/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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:03:42,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:03:42,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:03:42,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:03:42,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:03:42,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:03:42,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:03:42,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:03:42,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:03:42,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:03:42,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:03:42,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:03:42,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:03:42,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:03:42,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:03:42,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:03:42,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:03:42,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:03:42,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:03:42,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:03:42,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:03:42,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:03:42,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:03:42,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:03:42,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:03:42,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:03:42,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:03:42,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:03:42,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:03:42,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:03:42,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:03:42,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:03:42,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:03:42,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:03:42,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:03:42,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:03:42,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:03:42,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:03:42,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:03:42,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:03:42,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:03:42,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:03:42,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:03:42,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:03:42,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:03:42,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:03:42,386 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:03:42,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:03:42,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:03:42,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:03:42,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:03:42,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:03:42,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:03:42,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:03:42,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:03:42,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:03:42,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:03:42,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:03:42,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:03:42,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:03:42,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:03:42,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:03:42,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:03:42,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:03:42,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:03:42,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:03:42,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:03:42,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:03:42,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:03:42,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:03:42,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:03:42,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:03:42,862 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:03:42,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2020-12-22 16:03:42,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a42c28a6/7e1ba87b691e4273a9b225f6c0b79685/FLAGfa3ab1a09 [2020-12-22 16:03:44,077 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:03:44,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2020-12-22 16:03:44,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a42c28a6/7e1ba87b691e4273a9b225f6c0b79685/FLAGfa3ab1a09 [2020-12-22 16:03:44,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a42c28a6/7e1ba87b691e4273a9b225f6c0b79685 [2020-12-22 16:03:44,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:03:44,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:03:44,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:03:44,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:03:44,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:03:44,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:03:44" (1/1) ... [2020-12-22 16:03:44,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c2d00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:44, skipping insertion in model container [2020-12-22 16:03:44,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:03:44" (1/1) ... [2020-12-22 16:03:44,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:03:44,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:03:49,381 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2020-12-22 16:03:49,385 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2020-12-22 16:03:49,385 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2020-12-22 16:03:49,386 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2020-12-22 16:03:49,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:03:49,472 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:03:49,964 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2020-12-22 16:03:49,966 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2020-12-22 16:03:49,966 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2020-12-22 16:03:49,967 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-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2020-12-22 16:03:49,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:03:51,038 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:03:51,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51 WrapperNode [2020-12-22 16:03:51,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:03:51,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:03:51,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:03:51,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:03:51,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:51,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:51,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 16:03:51,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 16:03:51,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 16:03:51,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 16:03:51,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:51,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:52,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:52,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:52,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:52,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:53,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (1/1) ... [2020-12-22 16:03:53,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 16:03:53,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 16:03:53,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 16:03:53,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 16:03:53,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (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 16:03:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 16:03:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 16:03:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 16:03:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 16:03:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 16:03:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 16:03:53,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 16:03:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 16:03:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 16:03:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 16:03:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 16:03:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 16:03:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 16:03:53,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 16:03:53,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 16:05:16,738 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 16:05:16,739 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2020-12-22 16:05:16,739 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 16:05:16,740 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 16:05:16,741 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 16:05:16,743 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 16:05:16,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 16:05:16,786 INFO L299 CfgBuilder]: Removed 5902 assume(true) statements. [2020-12-22 16:05:16,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:05:16 BoogieIcfgContainer [2020-12-22 16:05:16,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 16:05:16,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 16:05:16,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 16:05:16,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 16:05:16,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:03:44" (1/3) ... [2020-12-22 16:05:16,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bfed37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:05:16, skipping insertion in model container [2020-12-22 16:05:16,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:03:51" (2/3) ... [2020-12-22 16:05:16,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bfed37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:05:16, skipping insertion in model container [2020-12-22 16:05:16,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:05:16" (3/3) ... [2020-12-22 16:05:16,802 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2020-12-22 16:05:16,808 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 16:05:16,816 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2020-12-22 16:05:16,836 INFO L253 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2020-12-22 16:05:16,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 16:05:16,883 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 16:05:16,883 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 16:05:16,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 16:05:16,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 16:05:16,884 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 16:05:16,884 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 16:05:16,884 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 16:05:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states. [2020-12-22 16:05:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 16:05:16,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:16,985 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] [2020-12-22 16:05:16,986 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:16,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:16,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1147573545, now seen corresponding path program 1 times [2020-12-22 16:05:17,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:17,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627430725] [2020-12-22 16:05:17,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:18,084 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 16:05:18,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627430725] [2020-12-22 16:05:18,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:18,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:18,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128933748] [2020-12-22 16:05:18,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:05:18,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:18,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:05:18,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:05:18,115 INFO L87 Difference]: Start difference. First operand 4676 states. Second operand 3 states. [2020-12-22 16:05:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:20,778 INFO L93 Difference]: Finished difference Result 13536 states and 17176 transitions. [2020-12-22 16:05:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:05:20,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-22 16:05:20,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:20,866 INFO L225 Difference]: With dead ends: 13536 [2020-12-22 16:05:20,866 INFO L226 Difference]: Without dead ends: 8707 [2020-12-22 16:05:20,890 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 16:05:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8707 states. [2020-12-22 16:05:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8707 to 8593. [2020-12-22 16:05:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8593 states. [2020-12-22 16:05:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8593 states to 8593 states and 10493 transitions. [2020-12-22 16:05:21,483 INFO L78 Accepts]: Start accepts. Automaton has 8593 states and 10493 transitions. Word has length 63 [2020-12-22 16:05:21,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:21,484 INFO L481 AbstractCegarLoop]: Abstraction has 8593 states and 10493 transitions. [2020-12-22 16:05:21,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:05:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 8593 states and 10493 transitions. [2020-12-22 16:05:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 16:05:21,494 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:21,495 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] [2020-12-22 16:05:21,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 16:05:21,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:21,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:21,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1890311088, now seen corresponding path program 1 times [2020-12-22 16:05:21,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:21,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386236227] [2020-12-22 16:05:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:22,015 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 16:05:22,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386236227] [2020-12-22 16:05:22,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:22,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:22,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551886443] [2020-12-22 16:05:22,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:05:22,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:22,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:05:22,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:05:22,023 INFO L87 Difference]: Start difference. First operand 8593 states and 10493 transitions. Second operand 3 states. [2020-12-22 16:05:24,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:24,830 INFO L93 Difference]: Finished difference Result 24219 states and 29541 transitions. [2020-12-22 16:05:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:05:24,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-22 16:05:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:24,914 INFO L225 Difference]: With dead ends: 24219 [2020-12-22 16:05:24,914 INFO L226 Difference]: Without dead ends: 15758 [2020-12-22 16:05:24,936 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 16:05:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15758 states. [2020-12-22 16:05:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15758 to 15076. [2020-12-22 16:05:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15076 states. [2020-12-22 16:05:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15076 states to 15076 states and 18499 transitions. [2020-12-22 16:05:25,493 INFO L78 Accepts]: Start accepts. Automaton has 15076 states and 18499 transitions. Word has length 66 [2020-12-22 16:05:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:25,494 INFO L481 AbstractCegarLoop]: Abstraction has 15076 states and 18499 transitions. [2020-12-22 16:05:25,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:05:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 15076 states and 18499 transitions. [2020-12-22 16:05:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 16:05:25,497 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:25,497 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] [2020-12-22 16:05:25,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 16:05:25,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:25,501 INFO L82 PathProgramCache]: Analyzing trace with hash 732124952, now seen corresponding path program 1 times [2020-12-22 16:05:25,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:25,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609027483] [2020-12-22 16:05:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:25,939 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 16:05:25,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609027483] [2020-12-22 16:05:25,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:25,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:25,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899530902] [2020-12-22 16:05:25,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:05:25,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:25,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:05:25,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:05:25,942 INFO L87 Difference]: Start difference. First operand 15076 states and 18499 transitions. Second operand 3 states. [2020-12-22 16:05:29,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:29,059 INFO L93 Difference]: Finished difference Result 37618 states and 46152 transitions. [2020-12-22 16:05:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:05:29,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-22 16:05:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:29,159 INFO L225 Difference]: With dead ends: 37618 [2020-12-22 16:05:29,160 INFO L226 Difference]: Without dead ends: 22674 [2020-12-22 16:05:29,193 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 16:05:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22674 states. [2020-12-22 16:05:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22674 to 21970. [2020-12-22 16:05:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21970 states. [2020-12-22 16:05:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21970 states to 21970 states and 26989 transitions. [2020-12-22 16:05:29,934 INFO L78 Accepts]: Start accepts. Automaton has 21970 states and 26989 transitions. Word has length 69 [2020-12-22 16:05:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:29,935 INFO L481 AbstractCegarLoop]: Abstraction has 21970 states and 26989 transitions. [2020-12-22 16:05:29,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:05:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 21970 states and 26989 transitions. [2020-12-22 16:05:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-22 16:05:29,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:29,938 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] [2020-12-22 16:05:29,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 16:05:29,939 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:29,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:29,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1946669987, now seen corresponding path program 1 times [2020-12-22 16:05:29,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:29,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568873443] [2020-12-22 16:05:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:30,321 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 16:05:30,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568873443] [2020-12-22 16:05:30,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:30,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:30,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495196733] [2020-12-22 16:05:30,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:05:30,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:30,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:05:30,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:05:30,329 INFO L87 Difference]: Start difference. First operand 21970 states and 26989 transitions. Second operand 3 states. [2020-12-22 16:05:33,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:33,281 INFO L93 Difference]: Finished difference Result 37340 states and 45885 transitions. [2020-12-22 16:05:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:05:33,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-22 16:05:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:33,322 INFO L225 Difference]: With dead ends: 37340 [2020-12-22 16:05:33,323 INFO L226 Difference]: Without dead ends: 15502 [2020-12-22 16:05:33,358 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 16:05:33,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15502 states. [2020-12-22 16:05:33,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15502 to 15342. [2020-12-22 16:05:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15342 states. [2020-12-22 16:05:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15342 states to 15342 states and 18842 transitions. [2020-12-22 16:05:33,875 INFO L78 Accepts]: Start accepts. Automaton has 15342 states and 18842 transitions. Word has length 70 [2020-12-22 16:05:33,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:33,875 INFO L481 AbstractCegarLoop]: Abstraction has 15342 states and 18842 transitions. [2020-12-22 16:05:33,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:05:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 15342 states and 18842 transitions. [2020-12-22 16:05:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-22 16:05:33,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:33,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:33,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 16:05:33,880 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:33,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:33,881 INFO L82 PathProgramCache]: Analyzing trace with hash 37324820, now seen corresponding path program 1 times [2020-12-22 16:05:33,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:33,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817456983] [2020-12-22 16:05:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 16:05:34,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817456983] [2020-12-22 16:05:34,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:34,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:34,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100843873] [2020-12-22 16:05:34,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:05:34,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:34,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:05:34,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:05:34,304 INFO L87 Difference]: Start difference. First operand 15342 states and 18842 transitions. Second operand 3 states. [2020-12-22 16:05:37,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:37,145 INFO L93 Difference]: Finished difference Result 45376 states and 55808 transitions. [2020-12-22 16:05:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:05:37,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-22 16:05:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:37,227 INFO L225 Difference]: With dead ends: 45376 [2020-12-22 16:05:37,227 INFO L226 Difference]: Without dead ends: 30204 [2020-12-22 16:05:37,267 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 16:05:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30204 states. [2020-12-22 16:05:38,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30204 to 30076. [2020-12-22 16:05:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30076 states. [2020-12-22 16:05:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30076 states to 30076 states and 37076 transitions. [2020-12-22 16:05:38,181 INFO L78 Accepts]: Start accepts. Automaton has 30076 states and 37076 transitions. Word has length 88 [2020-12-22 16:05:38,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:38,182 INFO L481 AbstractCegarLoop]: Abstraction has 30076 states and 37076 transitions. [2020-12-22 16:05:38,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:05:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30076 states and 37076 transitions. [2020-12-22 16:05:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-22 16:05:38,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:38,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:38,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 16:05:38,191 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:38,191 INFO L82 PathProgramCache]: Analyzing trace with hash 295490258, now seen corresponding path program 1 times [2020-12-22 16:05:38,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:38,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977745143] [2020-12-22 16:05:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:05:39,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977745143] [2020-12-22 16:05:39,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:39,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:39,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607123091] [2020-12-22 16:05:39,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:05:39,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:39,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:05:39,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:05:39,019 INFO L87 Difference]: Start difference. First operand 30076 states and 37076 transitions. Second operand 4 states. [2020-12-22 16:05:40,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:40,071 INFO L93 Difference]: Finished difference Result 30076 states and 37076 transitions. [2020-12-22 16:05:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:05:40,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-12-22 16:05:40,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:40,171 INFO L225 Difference]: With dead ends: 30076 [2020-12-22 16:05:40,171 INFO L226 Difference]: Without dead ends: 30072 [2020-12-22 16:05:40,184 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 16:05:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30072 states. [2020-12-22 16:05:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30072 to 30072. [2020-12-22 16:05:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30072 states. [2020-12-22 16:05:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30072 states to 30072 states and 37072 transitions. [2020-12-22 16:05:41,305 INFO L78 Accepts]: Start accepts. Automaton has 30072 states and 37072 transitions. Word has length 88 [2020-12-22 16:05:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:41,306 INFO L481 AbstractCegarLoop]: Abstraction has 30072 states and 37072 transitions. [2020-12-22 16:05:41,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:05:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 30072 states and 37072 transitions. [2020-12-22 16:05:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-22 16:05:41,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:41,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:41,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 16:05:41,309 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:41,309 INFO L82 PathProgramCache]: Analyzing trace with hash 498443381, now seen corresponding path program 1 times [2020-12-22 16:05:41,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:41,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52618461] [2020-12-22 16:05:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:05:41,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52618461] [2020-12-22 16:05:41,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:41,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:41,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038662065] [2020-12-22 16:05:41,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:05:41,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:41,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:05:41,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:05:41,905 INFO L87 Difference]: Start difference. First operand 30072 states and 37072 transitions. Second operand 4 states. [2020-12-22 16:05:42,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:42,971 INFO L93 Difference]: Finished difference Result 30072 states and 37072 transitions. [2020-12-22 16:05:42,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:05:42,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2020-12-22 16:05:42,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:43,043 INFO L225 Difference]: With dead ends: 30072 [2020-12-22 16:05:43,044 INFO L226 Difference]: Without dead ends: 30068 [2020-12-22 16:05:43,057 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 16:05:43,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30068 states. [2020-12-22 16:05:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30068 to 30068. [2020-12-22 16:05:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30068 states. [2020-12-22 16:05:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30068 states to 30068 states and 37068 transitions. [2020-12-22 16:05:44,227 INFO L78 Accepts]: Start accepts. Automaton has 30068 states and 37068 transitions. Word has length 90 [2020-12-22 16:05:44,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:44,228 INFO L481 AbstractCegarLoop]: Abstraction has 30068 states and 37068 transitions. [2020-12-22 16:05:44,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:05:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 30068 states and 37068 transitions. [2020-12-22 16:05:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-22 16:05:44,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:44,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:44,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 16:05:44,231 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:44,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:44,232 INFO L82 PathProgramCache]: Analyzing trace with hash -2032100712, now seen corresponding path program 1 times [2020-12-22 16:05:44,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:44,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803542406] [2020-12-22 16:05:44,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:05:44,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803542406] [2020-12-22 16:05:44,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:44,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:44,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875947470] [2020-12-22 16:05:44,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:05:44,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:44,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:05:44,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:05:44,727 INFO L87 Difference]: Start difference. First operand 30068 states and 37068 transitions. Second operand 4 states. [2020-12-22 16:05:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:46,113 INFO L93 Difference]: Finished difference Result 30068 states and 37068 transitions. [2020-12-22 16:05:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:05:46,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2020-12-22 16:05:46,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:46,179 INFO L225 Difference]: With dead ends: 30068 [2020-12-22 16:05:46,179 INFO L226 Difference]: Without dead ends: 30064 [2020-12-22 16:05:46,187 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 16:05:46,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30064 states. [2020-12-22 16:05:47,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30064 to 30064. [2020-12-22 16:05:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30064 states. [2020-12-22 16:05:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30064 states to 30064 states and 37064 transitions. [2020-12-22 16:05:47,367 INFO L78 Accepts]: Start accepts. Automaton has 30064 states and 37064 transitions. Word has length 92 [2020-12-22 16:05:47,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:47,367 INFO L481 AbstractCegarLoop]: Abstraction has 30064 states and 37064 transitions. [2020-12-22 16:05:47,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:05:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 30064 states and 37064 transitions. [2020-12-22 16:05:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-22 16:05:47,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:47,370 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:47,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 16:05:47,370 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:47,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:47,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1361483067, now seen corresponding path program 1 times [2020-12-22 16:05:47,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:47,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12656706] [2020-12-22 16:05:47,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:05:48,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12656706] [2020-12-22 16:05:48,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:48,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:48,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104734204] [2020-12-22 16:05:48,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:05:48,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:48,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:05:48,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:05:48,031 INFO L87 Difference]: Start difference. First operand 30064 states and 37064 transitions. Second operand 4 states. [2020-12-22 16:05:49,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:49,398 INFO L93 Difference]: Finished difference Result 30064 states and 37064 transitions. [2020-12-22 16:05:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:05:49,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2020-12-22 16:05:49,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:49,469 INFO L225 Difference]: With dead ends: 30064 [2020-12-22 16:05:49,470 INFO L226 Difference]: Without dead ends: 30060 [2020-12-22 16:05:49,483 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 16:05:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30060 states. [2020-12-22 16:05:50,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30060 to 30060. [2020-12-22 16:05:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30060 states. [2020-12-22 16:05:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30060 states to 30060 states and 37060 transitions. [2020-12-22 16:05:50,727 INFO L78 Accepts]: Start accepts. Automaton has 30060 states and 37060 transitions. Word has length 94 [2020-12-22 16:05:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:50,728 INFO L481 AbstractCegarLoop]: Abstraction has 30060 states and 37060 transitions. [2020-12-22 16:05:50,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:05:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 30060 states and 37060 transitions. [2020-12-22 16:05:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-22 16:05:50,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:50,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:50,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 16:05:50,730 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:50,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:50,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1579649954, now seen corresponding path program 1 times [2020-12-22 16:05:50,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:50,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61701774] [2020-12-22 16:05:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:05:51,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61701774] [2020-12-22 16:05:51,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:51,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:51,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051685840] [2020-12-22 16:05:51,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:05:51,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:51,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:05:51,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:05:51,133 INFO L87 Difference]: Start difference. First operand 30060 states and 37060 transitions. Second operand 4 states. [2020-12-22 16:05:52,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:52,863 INFO L93 Difference]: Finished difference Result 30060 states and 37060 transitions. [2020-12-22 16:05:52,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:05:52,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-12-22 16:05:52,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:52,920 INFO L225 Difference]: With dead ends: 30060 [2020-12-22 16:05:52,921 INFO L226 Difference]: Without dead ends: 30056 [2020-12-22 16:05:52,932 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 16:05:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30056 states. [2020-12-22 16:05:54,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30056 to 30056. [2020-12-22 16:05:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30056 states. [2020-12-22 16:05:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30056 states to 30056 states and 37056 transitions. [2020-12-22 16:05:54,344 INFO L78 Accepts]: Start accepts. Automaton has 30056 states and 37056 transitions. Word has length 96 [2020-12-22 16:05:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:54,344 INFO L481 AbstractCegarLoop]: Abstraction has 30056 states and 37056 transitions. [2020-12-22 16:05:54,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:05:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30056 states and 37056 transitions. [2020-12-22 16:05:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-22 16:05:54,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:54,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:05:54,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 16:05:54,347 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1920002047, now seen corresponding path program 1 times [2020-12-22 16:05:54,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:54,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869661601] [2020-12-22 16:05:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:05:54,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869661601] [2020-12-22 16:05:54,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:54,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:54,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753866772] [2020-12-22 16:05:54,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:05:54,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:54,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:05:54,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:05:54,771 INFO L87 Difference]: Start difference. First operand 30056 states and 37056 transitions. Second operand 4 states. [2020-12-22 16:05:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:05:56,141 INFO L93 Difference]: Finished difference Result 30056 states and 37056 transitions. [2020-12-22 16:05:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:05:56,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2020-12-22 16:05:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:05:56,279 INFO L225 Difference]: With dead ends: 30056 [2020-12-22 16:05:56,279 INFO L226 Difference]: Without dead ends: 30052 [2020-12-22 16:05:56,288 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 16:05:56,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30052 states. [2020-12-22 16:05:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30052 to 30052. [2020-12-22 16:05:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30052 states. [2020-12-22 16:05:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30052 states to 30052 states and 37052 transitions. [2020-12-22 16:05:57,625 INFO L78 Accepts]: Start accepts. Automaton has 30052 states and 37052 transitions. Word has length 98 [2020-12-22 16:05:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:05:57,625 INFO L481 AbstractCegarLoop]: Abstraction has 30052 states and 37052 transitions. [2020-12-22 16:05:57,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:05:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 30052 states and 37052 transitions. [2020-12-22 16:05:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-22 16:05:57,627 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:05:57,628 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] [2020-12-22 16:05:57,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 16:05:57,629 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:05:57,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:05:57,629 INFO L82 PathProgramCache]: Analyzing trace with hash -873464710, now seen corresponding path program 1 times [2020-12-22 16:05:57,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:05:57,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842145773] [2020-12-22 16:05:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:05:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:05:58,040 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 16:05:58,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842145773] [2020-12-22 16:05:58,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:05:58,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:05:58,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625325032] [2020-12-22 16:05:58,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:05:58,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:05:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:05:58,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:05:58,044 INFO L87 Difference]: Start difference. First operand 30052 states and 37052 transitions. Second operand 3 states. [2020-12-22 16:06:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:01,876 INFO L93 Difference]: Finished difference Result 68166 states and 84215 transitions. [2020-12-22 16:06:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:06:01,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-22 16:06:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:01,926 INFO L225 Difference]: With dead ends: 68166 [2020-12-22 16:06:01,927 INFO L226 Difference]: Without dead ends: 38284 [2020-12-22 16:06:01,969 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 16:06:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38284 states. [2020-12-22 16:06:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38284 to 38134. [2020-12-22 16:06:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38134 states. [2020-12-22 16:06:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38134 states to 38134 states and 47128 transitions. [2020-12-22 16:06:03,657 INFO L78 Accepts]: Start accepts. Automaton has 38134 states and 47128 transitions. Word has length 98 [2020-12-22 16:06:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:03,657 INFO L481 AbstractCegarLoop]: Abstraction has 38134 states and 47128 transitions. [2020-12-22 16:06:03,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:06:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38134 states and 47128 transitions. [2020-12-22 16:06:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-22 16:06:03,659 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:03,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:03,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 16:06:03,660 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1714118692, now seen corresponding path program 1 times [2020-12-22 16:06:03,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:03,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317323245] [2020-12-22 16:06:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:04,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317323245] [2020-12-22 16:06:04,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:04,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:04,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545614902] [2020-12-22 16:06:04,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:04,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:04,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:04,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:04,023 INFO L87 Difference]: Start difference. First operand 38134 states and 47128 transitions. Second operand 4 states. [2020-12-22 16:06:06,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:06,190 INFO L93 Difference]: Finished difference Result 38134 states and 47128 transitions. [2020-12-22 16:06:06,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:06,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2020-12-22 16:06:06,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:06,234 INFO L225 Difference]: With dead ends: 38134 [2020-12-22 16:06:06,234 INFO L226 Difference]: Without dead ends: 38130 [2020-12-22 16:06:06,243 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 16:06:06,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38130 states. [2020-12-22 16:06:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38130 to 38130. [2020-12-22 16:06:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38130 states. [2020-12-22 16:06:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38130 states to 38130 states and 47124 transitions. [2020-12-22 16:06:07,623 INFO L78 Accepts]: Start accepts. Automaton has 38130 states and 47124 transitions. Word has length 100 [2020-12-22 16:06:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:07,623 INFO L481 AbstractCegarLoop]: Abstraction has 38130 states and 47124 transitions. [2020-12-22 16:06:07,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 38130 states and 47124 transitions. [2020-12-22 16:06:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-22 16:06:07,624 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:07,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:07,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 16:06:07,625 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:07,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1999229753, now seen corresponding path program 1 times [2020-12-22 16:06:07,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:07,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122632367] [2020-12-22 16:06:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:08,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122632367] [2020-12-22 16:06:08,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:08,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:08,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934250121] [2020-12-22 16:06:08,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:08,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:08,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:08,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:08,010 INFO L87 Difference]: Start difference. First operand 38130 states and 47124 transitions. Second operand 4 states. [2020-12-22 16:06:09,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:09,908 INFO L93 Difference]: Finished difference Result 38130 states and 47124 transitions. [2020-12-22 16:06:09,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:09,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2020-12-22 16:06:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:09,964 INFO L225 Difference]: With dead ends: 38130 [2020-12-22 16:06:09,965 INFO L226 Difference]: Without dead ends: 38126 [2020-12-22 16:06:09,977 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 16:06:10,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38126 states. [2020-12-22 16:06:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38126 to 38126. [2020-12-22 16:06:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38126 states. [2020-12-22 16:06:11,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38126 states to 38126 states and 47120 transitions. [2020-12-22 16:06:11,530 INFO L78 Accepts]: Start accepts. Automaton has 38126 states and 47120 transitions. Word has length 102 [2020-12-22 16:06:11,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:11,530 INFO L481 AbstractCegarLoop]: Abstraction has 38126 states and 47120 transitions. [2020-12-22 16:06:11,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38126 states and 47120 transitions. [2020-12-22 16:06:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-22 16:06:11,531 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:11,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:11,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 16:06:11,532 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:11,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1409262102, now seen corresponding path program 1 times [2020-12-22 16:06:11,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:11,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394296032] [2020-12-22 16:06:11,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:11,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394296032] [2020-12-22 16:06:11,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:11,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:11,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873661938] [2020-12-22 16:06:11,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:11,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:11,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:11,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:11,895 INFO L87 Difference]: Start difference. First operand 38126 states and 47120 transitions. Second operand 4 states. [2020-12-22 16:06:13,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:13,566 INFO L93 Difference]: Finished difference Result 38126 states and 47120 transitions. [2020-12-22 16:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:13,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2020-12-22 16:06:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:13,615 INFO L225 Difference]: With dead ends: 38126 [2020-12-22 16:06:13,615 INFO L226 Difference]: Without dead ends: 38122 [2020-12-22 16:06:13,624 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 16:06:13,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38122 states. [2020-12-22 16:06:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38122 to 38122. [2020-12-22 16:06:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38122 states. [2020-12-22 16:06:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38122 states to 38122 states and 47116 transitions. [2020-12-22 16:06:15,185 INFO L78 Accepts]: Start accepts. Automaton has 38122 states and 47116 transitions. Word has length 104 [2020-12-22 16:06:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:15,185 INFO L481 AbstractCegarLoop]: Abstraction has 38122 states and 47116 transitions. [2020-12-22 16:06:15,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 38122 states and 47116 transitions. [2020-12-22 16:06:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-22 16:06:15,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:15,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:15,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 16:06:15,187 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:15,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:15,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1386032243, now seen corresponding path program 1 times [2020-12-22 16:06:15,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:15,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808123887] [2020-12-22 16:06:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:15,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808123887] [2020-12-22 16:06:15,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:15,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:15,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795829205] [2020-12-22 16:06:15,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:15,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:15,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:15,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:15,730 INFO L87 Difference]: Start difference. First operand 38122 states and 47116 transitions. Second operand 4 states. [2020-12-22 16:06:17,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:17,520 INFO L93 Difference]: Finished difference Result 38122 states and 47116 transitions. [2020-12-22 16:06:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:17,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-12-22 16:06:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:17,568 INFO L225 Difference]: With dead ends: 38122 [2020-12-22 16:06:17,568 INFO L226 Difference]: Without dead ends: 38118 [2020-12-22 16:06:17,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:06:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38118 states. [2020-12-22 16:06:19,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38118 to 38118. [2020-12-22 16:06:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38118 states. [2020-12-22 16:06:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38118 states to 38118 states and 47112 transitions. [2020-12-22 16:06:19,240 INFO L78 Accepts]: Start accepts. Automaton has 38118 states and 47112 transitions. Word has length 106 [2020-12-22 16:06:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:19,240 INFO L481 AbstractCegarLoop]: Abstraction has 38118 states and 47112 transitions. [2020-12-22 16:06:19,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 38118 states and 47112 transitions. [2020-12-22 16:06:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-22 16:06:19,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:19,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:19,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 16:06:19,243 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:19,243 INFO L82 PathProgramCache]: Analyzing trace with hash -536973904, now seen corresponding path program 1 times [2020-12-22 16:06:19,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:19,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779281610] [2020-12-22 16:06:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:19,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779281610] [2020-12-22 16:06:19,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:19,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:19,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872157103] [2020-12-22 16:06:19,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:19,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:19,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:19,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:19,596 INFO L87 Difference]: Start difference. First operand 38118 states and 47112 transitions. Second operand 4 states. [2020-12-22 16:06:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:21,520 INFO L93 Difference]: Finished difference Result 38118 states and 47112 transitions. [2020-12-22 16:06:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:21,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2020-12-22 16:06:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:21,567 INFO L225 Difference]: With dead ends: 38118 [2020-12-22 16:06:21,567 INFO L226 Difference]: Without dead ends: 38114 [2020-12-22 16:06:21,576 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 16:06:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38114 states. [2020-12-22 16:06:23,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38114 to 38114. [2020-12-22 16:06:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38114 states. [2020-12-22 16:06:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38114 states to 38114 states and 47108 transitions. [2020-12-22 16:06:23,380 INFO L78 Accepts]: Start accepts. Automaton has 38114 states and 47108 transitions. Word has length 108 [2020-12-22 16:06:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:23,381 INFO L481 AbstractCegarLoop]: Abstraction has 38114 states and 47108 transitions. [2020-12-22 16:06:23,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 38114 states and 47108 transitions. [2020-12-22 16:06:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 16:06:23,383 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:23,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:23,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 16:06:23,384 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:23,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:23,384 INFO L82 PathProgramCache]: Analyzing trace with hash -635696045, now seen corresponding path program 1 times [2020-12-22 16:06:23,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:23,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771616436] [2020-12-22 16:06:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:23,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771616436] [2020-12-22 16:06:23,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:23,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:23,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5831075] [2020-12-22 16:06:23,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:23,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:23,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:23,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:23,762 INFO L87 Difference]: Start difference. First operand 38114 states and 47108 transitions. Second operand 4 states. [2020-12-22 16:06:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:25,562 INFO L93 Difference]: Finished difference Result 38114 states and 47108 transitions. [2020-12-22 16:06:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:25,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2020-12-22 16:06:25,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:25,606 INFO L225 Difference]: With dead ends: 38114 [2020-12-22 16:06:25,606 INFO L226 Difference]: Without dead ends: 38110 [2020-12-22 16:06:25,616 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 16:06:25,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38110 states. [2020-12-22 16:06:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38110 to 38110. [2020-12-22 16:06:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38110 states. [2020-12-22 16:06:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38110 states to 38110 states and 47104 transitions. [2020-12-22 16:06:27,492 INFO L78 Accepts]: Start accepts. Automaton has 38110 states and 47104 transitions. Word has length 110 [2020-12-22 16:06:27,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:27,492 INFO L481 AbstractCegarLoop]: Abstraction has 38110 states and 47104 transitions. [2020-12-22 16:06:27,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 38110 states and 47104 transitions. [2020-12-22 16:06:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 16:06:27,626 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:27,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:27,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 16:06:27,627 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:27,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:27,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1018392714, now seen corresponding path program 1 times [2020-12-22 16:06:27,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:27,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236226473] [2020-12-22 16:06:27,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:28,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236226473] [2020-12-22 16:06:28,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:28,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:28,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529519520] [2020-12-22 16:06:28,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:28,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:28,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:28,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:28,048 INFO L87 Difference]: Start difference. First operand 38110 states and 47104 transitions. Second operand 4 states. [2020-12-22 16:06:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:30,258 INFO L93 Difference]: Finished difference Result 38110 states and 47104 transitions. [2020-12-22 16:06:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:30,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-12-22 16:06:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:30,304 INFO L225 Difference]: With dead ends: 38110 [2020-12-22 16:06:30,304 INFO L226 Difference]: Without dead ends: 38106 [2020-12-22 16:06:30,314 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 16:06:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38106 states. [2020-12-22 16:06:32,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38106 to 38106. [2020-12-22 16:06:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38106 states. [2020-12-22 16:06:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38106 states to 38106 states and 47100 transitions. [2020-12-22 16:06:32,278 INFO L78 Accepts]: Start accepts. Automaton has 38106 states and 47100 transitions. Word has length 112 [2020-12-22 16:06:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:32,278 INFO L481 AbstractCegarLoop]: Abstraction has 38106 states and 47100 transitions. [2020-12-22 16:06:32,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 38106 states and 47100 transitions. [2020-12-22 16:06:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-22 16:06:32,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:32,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:32,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 16:06:32,281 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:32,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:32,281 INFO L82 PathProgramCache]: Analyzing trace with hash 577296153, now seen corresponding path program 1 times [2020-12-22 16:06:32,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:32,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071515230] [2020-12-22 16:06:32,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:32,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071515230] [2020-12-22 16:06:32,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:32,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:32,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088370753] [2020-12-22 16:06:32,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:32,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:32,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:32,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:32,655 INFO L87 Difference]: Start difference. First operand 38106 states and 47100 transitions. Second operand 4 states. [2020-12-22 16:06:34,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:34,893 INFO L93 Difference]: Finished difference Result 38106 states and 47100 transitions. [2020-12-22 16:06:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:34,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2020-12-22 16:06:34,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:34,940 INFO L225 Difference]: With dead ends: 38106 [2020-12-22 16:06:34,940 INFO L226 Difference]: Without dead ends: 38102 [2020-12-22 16:06:34,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:06:34,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38102 states. [2020-12-22 16:06:36,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38102 to 38102. [2020-12-22 16:06:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38102 states. [2020-12-22 16:06:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38102 states to 38102 states and 47096 transitions. [2020-12-22 16:06:37,042 INFO L78 Accepts]: Start accepts. Automaton has 38102 states and 47096 transitions. Word has length 114 [2020-12-22 16:06:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:37,043 INFO L481 AbstractCegarLoop]: Abstraction has 38102 states and 47096 transitions. [2020-12-22 16:06:37,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 38102 states and 47096 transitions. [2020-12-22 16:06:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-22 16:06:37,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:37,044 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:37,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 16:06:37,044 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:37,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:37,045 INFO L82 PathProgramCache]: Analyzing trace with hash 730972988, now seen corresponding path program 1 times [2020-12-22 16:06:37,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:37,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867222400] [2020-12-22 16:06:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 16:06:37,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867222400] [2020-12-22 16:06:37,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:37,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:37,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80501599] [2020-12-22 16:06:37,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 16:06:37,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:37,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 16:06:37,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 16:06:37,430 INFO L87 Difference]: Start difference. First operand 38102 states and 47096 transitions. Second operand 4 states. [2020-12-22 16:06:39,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:39,699 INFO L93 Difference]: Finished difference Result 38102 states and 47096 transitions. [2020-12-22 16:06:39,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 16:06:39,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-12-22 16:06:39,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:39,744 INFO L225 Difference]: With dead ends: 38102 [2020-12-22 16:06:39,744 INFO L226 Difference]: Without dead ends: 37981 [2020-12-22 16:06:39,755 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 16:06:39,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37981 states. [2020-12-22 16:06:41,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37981 to 37981. [2020-12-22 16:06:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37981 states. [2020-12-22 16:06:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37981 states to 37981 states and 46930 transitions. [2020-12-22 16:06:41,969 INFO L78 Accepts]: Start accepts. Automaton has 37981 states and 46930 transitions. Word has length 116 [2020-12-22 16:06:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:41,969 INFO L481 AbstractCegarLoop]: Abstraction has 37981 states and 46930 transitions. [2020-12-22 16:06:41,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:06:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 37981 states and 46930 transitions. [2020-12-22 16:06:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 16:06:41,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:41,977 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:41,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 16:06:41,977 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:41,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1223092550, now seen corresponding path program 1 times [2020-12-22 16:06:41,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:41,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451019368] [2020-12-22 16:06:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 16:06:42,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451019368] [2020-12-22 16:06:42,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:42,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:42,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223583704] [2020-12-22 16:06:42,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:06:42,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:42,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:06:42,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:06:42,305 INFO L87 Difference]: Start difference. First operand 37981 states and 46930 transitions. Second operand 3 states. [2020-12-22 16:06:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:47,220 INFO L93 Difference]: Finished difference Result 83924 states and 103819 transitions. [2020-12-22 16:06:47,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:06:47,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-12-22 16:06:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:47,285 INFO L225 Difference]: With dead ends: 83924 [2020-12-22 16:06:47,285 INFO L226 Difference]: Without dead ends: 46076 [2020-12-22 16:06:47,329 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 16:06:47,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46076 states. [2020-12-22 16:06:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46076 to 45986. [2020-12-22 16:06:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45986 states. [2020-12-22 16:06:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45986 states to 45986 states and 56890 transitions. [2020-12-22 16:06:50,062 INFO L78 Accepts]: Start accepts. Automaton has 45986 states and 56890 transitions. Word has length 135 [2020-12-22 16:06:50,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:50,062 INFO L481 AbstractCegarLoop]: Abstraction has 45986 states and 56890 transitions. [2020-12-22 16:06:50,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:06:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 45986 states and 56890 transitions. [2020-12-22 16:06:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-22 16:06:50,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:50,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:50,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 16:06:50,065 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:50,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:50,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1382931004, now seen corresponding path program 1 times [2020-12-22 16:06:50,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:50,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813328667] [2020-12-22 16:06:50,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 16:06:50,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813328667] [2020-12-22 16:06:50,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:50,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:50,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693328869] [2020-12-22 16:06:50,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:06:50,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:50,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:06:50,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:06:50,384 INFO L87 Difference]: Start difference. First operand 45986 states and 56890 transitions. Second operand 3 states. [2020-12-22 16:06:55,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:06:55,819 INFO L93 Difference]: Finished difference Result 99974 states and 123818 transitions. [2020-12-22 16:06:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:06:55,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-12-22 16:06:55,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:06:55,897 INFO L225 Difference]: With dead ends: 99974 [2020-12-22 16:06:55,897 INFO L226 Difference]: Without dead ends: 54158 [2020-12-22 16:06:55,947 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 16:06:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54158 states. [2020-12-22 16:06:59,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54158 to 54068. [2020-12-22 16:06:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54068 states. [2020-12-22 16:06:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54068 states to 54068 states and 66961 transitions. [2020-12-22 16:06:59,237 INFO L78 Accepts]: Start accepts. Automaton has 54068 states and 66961 transitions. Word has length 135 [2020-12-22 16:06:59,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:06:59,237 INFO L481 AbstractCegarLoop]: Abstraction has 54068 states and 66961 transitions. [2020-12-22 16:06:59,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:06:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 54068 states and 66961 transitions. [2020-12-22 16:06:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-22 16:06:59,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:06:59,244 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:06:59,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 16:06:59,247 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:06:59,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:06:59,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1878324090, now seen corresponding path program 1 times [2020-12-22 16:06:59,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:06:59,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310810087] [2020-12-22 16:06:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:06:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:06:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-22 16:06:59,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310810087] [2020-12-22 16:06:59,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:06:59,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:06:59,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318452807] [2020-12-22 16:06:59,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:06:59,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:06:59,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:06:59,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:06:59,753 INFO L87 Difference]: Start difference. First operand 54068 states and 66961 transitions. Second operand 3 states. [2020-12-22 16:07:02,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:07:02,983 INFO L93 Difference]: Finished difference Result 107974 states and 133749 transitions. [2020-12-22 16:07:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:07:02,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-12-22 16:07:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:07:03,067 INFO L225 Difference]: With dead ends: 107974 [2020-12-22 16:07:03,067 INFO L226 Difference]: Without dead ends: 54076 [2020-12-22 16:07:03,117 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 16:07:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54076 states. [2020-12-22 16:07:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54076 to 54076. [2020-12-22 16:07:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54076 states. [2020-12-22 16:07:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54076 states to 54076 states and 66969 transitions. [2020-12-22 16:07:06,326 INFO L78 Accepts]: Start accepts. Automaton has 54076 states and 66969 transitions. Word has length 169 [2020-12-22 16:07:06,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:07:06,327 INFO L481 AbstractCegarLoop]: Abstraction has 54076 states and 66969 transitions. [2020-12-22 16:07:06,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:07:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 54076 states and 66969 transitions. [2020-12-22 16:07:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-22 16:07:06,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:07:06,330 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:07:06,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 16:07:06,331 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:07:06,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:07:06,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1907170116, now seen corresponding path program 1 times [2020-12-22 16:07:06,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:07:06,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453535906] [2020-12-22 16:07:06,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:07:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:07:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-22 16:07:06,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453535906] [2020-12-22 16:07:06,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:07:06,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:07:06,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079288749] [2020-12-22 16:07:06,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:07:06,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:07:06,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:07:06,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:07:06,695 INFO L87 Difference]: Start difference. First operand 54076 states and 66969 transitions. Second operand 3 states.