./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-natsemi-ns83820.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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-natsemi-ns83820.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 a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-03 00:43:41,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 00:43:41,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 00:43:41,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 00:43:41,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 00:43:41,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 00:43:41,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 00:43:41,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 00:43:41,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 00:43:41,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 00:43:41,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 00:43:41,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 00:43:41,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 00:43:41,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 00:43:41,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 00:43:41,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 00:43:41,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 00:43:41,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 00:43:41,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 00:43:41,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 00:43:41,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 00:43:41,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 00:43:41,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 00:43:41,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 00:43:41,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 00:43:41,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 00:43:41,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 00:43:41,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 00:43:41,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 00:43:41,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 00:43:41,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 00:43:41,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 00:43:41,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 00:43:41,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 00:43:41,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 00:43:41,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 00:43:41,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 00:43:41,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 00:43:41,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 00:43:41,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 00:43:41,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 00:43:41,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 00:43:41,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 00:43:41,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 00:43:41,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 00:43:41,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 00:43:41,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 00:43:41,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 00:43:41,826 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 00:43:41,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 00:43:41,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 00:43:41,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 00:43:41,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 00:43:41,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 00:43:41,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 00:43:41,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 00:43:41,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 00:43:41,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 00:43:41,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 00:43:41,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 00:43:41,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 00:43:41,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 00:43:41,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 00:43:41,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 00:43:41,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 00:43:41,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 00:43:41,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 00:43:41,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 00:43:41,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 00:43:41,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 00:43:41,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 00:43:41,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2021-11-03 00:43:42,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 00:43:42,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 00:43:42,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 00:43:42,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 00:43:42,116 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 00:43:42,117 INFO L432 ainManager$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-natsemi-ns83820.cil.i [2021-11-03 00:43:42,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a286fbc33/ccf2be8a5faa4caa9c3e61b04ae11057/FLAG5ff8253bc [2021-11-03 00:43:42,895 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 00:43:42,896 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-natsemi-ns83820.cil.i [2021-11-03 00:43:42,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a286fbc33/ccf2be8a5faa4caa9c3e61b04ae11057/FLAG5ff8253bc [2021-11-03 00:43:43,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a286fbc33/ccf2be8a5faa4caa9c3e61b04ae11057 [2021-11-03 00:43:43,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 00:43:43,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 00:43:43,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 00:43:43,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 00:43:43,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 00:43:43,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:43:43" (1/1) ... [2021-11-03 00:43:43,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed714d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:43, skipping insertion in model container [2021-11-03 00:43:43,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:43:43" (1/1) ... [2021-11-03 00:43:43,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 00:43:43,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 00:43:45,394 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-natsemi-ns83820.cil.i[322443,322456] [2021-11-03 00:43:45,399 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-natsemi-ns83820.cil.i[322612,322625] [2021-11-03 00:43:45,400 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-natsemi-ns83820.cil.i[322779,322792] [2021-11-03 00:43:45,400 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-natsemi-ns83820.cil.i[322947,322960] [2021-11-03 00:43:45,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 00:43:45,464 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 00:43:45,752 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-natsemi-ns83820.cil.i[322443,322456] [2021-11-03 00:43:45,754 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-natsemi-ns83820.cil.i[322612,322625] [2021-11-03 00:43:45,754 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-natsemi-ns83820.cil.i[322779,322792] [2021-11-03 00:43:45,754 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-natsemi-ns83820.cil.i[322947,322960] [2021-11-03 00:43:45,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 00:43:45,943 INFO L208 MainTranslator]: Completed translation [2021-11-03 00:43:45,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45 WrapperNode [2021-11-03 00:43:45,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 00:43:45,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 00:43:45,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 00:43:45,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 00:43:45,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:46,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:46,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 00:43:46,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 00:43:46,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 00:43:46,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 00:43:46,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:46,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:46,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:46,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:46,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:47,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:47,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:47,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 00:43:47,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 00:43:47,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 00:43:47,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 00:43:47,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (1/1) ... [2021-11-03 00:43:47,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 00:43:47,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 00:43:47,196 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) [2021-11-03 00:43:47,218 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 [2021-11-03 00:43:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 00:43:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 00:43:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 00:43:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 00:43:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 00:43:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 00:43:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 00:43:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 00:43:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 00:43:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 00:43:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 00:43:50,539 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-03 00:43:50,539 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-03 00:43:50,540 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-03 00:43:50,540 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-03 00:43:50,541 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-03 00:43:50,541 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 00:43:50,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 00:43:50,563 INFO L299 CfgBuilder]: Removed 4798 assume(true) statements. [2021-11-03 00:43:50,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:43:50 BoogieIcfgContainer [2021-11-03 00:43:50,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 00:43:50,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 00:43:50,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 00:43:50,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 00:43:50,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:43:43" (1/3) ... [2021-11-03 00:43:50,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120088e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:43:50, skipping insertion in model container [2021-11-03 00:43:50,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:45" (2/3) ... [2021-11-03 00:43:50,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120088e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:43:50, skipping insertion in model container [2021-11-03 00:43:50,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:43:50" (3/3) ... [2021-11-03 00:43:50,575 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2021-11-03 00:43:50,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 00:43:50,580 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 130 error locations. [2021-11-03 00:43:50,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 00:43:50,635 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 [2021-11-03 00:43:50,636 INFO L340 AbstractCegarLoop]: Starting to check reachability of 130 error locations. [2021-11-03 00:43:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 3924 states, 3794 states have (on average 1.3186610437532946) internal successors, (5003), 3923 states have internal predecessors, (5003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:43:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 00:43:50,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:43:50,700 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] [2021-11-03 00:43:50,701 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:43:50,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:43:50,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1451316066, now seen corresponding path program 1 times [2021-11-03 00:43:50,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:43:50,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721252959] [2021-11-03 00:43:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:43:50,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:43:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:43:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:43:51,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:43:51,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721252959] [2021-11-03 00:43:51,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721252959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:43:51,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:43:51,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:43:51,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808139000] [2021-11-03 00:43:51,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:43:51,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:43:51,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:43:51,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:43:51,196 INFO L87 Difference]: Start difference. First operand has 3924 states, 3794 states have (on average 1.3186610437532946) internal successors, (5003), 3923 states have internal predecessors, (5003), 0 states have call successors, (0), 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 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:02,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:02,448 INFO L93 Difference]: Finished difference Result 11468 states and 14624 transitions. [2021-11-03 00:44:02,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:44:02,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-11-03 00:44:02,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:02,499 INFO L225 Difference]: With dead ends: 11468 [2021-11-03 00:44:02,500 INFO L226 Difference]: Without dead ends: 7213 [2021-11-03 00:44:02,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:02,517 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 4598 mSDsluCounter, 4791 mSDsCounter, 0 mSdLazyCounter, 9208 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8790.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 9210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.23ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10595.96ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:02,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4598 Valid, 425 Invalid, 9210 Unknown, 0 Unchecked, 34.23ms Time], IncrementalHoareTripleChecker [2 Valid, 9208 Invalid, 0 Unknown, 0 Unchecked, 10595.96ms Time] [2021-11-03 00:44:02,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7213 states. [2021-11-03 00:44:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7213 to 7009. [2021-11-03 00:44:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7009 states, 6879 states have (on average 1.234481756069196) internal successors, (8492), 7008 states have internal predecessors, (8492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7009 states to 7009 states and 8492 transitions. [2021-11-03 00:44:02,786 INFO L78 Accepts]: Start accepts. Automaton has 7009 states and 8492 transitions. Word has length 36 [2021-11-03 00:44:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:02,787 INFO L470 AbstractCegarLoop]: Abstraction has 7009 states and 8492 transitions. [2021-11-03 00:44:02,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7009 states and 8492 transitions. [2021-11-03 00:44:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 00:44:02,792 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:02,792 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] [2021-11-03 00:44:02,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 00:44:02,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:02,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash 755458116, now seen corresponding path program 1 times [2021-11-03 00:44:02,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:02,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340160888] [2021-11-03 00:44:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:02,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:44:02,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:02,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340160888] [2021-11-03 00:44:02,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340160888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:02,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:02,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:02,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598382804] [2021-11-03 00:44:02,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:44:02,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:02,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:44:02,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:02,974 INFO L87 Difference]: Start difference. First operand 7009 states and 8492 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:11,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:11,628 INFO L93 Difference]: Finished difference Result 19739 states and 23904 transitions. [2021-11-03 00:44:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:44:11,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2021-11-03 00:44:11,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:11,688 INFO L225 Difference]: With dead ends: 19739 [2021-11-03 00:44:11,688 INFO L226 Difference]: Without dead ends: 12790 [2021-11-03 00:44:11,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:11,706 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3703 mSDsluCounter, 4271 mSDsCounter, 0 mSdLazyCounter, 8692 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6907.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.53ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8290.13ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:11,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3703 Valid, 0 Invalid, 8704 Unknown, 0 Unchecked, 12.53ms Time], IncrementalHoareTripleChecker [12 Valid, 8692 Invalid, 0 Unknown, 0 Unchecked, 8290.13ms Time] [2021-11-03 00:44:11,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12790 states. [2021-11-03 00:44:12,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12790 to 12108. [2021-11-03 00:44:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12108 states, 11978 states have (on average 1.2375187844381366) internal successors, (14823), 12107 states have internal predecessors, (14823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12108 states to 12108 states and 14823 transitions. [2021-11-03 00:44:12,071 INFO L78 Accepts]: Start accepts. Automaton has 12108 states and 14823 transitions. Word has length 43 [2021-11-03 00:44:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:12,072 INFO L470 AbstractCegarLoop]: Abstraction has 12108 states and 14823 transitions. [2021-11-03 00:44:12,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 12108 states and 14823 transitions. [2021-11-03 00:44:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 00:44:12,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:12,080 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] [2021-11-03 00:44:12,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 00:44:12,086 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:12,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:12,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1414052061, now seen corresponding path program 1 times [2021-11-03 00:44:12,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:12,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713506028] [2021-11-03 00:44:12,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:12,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:44:12,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:12,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713506028] [2021-11-03 00:44:12,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713506028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:12,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:12,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:12,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838256322] [2021-11-03 00:44:12,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:44:12,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:12,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:44:12,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:12,232 INFO L87 Difference]: Start difference. First operand 12108 states and 14823 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:21,049 INFO L93 Difference]: Finished difference Result 32800 states and 40275 transitions. [2021-11-03 00:44:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:44:21,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2021-11-03 00:44:21,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:21,140 INFO L225 Difference]: With dead ends: 32800 [2021-11-03 00:44:21,141 INFO L226 Difference]: Without dead ends: 20752 [2021-11-03 00:44:21,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:21,183 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3877 mSDsluCounter, 3620 mSDsCounter, 0 mSdLazyCounter, 8046 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7041.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.96ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 8046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8335.17ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:21,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3877 Valid, 0 Invalid, 8063 Unknown, 0 Unchecked, 11.96ms Time], IncrementalHoareTripleChecker [17 Valid, 8046 Invalid, 0 Unknown, 0 Unchecked, 8335.17ms Time] [2021-11-03 00:44:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20752 states. [2021-11-03 00:44:21,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20752 to 20298. [2021-11-03 00:44:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20298 states, 20168 states have (on average 1.2455870686235622) internal successors, (25121), 20297 states have internal predecessors, (25121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20298 states to 20298 states and 25121 transitions. [2021-11-03 00:44:21,709 INFO L78 Accepts]: Start accepts. Automaton has 20298 states and 25121 transitions. Word has length 43 [2021-11-03 00:44:21,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:21,709 INFO L470 AbstractCegarLoop]: Abstraction has 20298 states and 25121 transitions. [2021-11-03 00:44:21,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:21,710 INFO L276 IsEmpty]: Start isEmpty. Operand 20298 states and 25121 transitions. [2021-11-03 00:44:21,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 00:44:21,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:21,711 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] [2021-11-03 00:44:21,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 00:44:21,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:21,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1725346022, now seen corresponding path program 1 times [2021-11-03 00:44:21,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:21,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929934338] [2021-11-03 00:44:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:21,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:21,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:44:21,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:21,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929934338] [2021-11-03 00:44:21,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929934338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:21,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:21,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:21,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110135306] [2021-11-03 00:44:21,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:44:21,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:21,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:44:21,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:21,821 INFO L87 Difference]: Start difference. First operand 20298 states and 25121 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:29,382 INFO L93 Difference]: Finished difference Result 37603 states and 46552 transitions. [2021-11-03 00:44:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:44:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-11-03 00:44:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:29,422 INFO L225 Difference]: With dead ends: 37603 [2021-11-03 00:44:29,422 INFO L226 Difference]: Without dead ends: 17365 [2021-11-03 00:44:29,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:29,459 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2257 mSDsluCounter, 4290 mSDsCounter, 0 mSdLazyCounter, 9371 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6002.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.57ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 9371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7226.64ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:29,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2257 Valid, 0 Invalid, 9390 Unknown, 0 Unchecked, 10.57ms Time], IncrementalHoareTripleChecker [19 Valid, 9371 Invalid, 0 Unknown, 0 Unchecked, 7226.64ms Time] [2021-11-03 00:44:29,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17365 states. [2021-11-03 00:44:29,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17365 to 17175. [2021-11-03 00:44:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17175 states, 17045 states have (on average 1.2476972719272514) internal successors, (21267), 17174 states have internal predecessors, (21267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:29,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17175 states to 17175 states and 21267 transitions. [2021-11-03 00:44:29,970 INFO L78 Accepts]: Start accepts. Automaton has 17175 states and 21267 transitions. Word has length 44 [2021-11-03 00:44:29,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:29,973 INFO L470 AbstractCegarLoop]: Abstraction has 17175 states and 21267 transitions. [2021-11-03 00:44:29,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17175 states and 21267 transitions. [2021-11-03 00:44:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 00:44:29,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:29,974 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] [2021-11-03 00:44:29,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 00:44:29,975 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:29,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash -402761400, now seen corresponding path program 1 times [2021-11-03 00:44:29,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:29,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689175095] [2021-11-03 00:44:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:29,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:44:30,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:30,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689175095] [2021-11-03 00:44:30,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689175095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:30,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:30,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:30,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768423362] [2021-11-03 00:44:30,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:44:30,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:30,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:44:30,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:30,110 INFO L87 Difference]: Start difference. First operand 17175 states and 21267 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:38,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:38,108 INFO L93 Difference]: Finished difference Result 41465 states and 51275 transitions. [2021-11-03 00:44:38,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:44:38,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-11-03 00:44:38,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:38,159 INFO L225 Difference]: With dead ends: 41465 [2021-11-03 00:44:38,159 INFO L226 Difference]: Without dead ends: 24350 [2021-11-03 00:44:38,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:38,193 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3309 mSDsluCounter, 4232 mSDsCounter, 0 mSdLazyCounter, 8688 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6366.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.99ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 8688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7621.98ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:38,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 0 Invalid, 8697 Unknown, 0 Unchecked, 9.99ms Time], IncrementalHoareTripleChecker [9 Valid, 8688 Invalid, 0 Unknown, 0 Unchecked, 7621.98ms Time] [2021-11-03 00:44:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24350 states. [2021-11-03 00:44:38,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24350 to 23880. [2021-11-03 00:44:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23880 states, 23750 states have (on average 1.2469052631578947) internal successors, (29614), 23879 states have internal predecessors, (29614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23880 states to 23880 states and 29614 transitions. [2021-11-03 00:44:38,650 INFO L78 Accepts]: Start accepts. Automaton has 23880 states and 29614 transitions. Word has length 45 [2021-11-03 00:44:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:38,650 INFO L470 AbstractCegarLoop]: Abstraction has 23880 states and 29614 transitions. [2021-11-03 00:44:38,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 23880 states and 29614 transitions. [2021-11-03 00:44:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 00:44:38,652 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:38,653 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] [2021-11-03 00:44:38,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 00:44:38,654 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:38,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1100337512, now seen corresponding path program 1 times [2021-11-03 00:44:38,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:38,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764849476] [2021-11-03 00:44:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:44:38,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:38,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764849476] [2021-11-03 00:44:38,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764849476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:38,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:38,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:38,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516301661] [2021-11-03 00:44:38,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:44:38,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:38,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:44:38,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:38,806 INFO L87 Difference]: Start difference. First operand 23880 states and 29614 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:47,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:47,594 INFO L93 Difference]: Finished difference Result 70954 states and 88070 transitions. [2021-11-03 00:44:47,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:44:47,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-03 00:44:47,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:47,680 INFO L225 Difference]: With dead ends: 70954 [2021-11-03 00:44:47,681 INFO L226 Difference]: Without dead ends: 47176 [2021-11-03 00:44:47,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:44:47,729 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4246 mSDsluCounter, 4331 mSDsCounter, 0 mSdLazyCounter, 8786 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6805.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.15ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8188.62ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:47,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4246 Valid, 0 Invalid, 8787 Unknown, 0 Unchecked, 10.15ms Time], IncrementalHoareTripleChecker [1 Valid, 8786 Invalid, 0 Unknown, 0 Unchecked, 8188.62ms Time] [2021-11-03 00:44:47,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47176 states. [2021-11-03 00:44:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47176 to 46942. [2021-11-03 00:44:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46942 states, 46812 states have (on average 1.2480133299154064) internal successors, (58422), 46941 states have internal predecessors, (58422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46942 states to 46942 states and 58422 transitions. [2021-11-03 00:44:48,589 INFO L78 Accepts]: Start accepts. Automaton has 46942 states and 58422 transitions. Word has length 61 [2021-11-03 00:44:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:48,589 INFO L470 AbstractCegarLoop]: Abstraction has 46942 states and 58422 transitions. [2021-11-03 00:44:48,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 46942 states and 58422 transitions. [2021-11-03 00:44:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 00:44:48,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:48,591 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] [2021-11-03 00:44:48,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 00:44:48,591 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:48,592 INFO L85 PathProgramCache]: Analyzing trace with hash -842172074, now seen corresponding path program 1 times [2021-11-03 00:44:48,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:48,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621253715] [2021-11-03 00:44:48,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:48,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:44:48,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:48,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621253715] [2021-11-03 00:44:48,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621253715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:48,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:48,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:48,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893679547] [2021-11-03 00:44:48,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:44:48,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:48,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:44:48,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:44:48,740 INFO L87 Difference]: Start difference. First operand 46942 states and 58422 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:55,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:44:55,766 INFO L93 Difference]: Finished difference Result 46942 states and 58422 transitions. [2021-11-03 00:44:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:44:55,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-03 00:44:55,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:44:55,852 INFO L225 Difference]: With dead ends: 46942 [2021-11-03 00:44:55,852 INFO L226 Difference]: Without dead ends: 46938 [2021-11-03 00:44:55,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:44:55,881 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4349 mSDsluCounter, 4320 mSDsCounter, 0 mSdLazyCounter, 8772 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5375.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.04ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 8772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6380.81ms IncrementalHoareTripleChecker+Time [2021-11-03 00:44:55,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4349 Valid, 0 Invalid, 8798 Unknown, 0 Unchecked, 16.04ms Time], IncrementalHoareTripleChecker [26 Valid, 8772 Invalid, 0 Unknown, 0 Unchecked, 6380.81ms Time] [2021-11-03 00:44:55,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46938 states. [2021-11-03 00:44:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46938 to 46938. [2021-11-03 00:44:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46938 states, 46810 states have (on average 1.2479812005981628) internal successors, (58418), 46937 states have internal predecessors, (58418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46938 states to 46938 states and 58418 transitions. [2021-11-03 00:44:56,898 INFO L78 Accepts]: Start accepts. Automaton has 46938 states and 58418 transitions. Word has length 61 [2021-11-03 00:44:56,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:44:56,898 INFO L470 AbstractCegarLoop]: Abstraction has 46938 states and 58418 transitions. [2021-11-03 00:44:56,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:44:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 46938 states and 58418 transitions. [2021-11-03 00:44:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-03 00:44:56,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:56,900 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:44:56,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 00:44:56,901 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:44:56,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:56,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1873372423, now seen corresponding path program 1 times [2021-11-03 00:44:56,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:56,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520610948] [2021-11-03 00:44:56,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:56,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:44:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:44:57,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:44:57,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520610948] [2021-11-03 00:44:57,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520610948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:44:57,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:44:57,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:44:57,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861279817] [2021-11-03 00:44:57,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:44:57,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:44:57,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:44:57,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:44:57,040 INFO L87 Difference]: Start difference. First operand 46938 states and 58418 transitions. Second operand has 4 states, 4 states have (on average 14.5) 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) [2021-11-03 00:45:04,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:04,421 INFO L93 Difference]: Finished difference Result 46938 states and 58418 transitions. [2021-11-03 00:45:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:45:04,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) 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 63 [2021-11-03 00:45:04,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:04,514 INFO L225 Difference]: With dead ends: 46938 [2021-11-03 00:45:04,514 INFO L226 Difference]: Without dead ends: 46934 [2021-11-03 00:45:04,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:45:04,537 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4341 mSDsluCounter, 4318 mSDsCounter, 0 mSdLazyCounter, 8764 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5682.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4341 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.18ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 8764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6707.29ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:04,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4341 Valid, 0 Invalid, 8792 Unknown, 0 Unchecked, 18.18ms Time], IncrementalHoareTripleChecker [28 Valid, 8764 Invalid, 0 Unknown, 0 Unchecked, 6707.29ms Time] [2021-11-03 00:45:04,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46934 states. [2021-11-03 00:45:05,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46934 to 46934. [2021-11-03 00:45:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46934 states, 46808 states have (on average 1.2479490685352932) internal successors, (58414), 46933 states have internal predecessors, (58414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46934 states to 46934 states and 58414 transitions. [2021-11-03 00:45:05,543 INFO L78 Accepts]: Start accepts. Automaton has 46934 states and 58414 transitions. Word has length 63 [2021-11-03 00:45:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:05,544 INFO L470 AbstractCegarLoop]: Abstraction has 46934 states and 58414 transitions. [2021-11-03 00:45:05,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) 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) [2021-11-03 00:45:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 46934 states and 58414 transitions. [2021-11-03 00:45:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 00:45:05,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:05,545 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] [2021-11-03 00:45:05,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 00:45:05,545 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:45:05,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:05,546 INFO L85 PathProgramCache]: Analyzing trace with hash -719462116, now seen corresponding path program 1 times [2021-11-03 00:45:05,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:05,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911286088] [2021-11-03 00:45:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:05,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:45:05,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:05,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911286088] [2021-11-03 00:45:05,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911286088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:05,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:05,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:05,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407722010] [2021-11-03 00:45:05,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:45:05,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:05,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:45:05,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:45:05,682 INFO L87 Difference]: Start difference. First operand 46934 states and 58414 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:13,186 INFO L93 Difference]: Finished difference Result 46934 states and 58414 transitions. [2021-11-03 00:45:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:45:13,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-03 00:45:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:13,271 INFO L225 Difference]: With dead ends: 46934 [2021-11-03 00:45:13,271 INFO L226 Difference]: Without dead ends: 46930 [2021-11-03 00:45:13,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.26ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:45:13,291 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4335 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 8756 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5639.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4335 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.85ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 8756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6636.92ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:13,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4335 Valid, 0 Invalid, 8784 Unknown, 0 Unchecked, 12.85ms Time], IncrementalHoareTripleChecker [28 Valid, 8756 Invalid, 0 Unknown, 0 Unchecked, 6636.92ms Time] [2021-11-03 00:45:13,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46930 states. [2021-11-03 00:45:14,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46930 to 46930. [2021-11-03 00:45:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46930 states, 46806 states have (on average 1.2479169337264453) internal successors, (58410), 46929 states have internal predecessors, (58410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46930 states to 46930 states and 58410 transitions. [2021-11-03 00:45:14,385 INFO L78 Accepts]: Start accepts. Automaton has 46930 states and 58410 transitions. Word has length 65 [2021-11-03 00:45:14,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:14,385 INFO L470 AbstractCegarLoop]: Abstraction has 46930 states and 58410 transitions. [2021-11-03 00:45:14,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 46930 states and 58410 transitions. [2021-11-03 00:45:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 00:45:14,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:14,386 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] [2021-11-03 00:45:14,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-03 00:45:14,387 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:45:14,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:14,387 INFO L85 PathProgramCache]: Analyzing trace with hash 86780863, now seen corresponding path program 1 times [2021-11-03 00:45:14,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:14,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174512717] [2021-11-03 00:45:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:14,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:45:14,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:14,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174512717] [2021-11-03 00:45:14,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174512717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:14,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:14,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:14,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767750667] [2021-11-03 00:45:14,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:45:14,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:14,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:45:14,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:45:14,540 INFO L87 Difference]: Start difference. First operand 46930 states and 58410 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:21,977 INFO L93 Difference]: Finished difference Result 46930 states and 58410 transitions. [2021-11-03 00:45:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:45:21,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-03 00:45:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:22,033 INFO L225 Difference]: With dead ends: 46930 [2021-11-03 00:45:22,033 INFO L226 Difference]: Without dead ends: 46926 [2021-11-03 00:45:22,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.59ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:45:22,046 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4329 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 8748 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5424.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4329 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.91ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 8748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6588.55ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:22,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4329 Valid, 0 Invalid, 8776 Unknown, 0 Unchecked, 13.91ms Time], IncrementalHoareTripleChecker [28 Valid, 8748 Invalid, 0 Unknown, 0 Unchecked, 6588.55ms Time] [2021-11-03 00:45:22,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46926 states. [2021-11-03 00:45:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46926 to 46926. [2021-11-03 00:45:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46926 states, 46804 states have (on average 1.2478847961712674) internal successors, (58406), 46925 states have internal predecessors, (58406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46926 states to 46926 states and 58406 transitions. [2021-11-03 00:45:23,017 INFO L78 Accepts]: Start accepts. Automaton has 46926 states and 58406 transitions. Word has length 67 [2021-11-03 00:45:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:23,017 INFO L470 AbstractCegarLoop]: Abstraction has 46926 states and 58406 transitions. [2021-11-03 00:45:23,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 46926 states and 58406 transitions. [2021-11-03 00:45:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 00:45:23,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:23,018 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] [2021-11-03 00:45:23,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-03 00:45:23,019 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:45:23,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:23,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1792170722, now seen corresponding path program 1 times [2021-11-03 00:45:23,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:23,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466181767] [2021-11-03 00:45:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:23,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:45:23,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:23,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466181767] [2021-11-03 00:45:23,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466181767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:23,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:23,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:23,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30444505] [2021-11-03 00:45:23,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:45:23,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:23,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:45:23,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:45:23,130 INFO L87 Difference]: Start difference. First operand 46926 states and 58406 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:30,405 INFO L93 Difference]: Finished difference Result 46926 states and 58406 transitions. [2021-11-03 00:45:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:45:30,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-03 00:45:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:30,476 INFO L225 Difference]: With dead ends: 46926 [2021-11-03 00:45:30,476 INFO L226 Difference]: Without dead ends: 46922 [2021-11-03 00:45:30,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.72ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:45:30,498 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4323 mSDsluCounter, 4312 mSDsCounter, 0 mSdLazyCounter, 8740 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5303.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4323 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.13ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 8740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6311.44ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:30,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4323 Valid, 0 Invalid, 8768 Unknown, 0 Unchecked, 13.13ms Time], IncrementalHoareTripleChecker [28 Valid, 8740 Invalid, 0 Unknown, 0 Unchecked, 6311.44ms Time] [2021-11-03 00:45:30,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46922 states. [2021-11-03 00:45:31,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46922 to 46922. [2021-11-03 00:45:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46922 states, 46802 states have (on average 1.2478526558694072) internal successors, (58402), 46921 states have internal predecessors, (58402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46922 states to 46922 states and 58402 transitions. [2021-11-03 00:45:31,724 INFO L78 Accepts]: Start accepts. Automaton has 46922 states and 58402 transitions. Word has length 69 [2021-11-03 00:45:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:31,724 INFO L470 AbstractCegarLoop]: Abstraction has 46922 states and 58402 transitions. [2021-11-03 00:45:31,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 46922 states and 58402 transitions. [2021-11-03 00:45:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-03 00:45:31,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:31,727 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] [2021-11-03 00:45:31,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-03 00:45:31,727 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:45:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash -5681531, now seen corresponding path program 1 times [2021-11-03 00:45:31,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:31,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859919843] [2021-11-03 00:45:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:31,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:45:31,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:31,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859919843] [2021-11-03 00:45:31,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859919843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:31,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:31,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:31,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496894070] [2021-11-03 00:45:31,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:45:31,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:31,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:45:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:45:31,866 INFO L87 Difference]: Start difference. First operand 46922 states and 58402 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:40,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:40,257 INFO L93 Difference]: Finished difference Result 46922 states and 58402 transitions. [2021-11-03 00:45:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:45:40,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-03 00:45:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:40,455 INFO L225 Difference]: With dead ends: 46922 [2021-11-03 00:45:40,455 INFO L226 Difference]: Without dead ends: 46918 [2021-11-03 00:45:40,469 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 [2021-11-03 00:45:40,471 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4317 mSDsluCounter, 4310 mSDsCounter, 0 mSdLazyCounter, 8732 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6133.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4317 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.76ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 8732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7185.66ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:40,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4317 Valid, 0 Invalid, 8760 Unknown, 0 Unchecked, 16.76ms Time], IncrementalHoareTripleChecker [28 Valid, 8732 Invalid, 0 Unknown, 0 Unchecked, 7185.66ms Time] [2021-11-03 00:45:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46918 states. [2021-11-03 00:45:41,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46918 to 46918. [2021-11-03 00:45:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46918 states, 46800 states have (on average 1.2478205128205129) internal successors, (58398), 46917 states have internal predecessors, (58398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46918 states to 46918 states and 58398 transitions. [2021-11-03 00:45:41,689 INFO L78 Accepts]: Start accepts. Automaton has 46918 states and 58398 transitions. Word has length 71 [2021-11-03 00:45:41,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:41,689 INFO L470 AbstractCegarLoop]: Abstraction has 46918 states and 58398 transitions. [2021-11-03 00:45:41,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 46918 states and 58398 transitions. [2021-11-03 00:45:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-03 00:45:41,691 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:41,691 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:45:41,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-03 00:45:41,691 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:45:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1114278942, now seen corresponding path program 1 times [2021-11-03 00:45:41,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:41,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279559751] [2021-11-03 00:45:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:41,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:45:41,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:41,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279559751] [2021-11-03 00:45:41,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279559751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:41,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:41,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:41,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30109914] [2021-11-03 00:45:41,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:45:41,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:41,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:45:41,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:45:41,816 INFO L87 Difference]: Start difference. First operand 46918 states and 58398 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:52,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:52,701 INFO L93 Difference]: Finished difference Result 107226 states and 133747 transitions. [2021-11-03 00:45:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:45:52,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-11-03 00:45:52,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:52,829 INFO L225 Difference]: With dead ends: 107226 [2021-11-03 00:45:52,829 INFO L226 Difference]: Without dead ends: 60410 [2021-11-03 00:45:52,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.83ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:45:52,904 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2239 mSDsluCounter, 4263 mSDsCounter, 0 mSdLazyCounter, 10771 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7439.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.94ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 10771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8853.48ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:52,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2239 Valid, 0 Invalid, 10790 Unknown, 0 Unchecked, 15.94ms Time], IncrementalHoareTripleChecker [19 Valid, 10771 Invalid, 0 Unknown, 0 Unchecked, 8853.48ms Time] [2021-11-03 00:45:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60410 states. [2021-11-03 00:45:54,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60410 to 60214. [2021-11-03 00:45:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60214 states, 60096 states have (on average 1.2496339190628327) internal successors, (75098), 60213 states have internal predecessors, (75098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60214 states to 60214 states and 75098 transitions. [2021-11-03 00:45:54,963 INFO L78 Accepts]: Start accepts. Automaton has 60214 states and 75098 transitions. Word has length 72 [2021-11-03 00:45:54,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:54,964 INFO L470 AbstractCegarLoop]: Abstraction has 60214 states and 75098 transitions. [2021-11-03 00:45:54,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 60214 states and 75098 transitions. [2021-11-03 00:45:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-03 00:45:54,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:54,965 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] [2021-11-03 00:45:54,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-03 00:45:54,965 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:45:54,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:54,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1164843352, now seen corresponding path program 1 times [2021-11-03 00:45:54,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:54,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134926906] [2021-11-03 00:45:54,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:54,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:45:55,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:55,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134926906] [2021-11-03 00:45:55,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134926906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:55,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:55,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:55,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894957400] [2021-11-03 00:45:55,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:45:55,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:55,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:45:55,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:45:55,104 INFO L87 Difference]: Start difference. First operand 60214 states and 75098 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:07,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:46:07,595 INFO L93 Difference]: Finished difference Result 110904 states and 138547 transitions. [2021-11-03 00:46:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 00:46:07,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 73 [2021-11-03 00:46:07,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:46:07,781 INFO L225 Difference]: With dead ends: 110904 [2021-11-03 00:46:07,781 INFO L226 Difference]: Without dead ends: 110900 [2021-11-03 00:46:07,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.93ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:46:07,812 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3761 mSDsluCounter, 8383 mSDsCounter, 0 mSdLazyCounter, 12966 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8595.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3761 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 13053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.28ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 12966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10174.54ms IncrementalHoareTripleChecker+Time [2021-11-03 00:46:07,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3761 Valid, 0 Invalid, 13053 Unknown, 0 Unchecked, 19.28ms Time], IncrementalHoareTripleChecker [87 Valid, 12966 Invalid, 0 Unknown, 0 Unchecked, 10174.54ms Time] [2021-11-03 00:46:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110900 states. [2021-11-03 00:46:10,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110900 to 108046. [2021-11-03 00:46:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108046 states, 107928 states have (on average 1.25218664294715) internal successors, (135146), 108045 states have internal predecessors, (135146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108046 states to 108046 states and 135146 transitions. [2021-11-03 00:46:11,311 INFO L78 Accepts]: Start accepts. Automaton has 108046 states and 135146 transitions. Word has length 73 [2021-11-03 00:46:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:46:11,312 INFO L470 AbstractCegarLoop]: Abstraction has 108046 states and 135146 transitions. [2021-11-03 00:46:11,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 108046 states and 135146 transitions. [2021-11-03 00:46:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-03 00:46:11,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:46:11,313 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] [2021-11-03 00:46:11,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-03 00:46:11,313 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:46:11,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:46:11,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1572143947, now seen corresponding path program 1 times [2021-11-03 00:46:11,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:46:11,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482244352] [2021-11-03 00:46:11,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:46:11,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:46:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:46:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:46:11,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:46:11,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482244352] [2021-11-03 00:46:11,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482244352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:46:11,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:46:11,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:46:11,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769457930] [2021-11-03 00:46:11,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:46:11,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:46:11,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:46:11,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:46:11,431 INFO L87 Difference]: Start difference. First operand 108046 states and 135146 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:20,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:46:20,966 INFO L93 Difference]: Finished difference Result 108046 states and 135146 transitions. [2021-11-03 00:46:20,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:46:20,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-03 00:46:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:46:21,182 INFO L225 Difference]: With dead ends: 108046 [2021-11-03 00:46:21,182 INFO L226 Difference]: Without dead ends: 108042 [2021-11-03 00:46:21,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:46:21,217 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4309 mSDsluCounter, 4308 mSDsCounter, 0 mSdLazyCounter, 8724 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5654.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4309 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.97ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 8724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6829.49ms IncrementalHoareTripleChecker+Time [2021-11-03 00:46:21,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4309 Valid, 0 Invalid, 8752 Unknown, 0 Unchecked, 15.97ms Time], IncrementalHoareTripleChecker [28 Valid, 8724 Invalid, 0 Unknown, 0 Unchecked, 6829.49ms Time] [2021-11-03 00:46:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108042 states. [2021-11-03 00:46:24,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108042 to 108042. [2021-11-03 00:46:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108042 states, 107926 states have (on average 1.2521727850564275) internal successors, (135142), 108041 states have internal predecessors, (135142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108042 states to 108042 states and 135142 transitions. [2021-11-03 00:46:25,187 INFO L78 Accepts]: Start accepts. Automaton has 108042 states and 135142 transitions. Word has length 75 [2021-11-03 00:46:25,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:46:25,188 INFO L470 AbstractCegarLoop]: Abstraction has 108042 states and 135142 transitions. [2021-11-03 00:46:25,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 108042 states and 135142 transitions. [2021-11-03 00:46:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-03 00:46:25,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:46:25,189 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] [2021-11-03 00:46:25,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-03 00:46:25,189 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 127 more)] === [2021-11-03 00:46:25,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:46:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash -998013842, now seen corresponding path program 1 times [2021-11-03 00:46:25,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:46:25,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713949108] [2021-11-03 00:46:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:46:25,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:46:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:46:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 00:46:25,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:46:25,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713949108] [2021-11-03 00:46:25,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713949108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:46:25,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:46:25,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:46:25,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872979835] [2021-11-03 00:46:25,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:46:25,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:46:25,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:46:25,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:46:25,323 INFO L87 Difference]: Start difference. First operand 108042 states and 135142 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:46:35,034 INFO L93 Difference]: Finished difference Result 108042 states and 135142 transitions. [2021-11-03 00:46:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:46:35,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-03 00:46:35,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:46:35,219 INFO L225 Difference]: With dead ends: 108042 [2021-11-03 00:46:35,219 INFO L226 Difference]: Without dead ends: 108038 [2021-11-03 00:46:35,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:46:35,255 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3899 mSDsluCounter, 4554 mSDsCounter, 0 mSdLazyCounter, 9094 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6010.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3899 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.03ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 9094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7083.47ms IncrementalHoareTripleChecker+Time [2021-11-03 00:46:35,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3899 Valid, 0 Invalid, 9148 Unknown, 0 Unchecked, 16.03ms Time], IncrementalHoareTripleChecker [54 Valid, 9094 Invalid, 0 Unknown, 0 Unchecked, 7083.47ms Time] [2021-11-03 00:46:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108038 states.