/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-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:47:42,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:47:42,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:47:42,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:47:42,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:47:42,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:47:42,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:47:42,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:47:42,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:47:42,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:47:42,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:47:42,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:47:42,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:47:42,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:47:42,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:47:42,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:47:42,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:47:42,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:47:42,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:47:42,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:47:42,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:47:42,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:47:42,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:47:42,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:47:42,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 11:47:42,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 11:47:42,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 11:47:42,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 11:47:42,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 11:47:42,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 11:47:42,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:47:42,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:47:42,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:47:42,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:47:42,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:47:42,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:47:42,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:47:42,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:47:42,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:47:42,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:47:42,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:47:42,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:47:42,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:47:42,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:47:42,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:47:42,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:47:42,484 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:47:42,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:47:42,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:47:42,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:47:42,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:47:42,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:47:42,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:47:42,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:47:42,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:47:42,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:47:42,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:47:42,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:47:42,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:47:42,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:47:42,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:47:42,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:47:42,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:47:42,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:47:42,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:47:42,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:47:42,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:47:42,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:47:42,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:47:42,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:47:42,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:47:42,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:47:42,983 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:47:42,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2020-12-22 11:47:43,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c19966d9/00efab5157664f419c00705c0c1664ad/FLAGafd694cd7 [2020-12-22 11:47:44,188 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:47:44,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2020-12-22 11:47:44,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c19966d9/00efab5157664f419c00705c0c1664ad/FLAGafd694cd7 [2020-12-22 11:47:44,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c19966d9/00efab5157664f419c00705c0c1664ad [2020-12-22 11:47:44,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:47:44,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:47:44,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:47:44,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:47:44,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:47:44,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:47:44" (1/1) ... [2020-12-22 11:47:44,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c09c463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:44, skipping insertion in model container [2020-12-22 11:47:44,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:47:44" (1/1) ... [2020-12-22 11:47:44,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:47:44,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:47:46,440 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-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2020-12-22 11:47:46,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:47:46,512 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:47:46,971 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-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2020-12-22 11:47:47,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:47:47,377 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:47:47,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47 WrapperNode [2020-12-22 11:47:47,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:47:47,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:47:47,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:47:47,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:47:47,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:47,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:48,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:47:48,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:47:48,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:47:48,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:47:48,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:48,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:48,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:48,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:49,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:49,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:49,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (1/1) ... [2020-12-22 11:47:49,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:47:49,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:47:49,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:47:49,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:47:49,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (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 11:47:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 11:47:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 11:47:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:47:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 11:47:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:47:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 11:47:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 11:47:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 11:47:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 11:47:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:47:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 11:47:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 11:47:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 11:47:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:47:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:47:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:47:51,008 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-22 11:47:51,090 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-22 11:47:51,226 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-22 11:47:51,275 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-22 11:48:17,266 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2020-12-22 11:48:17,267 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2020-12-22 11:48:17,267 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2020-12-22 11:48:17,267 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2020-12-22 11:48:17,267 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2509: assume !false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2513: assume false; [2020-12-22 11:48:17,268 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2514: assume !false; [2020-12-22 11:48:17,269 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2519: assume !false; [2020-12-22 11:48:17,269 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2518: assume false; [2020-12-22 11:48:17,269 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2502: assume !false; [2020-12-22 11:48:17,269 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2501: assume false; [2020-12-22 11:48:17,269 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2508: assume false; [2020-12-22 11:48:17,269 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2591: assume !false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2590: assume false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2595: assume false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2596: assume !false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2580: assume !false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2584: assume false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2020-12-22 11:48:17,270 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2585: assume !false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2570: assume !false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2579: assume false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2020-12-22 11:48:17,271 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2020-12-22 11:48:17,272 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2564: assume false; [2020-12-22 11:48:17,272 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2565: assume !false; [2020-12-22 11:48:17,272 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2569: assume false; [2020-12-22 11:48:17,272 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2020-12-22 11:48:17,272 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2020-12-22 11:48:17,272 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2020-12-22 11:48:17,273 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2020-12-22 11:48:17,273 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2540: assume !false; [2020-12-22 11:48:17,273 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2020-12-22 11:48:17,273 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2020-12-22 11:48:17,273 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2544: assume false; [2020-12-22 11:48:17,273 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2545: assume !false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2535: assume !false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2534: assume false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2020-12-22 11:48:17,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2539: assume false; [2020-12-22 11:48:17,275 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2020-12-22 11:48:17,275 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2020-12-22 11:48:17,275 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2020-12-22 11:48:17,275 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2020-12-22 11:48:17,275 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2020-12-22 11:48:17,276 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2020-12-22 11:48:17,276 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2020-12-22 11:48:17,276 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2020-12-22 11:48:17,276 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume false; [2020-12-22 11:48:17,276 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2497: assume !false; [2020-12-22 11:48:17,276 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2020-12-22 11:48:17,277 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2020-12-22 11:48:17,277 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2020-12-22 11:48:17,277 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2020-12-22 11:48:17,277 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3712: assume !false; [2020-12-22 11:48:17,277 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3711: assume false; [2020-12-22 11:48:17,278 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3701: assume false; [2020-12-22 11:48:17,278 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3702: assume !false; [2020-12-22 11:48:17,278 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3707: assume !false; [2020-12-22 11:48:17,278 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3706: assume false; [2020-12-22 11:48:17,278 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2472: assume !false; [2020-12-22 11:48:17,278 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2476: assume false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2477: assume !false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2020-12-22 11:48:17,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2450: assume false; [2020-12-22 11:48:17,280 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3783: assume !false; [2020-12-22 11:48:17,280 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2451: assume !false; [2020-12-22 11:48:17,280 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3782: assume false; [2020-12-22 11:48:17,280 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3787: assume false; [2020-12-22 11:48:17,280 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3788: assume !false; [2020-12-22 11:48:17,280 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume false; [2020-12-22 11:48:17,281 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2446: assume !false; [2020-12-22 11:48:17,281 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2020-12-22 11:48:17,281 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3763: assume !false; [2020-12-22 11:48:17,281 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3762: assume false; [2020-12-22 11:48:17,281 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3752: assume !false; [2020-12-22 11:48:17,281 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3751: assume false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3758: assume !false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3757: assume false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3747: assume !false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3746: assume false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3732: assume !false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3731: assume false; [2020-12-22 11:48:17,282 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3736: assume false; [2020-12-22 11:48:17,283 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3737: assume !false; [2020-12-22 11:48:17,283 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2020-12-22 11:48:17,283 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2020-12-22 11:48:17,283 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2020-12-22 11:48:17,283 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2020-12-22 11:48:17,283 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2020-12-22 11:48:17,284 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume !false; [2020-12-22 11:48:17,284 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2390: assume false; [2020-12-22 11:48:17,284 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2382: assume !false; [2020-12-22 11:48:17,284 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2381: assume false; [2020-12-22 11:48:17,284 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2020-12-22 11:48:17,284 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2020-12-22 11:48:17,285 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2373: assume !false; [2020-12-22 11:48:17,285 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume false; [2020-12-22 11:48:17,285 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3680: assume false; [2020-12-22 11:48:17,285 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3681: assume !false; [2020-12-22 11:48:17,285 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3686: assume !false; [2020-12-22 11:48:17,285 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3685: assume false; [2020-12-22 11:48:17,286 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3675: assume false; [2020-12-22 11:48:17,286 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume !false; [2020-12-22 11:48:17,286 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2348: assume false; [2020-12-22 11:48:17,286 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2349: assume !false; [2020-12-22 11:48:17,286 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3664: assume !false; [2020-12-22 11:48:17,286 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3663: assume false; [2020-12-22 11:48:17,287 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3668: assume false; [2020-12-22 11:48:17,287 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3669: assume !false; [2020-12-22 11:48:17,287 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3644: assume !false; [2020-12-22 11:48:17,287 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3643: assume false; [2020-12-22 11:48:17,287 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3633: assume !false; [2020-12-22 11:48:17,287 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3632: assume false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3639: assume !false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3638: assume false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3628: assume !false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3627: assume false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3613: assume !false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3612: assume false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3617: assume false; [2020-12-22 11:48:17,288 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3618: assume !false; [2020-12-22 11:48:17,289 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2281: assume !false; [2020-12-22 11:48:17,289 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2280: assume false; [2020-12-22 11:48:17,289 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2020-12-22 11:48:17,289 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2020-12-22 11:48:17,289 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2020-12-22 11:48:17,289 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2020-12-22 11:48:17,290 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3540: assume !false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3549: assume !false; [2020-12-22 11:48:17,291 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3548: assume false; [2020-12-22 11:48:17,292 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3539: assume false; [2020-12-22 11:48:17,292 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume !false; [2020-12-22 11:48:17,292 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3515: assume false; [2020-12-22 11:48:17,292 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1705: assume false; [2020-12-22 11:48:17,292 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2975: assume false; [2020-12-22 11:48:17,292 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2976: assume !false; [2020-12-22 11:48:17,293 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1681: assume false; [2020-12-22 11:48:17,293 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1682: assume !false; [2020-12-22 11:48:17,293 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2020-12-22 11:48:17,406 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2020-12-22 11:48:17,406 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2020-12-22 11:48:17,407 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2621: assume !false; [2020-12-22 11:48:17,407 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2620: assume false; [2020-12-22 11:48:17,407 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2616: assume !false; [2020-12-22 11:48:17,407 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2615: assume false; [2020-12-22 11:48:17,407 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2020-12-22 11:48:17,407 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2020-12-22 11:48:17,408 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4370: assume false; [2020-12-22 11:48:17,409 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4371: assume !false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4376: assume !false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4375: assume false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4361: assume !false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4360: assume false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4355: assume false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4356: assume !false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4330: assume false; [2020-12-22 11:48:17,410 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4331: assume !false; [2020-12-22 11:48:17,411 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4336: assume !false; [2020-12-22 11:48:17,411 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4335: assume false; [2020-12-22 11:48:17,411 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4325: assume false; [2020-12-22 11:48:17,414 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4326: assume !false; [2020-12-22 11:48:17,414 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4310: assume !false; [2020-12-22 11:48:17,414 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4300: assume !false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4304: assume false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4305: assume !false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4309: assume false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4381: assume false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4382: assume !false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4387: assume !false; [2020-12-22 11:48:17,415 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4386: assume false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2020-12-22 11:48:17,416 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2020-12-22 11:48:17,417 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2020-12-22 11:48:17,418 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4251: assume false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4252: assume !false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4256: assume false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4257: assume !false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4241: assume false; [2020-12-22 11:48:17,419 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4242: assume !false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4237: assume !false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4236: assume false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2020-12-22 11:48:17,420 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4292: assume false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4293: assume !false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4299: assume false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4288: assume !false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4287: assume false; [2020-12-22 11:48:17,421 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4262: assume false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume !false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4267: assume false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4268: assume !false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2020-12-22 11:48:17,422 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2020-12-22 11:48:17,423 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2020-12-22 11:48:17,424 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2020-12-22 11:48:17,424 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2020-12-22 11:48:17,424 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2020-12-22 11:48:17,424 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2020-12-22 11:48:17,424 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2020-12-22 11:48:17,424 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4181: assume false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume !false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4172: assume false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4173: assume !false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4163: assume false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4164: assume !false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2020-12-22 11:48:17,425 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2020-12-22 11:48:17,426 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2020-12-22 11:48:17,426 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2020-12-22 11:48:17,426 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2020-12-22 11:48:17,426 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2020-12-22 11:48:17,426 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2020-12-22 11:48:17,426 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2020-12-22 11:48:17,427 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2020-12-22 11:48:17,427 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2020-12-22 11:48:17,427 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2020-12-22 11:48:17,427 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2020-12-22 11:48:17,427 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2020-12-22 11:48:17,427 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3372: assume false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3373: assume !false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3367: assume false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3368: assume !false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2020-12-22 11:48:17,428 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2020-12-22 11:48:17,430 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2020-12-22 11:48:17,430 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2020-12-22 11:48:17,430 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3343: assume !false; [2020-12-22 11:48:17,430 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3342: assume false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3347: assume false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3348: assume !false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3332: assume !false; [2020-12-22 11:48:17,431 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3331: assume false; [2020-12-22 11:48:17,432 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3336: assume false; [2020-12-22 11:48:17,432 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2020-12-22 11:48:17,432 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3337: assume !false; [2020-12-22 11:48:17,432 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3321: assume false; [2020-12-22 11:48:17,432 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3322: assume !false; [2020-12-22 11:48:17,432 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3316: assume false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3317: assume !false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3286: assume false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3287: assume !false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3271: assume !false; [2020-12-22 11:48:17,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3270: assume false; [2020-12-22 11:48:17,434 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3260: assume false; [2020-12-22 11:48:17,434 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume !false; [2020-12-22 11:48:17,436 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3266: assume !false; [2020-12-22 11:48:17,436 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3265: assume false; [2020-12-22 11:48:17,436 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3253: assume false; [2020-12-22 11:48:17,436 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3254: assume !false; [2020-12-22 11:48:17,436 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3248: assume false; [2020-12-22 11:48:17,436 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3249: assume !false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3224: assume !false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3223: assume false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3228: assume false; [2020-12-22 11:48:17,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3229: assume !false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3213: assume !false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3212: assume false; [2020-12-22 11:48:17,438 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3217: assume false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3218: assume !false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2020-12-22 11:48:17,439 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2020-12-22 11:48:17,440 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3291: assume false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3292: assume !false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3297: assume !false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3296: assume false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3202: assume false; [2020-12-22 11:48:17,441 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3203: assume !false; [2020-12-22 11:48:17,442 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2020-12-22 11:48:17,442 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2020-12-22 11:48:17,446 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3134: assume !false; [2020-12-22 11:48:17,447 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3133: assume false; [2020-12-22 11:48:17,447 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3125: assume !false; [2020-12-22 11:48:17,448 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3124: assume false; [2020-12-22 11:48:17,452 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3198: assume !false; [2020-12-22 11:48:17,452 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3197: assume false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4411: assume false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4412: assume !false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4406: assume false; [2020-12-22 11:48:17,453 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4407: assume !false; [2020-12-22 11:48:17,460 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1948: assume false; [2020-12-22 11:48:17,460 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1949: assume !false; [2020-12-22 11:48:17,460 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1953: assume false; [2020-12-22 11:48:17,460 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1954: assume !false; [2020-12-22 11:48:17,461 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1928: assume false; [2020-12-22 11:48:17,461 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1929: assume !false; [2020-12-22 11:48:17,461 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume false; [2020-12-22 11:48:17,461 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1918: assume !false; [2020-12-22 11:48:17,461 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1923: assume false; [2020-12-22 11:48:17,461 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1924: assume !false; [2020-12-22 11:48:17,462 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume false; [2020-12-22 11:48:17,462 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1913: assume !false; [2020-12-22 11:48:17,462 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1902: assume false; [2020-12-22 11:48:17,463 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1903: assume !false; [2020-12-22 11:48:17,463 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1897: assume false; [2020-12-22 11:48:17,463 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1898: assume !false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1872: assume false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1873: assume !false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1878: assume !false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1867: assume false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1868: assume !false; [2020-12-22 11:48:17,464 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1851: assume false; [2020-12-22 11:48:17,465 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1852: assume !false; [2020-12-22 11:48:17,465 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume false; [2020-12-22 11:48:17,465 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1842: assume !false; [2020-12-22 11:48:17,465 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1846: assume false; [2020-12-22 11:48:17,466 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1847: assume !false; [2020-12-22 11:48:17,466 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1829: assume false; [2020-12-22 11:48:17,466 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume !false; [2020-12-22 11:48:17,466 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1834: assume false; [2020-12-22 11:48:17,466 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume !false; [2020-12-22 11:48:17,466 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1783: assume false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1784: assume !false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1778: assume false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1779: assume !false; [2020-12-22 11:48:17,467 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1723: assume false; [2020-12-22 11:48:17,468 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1724: assume !false; [2020-12-22 11:48:17,468 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1706: assume !false; [2020-12-22 11:48:17,468 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1714: assume false; [2020-12-22 11:48:17,469 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1715: assume !false; [2020-12-22 11:48:17,469 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume false; [2020-12-22 11:48:17,469 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1794: assume !false; [2020-12-22 11:48:17,469 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume false; [2020-12-22 11:48:17,469 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1799: assume !false; [2020-12-22 11:48:17,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:48:17,520 INFO L299 CfgBuilder]: Removed 4253 assume(true) statements. [2020-12-22 11:48:17,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:48:17 BoogieIcfgContainer [2020-12-22 11:48:17,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:48:17,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:48:17,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:48:17,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:48:17,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:47:44" (1/3) ... [2020-12-22 11:48:17,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ac57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:48:17, skipping insertion in model container [2020-12-22 11:48:17,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:47:47" (2/3) ... [2020-12-22 11:48:17,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ac57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:48:17, skipping insertion in model container [2020-12-22 11:48:17,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:48:17" (3/3) ... [2020-12-22 11:48:17,541 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2020-12-22 11:48:17,548 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:48:17,556 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2020-12-22 11:48:17,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2020-12-22 11:48:17,636 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:48:17,636 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:48:17,636 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:48:17,636 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:48:17,636 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:48:17,636 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:48:17,636 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:48:17,636 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:48:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 4472 states. [2020-12-22 11:48:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:48:17,728 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:17,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:48:17,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:17,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:17,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1415825750, now seen corresponding path program 1 times [2020-12-22 11:48:17,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:17,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353400354] [2020-12-22 11:48:17,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:18,322 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 11:48:18,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353400354] [2020-12-22 11:48:18,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:18,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:48:18,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249456664] [2020-12-22 11:48:18,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:48:18,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:18,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:48:18,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:48:18,344 INFO L87 Difference]: Start difference. First operand 4472 states. Second operand 3 states. [2020-12-22 11:48:19,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:19,084 INFO L93 Difference]: Finished difference Result 12890 states and 17676 transitions. [2020-12-22 11:48:19,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:48:19,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-22 11:48:19,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:19,163 INFO L225 Difference]: With dead ends: 12890 [2020-12-22 11:48:19,164 INFO L226 Difference]: Without dead ends: 8380 [2020-12-22 11:48:19,188 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 11:48:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8380 states. [2020-12-22 11:48:19,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8380 to 8344. [2020-12-22 11:48:19,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8344 states. [2020-12-22 11:48:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8344 states to 8344 states and 10940 transitions. [2020-12-22 11:48:19,570 INFO L78 Accepts]: Start accepts. Automaton has 8344 states and 10940 transitions. Word has length 9 [2020-12-22 11:48:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:19,571 INFO L481 AbstractCegarLoop]: Abstraction has 8344 states and 10940 transitions. [2020-12-22 11:48:19,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:48:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 8344 states and 10940 transitions. [2020-12-22 11:48:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 11:48:19,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:19,585 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] [2020-12-22 11:48:19,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:48:19,586 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:19,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:19,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1041648290, now seen corresponding path program 1 times [2020-12-22 11:48:19,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:19,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117894635] [2020-12-22 11:48:19,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:19,796 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 11:48:19,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117894635] [2020-12-22 11:48:19,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:19,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:48:19,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972026947] [2020-12-22 11:48:19,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:48:19,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:19,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:48:19,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:48:19,800 INFO L87 Difference]: Start difference. First operand 8344 states and 10940 transitions. Second operand 4 states. [2020-12-22 11:48:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:20,137 INFO L93 Difference]: Finished difference Result 16625 states and 21802 transitions. [2020-12-22 11:48:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:48:20,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-12-22 11:48:20,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:20,182 INFO L225 Difference]: With dead ends: 16625 [2020-12-22 11:48:20,182 INFO L226 Difference]: Without dead ends: 8344 [2020-12-22 11:48:20,199 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 11:48:20,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8344 states. [2020-12-22 11:48:20,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8344 to 8344. [2020-12-22 11:48:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8344 states. [2020-12-22 11:48:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8344 states to 8344 states and 10938 transitions. [2020-12-22 11:48:20,454 INFO L78 Accepts]: Start accepts. Automaton has 8344 states and 10938 transitions. Word has length 29 [2020-12-22 11:48:20,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:20,454 INFO L481 AbstractCegarLoop]: Abstraction has 8344 states and 10938 transitions. [2020-12-22 11:48:20,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:48:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 8344 states and 10938 transitions. [2020-12-22 11:48:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 11:48:20,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:20,456 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] [2020-12-22 11:48:20,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 11:48:20,457 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:20,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:20,458 INFO L82 PathProgramCache]: Analyzing trace with hash -216111537, now seen corresponding path program 1 times [2020-12-22 11:48:20,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:20,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871339586] [2020-12-22 11:48:20,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:20,764 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 11:48:20,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871339586] [2020-12-22 11:48:20,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:20,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:48:20,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840931145] [2020-12-22 11:48:20,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:48:20,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:20,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:48:20,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:48:20,766 INFO L87 Difference]: Start difference. First operand 8344 states and 10938 transitions. Second operand 3 states. [2020-12-22 11:48:21,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:21,077 INFO L93 Difference]: Finished difference Result 16680 states and 21866 transitions. [2020-12-22 11:48:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:48:21,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 11:48:21,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:21,119 INFO L225 Difference]: With dead ends: 16680 [2020-12-22 11:48:21,119 INFO L226 Difference]: Without dead ends: 8344 [2020-12-22 11:48:21,135 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 11:48:21,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8344 states. [2020-12-22 11:48:21,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8344 to 8344. [2020-12-22 11:48:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8344 states. [2020-12-22 11:48:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8344 states to 8344 states and 10936 transitions. [2020-12-22 11:48:21,438 INFO L78 Accepts]: Start accepts. Automaton has 8344 states and 10936 transitions. Word has length 34 [2020-12-22 11:48:21,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:21,438 INFO L481 AbstractCegarLoop]: Abstraction has 8344 states and 10936 transitions. [2020-12-22 11:48:21,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:48:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 8344 states and 10936 transitions. [2020-12-22 11:48:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 11:48:21,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:21,440 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] [2020-12-22 11:48:21,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 11:48:21,441 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:21,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:21,441 INFO L82 PathProgramCache]: Analyzing trace with hash -725584627, now seen corresponding path program 1 times [2020-12-22 11:48:21,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:21,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501181282] [2020-12-22 11:48:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:21,546 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 11:48:21,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501181282] [2020-12-22 11:48:21,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:21,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:48:21,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348494160] [2020-12-22 11:48:21,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:48:21,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:21,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:48:21,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:48:21,549 INFO L87 Difference]: Start difference. First operand 8344 states and 10936 transitions. Second operand 4 states. [2020-12-22 11:48:21,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:21,842 INFO L93 Difference]: Finished difference Result 16625 states and 21797 transitions. [2020-12-22 11:48:21,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:48:21,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 11:48:21,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:21,880 INFO L225 Difference]: With dead ends: 16625 [2020-12-22 11:48:21,880 INFO L226 Difference]: Without dead ends: 8335 [2020-12-22 11:48:21,895 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 11:48:21,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8335 states. [2020-12-22 11:48:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8335 to 8335. [2020-12-22 11:48:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8335 states. [2020-12-22 11:48:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8335 states to 8335 states and 10924 transitions. [2020-12-22 11:48:22,398 INFO L78 Accepts]: Start accepts. Automaton has 8335 states and 10924 transitions. Word has length 34 [2020-12-22 11:48:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:22,400 INFO L481 AbstractCegarLoop]: Abstraction has 8335 states and 10924 transitions. [2020-12-22 11:48:22,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:48:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 8335 states and 10924 transitions. [2020-12-22 11:48:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 11:48:22,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:22,405 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] [2020-12-22 11:48:22,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 11:48:22,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:22,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:22,407 INFO L82 PathProgramCache]: Analyzing trace with hash 342854848, now seen corresponding path program 1 times [2020-12-22 11:48:22,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:22,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053349590] [2020-12-22 11:48:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:22,595 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 11:48:22,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053349590] [2020-12-22 11:48:22,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:22,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 11:48:22,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079525033] [2020-12-22 11:48:22,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:48:22,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:22,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:48:22,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:48:22,599 INFO L87 Difference]: Start difference. First operand 8335 states and 10924 transitions. Second operand 4 states. [2020-12-22 11:48:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:23,024 INFO L93 Difference]: Finished difference Result 16659 states and 21836 transitions. [2020-12-22 11:48:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:48:23,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-12-22 11:48:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:23,055 INFO L225 Difference]: With dead ends: 16659 [2020-12-22 11:48:23,055 INFO L226 Difference]: Without dead ends: 8372 [2020-12-22 11:48:23,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:48:23,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2020-12-22 11:48:23,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 8336. [2020-12-22 11:48:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8336 states. [2020-12-22 11:48:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8336 states to 8336 states and 10925 transitions. [2020-12-22 11:48:23,466 INFO L78 Accepts]: Start accepts. Automaton has 8336 states and 10925 transitions. Word has length 39 [2020-12-22 11:48:23,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:23,466 INFO L481 AbstractCegarLoop]: Abstraction has 8336 states and 10925 transitions. [2020-12-22 11:48:23,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:48:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 8336 states and 10925 transitions. [2020-12-22 11:48:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 11:48:23,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:23,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:48:23,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 11:48:23,469 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:23,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:23,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1942358478, now seen corresponding path program 1 times [2020-12-22 11:48:23,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:23,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545035405] [2020-12-22 11:48:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:48:23,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545035405] [2020-12-22 11:48:23,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:23,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:48:23,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144280109] [2020-12-22 11:48:23,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:48:23,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:23,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:48:23,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:48:23,717 INFO L87 Difference]: Start difference. First operand 8336 states and 10925 transitions. Second operand 4 states. [2020-12-22 11:48:24,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:24,840 INFO L93 Difference]: Finished difference Result 12528 states and 16390 transitions. [2020-12-22 11:48:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:48:24,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-12-22 11:48:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:24,871 INFO L225 Difference]: With dead ends: 12528 [2020-12-22 11:48:24,872 INFO L226 Difference]: Without dead ends: 12492 [2020-12-22 11:48:24,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:48:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12492 states. [2020-12-22 11:48:25,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12492 to 12441. [2020-12-22 11:48:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12441 states. [2020-12-22 11:48:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12441 states to 12441 states and 16321 transitions. [2020-12-22 11:48:25,542 INFO L78 Accepts]: Start accepts. Automaton has 12441 states and 16321 transitions. Word has length 52 [2020-12-22 11:48:25,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:25,542 INFO L481 AbstractCegarLoop]: Abstraction has 12441 states and 16321 transitions. [2020-12-22 11:48:25,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:48:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 12441 states and 16321 transitions. [2020-12-22 11:48:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 11:48:25,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:25,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:48:25,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 11:48:25,545 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:25,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:25,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1549331468, now seen corresponding path program 1 times [2020-12-22 11:48:25,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:25,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616539142] [2020-12-22 11:48:25,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:25,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616539142] [2020-12-22 11:48:25,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333510624] [2020-12-22 11:48:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:26,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 11:48:26,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:48:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:27,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:48:27,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 11:48:27,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96955503] [2020-12-22 11:48:27,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:48:27,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:27,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:48:27,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:48:27,025 INFO L87 Difference]: Start difference. First operand 12441 states and 16321 transitions. Second operand 7 states. [2020-12-22 11:48:27,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:27,798 INFO L93 Difference]: Finished difference Result 24906 states and 32671 transitions. [2020-12-22 11:48:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:48:27,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-12-22 11:48:27,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:27,834 INFO L225 Difference]: With dead ends: 24906 [2020-12-22 11:48:27,834 INFO L226 Difference]: Without dead ends: 12514 [2020-12-22 11:48:27,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:48:27,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12514 states. [2020-12-22 11:48:28,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12514 to 12478. [2020-12-22 11:48:28,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12478 states. [2020-12-22 11:48:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12478 states to 12478 states and 16364 transitions. [2020-12-22 11:48:28,338 INFO L78 Accepts]: Start accepts. Automaton has 12478 states and 16364 transitions. Word has length 52 [2020-12-22 11:48:28,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:28,339 INFO L481 AbstractCegarLoop]: Abstraction has 12478 states and 16364 transitions. [2020-12-22 11:48:28,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:48:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 12478 states and 16364 transitions. [2020-12-22 11:48:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 11:48:28,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:28,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:48:28,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 11:48:28,556 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:28,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1101621826, now seen corresponding path program 2 times [2020-12-22 11:48:28,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:28,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572002971] [2020-12-22 11:48:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:28,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572002971] [2020-12-22 11:48:28,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802070532] [2020-12-22 11:48:28,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:30,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:48:30,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:48:30,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-22 11:48:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:48:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 11:48:30,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:48:30,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 11:48:30,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073484529] [2020-12-22 11:48:30,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:48:30,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:30,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:48:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:48:30,553 INFO L87 Difference]: Start difference. First operand 12478 states and 16364 transitions. Second operand 5 states. [2020-12-22 11:48:35,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:35,465 INFO L93 Difference]: Finished difference Result 72934 states and 95709 transitions. [2020-12-22 11:48:35,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:48:35,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-22 11:48:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:35,654 INFO L225 Difference]: With dead ends: 72934 [2020-12-22 11:48:35,654 INFO L226 Difference]: Without dead ends: 64650 [2020-12-22 11:48:35,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:48:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64650 states. [2020-12-22 11:48:37,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64650 to 24628. [2020-12-22 11:48:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24628 states. [2020-12-22 11:48:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24628 states to 24628 states and 32329 transitions. [2020-12-22 11:48:37,837 INFO L78 Accepts]: Start accepts. Automaton has 24628 states and 32329 transitions. Word has length 65 [2020-12-22 11:48:37,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:37,840 INFO L481 AbstractCegarLoop]: Abstraction has 24628 states and 32329 transitions. [2020-12-22 11:48:37,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:48:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 24628 states and 32329 transitions. [2020-12-22 11:48:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-22 11:48:37,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:37,842 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:48:38,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:38,056 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:38,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:38,057 INFO L82 PathProgramCache]: Analyzing trace with hash -761413622, now seen corresponding path program 1 times [2020-12-22 11:48:38,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:38,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618466352] [2020-12-22 11:48:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 11:48:38,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618466352] [2020-12-22 11:48:38,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:38,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:48:38,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017531169] [2020-12-22 11:48:38,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:48:38,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:38,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:48:38,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:48:38,247 INFO L87 Difference]: Start difference. First operand 24628 states and 32329 transitions. Second operand 3 states. [2020-12-22 11:48:40,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:40,257 INFO L93 Difference]: Finished difference Result 71440 states and 93977 transitions. [2020-12-22 11:48:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:48:40,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-22 11:48:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:40,382 INFO L225 Difference]: With dead ends: 71440 [2020-12-22 11:48:40,383 INFO L226 Difference]: Without dead ends: 46904 [2020-12-22 11:48:40,432 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 11:48:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46904 states. [2020-12-22 11:48:42,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46904 to 46855. [2020-12-22 11:48:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46855 states. [2020-12-22 11:48:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46855 states to 46855 states and 61704 transitions. [2020-12-22 11:48:42,785 INFO L78 Accepts]: Start accepts. Automaton has 46855 states and 61704 transitions. Word has length 67 [2020-12-22 11:48:42,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:42,785 INFO L481 AbstractCegarLoop]: Abstraction has 46855 states and 61704 transitions. [2020-12-22 11:48:42,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:48:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 46855 states and 61704 transitions. [2020-12-22 11:48:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 11:48:42,788 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:42,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:48:42,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 11:48:42,788 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:42,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:42,789 INFO L82 PathProgramCache]: Analyzing trace with hash -117725702, now seen corresponding path program 1 times [2020-12-22 11:48:42,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:42,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746180754] [2020-12-22 11:48:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:43,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746180754] [2020-12-22 11:48:43,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023201428] [2020-12-22 11:48:43,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:44,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 11:48:44,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:48:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:44,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:48:44,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-12-22 11:48:44,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462747200] [2020-12-22 11:48:44,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:48:44,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:44,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:48:44,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:48:44,264 INFO L87 Difference]: Start difference. First operand 46855 states and 61704 transitions. Second operand 9 states. [2020-12-22 11:48:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:46,496 INFO L93 Difference]: Finished difference Result 93697 states and 123394 transitions. [2020-12-22 11:48:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:48:46,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-12-22 11:48:46,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:46,601 INFO L225 Difference]: With dead ends: 93697 [2020-12-22 11:48:46,601 INFO L226 Difference]: Without dead ends: 46928 [2020-12-22 11:48:46,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:48:46,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46928 states. [2020-12-22 11:48:48,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46928 to 46892. [2020-12-22 11:48:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46892 states. [2020-12-22 11:48:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46892 states to 46892 states and 61747 transitions. [2020-12-22 11:48:48,870 INFO L78 Accepts]: Start accepts. Automaton has 46892 states and 61747 transitions. Word has length 69 [2020-12-22 11:48:48,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:48,870 INFO L481 AbstractCegarLoop]: Abstraction has 46892 states and 61747 transitions. [2020-12-22 11:48:48,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:48:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 46892 states and 61747 transitions. [2020-12-22 11:48:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 11:48:48,873 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:48,873 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:49,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 11:48:49,088 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:49,089 INFO L82 PathProgramCache]: Analyzing trace with hash 743724680, now seen corresponding path program 2 times [2020-12-22 11:48:49,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:49,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867052705] [2020-12-22 11:48:49,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:49,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867052705] [2020-12-22 11:48:49,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228520506] [2020-12-22 11:48:49,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:51,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:48:51,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:48:51,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-22 11:48:51,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:48:51,657 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:48:51,663 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 307125 treesize of output 303047 [2020-12-22 11:48:53,244 WARN L197 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 409 DAG size of output: 280 [2020-12-22 11:48:53,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,289 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 11:48:53,292 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,311 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:48:53,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 11:48:53,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,337 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-22 11:48:53,343 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-22 11:48:53,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 11:48:53,538 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 275 [2020-12-22 11:48:53,541 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 11:48:55,391 WARN L197 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 300 DAG size of output: 281 [2020-12-22 11:48:55,398 INFO L625 ElimStorePlain]: treesize reduction 3942, result has 10.6 percent of original size [2020-12-22 11:48:55,461 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 39 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2020-12-22 11:48:55,463 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:48:56,433 WARN L197 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2020-12-22 11:48:56,434 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:48:56,453 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 39 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2020-12-22 11:48:56,455 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-22 11:48:57,389 WARN L197 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2020-12-22 11:48:57,390 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:48:57,479 INFO L547 ElimStorePlain]: Start of recursive call 1: 40 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 11:48:57,480 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 43 variables, input treesize:387, output treesize:59 [2020-12-22 11:48:59,520 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 39 [2020-12-22 11:49:00,310 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2020-12-22 11:49:00,321 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-22 11:49:00,323 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-22 11:49:00,325 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:49:00,326 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:49:00,351 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:49:00,356 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2020-12-22 11:49:00,364 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-22 11:49:00,365 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-22 11:49:00,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:49:00,369 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:49:00,385 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 11:49:00,388 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-22 11:49:00,388 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:75, output treesize:9 [2020-12-22 11:49:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-22 11:49:00,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:49:00,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-12-22 11:49:00,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634670501] [2020-12-22 11:49:00,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:49:00,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:49:00,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:49:00,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:49:00,549 INFO L87 Difference]: Start difference. First operand 46892 states and 61747 transitions. Second operand 4 states. [2020-12-22 11:49:03,115 WARN L197 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 45 [2020-12-22 11:49:32,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:49:32,533 INFO L93 Difference]: Finished difference Result 93711 states and 123408 transitions. [2020-12-22 11:49:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:49:32,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-12-22 11:49:32,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:49:32,617 INFO L225 Difference]: With dead ends: 93711 [2020-12-22 11:49:32,618 INFO L226 Difference]: Without dead ends: 46946 [2020-12-22 11:49:32,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-22 11:49:32,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46946 states. [2020-12-22 11:49:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46946 to 46932. [2020-12-22 11:49:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46932 states. [2020-12-22 11:49:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46932 states to 46932 states and 61792 transitions. [2020-12-22 11:49:35,017 INFO L78 Accepts]: Start accepts. Automaton has 46932 states and 61792 transitions. Word has length 82 [2020-12-22 11:49:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:49:35,018 INFO L481 AbstractCegarLoop]: Abstraction has 46932 states and 61792 transitions. [2020-12-22 11:49:35,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:49:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 46932 states and 61792 transitions. [2020-12-22 11:49:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 11:49:35,021 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:49:35,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:35,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:49:35,235 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:49:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:49:35,236 INFO L82 PathProgramCache]: Analyzing trace with hash 775186495, now seen corresponding path program 1 times [2020-12-22 11:49:35,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:49:35,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404175524] [2020-12-22 11:49:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:49:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:49:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:49:35,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404175524] [2020-12-22 11:49:35,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980311197] [2020-12-22 11:49:35,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:49:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:49:36,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 11:49:36,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:49:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:49:36,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:49:36,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-12-22 11:49:36,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832047816] [2020-12-22 11:49:36,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:49:36,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:49:36,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:49:36,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:49:36,660 INFO L87 Difference]: Start difference. First operand 46932 states and 61792 transitions. Second operand 11 states. [2020-12-22 11:49:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:49:38,919 INFO L93 Difference]: Finished difference Result 93807 states and 123520 transitions. [2020-12-22 11:49:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:49:38,920 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2020-12-22 11:49:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:49:39,002 INFO L225 Difference]: With dead ends: 93807 [2020-12-22 11:49:39,002 INFO L226 Difference]: Without dead ends: 47036 [2020-12-22 11:49:39,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:49:39,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47036 states. [2020-12-22 11:49:41,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47036 to 46985. [2020-12-22 11:49:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46985 states. [2020-12-22 11:49:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46985 states to 46985 states and 61853 transitions. [2020-12-22 11:49:41,188 INFO L78 Accepts]: Start accepts. Automaton has 46985 states and 61853 transitions. Word has length 85 [2020-12-22 11:49:41,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:49:41,188 INFO L481 AbstractCegarLoop]: Abstraction has 46985 states and 61853 transitions. [2020-12-22 11:49:41,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:49:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 46985 states and 61853 transitions. [2020-12-22 11:49:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-22 11:49:41,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:49:41,190 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:41,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 11:49:41,391 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:49:41,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:49:41,392 INFO L82 PathProgramCache]: Analyzing trace with hash 946224333, now seen corresponding path program 2 times [2020-12-22 11:49:41,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:49:41,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958572801] [2020-12-22 11:49:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:49:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:49:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:49:41,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958572801] [2020-12-22 11:49:41,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060551096] [2020-12-22 11:49:41,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:49:44,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:49:44,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:49:44,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 11:49:44,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:49:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:49:44,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:49:44,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-12-22 11:49:44,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145316387] [2020-12-22 11:49:44,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 11:49:44,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:49:44,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 11:49:44,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:49:44,918 INFO L87 Difference]: Start difference. First operand 46985 states and 61853 transitions. Second operand 13 states. [2020-12-22 11:49:47,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:49:47,101 INFO L93 Difference]: Finished difference Result 93860 states and 123581 transitions. [2020-12-22 11:49:47,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 11:49:47,102 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 98 [2020-12-22 11:49:47,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:49:47,175 INFO L225 Difference]: With dead ends: 93860 [2020-12-22 11:49:47,175 INFO L226 Difference]: Without dead ends: 47089 [2020-12-22 11:49:47,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:49:47,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47089 states. [2020-12-22 11:49:49,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47089 to 47038. [2020-12-22 11:49:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47038 states. [2020-12-22 11:49:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47038 states to 47038 states and 61914 transitions. [2020-12-22 11:49:49,259 INFO L78 Accepts]: Start accepts. Automaton has 47038 states and 61914 transitions. Word has length 98 [2020-12-22 11:49:49,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:49:49,260 INFO L481 AbstractCegarLoop]: Abstraction has 47038 states and 61914 transitions. [2020-12-22 11:49:49,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 11:49:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 47038 states and 61914 transitions. [2020-12-22 11:49:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 11:49:49,262 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:49:49,262 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:49,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:49:49,479 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:49:49,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:49:49,480 INFO L82 PathProgramCache]: Analyzing trace with hash -103629057, now seen corresponding path program 3 times [2020-12-22 11:49:49,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:49:49,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368037129] [2020-12-22 11:49:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:49:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:49:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:49:49,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368037129] [2020-12-22 11:49:49,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501522916] [2020-12-22 11:49:49,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:49:53,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-22 11:49:53,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:49:53,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 11:49:53,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:49:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-12-22 11:49:53,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:49:53,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2020-12-22 11:49:53,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108741807] [2020-12-22 11:49:53,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:49:53,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:49:53,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:49:53,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:49:53,541 INFO L87 Difference]: Start difference. First operand 47038 states and 61914 transitions. Second operand 4 states. [2020-12-22 11:49:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:49:55,793 INFO L93 Difference]: Finished difference Result 93968 states and 123704 transitions. [2020-12-22 11:49:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:49:55,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-12-22 11:49:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:49:55,860 INFO L225 Difference]: With dead ends: 93968 [2020-12-22 11:49:55,861 INFO L226 Difference]: Without dead ends: 46946 [2020-12-22 11:49:55,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:49:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46946 states. [2020-12-22 11:49:58,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46946 to 46946. [2020-12-22 11:49:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46946 states. [2020-12-22 11:49:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46946 states to 46946 states and 61798 transitions. [2020-12-22 11:49:58,095 INFO L78 Accepts]: Start accepts. Automaton has 46946 states and 61798 transitions. Word has length 111 [2020-12-22 11:49:58,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:49:58,095 INFO L481 AbstractCegarLoop]: Abstraction has 46946 states and 61798 transitions. [2020-12-22 11:49:58,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:49:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46946 states and 61798 transitions. [2020-12-22 11:49:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-22 11:49:58,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:49:58,098 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:58,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 11:49:58,304 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:49:58,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:49:58,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1416340968, now seen corresponding path program 1 times [2020-12-22 11:49:58,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:49:58,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565820150] [2020-12-22 11:49:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:49:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:49:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:49:58,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565820150] [2020-12-22 11:49:58,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85406762] [2020-12-22 11:49:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:50:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:00,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:50:00,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:50:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:50:00,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:50:00,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-12-22 11:50:00,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831253030] [2020-12-22 11:50:00,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-22 11:50:00,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:50:00,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-22 11:50:00,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:50:00,644 INFO L87 Difference]: Start difference. First operand 46946 states and 61798 transitions. Second operand 15 states. [2020-12-22 11:50:02,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:50:02,974 INFO L93 Difference]: Finished difference Result 93780 states and 123474 transitions. [2020-12-22 11:50:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 11:50:02,975 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 163 [2020-12-22 11:50:02,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:50:03,039 INFO L225 Difference]: With dead ends: 93780 [2020-12-22 11:50:03,039 INFO L226 Difference]: Without dead ends: 47011 [2020-12-22 11:50:03,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=120, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:50:03,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47011 states. [2020-12-22 11:50:05,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47011 to 46979. [2020-12-22 11:50:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46979 states. [2020-12-22 11:50:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46979 states to 46979 states and 61834 transitions. [2020-12-22 11:50:05,254 INFO L78 Accepts]: Start accepts. Automaton has 46979 states and 61834 transitions. Word has length 163 [2020-12-22 11:50:05,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:50:05,254 INFO L481 AbstractCegarLoop]: Abstraction has 46979 states and 61834 transitions. [2020-12-22 11:50:05,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-22 11:50:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 46979 states and 61834 transitions. [2020-12-22 11:50:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-12-22 11:50:05,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:50:05,258 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:05,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 11:50:05,459 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:50:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:50:05,459 INFO L82 PathProgramCache]: Analyzing trace with hash 535973854, now seen corresponding path program 2 times [2020-12-22 11:50:05,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:50:05,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139171712] [2020-12-22 11:50:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:50:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:50:06,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139171712] [2020-12-22 11:50:06,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94626981] [2020-12-22 11:50:06,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:50:09,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:50:09,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:50:09,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 11:50:09,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:50:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:50:09,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:50:09,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2020-12-22 11:50:09,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115149463] [2020-12-22 11:50:09,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-22 11:50:09,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:50:09,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-22 11:50:09,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:50:09,651 INFO L87 Difference]: Start difference. First operand 46979 states and 61834 transitions. Second operand 17 states. [2020-12-22 11:50:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:50:11,804 INFO L93 Difference]: Finished difference Result 93813 states and 123510 transitions. [2020-12-22 11:50:11,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 11:50:11,805 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 187 [2020-12-22 11:50:11,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:50:11,864 INFO L225 Difference]: With dead ends: 93813 [2020-12-22 11:50:11,864 INFO L226 Difference]: Without dead ends: 47044 [2020-12-22 11:50:11,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:50:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47044 states. [2020-12-22 11:50:13,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47044 to 47012. [2020-12-22 11:50:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47012 states. [2020-12-22 11:50:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47012 states to 47012 states and 61870 transitions. [2020-12-22 11:50:13,994 INFO L78 Accepts]: Start accepts. Automaton has 47012 states and 61870 transitions. Word has length 187 [2020-12-22 11:50:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:50:13,994 INFO L481 AbstractCegarLoop]: Abstraction has 47012 states and 61870 transitions. [2020-12-22 11:50:13,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-22 11:50:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 47012 states and 61870 transitions. [2020-12-22 11:50:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-22 11:50:13,999 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:50:13,999 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:14,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 11:50:14,214 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:50:14,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:50:14,215 INFO L82 PathProgramCache]: Analyzing trace with hash 73192356, now seen corresponding path program 3 times [2020-12-22 11:50:14,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:50:14,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356456172] [2020-12-22 11:50:14,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:50:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:50:15,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356456172] [2020-12-22 11:50:15,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305687231] [2020-12-22 11:50:15,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:50:17,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-22 11:50:17,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:50:17,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-22 11:50:17,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:50:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-12-22 11:50:17,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:50:17,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2020-12-22 11:50:17,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091375940] [2020-12-22 11:50:17,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:50:17,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:50:17,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:50:17,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:50:17,994 INFO L87 Difference]: Start difference. First operand 47012 states and 61870 transitions. Second operand 7 states. [2020-12-22 11:50:22,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:50:22,290 INFO L93 Difference]: Finished difference Result 140021 states and 184347 transitions. [2020-12-22 11:50:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 11:50:22,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-12-22 11:50:22,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:50:22,425 INFO L225 Difference]: With dead ends: 140021 [2020-12-22 11:50:22,425 INFO L226 Difference]: Without dead ends: 92996 [2020-12-22 11:50:22,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2020-12-22 11:50:22,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92996 states. [2020-12-22 11:50:25,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92996 to 47012. [2020-12-22 11:50:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47012 states. [2020-12-22 11:50:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47012 states to 47012 states and 61863 transitions. [2020-12-22 11:50:25,095 INFO L78 Accepts]: Start accepts. Automaton has 47012 states and 61863 transitions. Word has length 211 [2020-12-22 11:50:25,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:50:25,095 INFO L481 AbstractCegarLoop]: Abstraction has 47012 states and 61863 transitions. [2020-12-22 11:50:25,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:50:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 47012 states and 61863 transitions. [2020-12-22 11:50:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-22 11:50:25,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:50:25,100 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:25,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 11:50:25,314 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:50:25,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:50:25,315 INFO L82 PathProgramCache]: Analyzing trace with hash 730667925, now seen corresponding path program 1 times [2020-12-22 11:50:25,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:50:25,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299528233] [2020-12-22 11:50:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:50:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:50:26,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299528233] [2020-12-22 11:50:26,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782156650] [2020-12-22 11:50:26,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:50:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:27,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:50:27,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:50:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:50:28,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:50:28,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2020-12-22 11:50:28,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230081387] [2020-12-22 11:50:28,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-22 11:50:28,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:50:28,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-22 11:50:28,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=199, Unknown=0, NotChecked=0, Total=342 [2020-12-22 11:50:28,244 INFO L87 Difference]: Start difference. First operand 47012 states and 61863 transitions. Second operand 19 states. [2020-12-22 11:50:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:50:30,810 INFO L93 Difference]: Finished difference Result 93846 states and 123537 transitions. [2020-12-22 11:50:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 11:50:30,810 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 232 [2020-12-22 11:50:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:50:30,861 INFO L225 Difference]: With dead ends: 93846 [2020-12-22 11:50:30,862 INFO L226 Difference]: Without dead ends: 47077 [2020-12-22 11:50:30,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=224, Unknown=0, NotChecked=0, Total=380 [2020-12-22 11:50:30,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47077 states. [2020-12-22 11:50:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47077 to 47045. [2020-12-22 11:50:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47045 states. [2020-12-22 11:50:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47045 states to 47045 states and 61898 transitions. [2020-12-22 11:50:33,174 INFO L78 Accepts]: Start accepts. Automaton has 47045 states and 61898 transitions. Word has length 232 [2020-12-22 11:50:33,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:50:33,174 INFO L481 AbstractCegarLoop]: Abstraction has 47045 states and 61898 transitions. [2020-12-22 11:50:33,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-22 11:50:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 47045 states and 61898 transitions. [2020-12-22 11:50:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-12-22 11:50:33,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:50:33,184 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:33,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-22 11:50:33,398 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:50:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:50:33,399 INFO L82 PathProgramCache]: Analyzing trace with hash -480093254, now seen corresponding path program 2 times [2020-12-22 11:50:33,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:50:33,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198269358] [2020-12-22 11:50:33,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:50:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2020-12-22 11:50:34,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198269358] [2020-12-22 11:50:34,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:50:34,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:50:34,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937883741] [2020-12-22 11:50:34,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:50:34,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:50:34,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:50:34,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:50:34,254 INFO L87 Difference]: Start difference. First operand 47045 states and 61898 transitions. Second operand 5 states. [2020-12-22 11:50:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:50:38,860 INFO L93 Difference]: Finished difference Result 140061 states and 184377 transitions. [2020-12-22 11:50:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:50:38,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2020-12-22 11:50:38,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:50:38,985 INFO L225 Difference]: With dead ends: 140061 [2020-12-22 11:50:38,986 INFO L226 Difference]: Without dead ends: 93021 [2020-12-22 11:50:39,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:50:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93021 states. [2020-12-22 11:50:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93021 to 47045. [2020-12-22 11:50:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47045 states. [2020-12-22 11:50:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47045 states to 47045 states and 61890 transitions. [2020-12-22 11:50:41,896 INFO L78 Accepts]: Start accepts. Automaton has 47045 states and 61890 transitions. Word has length 259 [2020-12-22 11:50:41,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:50:41,897 INFO L481 AbstractCegarLoop]: Abstraction has 47045 states and 61890 transitions. [2020-12-22 11:50:41,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:50:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 47045 states and 61890 transitions. [2020-12-22 11:50:41,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-22 11:50:41,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:50:41,899 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:41,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 11:50:41,900 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:50:41,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:50:41,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1877266478, now seen corresponding path program 1 times [2020-12-22 11:50:41,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:50:41,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384581531] [2020-12-22 11:50:41,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:50:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2020-12-22 11:50:42,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384581531] [2020-12-22 11:50:42,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:50:42,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:50:42,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372808947] [2020-12-22 11:50:42,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:50:42,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:50:42,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:50:42,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:50:42,812 INFO L87 Difference]: Start difference. First operand 47045 states and 61890 transitions. Second operand 5 states. [2020-12-22 11:50:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:50:48,401 INFO L93 Difference]: Finished difference Result 139943 states and 184241 transitions. [2020-12-22 11:50:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:50:48,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 283 [2020-12-22 11:50:48,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:50:48,563 INFO L225 Difference]: With dead ends: 139943 [2020-12-22 11:50:48,563 INFO L226 Difference]: Without dead ends: 92910 [2020-12-22 11:50:48,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:50:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92910 states. [2020-12-22 11:50:51,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92910 to 47045. [2020-12-22 11:50:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47045 states. [2020-12-22 11:50:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47045 states to 47045 states and 61882 transitions. [2020-12-22 11:50:51,568 INFO L78 Accepts]: Start accepts. Automaton has 47045 states and 61882 transitions. Word has length 283 [2020-12-22 11:50:51,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:50:51,569 INFO L481 AbstractCegarLoop]: Abstraction has 47045 states and 61882 transitions. [2020-12-22 11:50:51,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:50:51,569 INFO L276 IsEmpty]: Start isEmpty. Operand 47045 states and 61882 transitions. [2020-12-22 11:50:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-22 11:50:51,572 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:50:51,572 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:51,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 11:50:51,573 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:50:51,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:50:51,573 INFO L82 PathProgramCache]: Analyzing trace with hash 999973690, now seen corresponding path program 1 times [2020-12-22 11:50:51,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:50:51,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099192180] [2020-12-22 11:50:51,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:50:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:50:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2020-12-22 11:50:55,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099192180] [2020-12-22 11:50:55,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22321915] [2020-12-22 11:50:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true