./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:44:13,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:44:13,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:44:13,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:44:13,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:44:13,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:44:13,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:44:13,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:44:13,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:44:13,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:44:13,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:44:13,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:44:13,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:44:13,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:44:13,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:44:13,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:44:13,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:44:13,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:44:13,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:44:13,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:44:13,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:44:13,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:44:13,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:44:13,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:44:13,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:44:13,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:44:13,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:44:13,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:44:13,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:44:13,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:44:13,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:44:13,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:44:13,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:44:13,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:44:13,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:44:13,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:44:13,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:44:13,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:44:13,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:44:13,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:44:13,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:44:13,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:44:13,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:44:13,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:44:13,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:44:13,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:44:13,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:44:13,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:44:13,970 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:44:13,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:44:13,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:44:13,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:44:13,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:44:13,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:44:13,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:44:13,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:44:13,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:44:13,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:44:13,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:44:13,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:44:13,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:44:13,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:44:13,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:44:13,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:44:13,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:44:13,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:44:13,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:44:13,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:44:13,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:44:13,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:44:13,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:44:13,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2021-11-05 20:44:14,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:44:14,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:44:14,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:44:14,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:44:14,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:44:14,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-11-05 20:44:14,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e3ee320/fc998250eba24ae08e40c0549ce573f0/FLAG0132e491e [2021-11-05 20:44:15,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:44:15,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-11-05 20:44:15,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e3ee320/fc998250eba24ae08e40c0549ce573f0/FLAG0132e491e [2021-11-05 20:44:15,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e3ee320/fc998250eba24ae08e40c0549ce573f0 [2021-11-05 20:44:15,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:44:15,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:44:15,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:44:15,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:44:15,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:44:15,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:44:15" (1/1) ... [2021-11-05 20:44:15,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42944279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:15, skipping insertion in model container [2021-11-05 20:44:15,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:44:15" (1/1) ... [2021-11-05 20:44:15,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:44:15,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:44:18,943 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2021-11-05 20:44:18,947 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2021-11-05 20:44:18,947 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2021-11-05 20:44:18,948 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2021-11-05 20:44:18,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:44:19,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:44:19,360 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2021-11-05 20:44:19,362 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2021-11-05 20:44:19,362 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2021-11-05 20:44:19,362 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2021-11-05 20:44:19,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:44:19,726 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:44:19,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19 WrapperNode [2021-11-05 20:44:19,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:44:19,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:44:19,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:44:19,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:44:19,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:19,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:20,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:44:20,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:44:20,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:44:20,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:44:20,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:20,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:20,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:20,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:21,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:21,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:21,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:21,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:44:21,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:44:21,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:44:21,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:44:21,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (1/1) ... [2021-11-05 20:44:21,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:44:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:44:21,809 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 20:44:21,840 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 20:44:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:44:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 20:44:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 20:44:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:44:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:44:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:44:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 20:44:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:44:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:44:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:44:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 20:44:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-05 20:44:35,091 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 20:44:35,092 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-05 20:44:35,092 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 20:44:35,092 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 20:44:35,093 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 20:44:35,093 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 20:44:35,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 20:44:35,137 INFO L299 CfgBuilder]: Removed 5420 assume(true) statements. [2021-11-05 20:44:35,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:44:35 BoogieIcfgContainer [2021-11-05 20:44:35,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 20:44:35,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 20:44:35,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 20:44:35,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 20:44:35,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:44:15" (1/3) ... [2021-11-05 20:44:35,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2d5501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:44:35, skipping insertion in model container [2021-11-05 20:44:35,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:19" (2/3) ... [2021-11-05 20:44:35,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2d5501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:44:35, skipping insertion in model container [2021-11-05 20:44:35,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:44:35" (3/3) ... [2021-11-05 20:44:35,151 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-11-05 20:44:35,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 20:44:35,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-11-05 20:44:35,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 20:44:35,219 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 20:44:35,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-11-05 20:44:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 4888 states, 4826 states have (on average 1.325528387898881) internal successors, (6397), 4887 states have internal predecessors, (6397), 0 states have call successors, (0), 0 states 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 20:44:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-05 20:44:35,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:35,292 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] [2021-11-05 20:44:35,293 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1690076153, now seen corresponding path program 1 times [2021-11-05 20:44:35,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:35,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803403591] [2021-11-05 20:44:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:35,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:35,852 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 20:44:35,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:35,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803403591] [2021-11-05 20:44:35,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803403591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:35,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:35,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:35,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372807771] [2021-11-05 20:44:35,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:35,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:44:35,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:35,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:44:35,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:35,910 INFO L87 Difference]: Start difference. First operand has 4888 states, 4826 states have (on average 1.325528387898881) internal successors, (6397), 4887 states have internal predecessors, (6397), 0 states have call successors, (0), 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 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 20:44:36,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:44:37,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:37,561 INFO L93 Difference]: Finished difference Result 13916 states and 18124 transitions. [2021-11-05 20:44:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:44:37,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-05 20:44:37,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:37,616 INFO L225 Difference]: With dead ends: 13916 [2021-11-05 20:44:37,616 INFO L226 Difference]: Without dead ends: 8857 [2021-11-05 20:44:37,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:37,633 INFO L933 BasicCegarLoop]: 6015 mSDtfsCounter, 5697 mSDsluCounter, 5976 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1080.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5697 SdHoareTripleChecker+Valid, 11991 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.93ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1142.43ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:37,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5697 Valid, 11991 Invalid, 14 Unknown, 0 Unchecked, 35.93ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1142.43ms Time] [2021-11-05 20:44:37,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8857 states. [2021-11-05 20:44:37,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8857 to 8793. [2021-11-05 20:44:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8793 states, 8731 states have (on average 1.2662925209025313) internal successors, (11056), 8792 states have internal predecessors, (11056), 0 states have call successors, (0), 0 states 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 20:44:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8793 states to 8793 states and 11056 transitions. [2021-11-05 20:44:37,936 INFO L78 Accepts]: Start accepts. Automaton has 8793 states and 11056 transitions. Word has length 54 [2021-11-05 20:44:37,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:37,938 INFO L470 AbstractCegarLoop]: Abstraction has 8793 states and 11056 transitions. [2021-11-05 20:44:37,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 20:44:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8793 states and 11056 transitions. [2021-11-05 20:44:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 20:44:37,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:37,948 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] [2021-11-05 20:44:37,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 20:44:37,949 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:37,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash 511234318, now seen corresponding path program 1 times [2021-11-05 20:44:37,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:37,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761803997] [2021-11-05 20:44:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:37,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:38,177 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 20:44:38,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:38,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761803997] [2021-11-05 20:44:38,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761803997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:38,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:38,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:38,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997653362] [2021-11-05 20:44:38,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:38,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:44:38,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:38,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:44:38,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:38,186 INFO L87 Difference]: Start difference. First operand 8793 states and 11056 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 20:44:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:39,190 INFO L93 Difference]: Finished difference Result 24437 states and 30846 transitions. [2021-11-05 20:44:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:44:39,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-05 20:44:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:39,256 INFO L225 Difference]: With dead ends: 24437 [2021-11-05 20:44:39,257 INFO L226 Difference]: Without dead ends: 15752 [2021-11-05 20:44:39,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.84ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:39,277 INFO L933 BasicCegarLoop]: 5655 mSDtfsCounter, 5451 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 584.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5451 SdHoareTripleChecker+Valid, 10343 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.50ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 668.72ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:39,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5451 Valid, 10343 Invalid, 76 Unknown, 0 Unchecked, 15.50ms Time], IncrementalHoareTripleChecker [26 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 668.72ms Time] [2021-11-05 20:44:39,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15752 states. [2021-11-05 20:44:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15752 to 14760. [2021-11-05 20:44:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14760 states, 14698 states have (on average 1.280242209824466) internal successors, (18817), 14759 states have internal predecessors, (18817), 0 states have call successors, (0), 0 states 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 20:44:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14760 states to 14760 states and 18817 transitions. [2021-11-05 20:44:39,833 INFO L78 Accepts]: Start accepts. Automaton has 14760 states and 18817 transitions. Word has length 57 [2021-11-05 20:44:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:39,834 INFO L470 AbstractCegarLoop]: Abstraction has 14760 states and 18817 transitions. [2021-11-05 20:44:39,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 20:44:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14760 states and 18817 transitions. [2021-11-05 20:44:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-05 20:44:39,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:39,836 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] [2021-11-05 20:44:39,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 20:44:39,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:39,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:39,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1200372781, now seen corresponding path program 1 times [2021-11-05 20:44:39,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:39,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390529179] [2021-11-05 20:44:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:39,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:39,962 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 20:44:39,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:39,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390529179] [2021-11-05 20:44:39,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390529179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:39,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:39,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:39,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803272782] [2021-11-05 20:44:39,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:39,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:44:39,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:39,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:44:39,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:39,965 INFO L87 Difference]: Start difference. First operand 14760 states and 18817 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 20:44:41,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:41,431 INFO L93 Difference]: Finished difference Result 43016 states and 54859 transitions. [2021-11-05 20:44:41,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:44:41,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2021-11-05 20:44:41,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:41,523 INFO L225 Difference]: With dead ends: 43016 [2021-11-05 20:44:41,524 INFO L226 Difference]: Without dead ends: 28364 [2021-11-05 20:44:41,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:41,565 INFO L933 BasicCegarLoop]: 5665 mSDtfsCounter, 5285 mSDsluCounter, 5488 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 798.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5285 SdHoareTripleChecker+Valid, 11153 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.81ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 866.21ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:41,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5285 Valid, 11153 Invalid, 58 Unknown, 0 Unchecked, 17.81ms Time], IncrementalHoareTripleChecker [14 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 866.21ms Time] [2021-11-05 20:44:41,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28364 states. [2021-11-05 20:44:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28364 to 27724. [2021-11-05 20:44:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27724 states, 27662 states have (on average 1.2830959438941507) internal successors, (35493), 27723 states have internal predecessors, (35493), 0 states have call successors, (0), 0 states 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 20:44:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27724 states to 27724 states and 35493 transitions. [2021-11-05 20:44:42,530 INFO L78 Accepts]: Start accepts. Automaton has 27724 states and 35493 transitions. Word has length 58 [2021-11-05 20:44:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:42,530 INFO L470 AbstractCegarLoop]: Abstraction has 27724 states and 35493 transitions. [2021-11-05 20:44:42,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 20:44:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 27724 states and 35493 transitions. [2021-11-05 20:44:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-05 20:44:42,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:42,533 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 20:44:42,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 20:44:42,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash -771378385, now seen corresponding path program 1 times [2021-11-05 20:44:42,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:42,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411748911] [2021-11-05 20:44:42,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:42,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:42,682 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 20:44:42,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:42,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411748911] [2021-11-05 20:44:42,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411748911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:42,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:42,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:42,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207654425] [2021-11-05 20:44:42,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:42,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:44:42,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:44:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:42,685 INFO L87 Difference]: Start difference. First operand 27724 states and 35493 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 20:44:44,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:44:45,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:45,144 INFO L93 Difference]: Finished difference Result 74334 states and 95107 transitions. [2021-11-05 20:44:45,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:44:45,145 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 20:44:45,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:45,267 INFO L225 Difference]: With dead ends: 74334 [2021-11-05 20:44:45,267 INFO L226 Difference]: Without dead ends: 46718 [2021-11-05 20:44:45,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:45,331 INFO L933 BasicCegarLoop]: 5673 mSDtfsCounter, 3865 mSDsluCounter, 5508 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1571.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 11181 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.55ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1678.75ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:45,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3865 Valid, 11181 Invalid, 103 Unknown, 0 Unchecked, 18.55ms Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 1678.75ms Time] [2021-11-05 20:44:45,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46718 states. [2021-11-05 20:44:46,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46718 to 46252. [2021-11-05 20:44:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46252 states, 46190 states have (on average 1.2819441437540593) internal successors, (59213), 46251 states have internal predecessors, (59213), 0 states have call successors, (0), 0 states 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 20:44:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46252 states to 46252 states and 59213 transitions. [2021-11-05 20:44:46,566 INFO L78 Accepts]: Start accepts. Automaton has 46252 states and 59213 transitions. Word has length 74 [2021-11-05 20:44:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:46,568 INFO L470 AbstractCegarLoop]: Abstraction has 46252 states and 59213 transitions. [2021-11-05 20:44:46,568 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 20:44:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 46252 states and 59213 transitions. [2021-11-05 20:44:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-05 20:44:46,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:46,572 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:44:46,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 20:44:46,573 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:46,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:46,574 INFO L85 PathProgramCache]: Analyzing trace with hash -134515053, now seen corresponding path program 1 times [2021-11-05 20:44:46,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:46,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518182147] [2021-11-05 20:44:46,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:46,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:44:46,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:46,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518182147] [2021-11-05 20:44:46,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518182147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:46,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:46,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:46,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294839701] [2021-11-05 20:44:46,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:46,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:44:46,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:46,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:44:46,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:46,755 INFO L87 Difference]: Start difference. First operand 46252 states and 59213 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:44:48,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:44:49,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:49,284 INFO L93 Difference]: Finished difference Result 92444 states and 118321 transitions. [2021-11-05 20:44:49,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:44:49,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-05 20:44:49,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:49,437 INFO L225 Difference]: With dead ends: 92444 [2021-11-05 20:44:49,437 INFO L226 Difference]: Without dead ends: 69183 [2021-11-05 20:44:49,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.93ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:44:49,501 INFO L933 BasicCegarLoop]: 11083 mSDtfsCounter, 5466 mSDsluCounter, 5605 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1546.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 16688 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.44ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1614.68ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:49,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5466 Valid, 16688 Invalid, 10 Unknown, 0 Unchecked, 13.44ms Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1614.68ms Time] [2021-11-05 20:44:49,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69183 states. [2021-11-05 20:44:50,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69183 to 69105. [2021-11-05 20:44:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69105 states, 69043 states have (on average 1.2822878496009733) internal successors, (88533), 69104 states have internal predecessors, (88533), 0 states have call successors, (0), 0 states 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 20:44:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69105 states to 69105 states and 88533 transitions. [2021-11-05 20:44:50,975 INFO L78 Accepts]: Start accepts. Automaton has 69105 states and 88533 transitions. Word has length 79 [2021-11-05 20:44:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:50,976 INFO L470 AbstractCegarLoop]: Abstraction has 69105 states and 88533 transitions. [2021-11-05 20:44:50,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:44:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 69105 states and 88533 transitions. [2021-11-05 20:44:50,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-05 20:44:50,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:50,978 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:44:50,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 20:44:50,979 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:50,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:50,980 INFO L85 PathProgramCache]: Analyzing trace with hash 123650385, now seen corresponding path program 1 times [2021-11-05 20:44:50,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:50,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627556033] [2021-11-05 20:44:50,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:50,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:44:51,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:51,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627556033] [2021-11-05 20:44:51,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627556033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:51,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:51,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:51,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139994256] [2021-11-05 20:44:51,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:51,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:44:51,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:51,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:44:51,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:44:51,455 INFO L87 Difference]: Start difference. First operand 69105 states and 88533 transitions. Second operand has 4 states, 4 states have (on average 18.5) 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 20:44:52,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:52,939 INFO L93 Difference]: Finished difference Result 69105 states and 88533 transitions. [2021-11-05 20:44:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:44:52,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) 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 79 [2021-11-05 20:44:52,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:53,080 INFO L225 Difference]: With dead ends: 69105 [2021-11-05 20:44:53,080 INFO L226 Difference]: Without dead ends: 69101 [2021-11-05 20:44:53,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.74ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:44:53,115 INFO L933 BasicCegarLoop]: 5660 mSDtfsCounter, 5483 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5483 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.36ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.94ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:53,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5483 Valid, 11336 Invalid, 144 Unknown, 0 Unchecked, 24.36ms Time], IncrementalHoareTripleChecker [35 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 122.94ms Time] [2021-11-05 20:44:53,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69101 states. [2021-11-05 20:44:54,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69101 to 69101. [2021-11-05 20:44:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69101 states, 69041 states have (on average 1.2822670587042482) internal successors, (88529), 69100 states have internal predecessors, (88529), 0 states have call successors, (0), 0 states 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 20:44:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69101 states to 69101 states and 88529 transitions. [2021-11-05 20:44:54,913 INFO L78 Accepts]: Start accepts. Automaton has 69101 states and 88529 transitions. Word has length 79 [2021-11-05 20:44:54,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:54,913 INFO L470 AbstractCegarLoop]: Abstraction has 69101 states and 88529 transitions. [2021-11-05 20:44:54,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) 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 20:44:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 69101 states and 88529 transitions. [2021-11-05 20:44:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 20:44:54,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:54,915 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:44:54,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 20:44:54,916 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:54,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:54,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1430919756, now seen corresponding path program 1 times [2021-11-05 20:44:54,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:54,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093944190] [2021-11-05 20:44:54,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:54,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:44:55,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:55,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093944190] [2021-11-05 20:44:55,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093944190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:55,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:55,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:55,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354251054] [2021-11-05 20:44:55,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:55,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:44:55,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:55,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:44:55,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:44:55,110 INFO L87 Difference]: Start difference. First operand 69101 states and 88529 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:44:56,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:44:56,579 INFO L93 Difference]: Finished difference Result 69101 states and 88529 transitions. [2021-11-05 20:44:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:44:56,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-05 20:44:56,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:44:56,681 INFO L225 Difference]: With dead ends: 69101 [2021-11-05 20:44:56,681 INFO L226 Difference]: Without dead ends: 69097 [2021-11-05 20:44:56,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:44:56,703 INFO L933 BasicCegarLoop]: 5670 mSDtfsCounter, 5601 mSDsluCounter, 5590 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 11260 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.89ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.81ms IncrementalHoareTripleChecker+Time [2021-11-05 20:44:56,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 11260 Invalid, 88 Unknown, 0 Unchecked, 16.89ms Time], IncrementalHoareTripleChecker [30 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 63.81ms Time] [2021-11-05 20:44:56,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69097 states. [2021-11-05 20:44:58,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69097 to 69097. [2021-11-05 20:44:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69097 states, 69039 states have (on average 1.2822462666029346) internal successors, (88525), 69096 states have internal predecessors, (88525), 0 states have call successors, (0), 0 states 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 20:44:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69097 states to 69097 states and 88525 transitions. [2021-11-05 20:44:58,350 INFO L78 Accepts]: Start accepts. Automaton has 69097 states and 88525 transitions. Word has length 81 [2021-11-05 20:44:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:44:58,350 INFO L470 AbstractCegarLoop]: Abstraction has 69097 states and 88525 transitions. [2021-11-05 20:44:58,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:44:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 69097 states and 88525 transitions. [2021-11-05 20:44:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-05 20:44:58,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:44:58,353 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:44:58,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 20:44:58,353 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:44:58,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:44:58,354 INFO L85 PathProgramCache]: Analyzing trace with hash -724205929, now seen corresponding path program 1 times [2021-11-05 20:44:58,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:44:58,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227916781] [2021-11-05 20:44:58,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:44:58,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:44:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:44:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:44:58,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:44:58,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227916781] [2021-11-05 20:44:58,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227916781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:44:58,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:44:58,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:44:58,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939796877] [2021-11-05 20:44:58,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:44:58,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:44:58,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:44:58,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:44:58,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:44:58,538 INFO L87 Difference]: Start difference. First operand 69097 states and 88525 transitions. Second operand has 4 states, 4 states have (on average 19.5) 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 20:45:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:45:00,045 INFO L93 Difference]: Finished difference Result 69097 states and 88525 transitions. [2021-11-05 20:45:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:45:00,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) 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 83 [2021-11-05 20:45:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:45:00,185 INFO L225 Difference]: With dead ends: 69097 [2021-11-05 20:45:00,185 INFO L226 Difference]: Without dead ends: 69093 [2021-11-05 20:45:00,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:45:00,210 INFO L933 BasicCegarLoop]: 5666 mSDtfsCounter, 5595 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 11254 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.95ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.76ms IncrementalHoareTripleChecker+Time [2021-11-05 20:45:00,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5595 Valid, 11254 Invalid, 86 Unknown, 0 Unchecked, 12.95ms Time], IncrementalHoareTripleChecker [30 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 79.76ms Time] [2021-11-05 20:45:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69093 states. [2021-11-05 20:45:01,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69093 to 69093. [2021-11-05 20:45:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69093 states, 69037 states have (on average 1.2822254732969278) internal successors, (88521), 69092 states have internal predecessors, (88521), 0 states have call successors, (0), 0 states 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 20:45:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69093 states to 69093 states and 88521 transitions. [2021-11-05 20:45:02,180 INFO L78 Accepts]: Start accepts. Automaton has 69093 states and 88521 transitions. Word has length 83 [2021-11-05 20:45:02,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:45:02,180 INFO L470 AbstractCegarLoop]: Abstraction has 69093 states and 88521 transitions. [2021-11-05 20:45:02,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) 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 20:45:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 69093 states and 88521 transitions. [2021-11-05 20:45:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 20:45:02,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:45:02,183 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:45:02,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 20:45:02,183 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:45:02,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:45:02,183 INFO L85 PathProgramCache]: Analyzing trace with hash -177050630, now seen corresponding path program 1 times [2021-11-05 20:45:02,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:45:02,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668351319] [2021-11-05 20:45:02,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:45:02,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:45:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:45:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:45:02,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:45:02,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668351319] [2021-11-05 20:45:02,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668351319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:45:02,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:45:02,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:45:02,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882274454] [2021-11-05 20:45:02,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:45:02,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:45:02,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:45:02,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:45:02,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:45:02,331 INFO L87 Difference]: Start difference. First operand 69093 states and 88521 transitions. Second operand has 4 states, 4 states have (on average 20.0) 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 20:45:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:45:03,927 INFO L93 Difference]: Finished difference Result 69093 states and 88521 transitions. [2021-11-05 20:45:03,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:45:03,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) 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 85 [2021-11-05 20:45:03,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:45:04,061 INFO L225 Difference]: With dead ends: 69093 [2021-11-05 20:45:04,061 INFO L226 Difference]: Without dead ends: 69089 [2021-11-05 20:45:04,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.16ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:45:04,086 INFO L933 BasicCegarLoop]: 5662 mSDtfsCounter, 5589 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5589 SdHoareTripleChecker+Valid, 11248 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.44ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.38ms IncrementalHoareTripleChecker+Time [2021-11-05 20:45:04,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5589 Valid, 11248 Invalid, 84 Unknown, 0 Unchecked, 10.44ms Time], IncrementalHoareTripleChecker [30 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 78.38ms Time] [2021-11-05 20:45:04,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69089 states. [2021-11-05 20:45:05,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69089 to 69089. [2021-11-05 20:45:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69089 states, 69035 states have (on average 1.282204678786123) internal successors, (88517), 69088 states have internal predecessors, (88517), 0 states have call successors, (0), 0 states 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 20:45:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69089 states to 69089 states and 88517 transitions. [2021-11-05 20:45:06,105 INFO L78 Accepts]: Start accepts. Automaton has 69089 states and 88517 transitions. Word has length 85 [2021-11-05 20:45:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:45:06,106 INFO L470 AbstractCegarLoop]: Abstraction has 69089 states and 88517 transitions. [2021-11-05 20:45:06,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) 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 20:45:06,106 INFO L276 IsEmpty]: Start isEmpty. Operand 69089 states and 88517 transitions. [2021-11-05 20:45:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 20:45:06,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:45:06,108 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] [2021-11-05 20:45:06,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 20:45:06,108 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-05 20:45:06,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:45:06,109 INFO L85 PathProgramCache]: Analyzing trace with hash 213884402, now seen corresponding path program 1 times [2021-11-05 20:45:06,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:45:06,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177824234] [2021-11-05 20:45:06,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:45:06,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:45:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:45:06,245 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 20:45:06,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:45:06,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177824234] [2021-11-05 20:45:06,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177824234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:45:06,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:45:06,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:45:06,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175537436] [2021-11-05 20:45:06,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:45:06,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:45:06,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:45:06,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:45:06,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:45:06,248 INFO L87 Difference]: Start difference. First operand 69089 states and 88517 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:45:07,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:45:09,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:45:09,181 INFO L93 Difference]: Finished difference Result 126645 states and 162515 transitions. [2021-11-05 20:45:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:45:09,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-05 20:45:09,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:45:09,275 INFO L225 Difference]: With dead ends: 126645 [2021-11-05 20:45:09,276 INFO L226 Difference]: Without dead ends: 57664 [2021-11-05 20:45:09,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:45:09,479 INFO L933 BasicCegarLoop]: 7669 mSDtfsCounter, 2194 mSDsluCounter, 5556 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1331.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 13225 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.14ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1420.72ms IncrementalHoareTripleChecker+Time [2021-11-05 20:45:09,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2194 Valid, 13225 Invalid, 94 Unknown, 0 Unchecked, 9.14ms Time], IncrementalHoareTripleChecker [19 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 1420.72ms Time] [2021-11-05 20:45:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57664 states.