./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.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 97d835cf94d1b164c94e454298c9901161d3451d2aec7fccfb9f6ea65c4976ed --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:02:20,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:02:20,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:02:20,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:02:20,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:02:20,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:02:20,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:02:20,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:02:20,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:02:20,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:02:20,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:02:20,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:02:20,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:02:20,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:02:20,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:02:20,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:02:20,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:02:20,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:02:20,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:02:20,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:02:20,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:02:20,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:02:20,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:02:20,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:02:20,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:02:20,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:02:20,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:02:20,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:02:20,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:02:20,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:02:20,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:02:20,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:02:20,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:02:20,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:02:20,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:02:20,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:02:20,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:02:20,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:02:20,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:02:20,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:02:20,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:02:20,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:02:20,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:02:20,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:02:20,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:02:20,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:02:20,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:02:20,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:02:20,334 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:02:20,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:02:20,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:02:20,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:02:20,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:02:20,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:02:20,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:02:20,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:02:20,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:02:20,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:02:20,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:02:20,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:02:20,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:02:20,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:02:20,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:02:20,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:02:20,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:02:20,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:02:20,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:02:20,338 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:02:20,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:02:20,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:02:20,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:02:20,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d835cf94d1b164c94e454298c9901161d3451d2aec7fccfb9f6ea65c4976ed [2021-11-05 20:02:20,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:02:20,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:02:20,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:02:20,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:02:20,698 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:02:20,700 INFO L432 ainManager$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-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2021-11-05 20:02:20,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e7b5450/2a733a0a0e8b4b94add8cef1023293ec/FLAGefadffc1b [2021-11-05 20:02:21,467 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:02:21,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2021-11-05 20:02:21,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e7b5450/2a733a0a0e8b4b94add8cef1023293ec/FLAGefadffc1b [2021-11-05 20:02:22,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e7b5450/2a733a0a0e8b4b94add8cef1023293ec [2021-11-05 20:02:22,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:02:22,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:02:22,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:02:22,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:02:22,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:02:22,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:02:22" (1/1) ... [2021-11-05 20:02:22,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebc0c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:22, skipping insertion in model container [2021-11-05 20:02:22,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:02:22" (1/1) ... [2021-11-05 20:02:22,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:02:22,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:02:24,232 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-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327451,327464] [2021-11-05 20:02:24,235 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-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327596,327609] [2021-11-05 20:02:24,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:02:24,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:02:24,639 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-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327451,327464] [2021-11-05 20:02:24,639 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-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327596,327609] [2021-11-05 20:02:24,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:02:24,928 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:02:24,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24 WrapperNode [2021-11-05 20:02:24,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:02:24,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:02:24,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:02:24,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:02:24,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:25,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:25,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:02:25,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:02:25,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:02:25,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:02:25,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:25,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:25,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:25,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:26,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:26,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:26,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:26,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:02:26,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:02:26,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:02:26,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:02:26,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (1/1) ... [2021-11-05 20:02:26,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:02:26,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:02:26,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 20:02:26,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 20:02:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:02:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 20:02:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 20:02:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:02:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:02:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:02:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:02:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:02:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 20:02:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 20:02:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:02:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:02:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:02:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:02:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-05 20:02:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 20:03:17,372 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 20:03:17,373 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 20:03:17,373 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 20:03:17,373 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 20:03:17,404 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 20:03:17,404 INFO L299 CfgBuilder]: Removed 2955 assume(true) statements. [2021-11-05 20:03:17,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:03:17 BoogieIcfgContainer [2021-11-05 20:03:17,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 20:03:17,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 20:03:17,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 20:03:17,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 20:03:17,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:02:22" (1/3) ... [2021-11-05 20:03:17,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eafab28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:03:17, skipping insertion in model container [2021-11-05 20:03:17,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:02:24" (2/3) ... [2021-11-05 20:03:17,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eafab28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:03:17, skipping insertion in model container [2021-11-05 20:03:17,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:03:17" (3/3) ... [2021-11-05 20:03:17,417 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2021-11-05 20:03:17,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 20:03:17,422 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-11-05 20:03:17,474 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 20:03:17,480 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 20:03:17,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-11-05 20:03:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 3464 states, 3437 states have (on average 1.441664242071574) internal successors, (4955), 3463 states have internal predecessors, (4955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 20:03:17,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:17,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:17,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:17,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:17,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1108495404, now seen corresponding path program 1 times [2021-11-05 20:03:17,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:17,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547766313] [2021-11-05 20:03:17,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:17,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:03:18,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:18,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547766313] [2021-11-05 20:03:18,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547766313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:18,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:18,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:18,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984921776] [2021-11-05 20:03:18,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:18,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:18,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:18,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:18,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:18,599 INFO L87 Difference]: Start difference. First operand has 3464 states, 3437 states have (on average 1.441664242071574) internal successors, (4955), 3463 states have internal predecessors, (4955), 0 states have call successors, (0), 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 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:20,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:21,296 INFO L93 Difference]: Finished difference Result 10071 states and 14431 transitions. [2021-11-05 20:03:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:21,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2021-11-05 20:03:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:21,350 INFO L225 Difference]: With dead ends: 10071 [2021-11-05 20:03:21,351 INFO L226 Difference]: Without dead ends: 6441 [2021-11-05 20:03:21,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:21,369 INFO L933 BasicCegarLoop]: 4924 mSDtfsCounter, 4647 mSDsluCounter, 4916 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2270.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4647 SdHoareTripleChecker+Valid, 9840 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.94ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2389.25ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:21,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4647 Valid, 9840 Invalid, 16 Unknown, 0 Unchecked, 29.94ms Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2389.25ms Time] [2021-11-05 20:03:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6441 states. [2021-11-05 20:03:21,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6441 to 6385. [2021-11-05 20:03:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6385 states, 6358 states have (on average 1.4257628184963824) internal successors, (9065), 6384 states have internal predecessors, (9065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6385 states to 6385 states and 9065 transitions. [2021-11-05 20:03:21,623 INFO L78 Accepts]: Start accepts. Automaton has 6385 states and 9065 transitions. Word has length 59 [2021-11-05 20:03:21,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:21,624 INFO L470 AbstractCegarLoop]: Abstraction has 6385 states and 9065 transitions. [2021-11-05 20:03:21,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 6385 states and 9065 transitions. [2021-11-05 20:03:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 20:03:21,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:21,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:21,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 20:03:21,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:21,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:21,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1975101913, now seen corresponding path program 1 times [2021-11-05 20:03:21,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:21,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349526879] [2021-11-05 20:03:21,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:21,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:03:22,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:22,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349526879] [2021-11-05 20:03:22,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349526879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:22,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:22,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:22,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989127219] [2021-11-05 20:03:22,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:22,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:22,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:22,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:22,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:22,222 INFO L87 Difference]: Start difference. First operand 6385 states and 9065 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:24,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:24,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:24,968 INFO L93 Difference]: Finished difference Result 13881 states and 19724 transitions. [2021-11-05 20:03:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:24,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 [2021-11-05 20:03:24,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:24,999 INFO L225 Difference]: With dead ends: 13881 [2021-11-05 20:03:25,000 INFO L226 Difference]: Without dead ends: 7596 [2021-11-05 20:03:25,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:25,015 INFO L933 BasicCegarLoop]: 4646 mSDtfsCounter, 888 mSDsluCounter, 4617 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2440.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 9263 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.09ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2568.08ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:25,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [888 Valid, 9263 Invalid, 64 Unknown, 0 Unchecked, 10.09ms Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 2568.08ms Time] [2021-11-05 20:03:25,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7596 states. [2021-11-05 20:03:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7596 to 7572. [2021-11-05 20:03:25,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7572 states, 7545 states have (on average 1.4222664015904574) internal successors, (10731), 7571 states have internal predecessors, (10731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 10731 transitions. [2021-11-05 20:03:25,231 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 10731 transitions. Word has length 67 [2021-11-05 20:03:25,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:25,231 INFO L470 AbstractCegarLoop]: Abstraction has 7572 states and 10731 transitions. [2021-11-05 20:03:25,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 10731 transitions. [2021-11-05 20:03:25,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-05 20:03:25,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:25,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:25,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 20:03:25,235 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:25,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1052806731, now seen corresponding path program 1 times [2021-11-05 20:03:25,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:25,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809269506] [2021-11-05 20:03:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:25,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:03:25,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:25,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809269506] [2021-11-05 20:03:25,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809269506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:25,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:25,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:25,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880330861] [2021-11-05 20:03:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:25,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:25,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:25,630 INFO L87 Difference]: Start difference. First operand 7572 states and 10731 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:27,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:28,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:28,771 INFO L93 Difference]: Finished difference Result 20712 states and 29417 transitions. [2021-11-05 20:03:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:28,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 [2021-11-05 20:03:28,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:28,846 INFO L225 Difference]: With dead ends: 20712 [2021-11-05 20:03:28,846 INFO L226 Difference]: Without dead ends: 13240 [2021-11-05 20:03:28,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:28,870 INFO L933 BasicCegarLoop]: 4648 mSDtfsCounter, 3908 mSDsluCounter, 4549 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2668.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 9197 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.68ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2899.91ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:28,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3908 Valid, 9197 Invalid, 88 Unknown, 0 Unchecked, 12.68ms Time], IncrementalHoareTripleChecker [9 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 2899.91ms Time] [2021-11-05 20:03:28,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13240 states. [2021-11-05 20:03:29,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13240 to 13070. [2021-11-05 20:03:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13070 states, 13043 states have (on average 1.4265889749290808) internal successors, (18607), 13069 states have internal predecessors, (18607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13070 states to 13070 states and 18607 transitions. [2021-11-05 20:03:29,270 INFO L78 Accepts]: Start accepts. Automaton has 13070 states and 18607 transitions. Word has length 69 [2021-11-05 20:03:29,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:29,272 INFO L470 AbstractCegarLoop]: Abstraction has 13070 states and 18607 transitions. [2021-11-05 20:03:29,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:29,273 INFO L276 IsEmpty]: Start isEmpty. Operand 13070 states and 18607 transitions. [2021-11-05 20:03:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-05 20:03:29,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:29,276 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:29,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 20:03:29,276 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:29,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:29,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1285430771, now seen corresponding path program 1 times [2021-11-05 20:03:29,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:29,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486094424] [2021-11-05 20:03:29,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:29,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:03:29,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:29,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486094424] [2021-11-05 20:03:29,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486094424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:29,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:29,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:29,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567559497] [2021-11-05 20:03:29,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:29,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:29,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:29,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:29,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:29,795 INFO L87 Difference]: Start difference. First operand 13070 states and 18607 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) [2021-11-05 20:03:31,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:32,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:32,516 INFO L93 Difference]: Finished difference Result 38962 states and 55549 transitions. [2021-11-05 20:03:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:32,517 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 [2021-11-05 20:03:32,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:32,596 INFO L225 Difference]: With dead ends: 38962 [2021-11-05 20:03:32,597 INFO L226 Difference]: Without dead ends: 25992 [2021-11-05 20:03:32,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:32,633 INFO L933 BasicCegarLoop]: 4762 mSDtfsCounter, 4525 mSDsluCounter, 4644 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2226.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4525 SdHoareTripleChecker+Valid, 9406 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.40ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2332.03ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:32,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4525 Valid, 9406 Invalid, 21 Unknown, 0 Unchecked, 12.40ms Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2332.03ms Time] [2021-11-05 20:03:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25992 states. [2021-11-05 20:03:33,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25992 to 25890. [2021-11-05 20:03:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25890 states, 25863 states have (on average 1.428875227158489) internal successors, (36955), 25889 states have internal predecessors, (36955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25890 states to 25890 states and 36955 transitions. [2021-11-05 20:03:33,264 INFO L78 Accepts]: Start accepts. Automaton has 25890 states and 36955 transitions. Word has length 72 [2021-11-05 20:03:33,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:33,266 INFO L470 AbstractCegarLoop]: Abstraction has 25890 states and 36955 transitions. [2021-11-05 20:03:33,266 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) [2021-11-05 20:03:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 25890 states and 36955 transitions. [2021-11-05 20:03:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 20:03:33,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:33,270 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:33,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 20:03:33,270 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:33,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:33,271 INFO L85 PathProgramCache]: Analyzing trace with hash -255720582, now seen corresponding path program 1 times [2021-11-05 20:03:33,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:33,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005327612] [2021-11-05 20:03:33,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:33,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:03:33,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:33,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005327612] [2021-11-05 20:03:33,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005327612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:33,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:33,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:33,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112325313] [2021-11-05 20:03:33,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:33,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:33,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:33,639 INFO L87 Difference]: Start difference. First operand 25890 states and 36955 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:35,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:36,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:36,543 INFO L93 Difference]: Finished difference Result 77390 states and 110561 transitions. [2021-11-05 20:03:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:36,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-05 20:03:36,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:36,716 INFO L225 Difference]: With dead ends: 77390 [2021-11-05 20:03:36,716 INFO L226 Difference]: Without dead ends: 51600 [2021-11-05 20:03:36,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:36,776 INFO L933 BasicCegarLoop]: 8924 mSDtfsCounter, 4524 mSDsluCounter, 4646 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2228.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4524 SdHoareTripleChecker+Valid, 13570 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.67ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2314.05ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:36,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4524 Valid, 13570 Invalid, 19 Unknown, 0 Unchecked, 8.67ms Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2314.05ms Time] [2021-11-05 20:03:36,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51600 states. [2021-11-05 20:03:37,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51600 to 51482. [2021-11-05 20:03:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51482 states, 51455 states have (on average 1.4299679331454669) internal successors, (73579), 51481 states have internal predecessors, (73579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51482 states to 51482 states and 73579 transitions. [2021-11-05 20:03:38,013 INFO L78 Accepts]: Start accepts. Automaton has 51482 states and 73579 transitions. Word has length 82 [2021-11-05 20:03:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:38,014 INFO L470 AbstractCegarLoop]: Abstraction has 51482 states and 73579 transitions. [2021-11-05 20:03:38,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 51482 states and 73579 transitions. [2021-11-05 20:03:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-05 20:03:38,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:38,016 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:38,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 20:03:38,017 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:38,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:38,018 INFO L85 PathProgramCache]: Analyzing trace with hash 250718301, now seen corresponding path program 1 times [2021-11-05 20:03:38,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:38,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852935404] [2021-11-05 20:03:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:38,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-05 20:03:38,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:38,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852935404] [2021-11-05 20:03:38,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852935404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:38,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:38,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:38,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739158045] [2021-11-05 20:03:38,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:38,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:38,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:38,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:38,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:38,364 INFO L87 Difference]: Start difference. First operand 51482 states and 73579 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:40,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:41,795 INFO L93 Difference]: Finished difference Result 102909 states and 147100 transitions. [2021-11-05 20:03:41,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:41,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-05 20:03:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:41,944 INFO L225 Difference]: With dead ends: 102909 [2021-11-05 20:03:41,944 INFO L226 Difference]: Without dead ends: 51527 [2021-11-05 20:03:42,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:42,027 INFO L933 BasicCegarLoop]: 4652 mSDtfsCounter, 120 mSDsluCounter, 4563 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2276.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 9215 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.77ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2341.26ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:42,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 9215 Invalid, 28 Unknown, 0 Unchecked, 4.77ms Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 2341.26ms Time] [2021-11-05 20:03:42,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51527 states. [2021-11-05 20:03:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51527 to 51527. [2021-11-05 20:03:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51527 states, 51500 states have (on average 1.4296893203883496) internal successors, (73629), 51526 states have internal predecessors, (73629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51527 states to 51527 states and 73629 transitions. [2021-11-05 20:03:43,121 INFO L78 Accepts]: Start accepts. Automaton has 51527 states and 73629 transitions. Word has length 84 [2021-11-05 20:03:43,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:43,122 INFO L470 AbstractCegarLoop]: Abstraction has 51527 states and 73629 transitions. [2021-11-05 20:03:43,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 51527 states and 73629 transitions. [2021-11-05 20:03:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-05 20:03:43,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:43,127 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:43,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 20:03:43,128 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:43,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash -186016021, now seen corresponding path program 1 times [2021-11-05 20:03:43,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:43,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433218077] [2021-11-05 20:03:43,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:43,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-05 20:03:43,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:43,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433218077] [2021-11-05 20:03:43,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433218077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:43,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:43,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:43,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899968315] [2021-11-05 20:03:43,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:43,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:43,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:43,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:43,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:43,750 INFO L87 Difference]: Start difference. First operand 51527 states and 73629 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:45,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:47,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:47,327 INFO L93 Difference]: Finished difference Result 151875 states and 217699 transitions. [2021-11-05 20:03:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:47,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 116 [2021-11-05 20:03:47,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:47,606 INFO L225 Difference]: With dead ends: 151875 [2021-11-05 20:03:47,607 INFO L226 Difference]: Without dead ends: 100493 [2021-11-05 20:03:47,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.12ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:47,705 INFO L933 BasicCegarLoop]: 4820 mSDtfsCounter, 4445 mSDsluCounter, 4636 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2264.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4445 SdHoareTripleChecker+Valid, 9456 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.28ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2329.23ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:47,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4445 Valid, 9456 Invalid, 25 Unknown, 0 Unchecked, 7.28ms Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 2329.23ms Time] [2021-11-05 20:03:47,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100493 states. [2021-11-05 20:03:49,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100493 to 100439. [2021-11-05 20:03:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100439 states, 100412 states have (on average 1.435177070469665) internal successors, (144109), 100438 states have internal predecessors, (144109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100439 states to 100439 states and 144109 transitions. [2021-11-05 20:03:50,149 INFO L78 Accepts]: Start accepts. Automaton has 100439 states and 144109 transitions. Word has length 116 [2021-11-05 20:03:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:50,149 INFO L470 AbstractCegarLoop]: Abstraction has 100439 states and 144109 transitions. [2021-11-05 20:03:50,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 100439 states and 144109 transitions. [2021-11-05 20:03:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-05 20:03:50,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:50,154 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:50,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 20:03:50,155 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 707470317, now seen corresponding path program 1 times [2021-11-05 20:03:50,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:50,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732098875] [2021-11-05 20:03:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:50,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-05 20:03:50,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:50,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732098875] [2021-11-05 20:03:50,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732098875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:50,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:50,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:50,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986605022] [2021-11-05 20:03:50,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:50,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:50,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:50,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:50,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:50,523 INFO L87 Difference]: Start difference. First operand 100439 states and 144109 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:52,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:03:55,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:03:55,063 INFO L93 Difference]: Finished difference Result 249731 states and 358691 transitions. [2021-11-05 20:03:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:03:55,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 116 [2021-11-05 20:03:55,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:03:55,578 INFO L225 Difference]: With dead ends: 249731 [2021-11-05 20:03:55,579 INFO L226 Difference]: Without dead ends: 149010 [2021-11-05 20:03:55,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:55,702 INFO L933 BasicCegarLoop]: 9102 mSDtfsCounter, 4441 mSDsluCounter, 4640 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2283.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4441 SdHoareTripleChecker+Valid, 13742 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.76ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2361.92ms IncrementalHoareTripleChecker+Time [2021-11-05 20:03:55,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4441 Valid, 13742 Invalid, 26 Unknown, 0 Unchecked, 7.76ms Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2361.92ms Time] [2021-11-05 20:03:55,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149010 states. [2021-11-05 20:03:58,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149010 to 148956. [2021-11-05 20:03:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148956 states, 148929 states have (on average 1.4376514983649926) internal successors, (214108), 148955 states have internal predecessors, (214108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148956 states to 148956 states and 214108 transitions. [2021-11-05 20:03:58,784 INFO L78 Accepts]: Start accepts. Automaton has 148956 states and 214108 transitions. Word has length 116 [2021-11-05 20:03:58,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:03:58,784 INFO L470 AbstractCegarLoop]: Abstraction has 148956 states and 214108 transitions. [2021-11-05 20:03:58,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:03:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 148956 states and 214108 transitions. [2021-11-05 20:03:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-05 20:03:58,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:03:58,788 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:03:58,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 20:03:58,789 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:03:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:03:58,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1199430277, now seen corresponding path program 1 times [2021-11-05 20:03:58,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:03:58,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697372303] [2021-11-05 20:03:58,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:03:58,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:03:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:03:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 20:03:59,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:03:59,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697372303] [2021-11-05 20:03:59,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697372303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:03:59,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:03:59,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:03:59,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380196992] [2021-11-05 20:03:59,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:03:59,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:03:59,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:03:59,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:03:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:03:59,509 INFO L87 Difference]: Start difference. First operand 148956 states and 214108 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:04:01,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:04:04,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:04:04,909 INFO L93 Difference]: Finished difference Result 313072 states and 450037 transitions. [2021-11-05 20:04:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:04:04,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 117 [2021-11-05 20:04:04,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:04:05,278 INFO L225 Difference]: With dead ends: 313072 [2021-11-05 20:04:05,279 INFO L226 Difference]: Without dead ends: 164261 [2021-11-05 20:04:05,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:04:05,432 INFO L933 BasicCegarLoop]: 5547 mSDtfsCounter, 2393 mSDsluCounter, 3110 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2432.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 8657 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.82ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2518.03ms IncrementalHoareTripleChecker+Time [2021-11-05 20:04:05,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2393 Valid, 8657 Invalid, 62 Unknown, 0 Unchecked, 5.82ms Time], IncrementalHoareTripleChecker [10 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 2518.03ms Time] [2021-11-05 20:04:05,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164261 states. [2021-11-05 20:04:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164261 to 164108. [2021-11-05 20:04:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164108 states, 164081 states have (on average 1.4350656078400301) internal successors, (235467), 164107 states have internal predecessors, (235467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:04:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164108 states to 164108 states and 235467 transitions. [2021-11-05 20:04:09,133 INFO L78 Accepts]: Start accepts. Automaton has 164108 states and 235467 transitions. Word has length 117 [2021-11-05 20:04:09,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:04:09,134 INFO L470 AbstractCegarLoop]: Abstraction has 164108 states and 235467 transitions. [2021-11-05 20:04:09,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:04:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 164108 states and 235467 transitions. [2021-11-05 20:04:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-05 20:04:09,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:04:09,139 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:04:09,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 20:04:09,139 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-05 20:04:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:04:09,140 INFO L85 PathProgramCache]: Analyzing trace with hash -359945721, now seen corresponding path program 1 times [2021-11-05 20:04:09,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:04:09,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476308058] [2021-11-05 20:04:09,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:04:09,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:04:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:04:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-05 20:04:09,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:04:09,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476308058] [2021-11-05 20:04:09,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476308058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:04:09,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:04:09,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 20:04:09,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631001143] [2021-11-05 20:04:09,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:04:09,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:04:09,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:04:09,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:04:09,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:04:09,537 INFO L87 Difference]: Start difference. First operand 164108 states and 235467 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:04:13,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:04:13,324 INFO L93 Difference]: Finished difference Result 328071 states and 470772 transitions. [2021-11-05 20:04:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:04:13,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 130 [2021-11-05 20:04:13,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:04:13,709 INFO L225 Difference]: With dead ends: 328071 [2021-11-05 20:04:13,710 INFO L226 Difference]: Without dead ends: 164108 [2021-11-05 20:04:13,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:04:13,884 INFO L933 BasicCegarLoop]: 4605 mSDtfsCounter, 4527 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 182.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4527 SdHoareTripleChecker+Valid, 4605 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.49ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 195.33ms IncrementalHoareTripleChecker+Time [2021-11-05 20:04:13,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4527 Valid, 4605 Invalid, 53 Unknown, 0 Unchecked, 5.49ms Time], IncrementalHoareTripleChecker [26 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 195.33ms Time] [2021-11-05 20:04:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164108 states.