12-17 03:10:01,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 58 treesize of output 85 [2021-12-17 03:10:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:01,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2021-12-17 03:10:02,018 INFO L354 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-12-17 03:10:02,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2021-12-17 03:10:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 03:10:02,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2021-12-17 03:10:02,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-17 03:10:02,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-17 03:10:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-17 03:10:02,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:10:02,420 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 03:10:02,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989318563] [2021-12-17 03:10:02,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989318563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:10:02,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:10:02,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 03:10:02,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753865430] [2021-12-17 03:10:02,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:10:02,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 03:10:02,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 03:10:02,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 03:10:02,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:10:02,422 INFO L87 Difference]: Start difference. First operand 485 states and 732 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:10:04,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:10:06,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:10:09,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:10:13,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 03:10:14,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:10:14,691 INFO L93 Difference]: Finished difference Result 967 states and 1460 transitions. [2021-12-17 03:10:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 03:10:14,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-17 03:10:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:10:14,697 INFO L225 Difference]: With dead ends: 967 [2021-12-17 03:10:14,697 INFO L226 Difference]: Without dead ends: 485 [2021-12-17 03:10:14,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 03:10:14,699 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-17 03:10:14,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2021-12-17 03:10:14,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-12-17 03:10:14,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-12-17 03:10:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 484 states have (on average 1.5103305785123966) internal successors, (731), 484 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:10:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 731 transitions. [2021-12-17 03:10:14,729 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 731 transitions. Word has length 127 [2021-12-17 03:10:14,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:10:14,729 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 731 transitions. [2021-12-17 03:10:14,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:10:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 731 transitions. [2021-12-17 03:10:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-17 03:10:14,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:10:14,734 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:10:14,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-17 03:10:14,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 03:10:14,947 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:10:14,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:10:14,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1254091135, now seen corresponding path program 1 times [2021-12-17 03:10:14,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 03:10:14,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925563605] [2021-12-17 03:10:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:10:14,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 03:10:14,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 03:10:14,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 03:10:14,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-17 03:10:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 03:10:20,068 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 03:10:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 03:10:22,268 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-17 03:10:22,268 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 03:10:22,269 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:10:22,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-17 03:10:22,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 03:10:22,490 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-17 03:10:22,492 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:10:22,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:10:22 BoogieIcfgContainer [2021-12-17 03:10:22,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:10:22,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:10:22,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:10:22,637 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:10:22,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:56" (3/4) ... [2021-12-17 03:10:22,639 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-17 03:10:22,695 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 03:10:22,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:10:22,695 INFO L158 Benchmark]: Toolchain (without parser) took 35051.89ms. Allocated memory was 54.5MB in the beginning and 119.5MB in the end (delta: 65.0MB). Free memory was 30.3MB in the beginning and 60.8MB in the end (delta: -30.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,696 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:10:22,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.63ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.1MB in the beginning and 30.8MB in the end (delta: -666.4kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.15ms. Allocated memory is still 67.1MB. Free memory was 30.8MB in the beginning and 43.6MB in the end (delta: -12.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,696 INFO L158 Benchmark]: Boogie Preprocessor took 85.64ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 36.5MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,697 INFO L158 Benchmark]: RCFGBuilder took 7574.43ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 36.2MB in the beginning and 52.4MB in the end (delta: -16.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,697 INFO L158 Benchmark]: TraceAbstraction took 26626.76ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 51.8MB in the beginning and 79.7MB in the end (delta: -27.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,697 INFO L158 Benchmark]: Witness Printer took 58.31ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 60.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 03:10:22,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.63ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.1MB in the beginning and 30.8MB in the end (delta: -666.4kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.15ms. Allocated memory is still 67.1MB. Free memory was 30.8MB in the beginning and 43.6MB in the end (delta: -12.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.64ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 36.5MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7574.43ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 36.2MB in the beginning and 52.4MB in the end (delta: -16.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 26626.76ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 51.8MB in the beginning and 79.7MB in the end (delta: -27.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 58.31ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 60.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1733]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=0] [L1161] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->cert={6:0}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, Time=7, tmp=7, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={1073741834:0}, s={1073741834:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=0, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->s3={14:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=7, tmp=7, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1382] COND FALSE !(ret <= 0) [L1387] s->hit VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1387] COND TRUE s->hit [L1388] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1392] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->s3={14:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=7, tmp=7, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0] [L1260] COND TRUE s->state == 8656 [L1585] EXPR s->session [L1585] EXPR s->s3 [L1585] EXPR (s->s3)->tmp.new_cipher [L1585] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1586] COND FALSE !(! tmp___9) [L1592] ret = __VERIFIER_nondet_int() [L1593] COND TRUE blastFlag == 2 [L1594] blastFlag = 3 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0, tmp___9=2] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0, tmp___9=2] [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->s3={14:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=1073741824, s={1073741834:0}, s={1073741834:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 3 VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=8, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] [L1733] reach_error() VAL [={0:-2147483648}, blastFlag=3, got_new_session=1, init=1, ret=8, s={1073741834:0}, s={1073741834:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=7, tmp=7, tmp___1=0, tmp___10=2, tmp___9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 2205 SdHoareTripleChecker+Invalid, 12.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1033 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 1172 mSDtfsCounter, 209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=485occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 668 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2830 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 153/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-17 03:10:22,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE