/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 15:44:04,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 15:44:04,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 15:44:04,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 15:44:04,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 15:44:04,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 15:44:04,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 15:44:04,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 15:44:04,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 15:44:04,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 15:44:04,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 15:44:04,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 15:44:04,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 15:44:04,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 15:44:04,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 15:44:04,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 15:44:04,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 15:44:04,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 15:44:04,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 15:44:04,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 15:44:04,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 15:44:04,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 15:44:04,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 15:44:04,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 15:44:04,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 15:44:04,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 15:44:04,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 15:44:04,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 15:44:04,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 15:44:04,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 15:44:04,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 15:44:04,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 15:44:04,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 15:44:04,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 15:44:04,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 15:44:04,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 15:44:04,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 15:44:04,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 15:44:04,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 15:44:04,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 15:44:04,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 15:44:04,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 15:44:04,490 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 15:44:04,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 15:44:04,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 15:44:04,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 15:44:04,495 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 15:44:04,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 15:44:04,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 15:44:04,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 15:44:04,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 15:44:04,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 15:44:04,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 15:44:04,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 15:44:04,501 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 15:44:04,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 15:44:04,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 15:44:04,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 15:44:04,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 15:44:04,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:44:04,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 15:44:04,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 15:44:04,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 15:44:04,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 15:44:04,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 15:44:04,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 15:44:04,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 15:44:04,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 15:44:04,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 15:44:04,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 15:44:05,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 15:44:05,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 15:44:05,005 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 15:44:05,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2020-12-22 15:44:05,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359f418de/cd983380e762481ab1bb677b08ae550c/FLAGf920655ef [2020-12-22 15:44:06,357 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 15:44:06,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2020-12-22 15:44:06,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359f418de/cd983380e762481ab1bb677b08ae550c/FLAGf920655ef [2020-12-22 15:44:06,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359f418de/cd983380e762481ab1bb677b08ae550c [2020-12-22 15:44:06,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 15:44:06,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 15:44:06,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 15:44:06,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 15:44:06,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 15:44:06,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:44:06" (1/1) ... [2020-12-22 15:44:06,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4f3daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:06, skipping insertion in model container [2020-12-22 15:44:06,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:44:06" (1/1) ... [2020-12-22 15:44:06,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 15:44:06,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 15:44:10,455 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2020-12-22 15:44:10,460 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2020-12-22 15:44:10,461 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2020-12-22 15:44:10,462 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2020-12-22 15:44:10,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:44:10,605 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 15:44:11,184 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2020-12-22 15:44:11,185 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2020-12-22 15:44:11,185 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2020-12-22 15:44:11,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2020-12-22 15:44:11,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:44:12,541 INFO L208 MainTranslator]: Completed translation [2020-12-22 15:44:12,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12 WrapperNode [2020-12-22 15:44:12,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 15:44:12,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 15:44:12,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 15:44:12,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 15:44:12,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:12,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:17,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 15:44:17,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 15:44:17,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 15:44:17,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 15:44:17,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:17,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:18,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:18,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:20,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:21,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:21,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... [2020-12-22 15:44:22,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 15:44:22,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 15:44:22,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 15:44:22,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 15:44:22,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:44:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 15:44:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 15:44:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 15:44:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 15:44:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 15:44:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 15:44:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 15:44:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 15:44:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 15:44:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 15:44:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 15:44:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 15:44:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 15:44:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 15:44:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 15:47:08,067 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 15:47:08,067 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2020-12-22 15:47:08,068 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 15:47:08,068 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 15:47:08,070 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2020-12-22 15:47:08,074 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 15:47:08,074 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 15:47:08,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 15:47:08,183 INFO L299 CfgBuilder]: Removed 18405 assume(true) statements. [2020-12-22 15:47:08,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:08 BoogieIcfgContainer [2020-12-22 15:47:08,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 15:47:08,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 15:47:08,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 15:47:08,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 15:47:08,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:44:06" (1/3) ... [2020-12-22 15:47:08,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661a827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:08, skipping insertion in model container [2020-12-22 15:47:08,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:44:12" (2/3) ... [2020-12-22 15:47:08,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661a827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:08, skipping insertion in model container [2020-12-22 15:47:08,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:08" (3/3) ... [2020-12-22 15:47:08,214 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2020-12-22 15:47:08,222 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 15:47:08,234 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 34 error locations. [2020-12-22 15:47:08,256 INFO L253 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2020-12-22 15:47:08,350 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 15:47:08,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 15:47:08,351 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 15:47:08,351 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 15:47:08,351 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 15:47:08,351 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 15:47:08,351 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 15:47:08,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 15:47:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 18946 states. [2020-12-22 15:47:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-22 15:47:08,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:08,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:47:08,839 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:08,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:08,859 INFO L82 PathProgramCache]: Analyzing trace with hash -2049477516, now seen corresponding path program 1 times [2020-12-22 15:47:08,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:08,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692704346] [2020-12-22 15:47:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:47:09,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692704346] [2020-12-22 15:47:09,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:09,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:47:09,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656059733] [2020-12-22 15:47:09,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:47:09,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:09,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:47:09,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:09,887 INFO L87 Difference]: Start difference. First operand 18946 states. Second operand 3 states. [2020-12-22 15:47:13,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:13,682 INFO L93 Difference]: Finished difference Result 56167 states and 77717 transitions. [2020-12-22 15:47:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:47:13,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-22 15:47:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:13,918 INFO L225 Difference]: With dead ends: 56167 [2020-12-22 15:47:13,919 INFO L226 Difference]: Without dead ends: 35043 [2020-12-22 15:47:13,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35043 states. [2020-12-22 15:47:15,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35043 to 35011. [2020-12-22 15:47:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35011 states. [2020-12-22 15:47:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35011 states to 35011 states and 46952 transitions. [2020-12-22 15:47:15,972 INFO L78 Accepts]: Start accepts. Automaton has 35011 states and 46952 transitions. Word has length 80 [2020-12-22 15:47:15,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:47:15,976 INFO L481 AbstractCegarLoop]: Abstraction has 35011 states and 46952 transitions. [2020-12-22 15:47:15,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:47:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 35011 states and 46952 transitions. [2020-12-22 15:47:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 15:47:15,987 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:15,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:47:15,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 15:47:15,988 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:15,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2061509344, now seen corresponding path program 1 times [2020-12-22 15:47:15,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:15,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107858756] [2020-12-22 15:47:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:47:16,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107858756] [2020-12-22 15:47:16,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:16,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:47:16,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962162585] [2020-12-22 15:47:16,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:47:16,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:16,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:47:16,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:16,412 INFO L87 Difference]: Start difference. First operand 35011 states and 46952 transitions. Second operand 3 states. [2020-12-22 15:47:20,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:20,155 INFO L93 Difference]: Finished difference Result 62186 states and 83347 transitions. [2020-12-22 15:47:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:47:20,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-22 15:47:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:20,239 INFO L225 Difference]: With dead ends: 62186 [2020-12-22 15:47:20,239 INFO L226 Difference]: Without dead ends: 27331 [2020-12-22 15:47:20,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:20,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27331 states. [2020-12-22 15:47:21,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27331 to 27215. [2020-12-22 15:47:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27215 states. [2020-12-22 15:47:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27215 states to 27215 states and 36437 transitions. [2020-12-22 15:47:21,210 INFO L78 Accepts]: Start accepts. Automaton has 27215 states and 36437 transitions. Word has length 85 [2020-12-22 15:47:21,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:47:21,213 INFO L481 AbstractCegarLoop]: Abstraction has 27215 states and 36437 transitions. [2020-12-22 15:47:21,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:47:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 27215 states and 36437 transitions. [2020-12-22 15:47:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-22 15:47:21,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:21,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:47:21,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 15:47:21,219 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:21,224 INFO L82 PathProgramCache]: Analyzing trace with hash -2090854963, now seen corresponding path program 1 times [2020-12-22 15:47:21,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:21,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926789654] [2020-12-22 15:47:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:47:21,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926789654] [2020-12-22 15:47:21,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:21,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:47:21,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988544373] [2020-12-22 15:47:21,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:47:21,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:21,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:47:21,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:21,665 INFO L87 Difference]: Start difference. First operand 27215 states and 36437 transitions. Second operand 3 states. [2020-12-22 15:47:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:24,630 INFO L93 Difference]: Finished difference Result 46568 states and 62345 transitions. [2020-12-22 15:47:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:47:24,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-22 15:47:24,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:24,683 INFO L225 Difference]: With dead ends: 46568 [2020-12-22 15:47:24,683 INFO L226 Difference]: Without dead ends: 19509 [2020-12-22 15:47:24,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19509 states. [2020-12-22 15:47:25,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19509 to 19509. [2020-12-22 15:47:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19509 states. [2020-12-22 15:47:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19509 states to 19509 states and 26077 transitions. [2020-12-22 15:47:25,422 INFO L78 Accepts]: Start accepts. Automaton has 19509 states and 26077 transitions. Word has length 101 [2020-12-22 15:47:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:47:25,425 INFO L481 AbstractCegarLoop]: Abstraction has 19509 states and 26077 transitions. [2020-12-22 15:47:25,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:47:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 19509 states and 26077 transitions. [2020-12-22 15:47:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 15:47:25,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:25,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:47:25,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 15:47:25,437 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:25,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:25,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1626535749, now seen corresponding path program 1 times [2020-12-22 15:47:25,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:25,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901915758] [2020-12-22 15:47:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:47:25,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901915758] [2020-12-22 15:47:25,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:25,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:47:25,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163788911] [2020-12-22 15:47:25,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:47:25,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:25,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:47:25,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:25,961 INFO L87 Difference]: Start difference. First operand 19509 states and 26077 transitions. Second operand 3 states. [2020-12-22 15:47:29,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:29,122 INFO L93 Difference]: Finished difference Result 51662 states and 69130 transitions. [2020-12-22 15:47:29,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:47:29,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-22 15:47:29,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:29,225 INFO L225 Difference]: With dead ends: 51662 [2020-12-22 15:47:29,226 INFO L226 Difference]: Without dead ends: 32309 [2020-12-22 15:47:29,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:29,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32309 states. [2020-12-22 15:47:30,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32309 to 32179. [2020-12-22 15:47:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32179 states. [2020-12-22 15:47:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32179 states to 32179 states and 43075 transitions. [2020-12-22 15:47:30,505 INFO L78 Accepts]: Start accepts. Automaton has 32179 states and 43075 transitions. Word has length 111 [2020-12-22 15:47:30,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:47:30,507 INFO L481 AbstractCegarLoop]: Abstraction has 32179 states and 43075 transitions. [2020-12-22 15:47:30,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:47:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32179 states and 43075 transitions. [2020-12-22 15:47:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-22 15:47:30,513 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:30,514 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:47:30,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 15:47:30,514 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:30,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1227260858, now seen corresponding path program 1 times [2020-12-22 15:47:30,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:30,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166339694] [2020-12-22 15:47:30,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:47:30,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166339694] [2020-12-22 15:47:30,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:30,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:47:30,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699596170] [2020-12-22 15:47:30,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:47:30,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:30,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:47:30,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:30,859 INFO L87 Difference]: Start difference. First operand 32179 states and 43075 transitions. Second operand 3 states. [2020-12-22 15:47:34,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:34,818 INFO L93 Difference]: Finished difference Result 94285 states and 126428 transitions. [2020-12-22 15:47:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:47:34,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-22 15:47:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:34,981 INFO L225 Difference]: With dead ends: 94285 [2020-12-22 15:47:34,982 INFO L226 Difference]: Without dead ends: 62887 [2020-12-22 15:47:35,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:47:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62887 states. [2020-12-22 15:47:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62887 to 62830. [2020-12-22 15:47:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62830 states. [2020-12-22 15:47:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62830 states to 62830 states and 84278 transitions. [2020-12-22 15:47:37,159 INFO L78 Accepts]: Start accepts. Automaton has 62830 states and 84278 transitions. Word has length 113 [2020-12-22 15:47:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:47:37,159 INFO L481 AbstractCegarLoop]: Abstraction has 62830 states and 84278 transitions. [2020-12-22 15:47:37,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:47:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 62830 states and 84278 transitions. [2020-12-22 15:47:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-22 15:47:37,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:37,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-12-22 15:47:37,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 15:47:37,165 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:37,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:37,165 INFO L82 PathProgramCache]: Analyzing trace with hash -889535854, now seen corresponding path program 1 times [2020-12-22 15:47:37,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:37,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557825792] [2020-12-22 15:47:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-22 15:47:38,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557825792] [2020-12-22 15:47:38,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:38,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:47:38,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287006041] [2020-12-22 15:47:38,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:47:38,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:38,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:47:38,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:47:38,168 INFO L87 Difference]: Start difference. First operand 62830 states and 84278 transitions. Second operand 4 states. [2020-12-22 15:47:40,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:40,463 INFO L93 Difference]: Finished difference Result 62830 states and 84278 transitions. [2020-12-22 15:47:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:47:40,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2020-12-22 15:47:40,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:40,587 INFO L225 Difference]: With dead ends: 62830 [2020-12-22 15:47:40,588 INFO L226 Difference]: Without dead ends: 62824 [2020-12-22 15:47:40,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:47:40,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62824 states. [2020-12-22 15:47:42,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62824 to 62824. [2020-12-22 15:47:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62824 states. [2020-12-22 15:47:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62824 states to 62824 states and 84272 transitions. [2020-12-22 15:47:42,615 INFO L78 Accepts]: Start accepts. Automaton has 62824 states and 84272 transitions. Word has length 113 [2020-12-22 15:47:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:47:42,616 INFO L481 AbstractCegarLoop]: Abstraction has 62824 states and 84272 transitions. [2020-12-22 15:47:42,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:47:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 62824 states and 84272 transitions. [2020-12-22 15:47:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-22 15:47:42,620 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:47:42,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-12-22 15:47:42,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 15:47:42,621 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:47:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:47:42,622 INFO L82 PathProgramCache]: Analyzing trace with hash -145309259, now seen corresponding path program 1 times [2020-12-22 15:47:42,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:47:42,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493449677] [2020-12-22 15:47:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:47:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:47:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-22 15:47:43,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493449677] [2020-12-22 15:47:43,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:47:43,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:47:43,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848208769] [2020-12-22 15:47:43,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:47:43,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:47:43,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:47:43,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:47:43,420 INFO L87 Difference]: Start difference. First operand 62824 states and 84272 transitions. Second operand 4 states. [2020-12-22 15:47:45,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:47:45,500 INFO L93 Difference]: Finished difference Result 62824 states and 84272 transitions. [2020-12-22 15:47:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:47:45,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2020-12-22 15:47:45,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:47:45,587 INFO L225 Difference]: With dead ends: 62824 [2020-12-22 15:47:45,587 INFO L226 Difference]: Without dead ends: 62818 [2020-12-22 15:47:45,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:47:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62818 states.