/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-media-rc-nuvoton-cir.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 15:55:20,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 15:55:20,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 15:55:20,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 15:55:20,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 15:55:20,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 15:55:20,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 15:55:20,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 15:55:20,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 15:55:20,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 15:55:20,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 15:55:20,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 15:55:20,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 15:55:20,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 15:55:20,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 15:55:20,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 15:55:20,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 15:55:20,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 15:55:20,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 15:55:20,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 15:55:20,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 15:55:20,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 15:55:20,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 15:55:20,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 15:55:20,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 15:55:20,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 15:55:20,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 15:55:20,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 15:55:20,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 15:55:20,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 15:55:20,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 15:55:20,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 15:55:20,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 15:55:20,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 15:55:20,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 15:55:20,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 15:55:20,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 15:55:20,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 15:55:20,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 15:55:20,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 15:55:20,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 15:55:20,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 15:55:20,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 15:55:20,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 15:55:20,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 15:55:20,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 15:55:20,282 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 15:55:20,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 15:55:20,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 15:55:20,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 15:55:20,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 15:55:20,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 15:55:20,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 15:55:20,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 15:55:20,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 15:55:20,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 15:55:20,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 15:55:20,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 15:55:20,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 15:55:20,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:55:20,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 15:55:20,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 15:55:20,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 15:55:20,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 15:55:20,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 15:55:20,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 15:55:20,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 15:55:20,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 15:55:20,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 15:55:20,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 15:55:20,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 15:55:20,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 15:55:20,736 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 15:55:20,737 INFO L432 ainManager$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-media-rc-nuvoton-cir.cil.i [2020-12-22 15:55:20,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c1a8a79/efdacc1092494ee5bcf7a2f03e5935d0/FLAG7a841fd66 [2020-12-22 15:55:21,805 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 15:55:21,810 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-media-rc-nuvoton-cir.cil.i [2020-12-22 15:55:21,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c1a8a79/efdacc1092494ee5bcf7a2f03e5935d0/FLAG7a841fd66 [2020-12-22 15:55:22,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c1a8a79/efdacc1092494ee5bcf7a2f03e5935d0 [2020-12-22 15:55:22,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 15:55:22,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 15:55:22,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 15:55:22,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 15:55:22,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 15:55:22,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:55:22" (1/1) ... [2020-12-22 15:55:22,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16663734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:22, skipping insertion in model container [2020-12-22 15:55:22,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:55:22" (1/1) ... [2020-12-22 15:55:22,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 15:55:22,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 15:55:24,776 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-media-rc-nuvoton-cir.cil.i[196376,196389] [2020-12-22 15:55:24,780 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-media-rc-nuvoton-cir.cil.i[196545,196558] [2020-12-22 15:55:24,781 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-media-rc-nuvoton-cir.cil.i[196712,196725] [2020-12-22 15:55:24,781 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-media-rc-nuvoton-cir.cil.i[196880,196893] [2020-12-22 15:55:24,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:55:24,816 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 15:55:25,098 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-media-rc-nuvoton-cir.cil.i[196376,196389] [2020-12-22 15:55:25,099 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-media-rc-nuvoton-cir.cil.i[196545,196558] [2020-12-22 15:55:25,099 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-media-rc-nuvoton-cir.cil.i[196712,196725] [2020-12-22 15:55:25,100 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-media-rc-nuvoton-cir.cil.i[196880,196893] [2020-12-22 15:55:25,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:55:25,470 INFO L208 MainTranslator]: Completed translation [2020-12-22 15:55:25,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25 WrapperNode [2020-12-22 15:55:25,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 15:55:25,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 15:55:25,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 15:55:25,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 15:55:25,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:25,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:25,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 15:55:25,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 15:55:25,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 15:55:25,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 15:55:25,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:25,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:25,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:25,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:26,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:26,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:26,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... [2020-12-22 15:55:26,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 15:55:26,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 15:55:26,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 15:55:26,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 15:55:26,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:55:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 15:55:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 15:55:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 15:55:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 15:55:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 15:55:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 15:55:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 15:55:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 15:55:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 15:55:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 15:55:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 15:55:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 15:55:38,623 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 15:55:38,624 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 15:55:38,625 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2020-12-22 15:55:38,625 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2020-12-22 15:55:38,625 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 15:55:38,664 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 15:55:38,665 INFO L299 CfgBuilder]: Removed 2074 assume(true) statements. [2020-12-22 15:55:38,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:55:38 BoogieIcfgContainer [2020-12-22 15:55:38,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 15:55:38,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 15:55:38,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 15:55:38,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 15:55:38,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:55:22" (1/3) ... [2020-12-22 15:55:38,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3ec9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:55:38, skipping insertion in model container [2020-12-22 15:55:38,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:25" (2/3) ... [2020-12-22 15:55:38,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3ec9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:55:38, skipping insertion in model container [2020-12-22 15:55:38,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:55:38" (3/3) ... [2020-12-22 15:55:38,685 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2020-12-22 15:55:38,693 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 15:55:38,700 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 40 error locations. [2020-12-22 15:55:38,720 INFO L253 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2020-12-22 15:55:38,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 15:55:38,782 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 15:55:38,783 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 15:55:38,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 15:55:38,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 15:55:38,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 15:55:38,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 15:55:38,783 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 15:55:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states. [2020-12-22 15:55:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 15:55:38,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:38,843 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] [2020-12-22 15:55:38,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:38,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:38,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1159951444, now seen corresponding path program 1 times [2020-12-22 15:55:38,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:38,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340098734] [2020-12-22 15:55:38,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:55:39,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340098734] [2020-12-22 15:55:39,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:39,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:39,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973641320] [2020-12-22 15:55:39,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:55:39,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:39,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:55:39,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:39,616 INFO L87 Difference]: Start difference. First operand 1566 states. Second operand 3 states. [2020-12-22 15:55:41,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:41,978 INFO L93 Difference]: Finished difference Result 4522 states and 5581 transitions. [2020-12-22 15:55:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:55:41,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 15:55:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:42,011 INFO L225 Difference]: With dead ends: 4522 [2020-12-22 15:55:42,012 INFO L226 Difference]: Without dead ends: 2813 [2020-12-22 15:55:42,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:42,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2020-12-22 15:55:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2765. [2020-12-22 15:55:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2765 states. [2020-12-22 15:55:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2765 states and 3237 transitions. [2020-12-22 15:55:42,220 INFO L78 Accepts]: Start accepts. Automaton has 2765 states and 3237 transitions. Word has length 24 [2020-12-22 15:55:42,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:42,221 INFO L481 AbstractCegarLoop]: Abstraction has 2765 states and 3237 transitions. [2020-12-22 15:55:42,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:55:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3237 transitions. [2020-12-22 15:55:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 15:55:42,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:42,224 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] [2020-12-22 15:55:42,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 15:55:42,225 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash -258996078, now seen corresponding path program 1 times [2020-12-22 15:55:42,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:42,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078807159] [2020-12-22 15:55:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:55:42,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078807159] [2020-12-22 15:55:42,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:42,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:42,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851133702] [2020-12-22 15:55:42,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:55:42,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:42,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:55:42,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:42,540 INFO L87 Difference]: Start difference. First operand 2765 states and 3237 transitions. Second operand 3 states. [2020-12-22 15:55:44,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:44,919 INFO L93 Difference]: Finished difference Result 5132 states and 6110 transitions. [2020-12-22 15:55:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:55:44,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 15:55:44,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:44,932 INFO L225 Difference]: With dead ends: 5132 [2020-12-22 15:55:44,933 INFO L226 Difference]: Without dead ends: 2395 [2020-12-22 15:55:44,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2020-12-22 15:55:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2317. [2020-12-22 15:55:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2317 states. [2020-12-22 15:55:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 2815 transitions. [2020-12-22 15:55:45,028 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 2815 transitions. Word has length 36 [2020-12-22 15:55:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:45,029 INFO L481 AbstractCegarLoop]: Abstraction has 2317 states and 2815 transitions. [2020-12-22 15:55:45,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:55:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2815 transitions. [2020-12-22 15:55:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-22 15:55:45,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:45,032 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] [2020-12-22 15:55:45,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 15:55:45,033 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:45,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:45,034 INFO L82 PathProgramCache]: Analyzing trace with hash 849800372, now seen corresponding path program 1 times [2020-12-22 15:55:45,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:45,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061488054] [2020-12-22 15:55:45,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:55:45,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061488054] [2020-12-22 15:55:45,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:45,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:45,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213661331] [2020-12-22 15:55:45,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:55:45,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:45,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:55:45,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:45,232 INFO L87 Difference]: Start difference. First operand 2317 states and 2815 transitions. Second operand 3 states. [2020-12-22 15:55:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:47,651 INFO L93 Difference]: Finished difference Result 5486 states and 6531 transitions. [2020-12-22 15:55:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:55:47,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-22 15:55:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:47,669 INFO L225 Difference]: With dead ends: 5486 [2020-12-22 15:55:47,670 INFO L226 Difference]: Without dead ends: 3197 [2020-12-22 15:55:47,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:47,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2020-12-22 15:55:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3103. [2020-12-22 15:55:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-12-22 15:55:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3653 transitions. [2020-12-22 15:55:47,799 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3653 transitions. Word has length 46 [2020-12-22 15:55:47,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:47,800 INFO L481 AbstractCegarLoop]: Abstraction has 3103 states and 3653 transitions. [2020-12-22 15:55:47,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:55:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3653 transitions. [2020-12-22 15:55:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-22 15:55:47,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:47,805 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] [2020-12-22 15:55:47,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 15:55:47,805 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:47,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:47,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1502608141, now seen corresponding path program 1 times [2020-12-22 15:55:47,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:47,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633875160] [2020-12-22 15:55:47,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:55:48,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633875160] [2020-12-22 15:55:48,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:48,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:48,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085695574] [2020-12-22 15:55:48,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:55:48,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:48,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:55:48,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:48,065 INFO L87 Difference]: Start difference. First operand 3103 states and 3653 transitions. Second operand 3 states. [2020-12-22 15:55:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:50,491 INFO L93 Difference]: Finished difference Result 8852 states and 10406 transitions. [2020-12-22 15:55:50,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:55:50,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-22 15:55:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:50,520 INFO L225 Difference]: With dead ends: 8852 [2020-12-22 15:55:50,520 INFO L226 Difference]: Without dead ends: 5777 [2020-12-22 15:55:50,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:50,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5777 states. [2020-12-22 15:55:50,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5777 to 5659. [2020-12-22 15:55:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5659 states. [2020-12-22 15:55:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5659 states to 5659 states and 6670 transitions. [2020-12-22 15:55:50,811 INFO L78 Accepts]: Start accepts. Automaton has 5659 states and 6670 transitions. Word has length 47 [2020-12-22 15:55:50,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:50,812 INFO L481 AbstractCegarLoop]: Abstraction has 5659 states and 6670 transitions. [2020-12-22 15:55:50,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:55:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5659 states and 6670 transitions. [2020-12-22 15:55:50,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 15:55:50,813 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:50,814 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] [2020-12-22 15:55:50,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 15:55:50,815 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:50,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:50,815 INFO L82 PathProgramCache]: Analyzing trace with hash -129293626, now seen corresponding path program 1 times [2020-12-22 15:55:50,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:50,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279099995] [2020-12-22 15:55:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:51,016 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 15:55:51,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279099995] [2020-12-22 15:55:51,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:51,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:51,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076317555] [2020-12-22 15:55:51,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:55:51,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:51,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:55:51,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:51,019 INFO L87 Difference]: Start difference. First operand 5659 states and 6670 transitions. Second operand 3 states. [2020-12-22 15:55:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:53,444 INFO L93 Difference]: Finished difference Result 16597 states and 19588 transitions. [2020-12-22 15:55:53,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:55:53,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-22 15:55:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:53,499 INFO L225 Difference]: With dead ends: 16597 [2020-12-22 15:55:53,499 INFO L226 Difference]: Without dead ends: 11001 [2020-12-22 15:55:53,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:55:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11001 states. [2020-12-22 15:55:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11001 to 10939. [2020-12-22 15:55:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10939 states. [2020-12-22 15:55:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10939 states to 10939 states and 12941 transitions. [2020-12-22 15:55:54,131 INFO L78 Accepts]: Start accepts. Automaton has 10939 states and 12941 transitions. Word has length 49 [2020-12-22 15:55:54,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:54,133 INFO L481 AbstractCegarLoop]: Abstraction has 10939 states and 12941 transitions. [2020-12-22 15:55:54,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:55:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10939 states and 12941 transitions. [2020-12-22 15:55:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 15:55:54,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:54,135 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] [2020-12-22 15:55:54,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 15:55:54,135 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:54,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:54,136 INFO L82 PathProgramCache]: Analyzing trace with hash 128871812, now seen corresponding path program 1 times [2020-12-22 15:55:54,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:54,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887554188] [2020-12-22 15:55:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:54,399 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 15:55:54,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887554188] [2020-12-22 15:55:54,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:54,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:54,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475121654] [2020-12-22 15:55:54,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:55:54,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:54,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:55:54,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:55:54,402 INFO L87 Difference]: Start difference. First operand 10939 states and 12941 transitions. Second operand 4 states. [2020-12-22 15:55:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:54,884 INFO L93 Difference]: Finished difference Result 10939 states and 12941 transitions. [2020-12-22 15:55:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:55:54,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-22 15:55:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:54,949 INFO L225 Difference]: With dead ends: 10939 [2020-12-22 15:55:54,950 INFO L226 Difference]: Without dead ends: 10935 [2020-12-22 15:55:54,956 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 15:55:54,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10935 states. [2020-12-22 15:55:55,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10935 to 10935. [2020-12-22 15:55:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10935 states. [2020-12-22 15:55:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10935 states to 10935 states and 12937 transitions. [2020-12-22 15:55:55,353 INFO L78 Accepts]: Start accepts. Automaton has 10935 states and 12937 transitions. Word has length 49 [2020-12-22 15:55:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:55,355 INFO L481 AbstractCegarLoop]: Abstraction has 10935 states and 12937 transitions. [2020-12-22 15:55:55,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:55:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 10935 states and 12937 transitions. [2020-12-22 15:55:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 15:55:55,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:55,358 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] [2020-12-22 15:55:55,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 15:55:55,360 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:55,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:55,360 INFO L82 PathProgramCache]: Analyzing trace with hash -708106745, now seen corresponding path program 1 times [2020-12-22 15:55:55,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:55,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476750613] [2020-12-22 15:55:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:55,583 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 15:55:55,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476750613] [2020-12-22 15:55:55,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:55,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:55,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319880938] [2020-12-22 15:55:55,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:55:55,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:55,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:55:55,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:55:55,587 INFO L87 Difference]: Start difference. First operand 10935 states and 12937 transitions. Second operand 4 states. [2020-12-22 15:55:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:56,136 INFO L93 Difference]: Finished difference Result 10935 states and 12937 transitions. [2020-12-22 15:55:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:55:56,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-12-22 15:55:56,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:56,163 INFO L225 Difference]: With dead ends: 10935 [2020-12-22 15:55:56,163 INFO L226 Difference]: Without dead ends: 10931 [2020-12-22 15:55:56,168 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 15:55:56,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10931 states. [2020-12-22 15:55:56,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10931 to 10931. [2020-12-22 15:55:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10931 states. [2020-12-22 15:55:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10931 states to 10931 states and 12933 transitions. [2020-12-22 15:55:56,696 INFO L78 Accepts]: Start accepts. Automaton has 10931 states and 12933 transitions. Word has length 51 [2020-12-22 15:55:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:56,696 INFO L481 AbstractCegarLoop]: Abstraction has 10931 states and 12933 transitions. [2020-12-22 15:55:56,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:55:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 10931 states and 12933 transitions. [2020-12-22 15:55:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 15:55:56,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:56,698 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] [2020-12-22 15:55:56,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 15:55:56,698 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:56,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:56,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1885615350, now seen corresponding path program 1 times [2020-12-22 15:55:56,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:56,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123163169] [2020-12-22 15:55:56,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:56,900 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 15:55:56,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123163169] [2020-12-22 15:55:56,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:56,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:56,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6380146] [2020-12-22 15:55:56,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:55:56,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:56,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:55:56,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:55:56,904 INFO L87 Difference]: Start difference. First operand 10931 states and 12933 transitions. Second operand 4 states. [2020-12-22 15:55:57,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:57,380 INFO L93 Difference]: Finished difference Result 10931 states and 12933 transitions. [2020-12-22 15:55:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:55:57,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-12-22 15:55:57,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:57,405 INFO L225 Difference]: With dead ends: 10931 [2020-12-22 15:55:57,406 INFO L226 Difference]: Without dead ends: 10927 [2020-12-22 15:55:57,410 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 15:55:57,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10927 states. [2020-12-22 15:55:57,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10927 to 10927. [2020-12-22 15:55:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10927 states. [2020-12-22 15:55:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10927 states to 10927 states and 12929 transitions. [2020-12-22 15:55:57,821 INFO L78 Accepts]: Start accepts. Automaton has 10927 states and 12929 transitions. Word has length 53 [2020-12-22 15:55:57,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:57,823 INFO L481 AbstractCegarLoop]: Abstraction has 10927 states and 12929 transitions. [2020-12-22 15:55:57,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:55:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 10927 states and 12929 transitions. [2020-12-22 15:55:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 15:55:57,825 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:57,825 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] [2020-12-22 15:55:57,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 15:55:57,826 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:57,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:57,827 INFO L82 PathProgramCache]: Analyzing trace with hash 399981709, now seen corresponding path program 1 times [2020-12-22 15:55:57,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:57,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300404484] [2020-12-22 15:55:57,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:58,060 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 15:55:58,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300404484] [2020-12-22 15:55:58,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:58,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:58,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299553392] [2020-12-22 15:55:58,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:55:58,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:58,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:55:58,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:55:58,068 INFO L87 Difference]: Start difference. First operand 10927 states and 12929 transitions. Second operand 4 states. [2020-12-22 15:55:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:58,663 INFO L93 Difference]: Finished difference Result 10927 states and 12929 transitions. [2020-12-22 15:55:58,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:55:58,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-12-22 15:55:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:58,687 INFO L225 Difference]: With dead ends: 10927 [2020-12-22 15:55:58,687 INFO L226 Difference]: Without dead ends: 10923 [2020-12-22 15:55:58,692 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 15:55:58,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10923 states. [2020-12-22 15:55:59,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10923 to 10923. [2020-12-22 15:55:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10923 states. [2020-12-22 15:55:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10923 states to 10923 states and 12925 transitions. [2020-12-22 15:55:59,150 INFO L78 Accepts]: Start accepts. Automaton has 10923 states and 12925 transitions. Word has length 55 [2020-12-22 15:55:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:55:59,151 INFO L481 AbstractCegarLoop]: Abstraction has 10923 states and 12925 transitions. [2020-12-22 15:55:59,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:55:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 10923 states and 12925 transitions. [2020-12-22 15:55:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 15:55:59,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:55:59,156 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] [2020-12-22 15:55:59,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 15:55:59,157 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:55:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:55:59,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2130467472, now seen corresponding path program 1 times [2020-12-22 15:55:59,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:55:59,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262989476] [2020-12-22 15:55:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:55:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:55:59,394 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 15:55:59,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262989476] [2020-12-22 15:55:59,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:55:59,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:55:59,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529447931] [2020-12-22 15:55:59,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:55:59,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:55:59,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:55:59,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:55:59,397 INFO L87 Difference]: Start difference. First operand 10923 states and 12925 transitions. Second operand 4 states. [2020-12-22 15:55:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:55:59,915 INFO L93 Difference]: Finished difference Result 10923 states and 12925 transitions. [2020-12-22 15:55:59,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:55:59,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-12-22 15:55:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:55:59,939 INFO L225 Difference]: With dead ends: 10923 [2020-12-22 15:55:59,939 INFO L226 Difference]: Without dead ends: 10919 [2020-12-22 15:55:59,943 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 15:55:59,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10919 states. [2020-12-22 15:56:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10919 to 10919. [2020-12-22 15:56:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10919 states. [2020-12-22 15:56:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10919 states to 10919 states and 12921 transitions. [2020-12-22 15:56:00,393 INFO L78 Accepts]: Start accepts. Automaton has 10919 states and 12921 transitions. Word has length 57 [2020-12-22 15:56:00,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:00,393 INFO L481 AbstractCegarLoop]: Abstraction has 10919 states and 12921 transitions. [2020-12-22 15:56:00,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 10919 states and 12921 transitions. [2020-12-22 15:56:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 15:56:00,395 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:00,395 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] [2020-12-22 15:56:00,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 15:56:00,396 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:00,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:00,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1320024813, now seen corresponding path program 1 times [2020-12-22 15:56:00,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:00,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493525034] [2020-12-22 15:56:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:00,618 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 15:56:00,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493525034] [2020-12-22 15:56:00,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:00,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:00,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153363802] [2020-12-22 15:56:00,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:00,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:00,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:00,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:00,623 INFO L87 Difference]: Start difference. First operand 10919 states and 12921 transitions. Second operand 4 states. [2020-12-22 15:56:01,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:01,267 INFO L93 Difference]: Finished difference Result 10919 states and 12921 transitions. [2020-12-22 15:56:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:56:01,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-12-22 15:56:01,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:01,291 INFO L225 Difference]: With dead ends: 10919 [2020-12-22 15:56:01,291 INFO L226 Difference]: Without dead ends: 10915 [2020-12-22 15:56:01,295 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 15:56:01,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10915 states. [2020-12-22 15:56:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10915 to 10915. [2020-12-22 15:56:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10915 states. [2020-12-22 15:56:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10915 states to 10915 states and 12917 transitions. [2020-12-22 15:56:01,754 INFO L78 Accepts]: Start accepts. Automaton has 10915 states and 12917 transitions. Word has length 59 [2020-12-22 15:56:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:01,754 INFO L481 AbstractCegarLoop]: Abstraction has 10915 states and 12917 transitions. [2020-12-22 15:56:01,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 10915 states and 12917 transitions. [2020-12-22 15:56:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 15:56:01,756 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:01,756 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] [2020-12-22 15:56:01,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 15:56:01,756 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:01,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:01,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1528357866, now seen corresponding path program 1 times [2020-12-22 15:56:01,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:01,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634706729] [2020-12-22 15:56:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:01,926 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 15:56:01,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634706729] [2020-12-22 15:56:01,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:01,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:01,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801327790] [2020-12-22 15:56:01,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:01,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:01,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:01,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:01,929 INFO L87 Difference]: Start difference. First operand 10915 states and 12917 transitions. Second operand 4 states. [2020-12-22 15:56:02,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:02,463 INFO L93 Difference]: Finished difference Result 10915 states and 12917 transitions. [2020-12-22 15:56:02,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:56:02,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-12-22 15:56:02,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:02,488 INFO L225 Difference]: With dead ends: 10915 [2020-12-22 15:56:02,488 INFO L226 Difference]: Without dead ends: 10911 [2020-12-22 15:56:02,492 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 15:56:02,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10911 states. [2020-12-22 15:56:03,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10911 to 10911. [2020-12-22 15:56:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10911 states. [2020-12-22 15:56:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10911 states to 10911 states and 12913 transitions. [2020-12-22 15:56:03,084 INFO L78 Accepts]: Start accepts. Automaton has 10911 states and 12913 transitions. Word has length 61 [2020-12-22 15:56:03,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:03,085 INFO L481 AbstractCegarLoop]: Abstraction has 10911 states and 12913 transitions. [2020-12-22 15:56:03,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 10911 states and 12913 transitions. [2020-12-22 15:56:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-22 15:56:03,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:03,093 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] [2020-12-22 15:56:03,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 15:56:03,093 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash 127041433, now seen corresponding path program 1 times [2020-12-22 15:56:03,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:03,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102572555] [2020-12-22 15:56:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:03,303 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 15:56:03,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102572555] [2020-12-22 15:56:03,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:03,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:03,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162307453] [2020-12-22 15:56:03,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:03,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:03,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:03,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:03,307 INFO L87 Difference]: Start difference. First operand 10911 states and 12913 transitions. Second operand 4 states. [2020-12-22 15:56:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:03,797 INFO L93 Difference]: Finished difference Result 10911 states and 12913 transitions. [2020-12-22 15:56:03,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:56:03,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-12-22 15:56:03,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:03,820 INFO L225 Difference]: With dead ends: 10911 [2020-12-22 15:56:03,821 INFO L226 Difference]: Without dead ends: 10813 [2020-12-22 15:56:03,824 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 15:56:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10813 states. [2020-12-22 15:56:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10813 to 10813. [2020-12-22 15:56:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10813 states. [2020-12-22 15:56:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10813 states to 10813 states and 12780 transitions. [2020-12-22 15:56:04,204 INFO L78 Accepts]: Start accepts. Automaton has 10813 states and 12780 transitions. Word has length 63 [2020-12-22 15:56:04,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:04,204 INFO L481 AbstractCegarLoop]: Abstraction has 10813 states and 12780 transitions. [2020-12-22 15:56:04,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 10813 states and 12780 transitions. [2020-12-22 15:56:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-22 15:56:04,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:04,205 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] [2020-12-22 15:56:04,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 15:56:04,206 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:04,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:04,206 INFO L82 PathProgramCache]: Analyzing trace with hash -228169881, now seen corresponding path program 1 times [2020-12-22 15:56:04,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:04,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486077553] [2020-12-22 15:56:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:04,431 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 15:56:04,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486077553] [2020-12-22 15:56:04,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:04,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:04,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239512371] [2020-12-22 15:56:04,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:56:04,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:04,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:56:04,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:04,434 INFO L87 Difference]: Start difference. First operand 10813 states and 12780 transitions. Second operand 3 states. [2020-12-22 15:56:07,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:07,420 INFO L93 Difference]: Finished difference Result 23467 states and 28041 transitions. [2020-12-22 15:56:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:56:07,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-22 15:56:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:07,452 INFO L225 Difference]: With dead ends: 23467 [2020-12-22 15:56:07,452 INFO L226 Difference]: Without dead ends: 12717 [2020-12-22 15:56:07,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:07,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12717 states. [2020-12-22 15:56:08,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12717 to 12669. [2020-12-22 15:56:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12669 states. [2020-12-22 15:56:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12669 states to 12669 states and 15203 transitions. [2020-12-22 15:56:08,110 INFO L78 Accepts]: Start accepts. Automaton has 12669 states and 15203 transitions. Word has length 64 [2020-12-22 15:56:08,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:08,110 INFO L481 AbstractCegarLoop]: Abstraction has 12669 states and 15203 transitions. [2020-12-22 15:56:08,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:56:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 12669 states and 15203 transitions. [2020-12-22 15:56:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-22 15:56:08,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:08,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-12-22 15:56:08,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 15:56:08,113 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:08,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:08,113 INFO L82 PathProgramCache]: Analyzing trace with hash -351100239, now seen corresponding path program 1 times [2020-12-22 15:56:08,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:08,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916225272] [2020-12-22 15:56:08,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 15:56:08,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916225272] [2020-12-22 15:56:08,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:08,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:08,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629543884] [2020-12-22 15:56:08,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:56:08,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:08,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:56:08,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:08,305 INFO L87 Difference]: Start difference. First operand 12669 states and 15203 transitions. Second operand 3 states. [2020-12-22 15:56:11,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:11,045 INFO L93 Difference]: Finished difference Result 27139 states and 32808 transitions. [2020-12-22 15:56:11,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:56:11,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-22 15:56:11,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:11,064 INFO L225 Difference]: With dead ends: 27139 [2020-12-22 15:56:11,064 INFO L226 Difference]: Without dead ends: 14491 [2020-12-22 15:56:11,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14491 states. [2020-12-22 15:56:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14491 to 14443. [2020-12-22 15:56:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14443 states. [2020-12-22 15:56:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14443 states to 14443 states and 17515 transitions. [2020-12-22 15:56:11,715 INFO L78 Accepts]: Start accepts. Automaton has 14443 states and 17515 transitions. Word has length 99 [2020-12-22 15:56:11,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:11,716 INFO L481 AbstractCegarLoop]: Abstraction has 14443 states and 17515 transitions. [2020-12-22 15:56:11,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:56:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 14443 states and 17515 transitions. [2020-12-22 15:56:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-22 15:56:11,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:11,718 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-12-22 15:56:11,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 15:56:11,718 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:11,719 INFO L82 PathProgramCache]: Analyzing trace with hash -485113745, now seen corresponding path program 1 times [2020-12-22 15:56:11,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:11,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099397787] [2020-12-22 15:56:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:11,890 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 15:56:11,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099397787] [2020-12-22 15:56:11,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:11,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:11,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322782513] [2020-12-22 15:56:11,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:56:11,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:11,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:56:11,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:11,895 INFO L87 Difference]: Start difference. First operand 14443 states and 17515 transitions. Second operand 3 states. [2020-12-22 15:56:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:14,885 INFO L93 Difference]: Finished difference Result 30711 states and 37480 transitions. [2020-12-22 15:56:14,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:56:14,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-22 15:56:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:14,907 INFO L225 Difference]: With dead ends: 30711 [2020-12-22 15:56:14,907 INFO L226 Difference]: Without dead ends: 16331 [2020-12-22 15:56:14,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:14,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16331 states. [2020-12-22 15:56:15,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16331 to 16283. [2020-12-22 15:56:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16283 states. [2020-12-22 15:56:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16283 states to 16283 states and 19907 transitions. [2020-12-22 15:56:15,695 INFO L78 Accepts]: Start accepts. Automaton has 16283 states and 19907 transitions. Word has length 99 [2020-12-22 15:56:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:15,695 INFO L481 AbstractCegarLoop]: Abstraction has 16283 states and 19907 transitions. [2020-12-22 15:56:15,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:56:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16283 states and 19907 transitions. [2020-12-22 15:56:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-22 15:56:15,699 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:15,699 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 15:56:15,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 15:56:15,699 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:15,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:15,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1338291001, now seen corresponding path program 1 times [2020-12-22 15:56:15,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:15,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003476686] [2020-12-22 15:56:15,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 15:56:15,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003476686] [2020-12-22 15:56:15,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:15,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:15,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735409911] [2020-12-22 15:56:15,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:56:15,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:15,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:56:15,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:15,942 INFO L87 Difference]: Start difference. First operand 16283 states and 19907 transitions. Second operand 3 states. [2020-12-22 15:56:18,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:18,926 INFO L93 Difference]: Finished difference Result 34375 states and 42232 transitions. [2020-12-22 15:56:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:56:18,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-22 15:56:18,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:18,949 INFO L225 Difference]: With dead ends: 34375 [2020-12-22 15:56:18,949 INFO L226 Difference]: Without dead ends: 18155 [2020-12-22 15:56:18,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:18,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18155 states. [2020-12-22 15:56:19,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18155 to 18107. [2020-12-22 15:56:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18107 states. [2020-12-22 15:56:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18107 states to 18107 states and 22283 transitions. [2020-12-22 15:56:19,636 INFO L78 Accepts]: Start accepts. Automaton has 18107 states and 22283 transitions. Word has length 138 [2020-12-22 15:56:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:19,637 INFO L481 AbstractCegarLoop]: Abstraction has 18107 states and 22283 transitions. [2020-12-22 15:56:19,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:56:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 18107 states and 22283 transitions. [2020-12-22 15:56:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-22 15:56:19,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:19,639 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 15:56:19,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 15:56:19,639 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:19,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1472304507, now seen corresponding path program 1 times [2020-12-22 15:56:19,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:19,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571397133] [2020-12-22 15:56:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 15:56:19,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571397133] [2020-12-22 15:56:19,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:19,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:19,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429078708] [2020-12-22 15:56:19,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:56:19,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:19,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:56:19,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:19,847 INFO L87 Difference]: Start difference. First operand 18107 states and 22283 transitions. Second operand 3 states. [2020-12-22 15:56:22,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:22,814 INFO L93 Difference]: Finished difference Result 38031 states and 47000 transitions. [2020-12-22 15:56:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:56:22,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-22 15:56:22,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:22,840 INFO L225 Difference]: With dead ends: 38031 [2020-12-22 15:56:22,840 INFO L226 Difference]: Without dead ends: 19987 [2020-12-22 15:56:22,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:22,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19987 states. [2020-12-22 15:56:23,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19987 to 19939. [2020-12-22 15:56:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19939 states. [2020-12-22 15:56:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19939 states to 19939 states and 24667 transitions. [2020-12-22 15:56:23,615 INFO L78 Accepts]: Start accepts. Automaton has 19939 states and 24667 transitions. Word has length 138 [2020-12-22 15:56:23,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:23,616 INFO L481 AbstractCegarLoop]: Abstraction has 19939 states and 24667 transitions. [2020-12-22 15:56:23,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:56:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 19939 states and 24667 transitions. [2020-12-22 15:56:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-22 15:56:23,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:23,619 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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 15:56:23,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 15:56:23,620 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:23,620 INFO L82 PathProgramCache]: Analyzing trace with hash -665923043, now seen corresponding path program 1 times [2020-12-22 15:56:23,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:23,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958050693] [2020-12-22 15:56:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-22 15:56:23,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958050693] [2020-12-22 15:56:23,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:23,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:56:23,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304338068] [2020-12-22 15:56:23,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:23,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:23,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:23,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:23,843 INFO L87 Difference]: Start difference. First operand 19939 states and 24667 transitions. Second operand 4 states. [2020-12-22 15:56:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:27,878 INFO L93 Difference]: Finished difference Result 61275 states and 75935 transitions. [2020-12-22 15:56:27,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:56:27,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2020-12-22 15:56:27,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:27,936 INFO L225 Difference]: With dead ends: 61275 [2020-12-22 15:56:27,936 INFO L226 Difference]: Without dead ends: 41399 [2020-12-22 15:56:27,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:56:28,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41399 states. [2020-12-22 15:56:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41399 to 21731. [2020-12-22 15:56:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21731 states. [2020-12-22 15:56:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21731 states to 21731 states and 27011 transitions. [2020-12-22 15:56:29,264 INFO L78 Accepts]: Start accepts. Automaton has 21731 states and 27011 transitions. Word has length 163 [2020-12-22 15:56:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:29,265 INFO L481 AbstractCegarLoop]: Abstraction has 21731 states and 27011 transitions. [2020-12-22 15:56:29,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 21731 states and 27011 transitions. [2020-12-22 15:56:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-22 15:56:29,267 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:29,267 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-12-22 15:56:29,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 15:56:29,268 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:29,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1966091668, now seen corresponding path program 1 times [2020-12-22 15:56:29,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:29,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431673864] [2020-12-22 15:56:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-22 15:56:29,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431673864] [2020-12-22 15:56:29,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:29,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:56:29,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294569229] [2020-12-22 15:56:29,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:56:29,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:29,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:56:29,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:29,590 INFO L87 Difference]: Start difference. First operand 21731 states and 27011 transitions. Second operand 3 states. [2020-12-22 15:56:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:30,991 INFO L93 Difference]: Finished difference Result 41551 states and 51553 transitions. [2020-12-22 15:56:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:56:30,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-12-22 15:56:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:31,013 INFO L225 Difference]: With dead ends: 41551 [2020-12-22 15:56:31,013 INFO L226 Difference]: Without dead ends: 19883 [2020-12-22 15:56:31,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:56:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19883 states. [2020-12-22 15:56:32,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19883 to 19883. [2020-12-22 15:56:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19883 states. [2020-12-22 15:56:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19883 states to 19883 states and 23251 transitions. [2020-12-22 15:56:32,094 INFO L78 Accepts]: Start accepts. Automaton has 19883 states and 23251 transitions. Word has length 164 [2020-12-22 15:56:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:32,094 INFO L481 AbstractCegarLoop]: Abstraction has 19883 states and 23251 transitions. [2020-12-22 15:56:32,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:56:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 19883 states and 23251 transitions. [2020-12-22 15:56:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-22 15:56:32,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:32,098 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-12-22 15:56:32,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 15:56:32,099 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:32,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:32,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1966032086, now seen corresponding path program 1 times [2020-12-22 15:56:32,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:32,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265890582] [2020-12-22 15:56:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-22 15:56:32,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265890582] [2020-12-22 15:56:32,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:32,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:32,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165921214] [2020-12-22 15:56:32,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:32,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:32,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:32,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:32,376 INFO L87 Difference]: Start difference. First operand 19883 states and 23251 transitions. Second operand 4 states. [2020-12-22 15:56:33,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:33,640 INFO L93 Difference]: Finished difference Result 21258 states and 24842 transitions. [2020-12-22 15:56:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:56:33,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2020-12-22 15:56:33,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:33,662 INFO L225 Difference]: With dead ends: 21258 [2020-12-22 15:56:33,663 INFO L226 Difference]: Without dead ends: 21244 [2020-12-22 15:56:33,667 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 15:56:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21244 states. [2020-12-22 15:56:34,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21244 to 19869. [2020-12-22 15:56:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19869 states. [2020-12-22 15:56:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19869 states to 19869 states and 23092 transitions. [2020-12-22 15:56:34,617 INFO L78 Accepts]: Start accepts. Automaton has 19869 states and 23092 transitions. Word has length 164 [2020-12-22 15:56:34,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:34,617 INFO L481 AbstractCegarLoop]: Abstraction has 19869 states and 23092 transitions. [2020-12-22 15:56:34,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:34,618 INFO L276 IsEmpty]: Start isEmpty. Operand 19869 states and 23092 transitions. [2020-12-22 15:56:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-22 15:56:34,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:34,621 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-12-22 15:56:34,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 15:56:34,621 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:34,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:34,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1865075794, now seen corresponding path program 1 times [2020-12-22 15:56:34,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:34,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561903582] [2020-12-22 15:56:34,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-22 15:56:34,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561903582] [2020-12-22 15:56:34,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:34,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:56:34,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657922529] [2020-12-22 15:56:34,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:34,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:34,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:34,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:34,819 INFO L87 Difference]: Start difference. First operand 19869 states and 23092 transitions. Second operand 4 states. [2020-12-22 15:56:38,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:38,530 INFO L93 Difference]: Finished difference Result 21410 states and 24849 transitions. [2020-12-22 15:56:38,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:56:38,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 170 [2020-12-22 15:56:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:38,555 INFO L225 Difference]: With dead ends: 21410 [2020-12-22 15:56:38,555 INFO L226 Difference]: Without dead ends: 21220 [2020-12-22 15:56:38,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:56:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21220 states. [2020-12-22 15:56:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21220 to 19679. [2020-12-22 15:56:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19679 states. [2020-12-22 15:56:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19679 states to 19679 states and 22721 transitions. [2020-12-22 15:56:39,582 INFO L78 Accepts]: Start accepts. Automaton has 19679 states and 22721 transitions. Word has length 170 [2020-12-22 15:56:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:39,582 INFO L481 AbstractCegarLoop]: Abstraction has 19679 states and 22721 transitions. [2020-12-22 15:56:39,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 19679 states and 22721 transitions. [2020-12-22 15:56:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-22 15:56:39,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:39,586 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-12-22 15:56:39,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 15:56:39,586 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:39,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:39,587 INFO L82 PathProgramCache]: Analyzing trace with hash -562314245, now seen corresponding path program 1 times [2020-12-22 15:56:39,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:39,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964684656] [2020-12-22 15:56:39,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-22 15:56:39,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964684656] [2020-12-22 15:56:39,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:39,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:56:39,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271523416] [2020-12-22 15:56:39,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:39,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:39,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:39,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:39,876 INFO L87 Difference]: Start difference. First operand 19679 states and 22721 transitions. Second operand 4 states. [2020-12-22 15:56:41,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:41,082 INFO L93 Difference]: Finished difference Result 21054 states and 24312 transitions. [2020-12-22 15:56:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:56:41,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 176 [2020-12-22 15:56:41,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:41,108 INFO L225 Difference]: With dead ends: 21054 [2020-12-22 15:56:41,108 INFO L226 Difference]: Without dead ends: 21044 [2020-12-22 15:56:41,114 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 15:56:41,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21044 states. [2020-12-22 15:56:42,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21044 to 19669. [2020-12-22 15:56:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19669 states. [2020-12-22 15:56:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19669 states to 19669 states and 22580 transitions. [2020-12-22 15:56:42,542 INFO L78 Accepts]: Start accepts. Automaton has 19669 states and 22580 transitions. Word has length 176 [2020-12-22 15:56:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:42,542 INFO L481 AbstractCegarLoop]: Abstraction has 19669 states and 22580 transitions. [2020-12-22 15:56:42,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 19669 states and 22580 transitions. [2020-12-22 15:56:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-22 15:56:42,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:56:42,546 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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 15:56:42,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 15:56:42,546 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:56:42,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:56:42,547 INFO L82 PathProgramCache]: Analyzing trace with hash -884580861, now seen corresponding path program 1 times [2020-12-22 15:56:42,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:56:42,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742633531] [2020-12-22 15:56:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:56:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:56:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-22 15:56:42,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742633531] [2020-12-22 15:56:42,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:56:42,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:56:42,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133689147] [2020-12-22 15:56:42,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:56:42,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:56:42,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:56:42,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:56:42,791 INFO L87 Difference]: Start difference. First operand 19669 states and 22580 transitions. Second operand 4 states. [2020-12-22 15:56:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:56:46,282 INFO L93 Difference]: Finished difference Result 21210 states and 24337 transitions. [2020-12-22 15:56:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:56:46,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2020-12-22 15:56:46,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:56:46,285 INFO L225 Difference]: With dead ends: 21210 [2020-12-22 15:56:46,285 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 15:56:46,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:56:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 15:56:46,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 15:56:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 15:56:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 15:56:46,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2020-12-22 15:56:46,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:56:46,297 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 15:56:46,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:56:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 15:56:46,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 15:56:46,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 15:56:46,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 15:56:47,203 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 137 [2020-12-22 15:56:48,721 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2020-12-22 15:56:49,052 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 65 [2020-12-22 15:56:50,634 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 65 [2020-12-22 15:56:51,668 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 65 [2020-12-22 15:56:52,459 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 137 [2020-12-22 15:56:55,844 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 137 [2020-12-22 15:56:56,348 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 137 [2020-12-22 15:56:58,108 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 65 [2020-12-22 15:57:01,735 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 137 [2020-12-22 15:57:05,200 WARN L197 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-12-22 15:57:05,350 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:05,555 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:05,806 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:06,246 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:06,851 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:07,473 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:07,646 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:57:07,860 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:57:08,231 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:09,115 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:09,492 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:09,896 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:10,342 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:10,706 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:10,826 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:11,226 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:11,593 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:12,030 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:12,153 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,273 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,391 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,510 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,630 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,751 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,871 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:12,991 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:13,108 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:13,262 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:13,682 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:13,804 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:14,229 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:14,642 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:15,000 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:15,537 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:57:15,962 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:16,482 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:17,694 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:18,162 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:19,538 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:19,905 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:20,651 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:20,839 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-22 15:57:21,254 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:21,745 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:22,334 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:57:22,781 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:23,355 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:23,519 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:57:24,011 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:24,212 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:57:24,703 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:25,235 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:25,783 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:26,274 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:26,868 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:27,383 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:27,894 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:28,229 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-12-22 15:57:28,695 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:29,282 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:29,762 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:57:30,261 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:30,675 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2020-12-22 15:57:31,160 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2020-12-22 15:57:31,666 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:32,174 WARN L197 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:32,715 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:33,192 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2020-12-22 15:57:33,682 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:34,217 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:34,755 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:35,416 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:57:35,892 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:36,380 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:36,976 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:37,466 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:37,893 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:38,317 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:38,685 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:39,158 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:39,575 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:39,943 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:40,361 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:40,725 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:41,191 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:41,561 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:41,977 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:42,391 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:42,804 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:43,177 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:43,607 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:44,038 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:44,537 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:44,969 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:45,401 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:45,775 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:47,641 WARN L197 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-12-22 15:57:48,027 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:48,400 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:57:48,796 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:57:48,933 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:49,233 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-22 15:57:49,648 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:49,792 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:49,937 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:50,332 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:57:50,479 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:50,893 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:57:51,035 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:51,181 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:51,327 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:51,471 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:51,910 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:52,052 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:52,199 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:52,347 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:52,494 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:52,648 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:52,795 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:52,944 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:53,090 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:53,231 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:53,368 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:53,514 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:53,662 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:53,807 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:54,405 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:57:54,596 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:57:54,805 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:57:56,187 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:56,598 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:57:57,022 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:57,468 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:58,023 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:57:58,699 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:57:59,172 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:57:59,588 WARN L197 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:00,115 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:00,838 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:01,291 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:01,922 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:02,354 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:02,774 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:03,187 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:03,600 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:04,018 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:04,322 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-22 15:58:04,741 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:05,170 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:05,591 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:06,007 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:06,152 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:58:06,618 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:07,136 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:58:07,602 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:08,089 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:08,483 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:58:08,892 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:58:09,321 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:09,695 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:10,132 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:10,510 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:10,926 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:11,294 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:11,658 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:11,889 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:58:12,261 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:12,690 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:13,231 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:13,618 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:14,150 WARN L197 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:14,537 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:14,936 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:15,511 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:15,704 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:58:16,168 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:16,318 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:58:16,725 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:17,189 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:17,346 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-22 15:58:17,863 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:18,297 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:18,779 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:19,198 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-12-22 15:58:19,623 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:20,099 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:20,624 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:21,046 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:21,562 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:22,034 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:22,508 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:23,163 WARN L197 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:23,768 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:24,227 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:24,625 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-22 15:58:25,178 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:25,599 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:58:25,991 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-22 15:58:26,902 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:27,040 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:27,181 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:27,323 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:27,659 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-22 15:58:27,814 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:27,967 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:28,498 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:28,642 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:29,734 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:30,156 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:30,566 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:31,073 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:31,440 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:31,917 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:33,829 WARN L197 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-12-22 15:58:34,606 WARN L197 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:58:36,807 WARN L197 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-12-22 15:58:37,424 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:58:38,070 WARN L197 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:58:38,476 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:38,811 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:58:40,159 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-12-22 15:58:40,653 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:41,075 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:41,606 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:41,750 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-22 15:58:42,163 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:42,564 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:43,076 WARN L197 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:43,866 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:44,776 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:45,248 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:45,640 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:46,151 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:46,581 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:47,115 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:47,630 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:48,236 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-22 15:58:48,945 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:49,438 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:49,855 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:50,272 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:50,687 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:51,103 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:51,523 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:51,949 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:52,356 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:52,585 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:58:52,726 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:53,122 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:53,271 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:58:53,569 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:58:54,052 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:54,400 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-22 15:58:54,997 WARN L197 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:58:55,550 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:56,089 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:56,403 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-22 15:58:57,089 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:58:57,493 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:57,678 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:58:58,080 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:58,260 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:58:58,810 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:59,217 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:58:59,698 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:00,243 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:00,997 WARN L197 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:59:01,426 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:01,916 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:02,319 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:02,763 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:59:02,933 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 15:59:03,830 WARN L197 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2020-12-22 15:59:03,969 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:04,649 WARN L197 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:59:05,261 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:59:05,577 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-22 15:59:06,167 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-12-22 15:59:06,988 WARN L197 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2020-12-22 15:59:07,129 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:08,004 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:08,416 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:08,767 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:09,203 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:09,437 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:09,843 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:09,974 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:10,320 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-12-22 15:59:10,472 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:10,621 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-22 15:59:11,117 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:11,619 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:59:12,045 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:12,527 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:59:13,031 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:59:13,457 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:13,948 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:59:14,399 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:14,888 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2020-12-22 15:59:15,303 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-12-22 15:59:15,792 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34