./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.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 b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 02:50:50,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 02:50:50,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 02:50:50,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 02:50:50,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 02:50:50,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 02:50:50,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 02:50:50,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 02:50:50,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 02:50:50,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 02:50:50,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 02:50:50,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 02:50:50,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 02:50:50,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 02:50:50,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 02:50:50,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 02:50:50,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 02:50:50,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 02:50:50,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 02:50:50,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 02:50:50,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 02:50:50,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 02:50:50,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 02:50:50,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 02:50:50,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 02:50:50,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 02:50:50,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 02:50:50,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 02:50:50,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 02:50:50,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 02:50:50,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 02:50:50,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 02:50:50,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 02:50:50,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 02:50:50,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 02:50:50,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 02:50:50,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 02:50:50,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 02:50:50,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 02:50:50,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 02:50:50,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 02:50:50,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 02:50:50,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 02:50:50,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 02:50:50,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 02:50:50,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 02:50:50,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 02:50:50,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 02:50:50,133 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 02:50:50,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 02:50:50,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 02:50:50,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 02:50:50,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 02:50:50,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 02:50:50,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 02:50:50,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 02:50:50,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 02:50:50,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 02:50:50,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 02:50:50,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 02:50:50,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 02:50:50,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 02:50:50,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 02:50:50,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 02:50:50,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 02:50:50,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 02:50:50,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 02:50:50,136 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 02:50:50,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 02:50:50,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 02:50:50,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 02:50:50,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df [2021-11-04 02:50:50,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 02:50:50,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 02:50:50,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 02:50:50,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 02:50:50,357 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 02:50:50,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-11-04 02:50:50,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a409c027d/8256a6f1e7dd41659aab771647b72a60/FLAG9b239819f [2021-11-04 02:50:51,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 02:50:51,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-11-04 02:50:51,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a409c027d/8256a6f1e7dd41659aab771647b72a60/FLAG9b239819f [2021-11-04 02:50:51,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a409c027d/8256a6f1e7dd41659aab771647b72a60 [2021-11-04 02:50:51,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 02:50:51,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 02:50:51,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 02:50:51,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 02:50:51,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 02:50:51,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:50:51" (1/1) ... [2021-11-04 02:50:51,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a41f28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:51, skipping insertion in model container [2021-11-04 02:50:51,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:50:51" (1/1) ... [2021-11-04 02:50:51,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 02:50:51,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 02:50:52,040 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-11-04 02:50:52,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 02:50:52,135 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 02:50:52,272 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-11-04 02:50:52,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 02:50:52,372 INFO L208 MainTranslator]: Completed translation [2021-11-04 02:50:52,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52 WrapperNode [2021-11-04 02:50:52,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 02:50:52,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 02:50:52,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 02:50:52,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 02:50:52,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:52,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:52,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 02:50:52,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 02:50:52,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 02:50:52,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 02:50:52,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:52,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:52,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:52,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:53,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:53,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:53,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:53,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 02:50:53,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 02:50:53,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 02:50:53,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 02:50:53,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (1/1) ... [2021-11-04 02:50:53,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 02:50:53,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 02:50:53,368 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) [2021-11-04 02:50:53,376 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 [2021-11-04 02:50:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 02:50:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 02:50:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 02:50:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 02:50:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 02:50:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 02:50:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 02:50:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 02:50:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 02:50:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 02:50:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 02:50:58,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 02:50:58,506 INFO L299 CfgBuilder]: Removed 2924 assume(true) statements. [2021-11-04 02:50:58,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:50:58 BoogieIcfgContainer [2021-11-04 02:50:58,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 02:50:58,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 02:50:58,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 02:50:58,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 02:50:58,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:50:51" (1/3) ... [2021-11-04 02:50:58,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de5eb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:50:58, skipping insertion in model container [2021-11-04 02:50:58,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:52" (2/3) ... [2021-11-04 02:50:58,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de5eb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:50:58, skipping insertion in model container [2021-11-04 02:50:58,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:50:58" (3/3) ... [2021-11-04 02:50:58,519 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-11-04 02:50:58,523 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 02:50:58,523 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 112 error locations. [2021-11-04 02:50:58,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 02:50:58,578 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 [2021-11-04 02:50:58,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2021-11-04 02:50:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 3223 states, 3110 states have (on average 1.405144694533762) internal successors, (4370), 3222 states have internal predecessors, (4370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:50:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-04 02:50:58,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:50:58,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:50:58,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:50:58,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:50:58,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1794240842, now seen corresponding path program 1 times [2021-11-04 02:50:58,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:50:58,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905423136] [2021-11-04 02:50:58,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:50:58,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:50:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:50:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:50:59,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:50:59,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905423136] [2021-11-04 02:50:59,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905423136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:50:59,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:50:59,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:50:59,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445373765] [2021-11-04 02:50:59,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:50:59,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:50:59,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:50:59,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:50:59,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:50:59,097 INFO L87 Difference]: Start difference. First operand has 3223 states, 3110 states have (on average 1.405144694533762) internal successors, (4370), 3222 states have internal predecessors, (4370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:01,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:51:19,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:51:19,336 INFO L93 Difference]: Finished difference Result 9604 states and 13027 transitions. [2021-11-04 02:51:19,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:51:19,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-04 02:51:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:51:19,378 INFO L225 Difference]: With dead ends: 9604 [2021-11-04 02:51:19,379 INFO L226 Difference]: Without dead ends: 6376 [2021-11-04 02:51:19,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:51:19,392 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4124 mSDsluCounter, 4198 mSDsCounter, 0 mSdLazyCounter, 8410 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17460.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.96ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19461.51ms IncrementalHoareTripleChecker+Time [2021-11-04 02:51:19,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4124 Valid, 0 Invalid, 8412 Unknown, 0 Unchecked, 53.96ms Time], IncrementalHoareTripleChecker [1 Valid, 8410 Invalid, 1 Unknown, 0 Unchecked, 19461.51ms Time] [2021-11-04 02:51:19,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2021-11-04 02:51:19,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 6151. [2021-11-04 02:51:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6151 states, 6039 states have (on average 1.3591654247391953) internal successors, (8208), 6150 states have internal predecessors, (8208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8208 transitions. [2021-11-04 02:51:19,579 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8208 transitions. Word has length 15 [2021-11-04 02:51:19,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:51:19,580 INFO L470 AbstractCegarLoop]: Abstraction has 6151 states and 8208 transitions. [2021-11-04 02:51:19,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8208 transitions. [2021-11-04 02:51:19,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-04 02:51:19,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:51:19,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:51:19,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 02:51:19,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:51:19,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:51:19,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1247788700, now seen corresponding path program 1 times [2021-11-04 02:51:19,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:51:19,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453027178] [2021-11-04 02:51:19,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:51:19,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:51:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:51:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:51:19,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:51:19,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453027178] [2021-11-04 02:51:19,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453027178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:51:19,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:51:19,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:51:19,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142305014] [2021-11-04 02:51:19,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:51:19,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:51:19,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:51:19,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:51:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:51:19,787 INFO L87 Difference]: Start difference. First operand 6151 states and 8208 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:21,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:51:38,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:51:38,408 INFO L93 Difference]: Finished difference Result 18331 states and 24468 transitions. [2021-11-04 02:51:38,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:51:38,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-04 02:51:38,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:51:38,447 INFO L225 Difference]: With dead ends: 18331 [2021-11-04 02:51:38,448 INFO L226 Difference]: Without dead ends: 12183 [2021-11-04 02:51:38,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:51:38,461 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4117 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 8477 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16153.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4117 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.21ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18091.19ms IncrementalHoareTripleChecker+Time [2021-11-04 02:51:38,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4117 Valid, 0 Invalid, 8479 Unknown, 0 Unchecked, 24.21ms Time], IncrementalHoareTripleChecker [1 Valid, 8477 Invalid, 1 Unknown, 0 Unchecked, 18091.19ms Time] [2021-11-04 02:51:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12183 states. [2021-11-04 02:51:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12183 to 11958. [2021-11-04 02:51:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11958 states, 11846 states have (on average 1.3627384771230795) internal successors, (16143), 11957 states have internal predecessors, (16143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11958 states to 11958 states and 16143 transitions. [2021-11-04 02:51:38,699 INFO L78 Accepts]: Start accepts. Automaton has 11958 states and 16143 transitions. Word has length 16 [2021-11-04 02:51:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:51:38,700 INFO L470 AbstractCegarLoop]: Abstraction has 11958 states and 16143 transitions. [2021-11-04 02:51:38,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 11958 states and 16143 transitions. [2021-11-04 02:51:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-04 02:51:38,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:51:38,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:51:38,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 02:51:38,705 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:51:38,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:51:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash -348717799, now seen corresponding path program 1 times [2021-11-04 02:51:38,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:51:38,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317587259] [2021-11-04 02:51:38,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:51:38,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:51:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:51:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:51:38,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:51:38,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317587259] [2021-11-04 02:51:38,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317587259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:51:38,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:51:38,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:51:38,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656168418] [2021-11-04 02:51:38,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:51:38,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:51:38,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:51:38,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:51:38,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:51:38,885 INFO L87 Difference]: Start difference. First operand 11958 states and 16143 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:51:40,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:52:02,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:52:02,470 INFO L93 Difference]: Finished difference Result 35644 states and 48133 transitions. [2021-11-04 02:52:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:52:02,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-04 02:52:02,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:52:02,551 INFO L225 Difference]: With dead ends: 35644 [2021-11-04 02:52:02,551 INFO L226 Difference]: Without dead ends: 23689 [2021-11-04 02:52:02,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:52:02,578 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4118 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 8554 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20472.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4118 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.74ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8554 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22824.98ms IncrementalHoareTripleChecker+Time [2021-11-04 02:52:02,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4118 Valid, 0 Invalid, 8556 Unknown, 0 Unchecked, 31.74ms Time], IncrementalHoareTripleChecker [1 Valid, 8554 Invalid, 1 Unknown, 0 Unchecked, 22824.98ms Time] [2021-11-04 02:52:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23689 states. [2021-11-04 02:52:02,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23689 to 23464. [2021-11-04 02:52:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23464 states, 23352 states have (on average 1.3648081534772183) internal successors, (31871), 23463 states have internal predecessors, (31871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:52:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23464 states to 23464 states and 31871 transitions. [2021-11-04 02:52:03,040 INFO L78 Accepts]: Start accepts. Automaton has 23464 states and 31871 transitions. Word has length 17 [2021-11-04 02:52:03,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:52:03,040 INFO L470 AbstractCegarLoop]: Abstraction has 23464 states and 31871 transitions. [2021-11-04 02:52:03,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:52:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 23464 states and 31871 transitions. [2021-11-04 02:52:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-04 02:52:03,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:52:03,042 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:52:03,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 02:52:03,042 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:52:03,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:52:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1185636838, now seen corresponding path program 1 times [2021-11-04 02:52:03,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:52:03,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793675815] [2021-11-04 02:52:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:52:03,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:52:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:52:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:52:03,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:52:03,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793675815] [2021-11-04 02:52:03,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793675815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:52:03,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:52:03,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:52:03,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169098237] [2021-11-04 02:52:03,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:52:03,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:52:03,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:52:03,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:52:03,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:52:03,315 INFO L87 Difference]: Start difference. First operand 23464 states and 31871 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:52:05,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:52:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:52:31,731 INFO L93 Difference]: Finished difference Result 69846 states and 94861 transitions. [2021-11-04 02:52:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:52:31,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-11-04 02:52:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:52:31,858 INFO L225 Difference]: With dead ends: 69846 [2021-11-04 02:52:31,858 INFO L226 Difference]: Without dead ends: 46385 [2021-11-04 02:52:31,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:52:31,910 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4096 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 8629 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24329.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4096 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.96ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8629 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27294.95ms IncrementalHoareTripleChecker+Time [2021-11-04 02:52:31,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4096 Valid, 0 Invalid, 8631 Unknown, 0 Unchecked, 42.96ms Time], IncrementalHoareTripleChecker [1 Valid, 8629 Invalid, 1 Unknown, 0 Unchecked, 27294.95ms Time] [2021-11-04 02:52:31,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46385 states. [2021-11-04 02:52:32,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46385 to 46160. [2021-11-04 02:52:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46160 states, 46048 states have (on average 1.3652493050729673) internal successors, (62867), 46159 states have internal predecessors, (62867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:52:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46160 states to 46160 states and 62867 transitions. [2021-11-04 02:52:32,732 INFO L78 Accepts]: Start accepts. Automaton has 46160 states and 62867 transitions. Word has length 18 [2021-11-04 02:52:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:52:32,732 INFO L470 AbstractCegarLoop]: Abstraction has 46160 states and 62867 transitions. [2021-11-04 02:52:32,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:52:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 46160 states and 62867 transitions. [2021-11-04 02:52:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-04 02:52:32,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:52:32,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:52:32,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 02:52:32,734 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:52:32,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:52:32,734 INFO L85 PathProgramCache]: Analyzing trace with hash -563917397, now seen corresponding path program 1 times [2021-11-04 02:52:32,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:52:32,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136616831] [2021-11-04 02:52:32,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:52:32,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:52:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:52:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:52:33,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:52:33,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136616831] [2021-11-04 02:52:33,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136616831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:52:33,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:52:33,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:52:33,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124509928] [2021-11-04 02:52:33,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:52:33,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:52:33,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:52:33,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:52:33,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:52:33,048 INFO L87 Difference]: Start difference. First operand 46160 states and 62867 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:52:35,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:53:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:53:02,376 INFO L93 Difference]: Finished difference Result 137574 states and 187409 transitions. [2021-11-04 02:53:02,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:53:02,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-04 02:53:02,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:53:02,593 INFO L225 Difference]: With dead ends: 137574 [2021-11-04 02:53:02,593 INFO L226 Difference]: Without dead ends: 91417 [2021-11-04 02:53:02,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:53:02,666 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4114 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 8725 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24528.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4114 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.00ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27748.47ms IncrementalHoareTripleChecker+Time [2021-11-04 02:53:02,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4114 Valid, 0 Invalid, 8727 Unknown, 0 Unchecked, 40.00ms Time], IncrementalHoareTripleChecker [1 Valid, 8725 Invalid, 1 Unknown, 0 Unchecked, 27748.47ms Time] [2021-11-04 02:53:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91417 states. [2021-11-04 02:53:04,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91417 to 91192. [2021-11-04 02:53:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91192 states, 91080 states have (on average 1.3659530083443128) internal successors, (124411), 91191 states have internal predecessors, (124411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:53:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91192 states to 91192 states and 124411 transitions. [2021-11-04 02:53:04,564 INFO L78 Accepts]: Start accepts. Automaton has 91192 states and 124411 transitions. Word has length 19 [2021-11-04 02:53:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:53:04,564 INFO L470 AbstractCegarLoop]: Abstraction has 91192 states and 124411 transitions. [2021-11-04 02:53:04,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:53:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 91192 states and 124411 transitions. [2021-11-04 02:53:04,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-04 02:53:04,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:53:04,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:53:04,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 02:53:04,566 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:53:04,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:53:04,566 INFO L85 PathProgramCache]: Analyzing trace with hash -677031331, now seen corresponding path program 1 times [2021-11-04 02:53:04,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:53:04,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253664340] [2021-11-04 02:53:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:53:04,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:53:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:53:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:53:04,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:53:04,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253664340] [2021-11-04 02:53:04,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253664340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:53:04,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:53:04,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:53:04,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677530829] [2021-11-04 02:53:04,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:53:04,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:53:04,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:53:04,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:53:04,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:53:04,738 INFO L87 Difference]: Start difference. First operand 91192 states and 124411 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:53:06,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:53:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:53:38,281 INFO L93 Difference]: Finished difference Result 268086 states and 365637 transitions. [2021-11-04 02:53:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:53:38,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-04 02:53:38,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:53:38,824 INFO L225 Difference]: With dead ends: 268086 [2021-11-04 02:53:38,824 INFO L226 Difference]: Without dead ends: 176897 [2021-11-04 02:53:39,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.95ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:53:39,106 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3946 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 8802 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26777.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.36ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8802 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30536.31ms IncrementalHoareTripleChecker+Time [2021-11-04 02:53:39,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3946 Valid, 0 Invalid, 8804 Unknown, 0 Unchecked, 43.36ms Time], IncrementalHoareTripleChecker [1 Valid, 8802 Invalid, 1 Unknown, 0 Unchecked, 30536.31ms Time] [2021-11-04 02:53:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176897 states. [2021-11-04 02:53:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176897 to 176680. [2021-11-04 02:53:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176680 states, 176568 states have (on average 1.3653833084137557) internal successors, (241083), 176679 states have internal predecessors, (241083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:53:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176680 states to 176680 states and 241083 transitions. [2021-11-04 02:53:43,265 INFO L78 Accepts]: Start accepts. Automaton has 176680 states and 241083 transitions. Word has length 20 [2021-11-04 02:53:43,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:53:43,265 INFO L470 AbstractCegarLoop]: Abstraction has 176680 states and 241083 transitions. [2021-11-04 02:53:43,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:53:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 176680 states and 241083 transitions. [2021-11-04 02:53:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-04 02:53:43,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:53:43,266 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] [2021-11-04 02:53:43,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 02:53:43,267 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:53:43,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:53:43,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1299924542, now seen corresponding path program 1 times [2021-11-04 02:53:43,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:53:43,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405556302] [2021-11-04 02:53:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:53:43,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:53:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:53:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:53:43,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:53:43,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405556302] [2021-11-04 02:53:43,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405556302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:53:43,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:53:43,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:53:43,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179631495] [2021-11-04 02:53:43,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:53:43,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:53:43,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:53:43,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:53:43,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:53:43,419 INFO L87 Difference]: Start difference. First operand 176680 states and 241083 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:53:45,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:54:20,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:54:20,232 INFO L93 Difference]: Finished difference Result 519078 states and 708069 transitions. [2021-11-04 02:54:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:54:20,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2021-11-04 02:54:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:54:21,169 INFO L225 Difference]: With dead ends: 519078 [2021-11-04 02:54:21,170 INFO L226 Difference]: Without dead ends: 342401 [2021-11-04 02:54:21,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:54:21,604 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3945 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 9046 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27078.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3945 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.70ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9046 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31028.70ms IncrementalHoareTripleChecker+Time [2021-11-04 02:54:21,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3945 Valid, 0 Invalid, 9048 Unknown, 0 Unchecked, 45.70ms Time], IncrementalHoareTripleChecker [1 Valid, 9046 Invalid, 1 Unknown, 0 Unchecked, 31028.70ms Time] [2021-11-04 02:54:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342401 states. [2021-11-04 02:54:28,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342401 to 342184. [2021-11-04 02:54:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342184 states, 342072 states have (on average 1.3646571482027177) internal successors, (466811), 342183 states have internal predecessors, (466811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:54:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342184 states to 342184 states and 466811 transitions. [2021-11-04 02:54:30,238 INFO L78 Accepts]: Start accepts. Automaton has 342184 states and 466811 transitions. Word has length 21 [2021-11-04 02:54:30,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:54:30,239 INFO L470 AbstractCegarLoop]: Abstraction has 342184 states and 466811 transitions. [2021-11-04 02:54:30,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:54:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 342184 states and 466811 transitions. [2021-11-04 02:54:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-04 02:54:30,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:54:30,241 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] [2021-11-04 02:54:30,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 02:54:30,242 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 109 more)] === [2021-11-04 02:54:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:54:30,243 INFO L85 PathProgramCache]: Analyzing trace with hash 865222996, now seen corresponding path program 1 times [2021-11-04 02:54:30,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:54:30,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235770719] [2021-11-04 02:54:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:54:30,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:54:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:54:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:54:30,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:54:30,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235770719] [2021-11-04 02:54:30,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235770719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:54:30,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:54:30,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:54:30,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427169769] [2021-11-04 02:54:30,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:54:30,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:54:30,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:54:30,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:54:30,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:54:30,472 INFO L87 Difference]: Start difference. First operand 342184 states and 466811 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:54:32,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:55:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:55:17,594 INFO L93 Difference]: Finished difference Result 1017966 states and 1388521 transitions. [2021-11-04 02:55:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:55:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-11-04 02:55:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:55:19,857 INFO L225 Difference]: With dead ends: 1017966 [2021-11-04 02:55:19,858 INFO L226 Difference]: Without dead ends: 675785 [2021-11-04 02:55:20,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:55:20,388 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4092 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 9290 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29395.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4092 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.84ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34440.52ms IncrementalHoareTripleChecker+Time [2021-11-04 02:55:20,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4092 Valid, 0 Invalid, 9292 Unknown, 0 Unchecked, 49.84ms Time], IncrementalHoareTripleChecker [1 Valid, 9290 Invalid, 1 Unknown, 0 Unchecked, 34440.52ms Time] [2021-11-04 02:55:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675785 states.