/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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:54:25,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:54:25,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:54:25,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:54:25,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:54:25,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:54:25,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:54:25,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:54:25,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:54:25,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:54:25,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:54:25,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:54:25,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:54:25,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:54:25,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:54:25,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:54:25,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:54:25,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:54:25,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:54:25,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:54:25,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:54:25,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:54:25,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:54:25,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:54:25,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:54:25,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:54:25,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:54:25,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:54:25,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:54:25,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:54:25,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:54:25,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:54:25,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:54:25,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:54:25,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:54:25,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:54:25,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:54:25,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:54:25,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:54:25,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:54:25,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:54:25,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:54:25,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:54:25,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:54:25,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:54:25,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:54:25,335 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:54:25,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:54:25,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:54:25,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:54:25,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:54:25,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:54:25,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:54:25,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:54:25,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:54:25,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:54:25,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:54:25,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:54:25,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:54:25,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:54:25,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:54:25,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:54:25,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:54:25,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:54:25,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:54:25,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:54:25,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:54:25,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:54:25,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:54:25,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:54:25,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:54:25,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:54:25,833 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:54:25,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2020-12-22 16:54:25,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04408876/820b68289a8944cb84ebe9cdd962a531/FLAG1c047c80c [2020-12-22 16:54:27,101 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:54:27,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2020-12-22 16:54:27,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04408876/820b68289a8944cb84ebe9cdd962a531/FLAG1c047c80c [2020-12-22 16:54:27,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04408876/820b68289a8944cb84ebe9cdd962a531 [2020-12-22 16:54:27,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:54:27,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:54:27,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:54:27,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:54:27,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:54:27,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:54:27" (1/1) ... [2020-12-22 16:54:27,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768b15c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:27, skipping insertion in model container [2020-12-22 16:54:27,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:54:27" (1/1) ... [2020-12-22 16:54:27,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:54:27,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:54:32,682 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2020-12-22 16:54:32,691 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2020-12-22 16:54:32,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:54:32,750 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:54:33,357 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2020-12-22 16:54:33,358 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2020-12-22 16:54:33,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:54:34,838 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:54:34,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34 WrapperNode [2020-12-22 16:54:34,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:54:34,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:54:34,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:54:34,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:54:34,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:35,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:39,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 16:54:39,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 16:54:39,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 16:54:39,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 16:54:39,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:39,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:40,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:40,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:43,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:43,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:44,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (1/1) ... [2020-12-22 16:54:45,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 16:54:45,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 16:54:45,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 16:54:45,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 16:54:45,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (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 16:54:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 16:54:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 16:54:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 16:54:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 16:54:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 16:54:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 16:54:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 16:54:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 16:54:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2020-12-22 16:54:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2020-12-22 16:54:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 16:54:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 16:54:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 16:54:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 16:54:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 16:54:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 16:54:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2020-12-22 16:54:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2020-12-22 16:54:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 16:55:58,700 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2020-12-22 16:55:58,701 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 16:55:58,702 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2020-12-22 16:55:58,702 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 16:55:58,702 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2020-12-22 16:55:58,702 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 16:55:58,705 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2020-12-22 16:55:58,706 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 16:55:58,707 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 16:55:58,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 16:55:58,934 INFO L299 CfgBuilder]: Removed 24635 assume(true) statements. [2020-12-22 16:55:58,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:55:58 BoogieIcfgContainer [2020-12-22 16:55:58,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 16:55:58,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 16:55:58,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 16:55:58,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 16:55:58,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:54:27" (1/3) ... [2020-12-22 16:55:58,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e9f1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:55:58, skipping insertion in model container [2020-12-22 16:55:58,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:54:34" (2/3) ... [2020-12-22 16:55:58,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e9f1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:55:58, skipping insertion in model container [2020-12-22 16:55:58,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:55:58" (3/3) ... [2020-12-22 16:55:58,962 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2020-12-22 16:55:58,968 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 16:55:58,978 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-12-22 16:55:58,996 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-12-22 16:55:59,077 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 16:55:59,077 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 16:55:59,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 16:55:59,078 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 16:55:59,078 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 16:55:59,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 16:55:59,078 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 16:55:59,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 16:55:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 18863 states. [2020-12-22 16:55:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-22 16:55:59,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:55:59,319 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] [2020-12-22 16:55:59,320 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:55:59,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:55:59,327 INFO L82 PathProgramCache]: Analyzing trace with hash -900611428, now seen corresponding path program 1 times [2020-12-22 16:55:59,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:55:59,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822603243] [2020-12-22 16:55:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:00,666 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 16:56:00,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822603243] [2020-12-22 16:56:00,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:00,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:00,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632424081] [2020-12-22 16:56:00,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:00,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:00,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:00,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:00,694 INFO L87 Difference]: Start difference. First operand 18863 states. Second operand 3 states. [2020-12-22 16:56:04,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:04,302 INFO L93 Difference]: Finished difference Result 46488 states and 60793 transitions. [2020-12-22 16:56:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:04,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-22 16:56:04,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:04,474 INFO L225 Difference]: With dead ends: 46488 [2020-12-22 16:56:04,474 INFO L226 Difference]: Without dead ends: 26481 [2020-12-22 16:56:04,523 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 16:56:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26481 states. [2020-12-22 16:56:05,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26481 to 26449. [2020-12-22 16:56:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26449 states. [2020-12-22 16:56:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26449 states to 26449 states and 33474 transitions. [2020-12-22 16:56:05,641 INFO L78 Accepts]: Start accepts. Automaton has 26449 states and 33474 transitions. Word has length 78 [2020-12-22 16:56:05,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:05,645 INFO L481 AbstractCegarLoop]: Abstraction has 26449 states and 33474 transitions. [2020-12-22 16:56:05,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 26449 states and 33474 transitions. [2020-12-22 16:56:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-22 16:56:05,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:05,656 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] [2020-12-22 16:56:05,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 16:56:05,657 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:05,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:05,659 INFO L82 PathProgramCache]: Analyzing trace with hash 735125227, now seen corresponding path program 1 times [2020-12-22 16:56:05,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:05,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020929263] [2020-12-22 16:56:05,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:06,183 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 16:56:06,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020929263] [2020-12-22 16:56:06,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:06,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:06,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923144083] [2020-12-22 16:56:06,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:06,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:06,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:06,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:06,191 INFO L87 Difference]: Start difference. First operand 26449 states and 33474 transitions. Second operand 3 states. [2020-12-22 16:56:09,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:09,824 INFO L93 Difference]: Finished difference Result 62696 states and 79491 transitions. [2020-12-22 16:56:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:09,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-22 16:56:09,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:09,967 INFO L225 Difference]: With dead ends: 62696 [2020-12-22 16:56:09,967 INFO L226 Difference]: Without dead ends: 36371 [2020-12-22 16:56:10,018 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 16:56:10,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36371 states. [2020-12-22 16:56:11,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36371 to 36327. [2020-12-22 16:56:11,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36327 states. [2020-12-22 16:56:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36327 states to 36327 states and 46100 transitions. [2020-12-22 16:56:11,434 INFO L78 Accepts]: Start accepts. Automaton has 36327 states and 46100 transitions. Word has length 105 [2020-12-22 16:56:11,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:11,437 INFO L481 AbstractCegarLoop]: Abstraction has 36327 states and 46100 transitions. [2020-12-22 16:56:11,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36327 states and 46100 transitions. [2020-12-22 16:56:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 16:56:11,445 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:11,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:11,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 16:56:11,448 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:11,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1816046720, now seen corresponding path program 1 times [2020-12-22 16:56:11,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:11,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314869822] [2020-12-22 16:56:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 16:56:11,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314869822] [2020-12-22 16:56:11,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:11,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:11,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072004852] [2020-12-22 16:56:11,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:11,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:11,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:11,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:11,958 INFO L87 Difference]: Start difference. First operand 36327 states and 46100 transitions. Second operand 3 states. [2020-12-22 16:56:15,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:15,679 INFO L93 Difference]: Finished difference Result 81325 states and 103168 transitions. [2020-12-22 16:56:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:15,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-22 16:56:15,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:15,809 INFO L225 Difference]: With dead ends: 81325 [2020-12-22 16:56:15,810 INFO L226 Difference]: Without dead ends: 45122 [2020-12-22 16:56:15,887 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 16:56:15,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45122 states. [2020-12-22 16:56:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45122 to 45086. [2020-12-22 16:56:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45086 states. [2020-12-22 16:56:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45086 states to 45086 states and 57155 transitions. [2020-12-22 16:56:17,206 INFO L78 Accepts]: Start accepts. Automaton has 45086 states and 57155 transitions. Word has length 112 [2020-12-22 16:56:17,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:17,207 INFO L481 AbstractCegarLoop]: Abstraction has 45086 states and 57155 transitions. [2020-12-22 16:56:17,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 45086 states and 57155 transitions. [2020-12-22 16:56:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-22 16:56:17,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:17,219 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:17,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 16:56:17,220 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:17,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:17,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1934852224, now seen corresponding path program 1 times [2020-12-22 16:56:17,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:17,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383584594] [2020-12-22 16:56:17,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 16:56:17,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383584594] [2020-12-22 16:56:17,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:17,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:17,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002122588] [2020-12-22 16:56:17,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:17,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:17,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:17,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:17,574 INFO L87 Difference]: Start difference. First operand 45086 states and 57155 transitions. Second operand 3 states. [2020-12-22 16:56:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:20,787 INFO L93 Difference]: Finished difference Result 90226 states and 114396 transitions. [2020-12-22 16:56:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:20,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-22 16:56:20,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:20,902 INFO L225 Difference]: With dead ends: 90226 [2020-12-22 16:56:20,902 INFO L226 Difference]: Without dead ends: 45264 [2020-12-22 16:56:20,966 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 16:56:21,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45264 states. [2020-12-22 16:56:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45264 to 45264. [2020-12-22 16:56:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45264 states. [2020-12-22 16:56:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45264 states to 45264 states and 57376 transitions. [2020-12-22 16:56:22,730 INFO L78 Accepts]: Start accepts. Automaton has 45264 states and 57376 transitions. Word has length 117 [2020-12-22 16:56:22,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:22,734 INFO L481 AbstractCegarLoop]: Abstraction has 45264 states and 57376 transitions. [2020-12-22 16:56:22,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 45264 states and 57376 transitions. [2020-12-22 16:56:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-22 16:56:22,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:22,755 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:22,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 16:56:22,756 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:22,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1712842836, now seen corresponding path program 1 times [2020-12-22 16:56:22,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:22,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444906859] [2020-12-22 16:56:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 16:56:23,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444906859] [2020-12-22 16:56:23,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:23,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:23,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135470227] [2020-12-22 16:56:23,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:23,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:23,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:23,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:23,188 INFO L87 Difference]: Start difference. First operand 45264 states and 57376 transitions. Second operand 3 states. [2020-12-22 16:56:27,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:27,360 INFO L93 Difference]: Finished difference Result 134992 states and 171182 transitions. [2020-12-22 16:56:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:27,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-12-22 16:56:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:27,567 INFO L225 Difference]: With dead ends: 134992 [2020-12-22 16:56:27,567 INFO L226 Difference]: Without dead ends: 90030 [2020-12-22 16:56:27,639 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 16:56:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90030 states. [2020-12-22 16:56:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90030 to 89970. [2020-12-22 16:56:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89970 states. [2020-12-22 16:56:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89970 states to 89970 states and 114118 transitions. [2020-12-22 16:56:30,468 INFO L78 Accepts]: Start accepts. Automaton has 89970 states and 114118 transitions. Word has length 148 [2020-12-22 16:56:30,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:30,468 INFO L481 AbstractCegarLoop]: Abstraction has 89970 states and 114118 transitions. [2020-12-22 16:56:30,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 89970 states and 114118 transitions. [2020-12-22 16:56:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-22 16:56:30,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:30,481 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:30,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 16:56:30,482 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:30,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1220216662, now seen corresponding path program 1 times [2020-12-22 16:56:30,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:30,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168770083] [2020-12-22 16:56:30,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 16:56:31,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168770083] [2020-12-22 16:56:31,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:31,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:31,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269922650] [2020-12-22 16:56:31,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:31,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:31,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:31,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:31,301 INFO L87 Difference]: Start difference. First operand 89970 states and 114118 transitions. Second operand 3 states. [2020-12-22 16:56:35,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:35,956 INFO L93 Difference]: Finished difference Result 224410 states and 284672 transitions. [2020-12-22 16:56:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:35,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-12-22 16:56:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:36,269 INFO L225 Difference]: With dead ends: 224410 [2020-12-22 16:56:36,269 INFO L226 Difference]: Without dead ends: 134523 [2020-12-22 16:56:36,401 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 16:56:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134523 states. [2020-12-22 16:56:40,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134523 to 134463. [2020-12-22 16:56:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134463 states. [2020-12-22 16:56:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134463 states to 134463 states and 170594 transitions. [2020-12-22 16:56:40,553 INFO L78 Accepts]: Start accepts. Automaton has 134463 states and 170594 transitions. Word has length 148 [2020-12-22 16:56:40,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:40,553 INFO L481 AbstractCegarLoop]: Abstraction has 134463 states and 170594 transitions. [2020-12-22 16:56:40,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 134463 states and 170594 transitions. [2020-12-22 16:56:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-22 16:56:40,566 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:40,566 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:56:40,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 16:56:40,567 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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:40,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:40,567 INFO L82 PathProgramCache]: Analyzing trace with hash -465666424, now seen corresponding path program 1 times [2020-12-22 16:56:40,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:40,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399859681] [2020-12-22 16:56:40,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 16:56:41,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399859681] [2020-12-22 16:56:41,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:41,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:56:41,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187554822] [2020-12-22 16:56:41,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:41,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:41,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:41,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:41,005 INFO L87 Difference]: Start difference. First operand 134463 states and 170594 transitions. Second operand 3 states. [2020-12-22 16:56:46,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:46,165 INFO L93 Difference]: Finished difference Result 294777 states and 373886 transitions. [2020-12-22 16:56:46,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:46,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-12-22 16:56:46,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:46,469 INFO L225 Difference]: With dead ends: 294777 [2020-12-22 16:56:46,470 INFO L226 Difference]: Without dead ends: 160447 [2020-12-22 16:56:46,880 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 16:56:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160447 states. [2020-12-22 16:56:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160447 to 160411. [2020-12-22 16:56:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160411 states. [2020-12-22 16:56:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160411 states to 160411 states and 203348 transitions. [2020-12-22 16:56:50,630 INFO L78 Accepts]: Start accepts. Automaton has 160411 states and 203348 transitions. Word has length 151 [2020-12-22 16:56:50,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:56:50,630 INFO L481 AbstractCegarLoop]: Abstraction has 160411 states and 203348 transitions. [2020-12-22 16:56:50,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:56:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 160411 states and 203348 transitions. [2020-12-22 16:56:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-22 16:56:50,643 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:56:50,643 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:56:50,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 16:56:50,643 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:56:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:56:50,644 INFO L82 PathProgramCache]: Analyzing trace with hash -443034170, now seen corresponding path program 1 times [2020-12-22 16:56:50,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:56:50,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397809811] [2020-12-22 16:56:50,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:56:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:56:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-22 16:56:51,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397809811] [2020-12-22 16:56:51,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:56:51,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 16:56:51,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995091510] [2020-12-22 16:56:51,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:56:51,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:56:51,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:56:51,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:56:51,557 INFO L87 Difference]: Start difference. First operand 160411 states and 203348 transitions. Second operand 3 states. [2020-12-22 16:56:55,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:56:55,232 INFO L93 Difference]: Finished difference Result 320520 states and 406336 transitions. [2020-12-22 16:56:55,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:56:55,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-12-22 16:56:55,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:56:55,553 INFO L225 Difference]: With dead ends: 320520 [2020-12-22 16:56:55,554 INFO L226 Difference]: Without dead ends: 160411 [2020-12-22 16:56:55,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 16:56:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160411 states. [2020-12-22 16:56:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160411 to 160411. [2020-12-22 16:56:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160411 states. [2020-12-22 16:57:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160411 states to 160411 states and 203084 transitions. [2020-12-22 16:57:00,022 INFO L78 Accepts]: Start accepts. Automaton has 160411 states and 203084 transitions. Word has length 151 [2020-12-22 16:57:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:57:00,023 INFO L481 AbstractCegarLoop]: Abstraction has 160411 states and 203084 transitions. [2020-12-22 16:57:00,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:57:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 160411 states and 203084 transitions. [2020-12-22 16:57:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-12-22 16:57:00,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:57:00,034 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:57:00,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 16:57:00,035 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:57:00,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:57:00,035 INFO L82 PathProgramCache]: Analyzing trace with hash -849188395, now seen corresponding path program 1 times [2020-12-22 16:57:00,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:57:00,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482900605] [2020-12-22 16:57:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:57:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:57:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-22 16:57:00,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482900605] [2020-12-22 16:57:00,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:57:00,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:57:00,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34659914] [2020-12-22 16:57:00,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:57:00,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:57:00,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:57:00,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:57:00,491 INFO L87 Difference]: Start difference. First operand 160411 states and 203084 transitions. Second operand 4 states. [2020-12-22 16:57:06,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:57:06,912 INFO L93 Difference]: Finished difference Result 320520 states and 405808 transitions. [2020-12-22 16:57:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:57:06,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-12-22 16:57:06,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:57:07,532 INFO L225 Difference]: With dead ends: 320520 [2020-12-22 16:57:07,532 INFO L226 Difference]: Without dead ends: 160411 [2020-12-22 16:57:07,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 16:57:07,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160411 states. [2020-12-22 16:57:13,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160411 to 160411. [2020-12-22 16:57:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160411 states. [2020-12-22 16:57:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160411 states to 160411 states and 202820 transitions. [2020-12-22 16:57:13,977 INFO L78 Accepts]: Start accepts. Automaton has 160411 states and 202820 transitions. Word has length 152 [2020-12-22 16:57:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:57:13,978 INFO L481 AbstractCegarLoop]: Abstraction has 160411 states and 202820 transitions. [2020-12-22 16:57:13,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:57:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 160411 states and 202820 transitions. [2020-12-22 16:57:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 16:57:14,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:57:14,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:57:14,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 16:57:14,005 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:57:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:57:14,006 INFO L82 PathProgramCache]: Analyzing trace with hash -554918527, now seen corresponding path program 1 times [2020-12-22 16:57:14,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:57:14,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047232559] [2020-12-22 16:57:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:57:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:57:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-22 16:57:14,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047232559] [2020-12-22 16:57:14,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:57:14,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:57:14,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181540768] [2020-12-22 16:57:14,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:57:14,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:57:14,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:57:14,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:57:14,453 INFO L87 Difference]: Start difference. First operand 160411 states and 202820 transitions. Second operand 4 states. [2020-12-22 16:57:20,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:57:20,456 INFO L93 Difference]: Finished difference Result 320520 states and 405280 transitions. [2020-12-22 16:57:20,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:57:20,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2020-12-22 16:57:20,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:57:20,740 INFO L225 Difference]: With dead ends: 320520 [2020-12-22 16:57:20,740 INFO L226 Difference]: Without dead ends: 160411 [2020-12-22 16:57:21,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 16:57:21,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160411 states. [2020-12-22 16:57:25,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160411 to 160411. [2020-12-22 16:57:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160411 states. [2020-12-22 16:57:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160411 states to 160411 states and 202556 transitions. [2020-12-22 16:57:26,239 INFO L78 Accepts]: Start accepts. Automaton has 160411 states and 202556 transitions. Word has length 153 [2020-12-22 16:57:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:57:26,239 INFO L481 AbstractCegarLoop]: Abstraction has 160411 states and 202556 transitions. [2020-12-22 16:57:26,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:57:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 160411 states and 202556 transitions. [2020-12-22 16:57:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-22 16:57:26,247 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:57:26,248 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:57:26,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 16:57:26,248 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_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.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:57:26,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:57:26,249 INFO L82 PathProgramCache]: Analyzing trace with hash -22338256, now seen corresponding path program 1 times [2020-12-22 16:57:26,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:57:26,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263855516] [2020-12-22 16:57:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:57:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:57:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-22 16:57:26,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263855516] [2020-12-22 16:57:26,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:57:26,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:57:26,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340232759] [2020-12-22 16:57:26,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:57:26,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:57:26,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:57:26,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:57:26,989 INFO L87 Difference]: Start difference. First operand 160411 states and 202556 transitions. Second operand 4 states.