./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 4b03525ec5447375a01688a728ac5f10add5f84664db60bd75967c00682bdc6d --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 17:34:46,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 17:34:46,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 17:34:46,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 17:34:46,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 17:34:46,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 17:34:46,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 17:34:46,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 17:34:46,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 17:34:46,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 17:34:46,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 17:34:46,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 17:34:46,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 17:34:46,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 17:34:46,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 17:34:46,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 17:34:46,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 17:34:46,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 17:34:46,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 17:34:46,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 17:34:46,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 17:34:46,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 17:34:46,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 17:34:46,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 17:34:46,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 17:34:46,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 17:34:46,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 17:34:46,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 17:34:46,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 17:34:46,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 17:34:46,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 17:34:46,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 17:34:46,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 17:34:46,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 17:34:46,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 17:34:46,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 17:34:46,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 17:34:46,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 17:34:46,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 17:34:46,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 17:34:46,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 17:34:46,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 17:34:46,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 17:34:46,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 17:34:46,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 17:34:46,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 17:34:46,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 17:34:46,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 17:34:46,494 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 17:34:46,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 17:34:46,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 17:34:46,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 17:34:46,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 17:34:46,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 17:34:46,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 17:34:46,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 17:34:46,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 17:34:46,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 17:34:46,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 17:34:46,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 17:34:46,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 17:34:46,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 17:34:46,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 17:34:46,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 17:34:46,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 17:34:46,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 17:34:46,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 17:34:46,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 17:34:46,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 17:34:46,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 17:34:46,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 17:34:46,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b03525ec5447375a01688a728ac5f10add5f84664db60bd75967c00682bdc6d [2021-11-05 17:34:46,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 17:34:46,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 17:34:46,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 17:34:46,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 17:34:46,788 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 17:34:46,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-05 17:34:46,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f066c2c9/a30c61f16de2433fbdac047e769bd2a5/FLAG494213da7 [2021-11-05 17:34:47,500 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 17:34:47,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-05 17:34:47,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f066c2c9/a30c61f16de2433fbdac047e769bd2a5/FLAG494213da7 [2021-11-05 17:34:47,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f066c2c9/a30c61f16de2433fbdac047e769bd2a5 [2021-11-05 17:34:47,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 17:34:47,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 17:34:47,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 17:34:47,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 17:34:47,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 17:34:47,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:34:47" (1/1) ... [2021-11-05 17:34:47,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1240a083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:47, skipping insertion in model container [2021-11-05 17:34:47,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:34:47" (1/1) ... [2021-11-05 17:34:47,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 17:34:47,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 17:34:49,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2021-11-05 17:34:49,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 17:34:49,255 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 17:34:49,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2021-11-05 17:34:49,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 17:34:49,628 INFO L208 MainTranslator]: Completed translation [2021-11-05 17:34:49,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49 WrapperNode [2021-11-05 17:34:49,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 17:34:49,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 17:34:49,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 17:34:49,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 17:34:49,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:49,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:49,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 17:34:49,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 17:34:49,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 17:34:49,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 17:34:49,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:49,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 17:34:50,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 17:34:50,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 17:34:50,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 17:34:50,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (1/1) ... [2021-11-05 17:34:50,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 17:34:50,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 17:34:50,477 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) [2021-11-05 17:34:50,493 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 [2021-11-05 17:34:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-05 17:34:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 17:34:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 17:34:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 17:34:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 17:34:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 17:34:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 17:34:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 17:34:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 17:34:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 17:34:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 17:34:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 17:34:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 17:34:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 17:34:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 17:34:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 17:34:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 17:35:25,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 17:35:25,088 INFO L299 CfgBuilder]: Removed 1764 assume(true) statements. [2021-11-05 17:35:25,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:35:25 BoogieIcfgContainer [2021-11-05 17:35:25,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 17:35:25,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 17:35:25,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 17:35:25,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 17:35:25,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:34:47" (1/3) ... [2021-11-05 17:35:25,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3916b00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:35:25, skipping insertion in model container [2021-11-05 17:35:25,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:34:49" (2/3) ... [2021-11-05 17:35:25,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3916b00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:35:25, skipping insertion in model container [2021-11-05 17:35:25,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:35:25" (3/3) ... [2021-11-05 17:35:25,097 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-05 17:35:25,100 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 17:35:25,100 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-11-05 17:35:25,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 17:35:25,145 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 17:35:25,145 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-11-05 17:35:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 2037 states, 1965 states have (on average 1.4600508905852416) internal successors, (2869), 2036 states have internal predecessors, (2869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-05 17:35:25,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:25,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:25,199 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:25,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:25,202 INFO L85 PathProgramCache]: Analyzing trace with hash -107109679, now seen corresponding path program 1 times [2021-11-05 17:35:25,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:25,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405952462] [2021-11-05 17:35:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:25,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:25,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:25,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405952462] [2021-11-05 17:35:25,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405952462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:25,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:25,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 17:35:25,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817315800] [2021-11-05 17:35:25,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:25,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 17:35:25,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:25,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 17:35:25,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 17:35:25,954 INFO L87 Difference]: Start difference. First operand has 2037 states, 1965 states have (on average 1.4600508905852416) internal successors, (2869), 2036 states have internal predecessors, (2869), 0 states have call successors, (0), 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 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:26,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:26,049 INFO L93 Difference]: Finished difference Result 4070 states and 5733 transitions. [2021-11-05 17:35:26,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 17:35:26,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-05 17:35:26,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:26,070 INFO L225 Difference]: With dead ends: 4070 [2021-11-05 17:35:26,070 INFO L226 Difference]: Without dead ends: 2026 [2021-11-05 17:35:26,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 17:35:26,079 INFO L933 BasicCegarLoop]: 2744 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:26,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2744 Invalid, 0 Unknown, 0 Unchecked, 10.59ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 17:35:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2021-11-05 17:35:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2021-11-05 17:35:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1955 states have (on average 1.3943734015345268) internal successors, (2726), 2025 states have internal predecessors, (2726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2726 transitions. [2021-11-05 17:35:26,173 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2726 transitions. Word has length 74 [2021-11-05 17:35:26,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:26,173 INFO L470 AbstractCegarLoop]: Abstraction has 2026 states and 2726 transitions. [2021-11-05 17:35:26,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2726 transitions. [2021-11-05 17:35:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-05 17:35:26,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:26,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:26,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 17:35:26,176 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:26,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:26,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2011007137, now seen corresponding path program 1 times [2021-11-05 17:35:26,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:26,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557391275] [2021-11-05 17:35:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:26,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:26,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:26,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557391275] [2021-11-05 17:35:26,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557391275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:26,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:26,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:26,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581225653] [2021-11-05 17:35:26,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:26,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:26,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:26,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:26,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:26,570 INFO L87 Difference]: Start difference. First operand 2026 states and 2726 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:26,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:26,979 INFO L93 Difference]: Finished difference Result 5420 states and 7303 transitions. [2021-11-05 17:35:26,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:26,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-05 17:35:26,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:26,992 INFO L225 Difference]: With dead ends: 5420 [2021-11-05 17:35:26,993 INFO L226 Difference]: Without dead ends: 3460 [2021-11-05 17:35:26,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:26,997 INFO L933 BasicCegarLoop]: 2725 mSDtfsCounter, 1995 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 5358 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.70ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 309.09ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:26,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1995 Valid, 5358 Invalid, 20 Unknown, 0 Unchecked, 12.70ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 309.09ms Time] [2021-11-05 17:35:27,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2021-11-05 17:35:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3324. [2021-11-05 17:35:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 3253 states have (on average 1.4033200122963418) internal successors, (4565), 3323 states have internal predecessors, (4565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4565 transitions. [2021-11-05 17:35:27,075 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4565 transitions. Word has length 74 [2021-11-05 17:35:27,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:27,076 INFO L470 AbstractCegarLoop]: Abstraction has 3324 states and 4565 transitions. [2021-11-05 17:35:27,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4565 transitions. [2021-11-05 17:35:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-05 17:35:27,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:27,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:27,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 17:35:27,084 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:27,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:27,085 INFO L85 PathProgramCache]: Analyzing trace with hash -349824167, now seen corresponding path program 1 times [2021-11-05 17:35:27,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:27,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155429401] [2021-11-05 17:35:27,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:27,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:27,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:27,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155429401] [2021-11-05 17:35:27,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155429401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:27,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:27,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:27,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869552648] [2021-11-05 17:35:27,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:27,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:27,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:27,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:27,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:27,379 INFO L87 Difference]: Start difference. First operand 3324 states and 4565 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:27,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:27,757 INFO L93 Difference]: Finished difference Result 8368 states and 11553 transitions. [2021-11-05 17:35:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:27,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2021-11-05 17:35:27,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:27,777 INFO L225 Difference]: With dead ends: 8368 [2021-11-05 17:35:27,777 INFO L226 Difference]: Without dead ends: 5110 [2021-11-05 17:35:27,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:27,786 INFO L933 BasicCegarLoop]: 3443 mSDtfsCounter, 1694 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 6071 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.46ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 217.48ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:27,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1694 Valid, 6071 Invalid, 25 Unknown, 0 Unchecked, 7.46ms Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 217.48ms Time] [2021-11-05 17:35:27,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2021-11-05 17:35:27,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 5006. [2021-11-05 17:35:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5006 states, 4935 states have (on average 1.4192502532928064) internal successors, (7004), 5005 states have internal predecessors, (7004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 7004 transitions. [2021-11-05 17:35:27,913 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 7004 transitions. Word has length 75 [2021-11-05 17:35:27,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:27,915 INFO L470 AbstractCegarLoop]: Abstraction has 5006 states and 7004 transitions. [2021-11-05 17:35:27,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 7004 transitions. [2021-11-05 17:35:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-05 17:35:27,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:27,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:27,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 17:35:27,919 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash -884622035, now seen corresponding path program 1 times [2021-11-05 17:35:27,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:27,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284832309] [2021-11-05 17:35:27,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:27,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:28,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:28,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284832309] [2021-11-05 17:35:28,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284832309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:28,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:28,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:28,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132859363] [2021-11-05 17:35:28,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:28,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:28,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:28,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:28,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:28,235 INFO L87 Difference]: Start difference. First operand 5006 states and 7004 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:30,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:35:30,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:30,608 INFO L93 Difference]: Finished difference Result 14815 states and 20787 transitions. [2021-11-05 17:35:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:30,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-05 17:35:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:30,641 INFO L225 Difference]: With dead ends: 14815 [2021-11-05 17:35:30,642 INFO L226 Difference]: Without dead ends: 9875 [2021-11-05 17:35:30,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:30,654 INFO L933 BasicCegarLoop]: 3441 mSDtfsCounter, 2594 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2162.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.58ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2225.42ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:30,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2594 Valid, 6143 Invalid, 15 Unknown, 0 Unchecked, 7.58ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2225.42ms Time] [2021-11-05 17:35:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9875 states. [2021-11-05 17:35:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9875 to 9737. [2021-11-05 17:35:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 9666 states have (on average 1.4252017380509001) internal successors, (13776), 9736 states have internal predecessors, (13776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13776 transitions. [2021-11-05 17:35:30,860 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13776 transitions. Word has length 78 [2021-11-05 17:35:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:30,860 INFO L470 AbstractCegarLoop]: Abstraction has 9737 states and 13776 transitions. [2021-11-05 17:35:30,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13776 transitions. [2021-11-05 17:35:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 17:35:30,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:30,861 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:30,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 17:35:30,862 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:30,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:30,863 INFO L85 PathProgramCache]: Analyzing trace with hash 166996193, now seen corresponding path program 1 times [2021-11-05 17:35:30,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:30,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961757303] [2021-11-05 17:35:30,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:30,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:31,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:31,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961757303] [2021-11-05 17:35:31,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961757303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:31,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:31,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:31,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344121401] [2021-11-05 17:35:31,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:31,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:31,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:31,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:31,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:31,158 INFO L87 Difference]: Start difference. First operand 9737 states and 13776 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:31,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:31,671 INFO L93 Difference]: Finished difference Result 26725 states and 37862 transitions. [2021-11-05 17:35:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:31,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-11-05 17:35:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:31,729 INFO L225 Difference]: With dead ends: 26725 [2021-11-05 17:35:31,730 INFO L226 Difference]: Without dead ends: 17054 [2021-11-05 17:35:31,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:31,747 INFO L933 BasicCegarLoop]: 3448 mSDtfsCounter, 2256 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 195.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2256 SdHoareTripleChecker+Valid, 6081 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.47ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 212.19ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:31,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2256 Valid, 6081 Invalid, 20 Unknown, 0 Unchecked, 7.47ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 212.19ms Time] [2021-11-05 17:35:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17054 states. [2021-11-05 17:35:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17054 to 16937. [2021-11-05 17:35:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16937 states, 16866 states have (on average 1.4283173247954464) internal successors, (24090), 16936 states have internal predecessors, (24090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16937 states to 16937 states and 24090 transitions. [2021-11-05 17:35:32,069 INFO L78 Accepts]: Start accepts. Automaton has 16937 states and 24090 transitions. Word has length 80 [2021-11-05 17:35:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:32,069 INFO L470 AbstractCegarLoop]: Abstraction has 16937 states and 24090 transitions. [2021-11-05 17:35:32,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16937 states and 24090 transitions. [2021-11-05 17:35:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 17:35:32,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:32,071 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:32,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 17:35:32,071 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:32,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:32,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1237557889, now seen corresponding path program 1 times [2021-11-05 17:35:32,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:32,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25710415] [2021-11-05 17:35:32,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:32,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:32,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:32,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25710415] [2021-11-05 17:35:32,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25710415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:32,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:32,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:32,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179100877] [2021-11-05 17:35:32,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:32,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:32,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:32,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:32,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:32,326 INFO L87 Difference]: Start difference. First operand 16937 states and 24090 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:32,905 INFO L93 Difference]: Finished difference Result 48169 states and 68447 transitions. [2021-11-05 17:35:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-05 17:35:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:32,974 INFO L225 Difference]: With dead ends: 48169 [2021-11-05 17:35:32,975 INFO L226 Difference]: Without dead ends: 31298 [2021-11-05 17:35:33,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:33,006 INFO L933 BasicCegarLoop]: 3872 mSDtfsCounter, 2465 mSDsluCounter, 2642 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 6514 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.56ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:33,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2465 Valid, 6514 Invalid, 11 Unknown, 0 Unchecked, 6.55ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 154.56ms Time] [2021-11-05 17:35:33,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31298 states. [2021-11-05 17:35:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31298 to 31145. [2021-11-05 17:35:33,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31145 states, 31074 states have (on average 1.4264658556992984) internal successors, (44326), 31144 states have internal predecessors, (44326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31145 states to 31145 states and 44326 transitions. [2021-11-05 17:35:33,747 INFO L78 Accepts]: Start accepts. Automaton has 31145 states and 44326 transitions. Word has length 81 [2021-11-05 17:35:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:33,748 INFO L470 AbstractCegarLoop]: Abstraction has 31145 states and 44326 transitions. [2021-11-05 17:35:33,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 31145 states and 44326 transitions. [2021-11-05 17:35:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 17:35:33,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:33,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:33,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 17:35:33,749 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:33,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:33,749 INFO L85 PathProgramCache]: Analyzing trace with hash 28195692, now seen corresponding path program 1 times [2021-11-05 17:35:33,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:33,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397224925] [2021-11-05 17:35:33,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:33,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:34,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:34,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397224925] [2021-11-05 17:35:34,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397224925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:34,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:34,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:34,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124839506] [2021-11-05 17:35:34,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:34,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:34,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:34,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:34,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:34,031 INFO L87 Difference]: Start difference. First operand 31145 states and 44326 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:35,124 INFO L93 Difference]: Finished difference Result 89072 states and 126778 transitions. [2021-11-05 17:35:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:35,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2021-11-05 17:35:35,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:35,288 INFO L225 Difference]: With dead ends: 89072 [2021-11-05 17:35:35,289 INFO L226 Difference]: Without dead ends: 57993 [2021-11-05 17:35:35,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:35,365 INFO L933 BasicCegarLoop]: 4107 mSDtfsCounter, 2495 mSDsluCounter, 2642 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 147.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6749 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.81ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:35,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2495 Valid, 6749 Invalid, 11 Unknown, 0 Unchecked, 10.11ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 161.81ms Time] [2021-11-05 17:35:35,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57993 states. [2021-11-05 17:35:36,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57993 to 57849. [2021-11-05 17:35:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57849 states, 57778 states have (on average 1.426390667728201) internal successors, (82414), 57848 states have internal predecessors, (82414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57849 states to 57849 states and 82414 transitions. [2021-11-05 17:35:36,510 INFO L78 Accepts]: Start accepts. Automaton has 57849 states and 82414 transitions. Word has length 82 [2021-11-05 17:35:36,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:36,510 INFO L470 AbstractCegarLoop]: Abstraction has 57849 states and 82414 transitions. [2021-11-05 17:35:36,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57849 states and 82414 transitions. [2021-11-05 17:35:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-05 17:35:36,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:36,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:36,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 17:35:36,516 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:36,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:36,516 INFO L85 PathProgramCache]: Analyzing trace with hash -930027842, now seen corresponding path program 1 times [2021-11-05 17:35:36,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:36,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659007148] [2021-11-05 17:35:36,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:36,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:36,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:36,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659007148] [2021-11-05 17:35:36,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659007148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:36,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:36,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 17:35:36,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679094879] [2021-11-05 17:35:36,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:36,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:36,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:36,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:36,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:36,768 INFO L87 Difference]: Start difference. First operand 57849 states and 82414 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:37,863 INFO L93 Difference]: Finished difference Result 57849 states and 82414 transitions. [2021-11-05 17:35:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:37,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-05 17:35:37,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:38,006 INFO L225 Difference]: With dead ends: 57849 [2021-11-05 17:35:38,006 INFO L226 Difference]: Without dead ends: 57837 [2021-11-05 17:35:38,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.01ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:38,028 INFO L933 BasicCegarLoop]: 2708 mSDtfsCounter, 1838 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 3473 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.45ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.14ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:38,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1838 Valid, 3473 Invalid, 34 Unknown, 0 Unchecked, 3.45ms Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 146.14ms Time] [2021-11-05 17:35:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57837 states. [2021-11-05 17:35:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57837 to 57837. [2021-11-05 17:35:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57837 states, 57772 states have (on average 1.4236481340441736) internal successors, (82247), 57836 states have internal predecessors, (82247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57837 states to 57837 states and 82247 transitions. [2021-11-05 17:35:39,191 INFO L78 Accepts]: Start accepts. Automaton has 57837 states and 82247 transitions. Word has length 90 [2021-11-05 17:35:39,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:39,191 INFO L470 AbstractCegarLoop]: Abstraction has 57837 states and 82247 transitions. [2021-11-05 17:35:39,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 57837 states and 82247 transitions. [2021-11-05 17:35:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-05 17:35:39,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:39,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:39,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 17:35:39,192 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:39,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:39,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1233920775, now seen corresponding path program 1 times [2021-11-05 17:35:39,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:39,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059275867] [2021-11-05 17:35:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:39,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:39,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:39,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059275867] [2021-11-05 17:35:39,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059275867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:39,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:39,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 17:35:39,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628733416] [2021-11-05 17:35:39,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:39,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:39,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:39,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:39,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:39,443 INFO L87 Difference]: Start difference. First operand 57837 states and 82247 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:41,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:41,375 INFO L93 Difference]: Finished difference Result 126932 states and 180439 transitions. [2021-11-05 17:35:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:41,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-11-05 17:35:41,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:41,541 INFO L225 Difference]: With dead ends: 126932 [2021-11-05 17:35:41,542 INFO L226 Difference]: Without dead ends: 69161 [2021-11-05 17:35:41,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:41,746 INFO L933 BasicCegarLoop]: 2652 mSDtfsCounter, 823 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 676.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.47ms SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 741.70ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:41,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [823 Valid, 4779 Invalid, 204 Unknown, 0 Unchecked, 5.47ms Time], IncrementalHoareTripleChecker [74 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 741.70ms Time] [2021-11-05 17:35:41,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69161 states. [2021-11-05 17:35:42,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69161 to 68471. [2021-11-05 17:35:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68471 states, 68416 states have (on average 1.4095679373246024) internal successors, (96437), 68470 states have internal predecessors, (96437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68471 states to 68471 states and 96437 transitions. [2021-11-05 17:35:43,036 INFO L78 Accepts]: Start accepts. Automaton has 68471 states and 96437 transitions. Word has length 91 [2021-11-05 17:35:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:43,036 INFO L470 AbstractCegarLoop]: Abstraction has 68471 states and 96437 transitions. [2021-11-05 17:35:43,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 68471 states and 96437 transitions. [2021-11-05 17:35:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-05 17:35:43,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:43,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:43,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 17:35:43,038 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:43,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:43,038 INFO L85 PathProgramCache]: Analyzing trace with hash -403148824, now seen corresponding path program 1 times [2021-11-05 17:35:43,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:43,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856647356] [2021-11-05 17:35:43,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:43,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:43,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:43,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856647356] [2021-11-05 17:35:43,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856647356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:43,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:43,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 17:35:43,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634194927] [2021-11-05 17:35:43,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:43,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:43,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:43,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:43,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:43,319 INFO L87 Difference]: Start difference. First operand 68471 states and 96437 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:44,327 INFO L93 Difference]: Finished difference Result 68471 states and 96437 transitions. [2021-11-05 17:35:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:44,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-11-05 17:35:44,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:44,465 INFO L225 Difference]: With dead ends: 68471 [2021-11-05 17:35:44,465 INFO L226 Difference]: Without dead ends: 68464 [2021-11-05 17:35:44,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:44,491 INFO L933 BasicCegarLoop]: 2678 mSDtfsCounter, 2588 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:44,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2588 Valid, 2678 Invalid, 0 Unknown, 0 Unchecked, 3.28ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 17:35:44,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68464 states. [2021-11-05 17:35:45,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68464 to 68464. [2021-11-05 17:35:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68464 states, 68410 states have (on average 1.4088729717877504) internal successors, (96381), 68463 states have internal predecessors, (96381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68464 states to 68464 states and 96381 transitions. [2021-11-05 17:35:45,827 INFO L78 Accepts]: Start accepts. Automaton has 68464 states and 96381 transitions. Word has length 92 [2021-11-05 17:35:45,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:45,827 INFO L470 AbstractCegarLoop]: Abstraction has 68464 states and 96381 transitions. [2021-11-05 17:35:45,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 68464 states and 96381 transitions. [2021-11-05 17:35:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-05 17:35:45,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:45,828 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:45,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 17:35:45,829 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:45,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:45,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1521197964, now seen corresponding path program 1 times [2021-11-05 17:35:45,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:45,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71814946] [2021-11-05 17:35:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:45,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:46,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:46,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71814946] [2021-11-05 17:35:46,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71814946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:46,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:46,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:46,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133833690] [2021-11-05 17:35:46,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:46,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:46,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:46,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:46,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:46,275 INFO L87 Difference]: Start difference. First operand 68464 states and 96381 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:48,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:35:49,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:49,280 INFO L93 Difference]: Finished difference Result 103023 states and 145002 transitions. [2021-11-05 17:35:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:49,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2021-11-05 17:35:49,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:49,335 INFO L225 Difference]: With dead ends: 103023 [2021-11-05 17:35:49,335 INFO L226 Difference]: Without dead ends: 34609 [2021-11-05 17:35:49,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:49,398 INFO L933 BasicCegarLoop]: 2679 mSDtfsCounter, 4 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2116.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5350 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.55ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2184.14ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:49,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 5350 Invalid, 6 Unknown, 0 Unchecked, 3.55ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2184.14ms Time] [2021-11-05 17:35:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34609 states. [2021-11-05 17:35:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34609 to 34230. [2021-11-05 17:35:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34230 states, 34176 states have (on average 1.4110779494382022) internal successors, (48225), 34229 states have internal predecessors, (48225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34230 states to 34230 states and 48225 transitions. [2021-11-05 17:35:50,095 INFO L78 Accepts]: Start accepts. Automaton has 34230 states and 48225 transitions. Word has length 119 [2021-11-05 17:35:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:50,095 INFO L470 AbstractCegarLoop]: Abstraction has 34230 states and 48225 transitions. [2021-11-05 17:35:50,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 34230 states and 48225 transitions. [2021-11-05 17:35:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-05 17:35:50,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:50,098 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:50,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 17:35:50,098 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:50,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:50,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1414696755, now seen corresponding path program 1 times [2021-11-05 17:35:50,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:50,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027327853] [2021-11-05 17:35:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:50,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 17:35:50,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:50,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027327853] [2021-11-05 17:35:50,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027327853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:50,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:50,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:50,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477077752] [2021-11-05 17:35:50,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:50,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:50,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:50,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:50,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:50,574 INFO L87 Difference]: Start difference. First operand 34230 states and 48225 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:52,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:35:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:53,977 INFO L93 Difference]: Finished difference Result 68313 states and 96309 transitions. [2021-11-05 17:35:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:53,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 137 [2021-11-05 17:35:53,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:54,034 INFO L225 Difference]: With dead ends: 68313 [2021-11-05 17:35:54,035 INFO L226 Difference]: Without dead ends: 34178 [2021-11-05 17:35:54,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:54,067 INFO L933 BasicCegarLoop]: 3055 mSDtfsCounter, 2140 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 69 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2692.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.96ms SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2788.72ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:54,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 3930 Invalid, 174 Unknown, 0 Unchecked, 4.96ms Time], IncrementalHoareTripleChecker [69 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 2788.72ms Time] [2021-11-05 17:35:54,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34178 states. [2021-11-05 17:35:54,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34178 to 33587. [2021-11-05 17:35:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33587 states, 33562 states have (on average 1.395774983612419) internal successors, (46845), 33586 states have internal predecessors, (46845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33587 states to 33587 states and 46845 transitions. [2021-11-05 17:35:54,830 INFO L78 Accepts]: Start accepts. Automaton has 33587 states and 46845 transitions. Word has length 137 [2021-11-05 17:35:54,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:54,830 INFO L470 AbstractCegarLoop]: Abstraction has 33587 states and 46845 transitions. [2021-11-05 17:35:54,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 33587 states and 46845 transitions. [2021-11-05 17:35:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-05 17:35:54,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:54,834 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:54,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 17:35:54,835 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:54,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1109745819, now seen corresponding path program 1 times [2021-11-05 17:35:54,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:54,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117024492] [2021-11-05 17:35:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:54,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-05 17:35:55,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:55,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117024492] [2021-11-05 17:35:55,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117024492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:55,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:55,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:35:55,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281841031] [2021-11-05 17:35:55,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:55,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:35:55,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:55,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:35:55,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:55,088 INFO L87 Difference]: Start difference. First operand 33587 states and 46845 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:57,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:35:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:35:57,771 INFO L93 Difference]: Finished difference Result 33587 states and 46845 transitions. [2021-11-05 17:35:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:35:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 143 [2021-11-05 17:35:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:35:57,826 INFO L225 Difference]: With dead ends: 33587 [2021-11-05 17:35:57,827 INFO L226 Difference]: Without dead ends: 33575 [2021-11-05 17:35:57,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:35:57,840 INFO L933 BasicCegarLoop]: 2601 mSDtfsCounter, 737 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2188.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 4445 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.85ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2255.36ms IncrementalHoareTripleChecker+Time [2021-11-05 17:35:57,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 4445 Invalid, 28 Unknown, 0 Unchecked, 2.85ms Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2255.36ms Time] [2021-11-05 17:35:57,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33575 states. [2021-11-05 17:35:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33575 to 33575. [2021-11-05 17:35:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33575 states, 33556 states have (on average 1.3915544164977947) internal successors, (46695), 33574 states have internal predecessors, (46695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33575 states to 33575 states and 46695 transitions. [2021-11-05 17:35:58,558 INFO L78 Accepts]: Start accepts. Automaton has 33575 states and 46695 transitions. Word has length 143 [2021-11-05 17:35:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:35:58,558 INFO L470 AbstractCegarLoop]: Abstraction has 33575 states and 46695 transitions. [2021-11-05 17:35:58,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:35:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 33575 states and 46695 transitions. [2021-11-05 17:35:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-05 17:35:58,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:35:58,579 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:35:58,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 17:35:58,579 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:35:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:35:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1177498094, now seen corresponding path program 1 times [2021-11-05 17:35:58,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:35:58,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687647022] [2021-11-05 17:35:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:35:58,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:35:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:35:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:35:59,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:35:59,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687647022] [2021-11-05 17:35:59,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687647022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:35:59,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:35:59,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 17:35:59,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811023241] [2021-11-05 17:35:59,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:35:59,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 17:35:59,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:35:59,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 17:35:59,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:35:59,213 INFO L87 Difference]: Start difference. First operand 33575 states and 46695 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:01,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:36:02,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:02,211 INFO L93 Difference]: Finished difference Result 67066 states and 93286 transitions. [2021-11-05 17:36:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:36:02,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2021-11-05 17:36:02,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:02,272 INFO L225 Difference]: With dead ends: 67066 [2021-11-05 17:36:02,272 INFO L226 Difference]: Without dead ends: 33583 [2021-11-05 17:36:02,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 203.84ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 17:36:02,310 INFO L933 BasicCegarLoop]: 2606 mSDtfsCounter, 18 mSDsluCounter, 7806 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2189.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10412 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2244.40ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:02,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 10412 Invalid, 18 Unknown, 0 Unchecked, 12.03ms Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2244.40ms Time] [2021-11-05 17:36:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33583 states. [2021-11-05 17:36:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33583 to 33578. [2021-11-05 17:36:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33578 states, 33559 states have (on average 1.3914896153043892) internal successors, (46697), 33577 states have internal predecessors, (46697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33578 states to 33578 states and 46697 transitions. [2021-11-05 17:36:03,001 INFO L78 Accepts]: Start accepts. Automaton has 33578 states and 46697 transitions. Word has length 160 [2021-11-05 17:36:03,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:36:03,001 INFO L470 AbstractCegarLoop]: Abstraction has 33578 states and 46697 transitions. [2021-11-05 17:36:03,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 33578 states and 46697 transitions. [2021-11-05 17:36:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-05 17:36:03,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:36:03,019 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:36:03,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-05 17:36:03,019 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:36:03,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:36:03,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1150432492, now seen corresponding path program 1 times [2021-11-05 17:36:03,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:36:03,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739827960] [2021-11-05 17:36:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:03,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:36:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 17:36:03,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:36:03,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739827960] [2021-11-05 17:36:03,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739827960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:36:03,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:36:03,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 17:36:03,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621245409] [2021-11-05 17:36:03,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:36:03,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 17:36:03,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:36:03,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 17:36:03,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 17:36:03,710 INFO L87 Difference]: Start difference. First operand 33578 states and 46697 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:05,770 INFO L93 Difference]: Finished difference Result 123557 states and 172065 transitions. [2021-11-05 17:36:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:36:05,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 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 160 [2021-11-05 17:36:05,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:05,960 INFO L225 Difference]: With dead ends: 123557 [2021-11-05 17:36:05,960 INFO L226 Difference]: Without dead ends: 90074 [2021-11-05 17:36:06,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 168.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:36:06,004 INFO L933 BasicCegarLoop]: 5005 mSDtfsCounter, 6578 mSDsluCounter, 6708 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 366.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6578 SdHoareTripleChecker+Valid, 11713 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.06ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 386.43ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:06,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6578 Valid, 11713 Invalid, 29 Unknown, 0 Unchecked, 19.06ms Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 386.43ms Time] [2021-11-05 17:36:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90074 states. [2021-11-05 17:36:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90074 to 33610. [2021-11-05 17:36:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33610 states, 33591 states have (on average 1.3906403500937752) internal successors, (46713), 33609 states have internal predecessors, (46713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33610 states to 33610 states and 46713 transitions. [2021-11-05 17:36:07,320 INFO L78 Accepts]: Start accepts. Automaton has 33610 states and 46713 transitions. Word has length 160 [2021-11-05 17:36:07,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:36:07,320 INFO L470 AbstractCegarLoop]: Abstraction has 33610 states and 46713 transitions. [2021-11-05 17:36:07,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 33610 states and 46713 transitions. [2021-11-05 17:36:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-05 17:36:07,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:36:07,337 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:36:07,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-05 17:36:07,337 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:36:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:36:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1407692294, now seen corresponding path program 1 times [2021-11-05 17:36:07,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:36:07,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590886245] [2021-11-05 17:36:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:36:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 17:36:07,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:36:07,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590886245] [2021-11-05 17:36:07,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590886245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:36:07,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:36:07,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:36:07,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611019601] [2021-11-05 17:36:07,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:36:07,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:36:07,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:36:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:36:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:36:07,636 INFO L87 Difference]: Start difference. First operand 33610 states and 46713 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:09,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:09,069 INFO L93 Difference]: Finished difference Result 93472 states and 130175 transitions. [2021-11-05 17:36:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:36:09,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 162 [2021-11-05 17:36:09,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:09,181 INFO L225 Difference]: With dead ends: 93472 [2021-11-05 17:36:09,181 INFO L226 Difference]: Without dead ends: 59957 [2021-11-05 17:36:09,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:36:09,220 INFO L933 BasicCegarLoop]: 4597 mSDtfsCounter, 2366 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2366 SdHoareTripleChecker+Valid, 6815 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.18ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.01ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:09,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2366 Valid, 6815 Invalid, 7 Unknown, 0 Unchecked, 6.18ms Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 88.01ms Time] [2021-11-05 17:36:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59957 states. [2021-11-05 17:36:10,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59957 to 33642. [2021-11-05 17:36:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33642 states, 33623 states have (on average 1.3902388246141035) internal successors, (46744), 33641 states have internal predecessors, (46744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33642 states to 33642 states and 46744 transitions. [2021-11-05 17:36:10,408 INFO L78 Accepts]: Start accepts. Automaton has 33642 states and 46744 transitions. Word has length 162 [2021-11-05 17:36:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:36:10,409 INFO L470 AbstractCegarLoop]: Abstraction has 33642 states and 46744 transitions. [2021-11-05 17:36:10,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 33642 states and 46744 transitions. [2021-11-05 17:36:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-05 17:36:10,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:36:10,426 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:36:10,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-05 17:36:10,426 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:36:10,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:36:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1976958466, now seen corresponding path program 1 times [2021-11-05 17:36:10,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:36:10,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968938662] [2021-11-05 17:36:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:10,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:36:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 17:36:11,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:36:11,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968938662] [2021-11-05 17:36:11,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968938662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:36:11,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:36:11,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 17:36:11,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541377667] [2021-11-05 17:36:11,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:36:11,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 17:36:11,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:36:11,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 17:36:11,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 17:36:11,013 INFO L87 Difference]: Start difference. First operand 33642 states and 46744 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:13,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:13,643 INFO L93 Difference]: Finished difference Result 120836 states and 168079 transitions. [2021-11-05 17:36:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:36:13,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 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 166 [2021-11-05 17:36:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:13,790 INFO L225 Difference]: With dead ends: 120836 [2021-11-05 17:36:13,790 INFO L226 Difference]: Without dead ends: 87289 [2021-11-05 17:36:13,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 161.15ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:36:13,839 INFO L933 BasicCegarLoop]: 4777 mSDtfsCounter, 6344 mSDsluCounter, 6702 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 350.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6344 SdHoareTripleChecker+Valid, 11479 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.61ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 374.02ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:13,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6344 Valid, 11479 Invalid, 29 Unknown, 0 Unchecked, 14.61ms Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 374.02ms Time] [2021-11-05 17:36:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87289 states. [2021-11-05 17:36:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87289 to 33651. [2021-11-05 17:36:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33651 states, 33633 states have (on average 1.3894092111913894) internal successors, (46730), 33650 states have internal predecessors, (46730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33651 states to 33651 states and 46730 transitions. [2021-11-05 17:36:15,275 INFO L78 Accepts]: Start accepts. Automaton has 33651 states and 46730 transitions. Word has length 166 [2021-11-05 17:36:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:36:15,275 INFO L470 AbstractCegarLoop]: Abstraction has 33651 states and 46730 transitions. [2021-11-05 17:36:15,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 33651 states and 46730 transitions. [2021-11-05 17:36:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-05 17:36:15,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:36:15,315 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:36:15,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-05 17:36:15,316 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:36:15,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:36:15,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1270170989, now seen corresponding path program 1 times [2021-11-05 17:36:15,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:36:15,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274332324] [2021-11-05 17:36:15,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:15,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:36:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:36:15,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:36:15,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274332324] [2021-11-05 17:36:15,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274332324] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 17:36:15,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549734701] [2021-11-05 17:36:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:15,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 17:36:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 17:36:15,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 17:36:15,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 17:36:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:17,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 5572 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 17:36:17,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 17:36:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 17:36:17,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 17:36:17,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549734701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:36:17,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 17:36:17,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-05 17:36:17,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755936592] [2021-11-05 17:36:17,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:36:17,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:36:17,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:36:17,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:36:17,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:36:17,851 INFO L87 Difference]: Start difference. First operand 33651 states and 46730 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:20,036 INFO L93 Difference]: Finished difference Result 99240 states and 137910 transitions. [2021-11-05 17:36:20,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:36:20,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 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 202 [2021-11-05 17:36:20,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:20,151 INFO L225 Difference]: With dead ends: 99240 [2021-11-05 17:36:20,151 INFO L226 Difference]: Without dead ends: 65684 [2021-11-05 17:36:20,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 89.81ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:36:20,183 INFO L933 BasicCegarLoop]: 5012 mSDtfsCounter, 2413 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 7612 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.67ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:20,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2413 Valid, 7612 Invalid, 6 Unknown, 0 Unchecked, 6.92ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 35.67ms Time] [2021-11-05 17:36:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65684 states. [2021-11-05 17:36:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65684 to 33667. [2021-11-05 17:36:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33667 states, 33649 states have (on average 1.3892240482629499) internal successors, (46746), 33666 states have internal predecessors, (46746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33667 states to 33667 states and 46746 transitions. [2021-11-05 17:36:21,523 INFO L78 Accepts]: Start accepts. Automaton has 33667 states and 46746 transitions. Word has length 202 [2021-11-05 17:36:21,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:36:21,523 INFO L470 AbstractCegarLoop]: Abstraction has 33667 states and 46746 transitions. [2021-11-05 17:36:21,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 33667 states and 46746 transitions. [2021-11-05 17:36:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-05 17:36:21,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:36:21,557 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:36:21,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 17:36:21,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-05 17:36:21,784 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:36:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:36:21,784 INFO L85 PathProgramCache]: Analyzing trace with hash -760697899, now seen corresponding path program 1 times [2021-11-05 17:36:21,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:36:21,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611575548] [2021-11-05 17:36:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:21,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:36:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 17:36:22,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:36:22,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611575548] [2021-11-05 17:36:22,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611575548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:36:22,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:36:22,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 17:36:22,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874367430] [2021-11-05 17:36:22,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:36:22,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 17:36:22,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:36:22,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 17:36:22,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:36:22,474 INFO L87 Difference]: Start difference. First operand 33667 states and 46746 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:24,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:36:26,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:26,855 INFO L93 Difference]: Finished difference Result 96042 states and 133363 transitions. [2021-11-05 17:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 17:36:26,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 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 202 [2021-11-05 17:36:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:26,971 INFO L225 Difference]: With dead ends: 96042 [2021-11-05 17:36:26,971 INFO L226 Difference]: Without dead ends: 62470 [2021-11-05 17:36:27,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 248.86ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 17:36:27,010 INFO L933 BasicCegarLoop]: 5087 mSDtfsCounter, 6181 mSDsluCounter, 9071 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2201.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6181 SdHoareTripleChecker+Valid, 14158 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.41ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2258.73ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:27,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6181 Valid, 14158 Invalid, 20 Unknown, 0 Unchecked, 11.41ms Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2258.73ms Time] [2021-11-05 17:36:27,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62470 states. [2021-11-05 17:36:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62470 to 33699. [2021-11-05 17:36:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33699 states, 33681 states have (on average 1.3883792048929664) internal successors, (46762), 33698 states have internal predecessors, (46762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33699 states to 33699 states and 46762 transitions. [2021-11-05 17:36:28,648 INFO L78 Accepts]: Start accepts. Automaton has 33699 states and 46762 transitions. Word has length 202 [2021-11-05 17:36:28,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:36:28,649 INFO L470 AbstractCegarLoop]: Abstraction has 33699 states and 46762 transitions. [2021-11-05 17:36:28,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 33699 states and 46762 transitions. [2021-11-05 17:36:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-05 17:36:28,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:36:28,683 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:36:28,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-05 17:36:28,684 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2021-11-05 17:36:28,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:36:28,684 INFO L85 PathProgramCache]: Analyzing trace with hash -80639529, now seen corresponding path program 1 times [2021-11-05 17:36:28,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:36:28,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792172356] [2021-11-05 17:36:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:36:28,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:36:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:36:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 17:36:29,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:36:29,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792172356] [2021-11-05 17:36:29,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792172356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:36:29,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:36:29,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 17:36:29,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599114074] [2021-11-05 17:36:29,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:36:29,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 17:36:29,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:36:29,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 17:36:29,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:36:29,332 INFO L87 Difference]: Start difference. First operand 33699 states and 46762 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:36:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:36:42,239 INFO L93 Difference]: Finished difference Result 281294 states and 391968 transitions. [2021-11-05 17:36:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 17:36:42,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 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 202 [2021-11-05 17:36:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:36:42,932 INFO L225 Difference]: With dead ends: 281294 [2021-11-05 17:36:42,933 INFO L226 Difference]: Without dead ends: 247690 [2021-11-05 17:36:43,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 430.48ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-05 17:36:43,026 INFO L933 BasicCegarLoop]: 5987 mSDtfsCounter, 19373 mSDsluCounter, 17027 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2509.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19373 SdHoareTripleChecker+Valid, 23014 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.85ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2774.74ms IncrementalHoareTripleChecker+Time [2021-11-05 17:36:43,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19373 Valid, 23014 Invalid, 469 Unknown, 0 Unchecked, 38.85ms Time], IncrementalHoareTripleChecker [39 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 2774.74ms Time] [2021-11-05 17:36:43,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247690 states.