/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 17:38:26,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 17:38:26,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 17:38:26,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 17:38:26,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 17:38:26,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 17:38:26,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 17:38:26,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 17:38:26,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 17:38:26,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 17:38:26,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 17:38:26,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 17:38:26,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 17:38:26,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 17:38:26,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 17:38:26,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 17:38:26,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 17:38:26,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 17:38:26,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 17:38:26,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 17:38:26,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 17:38:26,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 17:38:26,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 17:38:26,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 17:38:26,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-17 17:38:26,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 17:38:26,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 17:38:26,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 17:38:26,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 17:38:26,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 17:38:26,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 17:38:26,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 17:38:26,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 17:38:26,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 17:38:26,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 17:38:26,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 17:38:26,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2020-12-17 17:38:26,554 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 17:38:26,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 17:38:26,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 17:38:26,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 17:38:26,556 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 17:38:26,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 17:38:26,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 17:38:26,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 17:38:26,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 17:38:26,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 17:38:26,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 17:38:26,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 17:38:26,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 17:38:26,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 17:38:26,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 17:38:26,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 17:38:26,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 17:38:26,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 17:38:26,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 17:38:26,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 17:38:26,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 17:38:26,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 17:38:26,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 17:38:26,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 17:38:26,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 17:38:26,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 17:38:26,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 17:38:26,562 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 17:38:26,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 17:38:26,562 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 17:38:26,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 17:38:26,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 17:38:26,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 17:38:26,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 17:38:26,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 17:38:26,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 17:38:26,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-12-17 17:38:27,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349162bb9/1fd2aaa0e50e40229fa5093338f4f451/FLAG3af005f9e [2020-12-17 17:38:27,965 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 17:38:27,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-12-17 17:38:27,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349162bb9/1fd2aaa0e50e40229fa5093338f4f451/FLAG3af005f9e [2020-12-17 17:38:28,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349162bb9/1fd2aaa0e50e40229fa5093338f4f451 [2020-12-17 17:38:28,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 17:38:28,120 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 17:38:28,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 17:38:28,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 17:38:28,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 17:38:28,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:38:28" (1/1) ... [2020-12-17 17:38:28,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695b71dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:28, skipping insertion in model container [2020-12-17 17:38:28,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:38:28" (1/1) ... [2020-12-17 17:38:28,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 17:38:28,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 17:38:29,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 17:38:29,272 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 17:38:29,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 17:38:29,777 INFO L208 MainTranslator]: Completed translation [2020-12-17 17:38:29,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29 WrapperNode [2020-12-17 17:38:29,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 17:38:29,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 17:38:29,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 17:38:29,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 17:38:29,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 17:38:29,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 17:38:29,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 17:38:29,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 17:38:29,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (1/1) ... [2020-12-17 17:38:29,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 17:38:29,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 17:38:29,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 17:38:29,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 17:38:29,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (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 [2020-12-17 17:38:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 17:38:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-17 17:38:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-17 17:38:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-17 17:38:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 17:38:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 17:38:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-12-17 17:38:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-12-17 17:38:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 17:38:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 17:38:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 17:38:30,091 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-17 17:38:30,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 17:38:30,829 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-17 17:38:30,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:38:30 BoogieIcfgContainer [2020-12-17 17:38:30,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 17:38:30,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 17:38:30,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 17:38:30,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 17:38:30,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 05:38:28" (1/3) ... [2020-12-17 17:38:30,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7520af03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:38:30, skipping insertion in model container [2020-12-17 17:38:30,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:38:29" (2/3) ... [2020-12-17 17:38:30,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7520af03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:38:30, skipping insertion in model container [2020-12-17 17:38:30,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:38:30" (3/3) ... [2020-12-17 17:38:30,842 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2020-12-17 17:38:30,860 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 17:38:30,860 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 17:38:30,864 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-17 17:38:30,866 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 17:38:30,942 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,943 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,943 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,943 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,944 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,944 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,944 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,944 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,944 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,944 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,945 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,945 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,945 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,945 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,945 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,946 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,947 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,948 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,948 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,948 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,948 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,948 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,949 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,949 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,949 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,949 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,949 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,950 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,950 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,951 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,951 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,951 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,951 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,952 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,952 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,952 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,952 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,953 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,953 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,953 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,953 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,953 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,953 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,954 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,954 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,954 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,954 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,954 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,954 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,955 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,955 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,955 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,956 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,956 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,956 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,956 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,956 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,956 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,957 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,957 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,957 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,957 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,957 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,957 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,958 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,958 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,958 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,958 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,958 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,958 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,959 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,959 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,959 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,959 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,959 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,960 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,960 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,960 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,960 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,960 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,960 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,961 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,961 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,961 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,961 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,961 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,962 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,962 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,962 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,962 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,962 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,963 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,963 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,963 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,963 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,963 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,964 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,964 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,964 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,964 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,966 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,967 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,967 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,967 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,967 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,968 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,968 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,968 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,968 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,968 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,977 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,977 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,978 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,978 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,978 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,978 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,978 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,978 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,979 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,979 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 17:38:30,991 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-17 17:38:31,005 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-17 17:38:31,031 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 17:38:31,031 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 17:38:31,031 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 17:38:31,032 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 17:38:31,032 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 17:38:31,032 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 17:38:31,032 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 17:38:31,032 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 17:38:31,050 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 178 places, 188 transitions, 398 flow [2020-12-17 17:38:31,550 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9136 states, 9125 states have (on average 2.8808767123287673) internal successors, (26288), 9135 states have internal predecessors, (26288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 9136 states, 9125 states have (on average 2.8808767123287673) internal successors, (26288), 9135 states have internal predecessors, (26288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-17 17:38:31,592 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:31,593 INFO L504 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] [2020-12-17 17:38:31,593 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:31,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:31,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1810721684, now seen corresponding path program 1 times [2020-12-17 17:38:31,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:31,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28901029] [2020-12-17 17:38:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:32,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28901029] [2020-12-17 17:38:32,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:32,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 17:38:32,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837527703] [2020-12-17 17:38:32,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 17:38:32,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:32,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 17:38:32,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 17:38:32,301 INFO L87 Difference]: Start difference. First operand has 9136 states, 9125 states have (on average 2.8808767123287673) internal successors, (26288), 9135 states have internal predecessors, (26288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:32,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:32,805 INFO L93 Difference]: Finished difference Result 8341 states and 23240 transitions. [2020-12-17 17:38:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-17 17:38:32,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-12-17 17:38:32,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:32,871 INFO L225 Difference]: With dead ends: 8341 [2020-12-17 17:38:32,871 INFO L226 Difference]: Without dead ends: 6952 [2020-12-17 17:38:32,873 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-17 17:38:32,874 INFO L78 Accepts]: Start accepts. Automaton has 6952 states. Word has length 38 [2020-12-17 17:38:32,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:32,875 INFO L481 AbstractCegarLoop]: Abstraction has 6952 states. [2020-12-17 17:38:32,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 6952 states. [2020-12-17 17:38:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-17 17:38:32,877 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:32,877 INFO L504 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] [2020-12-17 17:38:32,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 17:38:32,878 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:32,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:32,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1691754833, now seen corresponding path program 1 times [2020-12-17 17:38:32,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:32,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109926948] [2020-12-17 17:38:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:33,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109926948] [2020-12-17 17:38:33,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:33,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 17:38:33,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904853540] [2020-12-17 17:38:33,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 17:38:33,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:33,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 17:38:33,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 17:38:33,115 INFO L87 Difference]: Start difference. First operand 6952 states. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:33,436 INFO L93 Difference]: Finished difference Result 6951 states and 19302 transitions. [2020-12-17 17:38:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-17 17:38:33,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2020-12-17 17:38:33,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:33,484 INFO L225 Difference]: With dead ends: 6951 [2020-12-17 17:38:33,485 INFO L226 Difference]: Without dead ends: 6951 [2020-12-17 17:38:33,487 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-17 17:38:33,487 INFO L78 Accepts]: Start accepts. Automaton has 6951 states. Word has length 44 [2020-12-17 17:38:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:33,488 INFO L481 AbstractCegarLoop]: Abstraction has 6951 states. [2020-12-17 17:38:33,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6951 states. [2020-12-17 17:38:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-17 17:38:33,503 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:33,503 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:33,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 17:38:33,504 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:33,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:33,505 INFO L82 PathProgramCache]: Analyzing trace with hash 2068266895, now seen corresponding path program 1 times [2020-12-17 17:38:33,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:33,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55890047] [2020-12-17 17:38:33,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:33,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55890047] [2020-12-17 17:38:33,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:33,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 17:38:33,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417734260] [2020-12-17 17:38:33,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 17:38:33,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:33,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 17:38:33,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 17:38:33,703 INFO L87 Difference]: Start difference. First operand 6951 states. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:34,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:34,306 INFO L93 Difference]: Finished difference Result 10132 states and 28062 transitions. [2020-12-17 17:38:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 17:38:34,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2020-12-17 17:38:34,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:34,367 INFO L225 Difference]: With dead ends: 10132 [2020-12-17 17:38:34,368 INFO L226 Difference]: Without dead ends: 10132 [2020-12-17 17:38:34,369 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:38:34,370 INFO L78 Accepts]: Start accepts. Automaton has 10132 states. Word has length 62 [2020-12-17 17:38:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:34,373 INFO L481 AbstractCegarLoop]: Abstraction has 10132 states. [2020-12-17 17:38:34,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 10132 states. [2020-12-17 17:38:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-17 17:38:34,379 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:34,380 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:34,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-17 17:38:34,381 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:34,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1199812273, now seen corresponding path program 1 times [2020-12-17 17:38:34,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:34,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129344689] [2020-12-17 17:38:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:34,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129344689] [2020-12-17 17:38:34,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:34,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 17:38:34,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011922462] [2020-12-17 17:38:34,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 17:38:34,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:34,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 17:38:34,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 17:38:34,596 INFO L87 Difference]: Start difference. First operand 10132 states. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:35,014 INFO L93 Difference]: Finished difference Result 12256 states and 33700 transitions. [2020-12-17 17:38:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-17 17:38:35,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2020-12-17 17:38:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:35,047 INFO L225 Difference]: With dead ends: 12256 [2020-12-17 17:38:35,048 INFO L226 Difference]: Without dead ends: 9878 [2020-12-17 17:38:35,048 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-17 17:38:35,048 INFO L78 Accepts]: Start accepts. Automaton has 9878 states. Word has length 68 [2020-12-17 17:38:35,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:35,049 INFO L481 AbstractCegarLoop]: Abstraction has 9878 states. [2020-12-17 17:38:35,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 9878 states. [2020-12-17 17:38:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-17 17:38:35,065 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:35,065 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:35,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-17 17:38:35,065 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:35,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:35,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1278281470, now seen corresponding path program 1 times [2020-12-17 17:38:35,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:35,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385795897] [2020-12-17 17:38:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:35,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385795897] [2020-12-17 17:38:35,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:35,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-17 17:38:35,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403194465] [2020-12-17 17:38:35,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-17 17:38:35,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:35,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-17 17:38:35,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-17 17:38:35,295 INFO L87 Difference]: Start difference. First operand 9878 states. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:35,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:35,360 INFO L93 Difference]: Finished difference Result 2803 states and 7509 transitions. [2020-12-17 17:38:35,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-17 17:38:35,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2020-12-17 17:38:35,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:35,376 INFO L225 Difference]: With dead ends: 2803 [2020-12-17 17:38:35,376 INFO L226 Difference]: Without dead ends: 2803 [2020-12-17 17:38:35,377 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-17 17:38:35,377 INFO L78 Accepts]: Start accepts. Automaton has 2803 states. Word has length 76 [2020-12-17 17:38:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:35,379 INFO L481 AbstractCegarLoop]: Abstraction has 2803 states. [2020-12-17 17:38:35,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states. [2020-12-17 17:38:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:35,396 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:35,396 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:35,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-17 17:38:35,396 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:35,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:35,397 INFO L82 PathProgramCache]: Analyzing trace with hash -797869625, now seen corresponding path program 1 times [2020-12-17 17:38:35,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:35,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27545775] [2020-12-17 17:38:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:36,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27545775] [2020-12-17 17:38:36,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:36,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:38:36,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237566160] [2020-12-17 17:38:36,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:38:36,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:36,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:38:36,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:38:36,223 INFO L87 Difference]: Start difference. First operand 2803 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:38,778 INFO L93 Difference]: Finished difference Result 7131 states and 19039 transitions. [2020-12-17 17:38:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:38:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:38,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:38,803 INFO L225 Difference]: With dead ends: 7131 [2020-12-17 17:38:38,804 INFO L226 Difference]: Without dead ends: 7041 [2020-12-17 17:38:38,805 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=632, Invalid=1260, Unknown=0, NotChecked=0, Total=1892 [2020-12-17 17:38:38,805 INFO L78 Accepts]: Start accepts. Automaton has 7041 states. Word has length 109 [2020-12-17 17:38:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:38,806 INFO L481 AbstractCegarLoop]: Abstraction has 7041 states. [2020-12-17 17:38:38,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 7041 states. [2020-12-17 17:38:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:38,827 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:38,827 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:38,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-17 17:38:38,828 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:38,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:38,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1599994753, now seen corresponding path program 1 times [2020-12-17 17:38:38,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:38,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800021231] [2020-12-17 17:38:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:39,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800021231] [2020-12-17 17:38:39,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:39,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:38:39,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449147262] [2020-12-17 17:38:39,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:38:39,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:39,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:38:39,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:38:39,868 INFO L87 Difference]: Start difference. First operand 7041 states. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:41,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:41,006 INFO L93 Difference]: Finished difference Result 8884 states and 23280 transitions. [2020-12-17 17:38:41,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-17 17:38:41,007 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:41,027 INFO L225 Difference]: With dead ends: 8884 [2020-12-17 17:38:41,027 INFO L226 Difference]: Without dead ends: 8884 [2020-12-17 17:38:41,028 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2020-12-17 17:38:41,028 INFO L78 Accepts]: Start accepts. Automaton has 8884 states. Word has length 109 [2020-12-17 17:38:41,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:41,029 INFO L481 AbstractCegarLoop]: Abstraction has 8884 states. [2020-12-17 17:38:41,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states. [2020-12-17 17:38:41,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:41,051 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:41,052 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:41,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-17 17:38:41,052 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:41,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:41,053 INFO L82 PathProgramCache]: Analyzing trace with hash -72871819, now seen corresponding path program 2 times [2020-12-17 17:38:41,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:41,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268657071] [2020-12-17 17:38:41,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:41,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268657071] [2020-12-17 17:38:41,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:41,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:38:41,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956583505] [2020-12-17 17:38:41,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:38:41,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:38:41,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:38:41,731 INFO L87 Difference]: Start difference. First operand 8884 states. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:43,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:43,096 INFO L93 Difference]: Finished difference Result 9914 states and 25386 transitions. [2020-12-17 17:38:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:38:43,097 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:43,117 INFO L225 Difference]: With dead ends: 9914 [2020-12-17 17:38:43,118 INFO L226 Difference]: Without dead ends: 9914 [2020-12-17 17:38:43,118 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2020-12-17 17:38:43,119 INFO L78 Accepts]: Start accepts. Automaton has 9914 states. Word has length 109 [2020-12-17 17:38:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:43,119 INFO L481 AbstractCegarLoop]: Abstraction has 9914 states. [2020-12-17 17:38:43,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 9914 states. [2020-12-17 17:38:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:43,144 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:43,145 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:43,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-17 17:38:43,145 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:43,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:43,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1536768341, now seen corresponding path program 3 times [2020-12-17 17:38:43,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:43,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053495812] [2020-12-17 17:38:43,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:43,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053495812] [2020-12-17 17:38:43,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:43,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:38:43,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188520765] [2020-12-17 17:38:43,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:38:43,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:43,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:38:43,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:38:43,992 INFO L87 Difference]: Start difference. First operand 9914 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:44,923 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-17 17:38:45,171 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-17 17:38:45,626 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-17 17:38:45,941 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-17 17:38:46,111 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-17 17:38:46,267 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-17 17:38:46,437 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:38:46,589 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-12-17 17:38:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:46,599 INFO L93 Difference]: Finished difference Result 13289 states and 33688 transitions. [2020-12-17 17:38:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:38:46,600 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:46,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:46,622 INFO L225 Difference]: With dead ends: 13289 [2020-12-17 17:38:46,622 INFO L226 Difference]: Without dead ends: 13289 [2020-12-17 17:38:46,623 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2020-12-17 17:38:46,623 INFO L78 Accepts]: Start accepts. Automaton has 13289 states. Word has length 109 [2020-12-17 17:38:46,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:46,624 INFO L481 AbstractCegarLoop]: Abstraction has 13289 states. [2020-12-17 17:38:46,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 13289 states. [2020-12-17 17:38:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:46,658 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:46,658 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:46,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-17 17:38:46,659 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:46,659 INFO L82 PathProgramCache]: Analyzing trace with hash -891700543, now seen corresponding path program 4 times [2020-12-17 17:38:46,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:46,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493247234] [2020-12-17 17:38:46,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:47,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493247234] [2020-12-17 17:38:47,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:47,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:38:47,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548562743] [2020-12-17 17:38:47,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:38:47,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:47,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:38:47,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:38:47,558 INFO L87 Difference]: Start difference. First operand 13289 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:48,265 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-17 17:38:48,456 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-17 17:38:48,720 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-17 17:38:49,176 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-17 17:38:49,374 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:38:49,725 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-17 17:38:49,903 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-17 17:38:50,057 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-17 17:38:50,236 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-17 17:38:50,385 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:38:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:50,394 INFO L93 Difference]: Finished difference Result 13321 states and 33718 transitions. [2020-12-17 17:38:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:38:50,395 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:50,413 INFO L225 Difference]: With dead ends: 13321 [2020-12-17 17:38:50,413 INFO L226 Difference]: Without dead ends: 13321 [2020-12-17 17:38:50,414 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=286, Invalid=770, Unknown=0, NotChecked=0, Total=1056 [2020-12-17 17:38:50,414 INFO L78 Accepts]: Start accepts. Automaton has 13321 states. Word has length 109 [2020-12-17 17:38:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:50,415 INFO L481 AbstractCegarLoop]: Abstraction has 13321 states. [2020-12-17 17:38:50,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13321 states. [2020-12-17 17:38:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:50,442 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:50,442 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:50,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-17 17:38:50,443 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:50,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:50,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1648014349, now seen corresponding path program 5 times [2020-12-17 17:38:50,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:50,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791277196] [2020-12-17 17:38:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:51,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791277196] [2020-12-17 17:38:51,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:51,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:38:51,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533259690] [2020-12-17 17:38:51,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:38:51,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:51,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:38:51,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:38:51,021 INFO L87 Difference]: Start difference. First operand 13321 states. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:52,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:52,418 INFO L93 Difference]: Finished difference Result 14753 states and 36706 transitions. [2020-12-17 17:38:52,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:38:52,419 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:52,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:52,433 INFO L225 Difference]: With dead ends: 14753 [2020-12-17 17:38:52,433 INFO L226 Difference]: Without dead ends: 14753 [2020-12-17 17:38:52,434 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=221, Invalid=591, Unknown=0, NotChecked=0, Total=812 [2020-12-17 17:38:52,434 INFO L78 Accepts]: Start accepts. Automaton has 14753 states. Word has length 109 [2020-12-17 17:38:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:52,435 INFO L481 AbstractCegarLoop]: Abstraction has 14753 states. [2020-12-17 17:38:52,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 14753 states. [2020-12-17 17:38:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:52,455 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:52,456 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:52,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-17 17:38:52,456 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:52,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:52,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1045403583, now seen corresponding path program 6 times [2020-12-17 17:38:52,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:52,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249615641] [2020-12-17 17:38:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:53,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249615641] [2020-12-17 17:38:53,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:53,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:38:53,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94864694] [2020-12-17 17:38:53,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:38:53,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:53,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:38:53,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:38:53,315 INFO L87 Difference]: Start difference. First operand 14753 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:54,246 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:38:54,418 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:38:54,626 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:38:54,954 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 17:38:55,099 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-17 17:38:55,352 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-17 17:38:55,588 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-17 17:38:55,745 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-17 17:38:55,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:38:55,892 INFO L93 Difference]: Finished difference Result 16421 states and 40110 transitions. [2020-12-17 17:38:55,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:38:55,895 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:38:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:38:55,913 INFO L225 Difference]: With dead ends: 16421 [2020-12-17 17:38:55,913 INFO L226 Difference]: Without dead ends: 16421 [2020-12-17 17:38:55,914 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:38:55,914 INFO L78 Accepts]: Start accepts. Automaton has 16421 states. Word has length 109 [2020-12-17 17:38:55,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:38:55,915 INFO L481 AbstractCegarLoop]: Abstraction has 16421 states. [2020-12-17 17:38:55,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 16421 states. [2020-12-17 17:38:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:38:55,936 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:38:55,936 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:38:55,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-17 17:38:55,937 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:38:55,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:38:55,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1496798633, now seen corresponding path program 7 times [2020-12-17 17:38:55,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:38:55,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788481046] [2020-12-17 17:38:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:38:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:38:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:38:56,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788481046] [2020-12-17 17:38:56,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:38:56,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:38:56,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704894217] [2020-12-17 17:38:56,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:38:56,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:38:56,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:38:56,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:38:56,814 INFO L87 Difference]: Start difference. First operand 16421 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:38:57,582 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:38:57,773 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:38:57,948 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:38:58,388 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:38:58,558 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:38:58,933 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:38:59,092 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:38:59,239 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:38:59,531 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:38:59,661 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:38:59,808 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:38:59,965 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:00,124 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:00,386 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:39:00,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:00,397 INFO L93 Difference]: Finished difference Result 20033 states and 48835 transitions. [2020-12-17 17:39:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-17 17:39:00,398 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:00,420 INFO L225 Difference]: With dead ends: 20033 [2020-12-17 17:39:00,420 INFO L226 Difference]: Without dead ends: 20033 [2020-12-17 17:39:00,421 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=449, Invalid=1033, Unknown=0, NotChecked=0, Total=1482 [2020-12-17 17:39:00,421 INFO L78 Accepts]: Start accepts. Automaton has 20033 states. Word has length 109 [2020-12-17 17:39:00,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:00,422 INFO L481 AbstractCegarLoop]: Abstraction has 20033 states. [2020-12-17 17:39:00,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 20033 states. [2020-12-17 17:39:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:00,446 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:00,447 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:00,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-17 17:39:00,447 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:00,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:00,447 INFO L82 PathProgramCache]: Analyzing trace with hash 2141866431, now seen corresponding path program 8 times [2020-12-17 17:39:00,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:00,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027363502] [2020-12-17 17:39:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:01,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027363502] [2020-12-17 17:39:01,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:01,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:01,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734006694] [2020-12-17 17:39:01,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:01,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:01,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:01,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:01,215 INFO L87 Difference]: Start difference. First operand 20033 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:02,456 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:39:02,960 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:39:03,147 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:03,316 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:03,881 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:39:04,067 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:39:04,232 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:39:04,424 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:39:04,567 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:39:04,728 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:39:04,908 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:05,074 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:05,363 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:39:05,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:05,375 INFO L93 Difference]: Finished difference Result 20065 states and 48865 transitions. [2020-12-17 17:39:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-17 17:39:05,376 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:05,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:05,395 INFO L225 Difference]: With dead ends: 20065 [2020-12-17 17:39:05,395 INFO L226 Difference]: Without dead ends: 20065 [2020-12-17 17:39:05,396 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=434, Invalid=1126, Unknown=0, NotChecked=0, Total=1560 [2020-12-17 17:39:05,397 INFO L78 Accepts]: Start accepts. Automaton has 20065 states. Word has length 109 [2020-12-17 17:39:05,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:05,397 INFO L481 AbstractCegarLoop]: Abstraction has 20065 states. [2020-12-17 17:39:05,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:05,398 INFO L276 IsEmpty]: Start isEmpty. Operand 20065 states. [2020-12-17 17:39:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:05,430 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:05,431 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:05,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-17 17:39:05,431 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:05,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:05,432 INFO L82 PathProgramCache]: Analyzing trace with hash 159527075, now seen corresponding path program 9 times [2020-12-17 17:39:05,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:05,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437279567] [2020-12-17 17:39:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:06,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437279567] [2020-12-17 17:39:06,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:06,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:06,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178049255] [2020-12-17 17:39:06,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:06,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:06,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:06,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:06,438 INFO L87 Difference]: Start difference. First operand 20065 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:07,315 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:39:07,677 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:39:07,832 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:39:07,989 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:08,152 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:08,570 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:39:08,730 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:39:08,865 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:39:09,240 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:09,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:09,380 INFO L93 Difference]: Finished difference Result 20097 states and 48895 transitions. [2020-12-17 17:39:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:39:09,381 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:09,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:09,398 INFO L225 Difference]: With dead ends: 20097 [2020-12-17 17:39:09,398 INFO L226 Difference]: Without dead ends: 20097 [2020-12-17 17:39:09,398 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=320, Invalid=870, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:39:09,399 INFO L78 Accepts]: Start accepts. Automaton has 20097 states. Word has length 109 [2020-12-17 17:39:09,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:09,399 INFO L481 AbstractCegarLoop]: Abstraction has 20097 states. [2020-12-17 17:39:09,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 20097 states. [2020-12-17 17:39:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:09,423 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:09,423 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:09,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-17 17:39:09,424 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:09,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:09,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1475599365, now seen corresponding path program 10 times [2020-12-17 17:39:09,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:09,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124659996] [2020-12-17 17:39:09,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:10,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124659996] [2020-12-17 17:39:10,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:10,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:10,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330468562] [2020-12-17 17:39:10,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:10,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:10,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:10,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:10,283 INFO L87 Difference]: Start difference. First operand 20097 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:11,424 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:39:11,632 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:39:12,281 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-17 17:39:12,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:12,768 INFO L93 Difference]: Finished difference Result 22268 states and 53377 transitions. [2020-12-17 17:39:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:39:12,769 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:12,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:12,790 INFO L225 Difference]: With dead ends: 22268 [2020-12-17 17:39:12,790 INFO L226 Difference]: Without dead ends: 22268 [2020-12-17 17:39:12,791 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:39:12,791 INFO L78 Accepts]: Start accepts. Automaton has 22268 states. Word has length 109 [2020-12-17 17:39:12,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:12,791 INFO L481 AbstractCegarLoop]: Abstraction has 22268 states. [2020-12-17 17:39:12,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22268 states. [2020-12-17 17:39:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:12,813 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:12,813 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:12,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-17 17:39:12,813 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:12,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:12,814 INFO L82 PathProgramCache]: Analyzing trace with hash -843484385, now seen corresponding path program 11 times [2020-12-17 17:39:12,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:12,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684204574] [2020-12-17 17:39:12,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:13,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684204574] [2020-12-17 17:39:13,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:13,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:13,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088663317] [2020-12-17 17:39:13,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:13,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:13,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:13,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:13,598 INFO L87 Difference]: Start difference. First operand 22268 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:14,280 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-17 17:39:14,728 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:39:14,894 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:39:15,081 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:39:15,275 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:39:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:16,436 INFO L93 Difference]: Finished difference Result 22264 states and 53373 transitions. [2020-12-17 17:39:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:39:16,437 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:16,459 INFO L225 Difference]: With dead ends: 22264 [2020-12-17 17:39:16,459 INFO L226 Difference]: Without dead ends: 22264 [2020-12-17 17:39:16,460 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:39:16,460 INFO L78 Accepts]: Start accepts. Automaton has 22264 states. Word has length 109 [2020-12-17 17:39:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:16,461 INFO L481 AbstractCegarLoop]: Abstraction has 22264 states. [2020-12-17 17:39:16,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 22264 states. [2020-12-17 17:39:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:16,481 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:16,481 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:16,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-17 17:39:16,481 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:16,482 INFO L82 PathProgramCache]: Analyzing trace with hash -216771827, now seen corresponding path program 12 times [2020-12-17 17:39:16,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:16,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585151416] [2020-12-17 17:39:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:17,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585151416] [2020-12-17 17:39:17,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:17,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:17,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766655459] [2020-12-17 17:39:17,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:17,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:17,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:17,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:17,358 INFO L87 Difference]: Start difference. First operand 22264 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:18,300 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:18,486 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:39:18,666 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:39:19,050 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-12-17 17:39:19,251 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:39:19,438 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:39:20,150 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:39:20,436 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:39:20,696 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:39:21,006 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:21,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:21,266 INFO L93 Difference]: Finished difference Result 23041 states and 54843 transitions. [2020-12-17 17:39:21,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-17 17:39:21,267 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:21,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:21,284 INFO L225 Difference]: With dead ends: 23041 [2020-12-17 17:39:21,285 INFO L226 Difference]: Without dead ends: 23041 [2020-12-17 17:39:21,285 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=488, Invalid=1152, Unknown=0, NotChecked=0, Total=1640 [2020-12-17 17:39:21,285 INFO L78 Accepts]: Start accepts. Automaton has 23041 states. Word has length 109 [2020-12-17 17:39:21,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:21,286 INFO L481 AbstractCegarLoop]: Abstraction has 23041 states. [2020-12-17 17:39:21,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 23041 states. [2020-12-17 17:39:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:21,304 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:21,305 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:21,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-17 17:39:21,305 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:21,306 INFO L82 PathProgramCache]: Analyzing trace with hash 428295971, now seen corresponding path program 13 times [2020-12-17 17:39:21,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:21,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40627303] [2020-12-17 17:39:21,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:22,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40627303] [2020-12-17 17:39:22,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:22,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:22,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524668181] [2020-12-17 17:39:22,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:22,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:22,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:22,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:22,109 INFO L87 Difference]: Start difference. First operand 23041 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:23,173 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:23,575 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:39:24,235 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:39:24,458 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:24,648 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:25,323 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:39:25,634 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:39:26,070 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:39:26,241 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-12-17 17:39:26,420 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:26,713 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:39:26,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:26,724 INFO L93 Difference]: Finished difference Result 23033 states and 54835 transitions. [2020-12-17 17:39:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:39:26,725 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:26,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:26,746 INFO L225 Difference]: With dead ends: 23033 [2020-12-17 17:39:26,746 INFO L226 Difference]: Without dead ends: 23033 [2020-12-17 17:39:26,747 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=470, Invalid=1252, Unknown=0, NotChecked=0, Total=1722 [2020-12-17 17:39:26,747 INFO L78 Accepts]: Start accepts. Automaton has 23033 states. Word has length 109 [2020-12-17 17:39:26,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:26,748 INFO L481 AbstractCegarLoop]: Abstraction has 23033 states. [2020-12-17 17:39:26,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 23033 states. [2020-12-17 17:39:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:26,774 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:26,774 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:26,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-17 17:39:26,774 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:26,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:26,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1554043385, now seen corresponding path program 14 times [2020-12-17 17:39:26,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:26,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418028176] [2020-12-17 17:39:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:27,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418028176] [2020-12-17 17:39:27,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:27,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:27,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022492400] [2020-12-17 17:39:27,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:27,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:27,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:27,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:27,684 INFO L87 Difference]: Start difference. First operand 23033 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:28,631 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-17 17:39:29,294 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:39:29,577 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:39:29,782 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:29,977 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:30,666 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:39:30,802 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-17 17:39:30,962 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:39:31,206 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:39:31,619 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:31,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:31,882 INFO L93 Difference]: Finished difference Result 23025 states and 54827 transitions. [2020-12-17 17:39:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:39:31,883 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:31,905 INFO L225 Difference]: With dead ends: 23025 [2020-12-17 17:39:31,906 INFO L226 Difference]: Without dead ends: 23025 [2020-12-17 17:39:31,906 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=459, Invalid=1263, Unknown=0, NotChecked=0, Total=1722 [2020-12-17 17:39:31,907 INFO L78 Accepts]: Start accepts. Automaton has 23025 states. Word has length 109 [2020-12-17 17:39:31,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:31,907 INFO L481 AbstractCegarLoop]: Abstraction has 23025 states. [2020-12-17 17:39:31,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 23025 states. [2020-12-17 17:39:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:31,928 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:31,928 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:31,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-17 17:39:31,929 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash 724059229, now seen corresponding path program 15 times [2020-12-17 17:39:31,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:31,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288852236] [2020-12-17 17:39:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:32,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288852236] [2020-12-17 17:39:32,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:32,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:32,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375270715] [2020-12-17 17:39:32,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:32,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:32,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:32,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:32,823 INFO L87 Difference]: Start difference. First operand 23025 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:34,052 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:39:34,359 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:39:34,567 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:39:34,755 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:39:35,381 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-17 17:39:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:35,859 INFO L93 Difference]: Finished difference Result 23038 states and 54839 transitions. [2020-12-17 17:39:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-17 17:39:35,860 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:35,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:35,880 INFO L225 Difference]: With dead ends: 23038 [2020-12-17 17:39:35,880 INFO L226 Difference]: Without dead ends: 23038 [2020-12-17 17:39:35,881 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=333, Invalid=927, Unknown=0, NotChecked=0, Total=1260 [2020-12-17 17:39:35,881 INFO L78 Accepts]: Start accepts. Automaton has 23038 states. Word has length 109 [2020-12-17 17:39:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:35,881 INFO L481 AbstractCegarLoop]: Abstraction has 23038 states. [2020-12-17 17:39:35,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 23038 states. [2020-12-17 17:39:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:35,902 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:35,902 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:35,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-17 17:39:35,903 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:35,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:35,903 INFO L82 PathProgramCache]: Analyzing trace with hash 42705411, now seen corresponding path program 16 times [2020-12-17 17:39:35,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:35,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752248635] [2020-12-17 17:39:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:36,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752248635] [2020-12-17 17:39:36,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:36,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:36,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39204968] [2020-12-17 17:39:36,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:36,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:36,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:36,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:36,738 INFO L87 Difference]: Start difference. First operand 23038 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:37,587 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:39:37,909 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:39:38,143 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:39:39,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:39,137 INFO L93 Difference]: Finished difference Result 23070 states and 54869 transitions. [2020-12-17 17:39:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:39:39,138 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:39,161 INFO L225 Difference]: With dead ends: 23070 [2020-12-17 17:39:39,161 INFO L226 Difference]: Without dead ends: 23070 [2020-12-17 17:39:39,162 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:39:39,162 INFO L78 Accepts]: Start accepts. Automaton has 23070 states. Word has length 109 [2020-12-17 17:39:39,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:39,162 INFO L481 AbstractCegarLoop]: Abstraction has 23070 states. [2020-12-17 17:39:39,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23070 states. [2020-12-17 17:39:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:39,183 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:39,184 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:39,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-17 17:39:39,184 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:39,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:39,184 INFO L82 PathProgramCache]: Analyzing trace with hash 674820391, now seen corresponding path program 17 times [2020-12-17 17:39:39,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:39,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265886812] [2020-12-17 17:39:39,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:39,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265886812] [2020-12-17 17:39:39,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:39,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:39,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984312785] [2020-12-17 17:39:39,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:39,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:39,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:39,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:39,967 INFO L87 Difference]: Start difference. First operand 23070 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:40,863 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:39:41,040 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:39:41,234 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:39:41,422 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:39:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:42,508 INFO L93 Difference]: Finished difference Result 23102 states and 54899 transitions. [2020-12-17 17:39:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:39:42,509 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:42,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:42,532 INFO L225 Difference]: With dead ends: 23102 [2020-12-17 17:39:42,532 INFO L226 Difference]: Without dead ends: 23102 [2020-12-17 17:39:42,532 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=298, Invalid=892, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:39:42,532 INFO L78 Accepts]: Start accepts. Automaton has 23102 states. Word has length 109 [2020-12-17 17:39:42,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:42,533 INFO L481 AbstractCegarLoop]: Abstraction has 23102 states. [2020-12-17 17:39:42,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 23102 states. [2020-12-17 17:39:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:42,555 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:42,555 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:42,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-17 17:39:42,555 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:42,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:42,556 INFO L82 PathProgramCache]: Analyzing trace with hash 2128428479, now seen corresponding path program 18 times [2020-12-17 17:39:42,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:42,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985933127] [2020-12-17 17:39:42,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:43,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985933127] [2020-12-17 17:39:43,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:43,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:43,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602534572] [2020-12-17 17:39:43,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:43,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:43,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:43,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:43,471 INFO L87 Difference]: Start difference. First operand 23102 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:44,404 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:39:44,545 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:39:44,714 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:39:44,932 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:39:45,125 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:39:46,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:46,226 INFO L93 Difference]: Finished difference Result 23098 states and 54895 transitions. [2020-12-17 17:39:46,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-17 17:39:46,226 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:46,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:46,249 INFO L225 Difference]: With dead ends: 23098 [2020-12-17 17:39:46,249 INFO L226 Difference]: Without dead ends: 23098 [2020-12-17 17:39:46,250 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2020-12-17 17:39:46,250 INFO L78 Accepts]: Start accepts. Automaton has 23098 states. Word has length 109 [2020-12-17 17:39:46,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:46,250 INFO L481 AbstractCegarLoop]: Abstraction has 23098 states. [2020-12-17 17:39:46,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 23098 states. [2020-12-17 17:39:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:46,271 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:46,271 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:46,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-17 17:39:46,272 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:46,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1841603383, now seen corresponding path program 2 times [2020-12-17 17:39:46,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:46,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970027117] [2020-12-17 17:39:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:46,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970027117] [2020-12-17 17:39:46,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:46,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:46,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243082609] [2020-12-17 17:39:46,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:46,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:46,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:46,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:46,732 INFO L87 Difference]: Start difference. First operand 23098 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:48,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:48,564 INFO L93 Difference]: Finished difference Result 26492 states and 62890 transitions. [2020-12-17 17:39:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-17 17:39:48,565 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:48,599 INFO L225 Difference]: With dead ends: 26492 [2020-12-17 17:39:48,600 INFO L226 Difference]: Without dead ends: 26047 [2020-12-17 17:39:48,601 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=464, Invalid=942, Unknown=0, NotChecked=0, Total=1406 [2020-12-17 17:39:48,601 INFO L78 Accepts]: Start accepts. Automaton has 26047 states. Word has length 109 [2020-12-17 17:39:48,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:48,601 INFO L481 AbstractCegarLoop]: Abstraction has 26047 states. [2020-12-17 17:39:48,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 26047 states. [2020-12-17 17:39:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:48,637 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:48,637 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:48,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-17 17:39:48,638 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:48,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:48,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1039478255, now seen corresponding path program 19 times [2020-12-17 17:39:48,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:48,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015528124] [2020-12-17 17:39:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:49,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015528124] [2020-12-17 17:39:49,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:49,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:49,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102608800] [2020-12-17 17:39:49,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:49,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:49,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:49,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:49,615 INFO L87 Difference]: Start difference. First operand 26047 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:50,242 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-12-17 17:39:50,431 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-17 17:39:50,678 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-17 17:39:51,120 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-17 17:39:51,501 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-17 17:39:51,684 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-17 17:39:51,849 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-17 17:39:52,037 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-12-17 17:39:52,205 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-17 17:39:52,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:52,215 INFO L93 Difference]: Finished difference Result 26169 states and 62334 transitions. [2020-12-17 17:39:52,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:39:52,216 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:52,243 INFO L225 Difference]: With dead ends: 26169 [2020-12-17 17:39:52,244 INFO L226 Difference]: Without dead ends: 26169 [2020-12-17 17:39:52,244 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2020-12-17 17:39:52,244 INFO L78 Accepts]: Start accepts. Automaton has 26169 states. Word has length 109 [2020-12-17 17:39:52,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:52,245 INFO L481 AbstractCegarLoop]: Abstraction has 26169 states. [2020-12-17 17:39:52,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 26169 states. [2020-12-17 17:39:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:52,275 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:52,275 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:52,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-17 17:39:52,276 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:52,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1684546053, now seen corresponding path program 20 times [2020-12-17 17:39:52,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:52,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891791900] [2020-12-17 17:39:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:53,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891791900] [2020-12-17 17:39:53,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:53,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:53,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039769863] [2020-12-17 17:39:53,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:53,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:53,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:53,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:53,054 INFO L87 Difference]: Start difference. First operand 26169 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:53,819 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-17 17:39:54,055 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-17 17:39:54,425 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-17 17:39:54,794 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-12-17 17:39:55,182 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-17 17:39:55,355 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-12-17 17:39:55,509 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-17 17:39:55,684 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-17 17:39:55,843 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 17:39:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:55,852 INFO L93 Difference]: Finished difference Result 26165 states and 62330 transitions. [2020-12-17 17:39:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:39:55,852 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:55,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:55,876 INFO L225 Difference]: With dead ends: 26165 [2020-12-17 17:39:55,876 INFO L226 Difference]: Without dead ends: 26165 [2020-12-17 17:39:55,877 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2020-12-17 17:39:55,877 INFO L78 Accepts]: Start accepts. Automaton has 26165 states. Word has length 109 [2020-12-17 17:39:55,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:55,877 INFO L481 AbstractCegarLoop]: Abstraction has 26165 states. [2020-12-17 17:39:55,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 26165 states. [2020-12-17 17:39:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:55,903 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:55,904 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:55,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-17 17:39:55,904 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:55,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:55,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1530843013, now seen corresponding path program 21 times [2020-12-17 17:39:55,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:55,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569799005] [2020-12-17 17:39:55,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:39:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:39:56,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569799005] [2020-12-17 17:39:56,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:39:56,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:39:56,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479403092] [2020-12-17 17:39:56,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:39:56,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:39:56,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:39:56,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:39:56,673 INFO L87 Difference]: Start difference. First operand 26165 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:57,701 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-17 17:39:57,873 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 17:39:58,090 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-17 17:39:58,481 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-17 17:39:58,638 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-12-17 17:39:58,793 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-17 17:39:59,038 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-12-17 17:39:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:39:59,345 INFO L93 Difference]: Finished difference Result 26161 states and 62326 transitions. [2020-12-17 17:39:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:39:59,346 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:39:59,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:39:59,372 INFO L225 Difference]: With dead ends: 26161 [2020-12-17 17:39:59,372 INFO L226 Difference]: Without dead ends: 26161 [2020-12-17 17:39:59,373 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:39:59,373 INFO L78 Accepts]: Start accepts. Automaton has 26161 states. Word has length 109 [2020-12-17 17:39:59,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:39:59,374 INFO L481 AbstractCegarLoop]: Abstraction has 26161 states. [2020-12-17 17:39:59,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:39:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 26161 states. [2020-12-17 17:39:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:39:59,410 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:39:59,410 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:39:59,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-17 17:39:59,410 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:39:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:39:59,411 INFO L82 PathProgramCache]: Analyzing trace with hash 226642997, now seen corresponding path program 22 times [2020-12-17 17:39:59,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:39:59,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570800068] [2020-12-17 17:39:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:39:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:00,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570800068] [2020-12-17 17:40:00,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:00,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:40:00,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602709470] [2020-12-17 17:40:00,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:40:00,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:00,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:40:00,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:40:00,085 INFO L87 Difference]: Start difference. First operand 26161 states. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:01,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:01,401 INFO L93 Difference]: Finished difference Result 26355 states and 62593 transitions. [2020-12-17 17:40:01,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-17 17:40:01,402 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:01,427 INFO L225 Difference]: With dead ends: 26355 [2020-12-17 17:40:01,427 INFO L226 Difference]: Without dead ends: 26355 [2020-12-17 17:40:01,428 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2020-12-17 17:40:01,428 INFO L78 Accepts]: Start accepts. Automaton has 26355 states. Word has length 109 [2020-12-17 17:40:01,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:01,428 INFO L481 AbstractCegarLoop]: Abstraction has 26355 states. [2020-12-17 17:40:01,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 26355 states. [2020-12-17 17:40:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:01,454 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:01,454 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:01,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-17 17:40:01,454 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1447469441, now seen corresponding path program 23 times [2020-12-17 17:40:01,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:01,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867360534] [2020-12-17 17:40:01,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:02,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867360534] [2020-12-17 17:40:02,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:02,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:02,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514404446] [2020-12-17 17:40:02,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:02,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:02,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:02,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:02,275 INFO L87 Difference]: Start difference. First operand 26355 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:03,184 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-17 17:40:03,371 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 17:40:03,620 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-17 17:40:04,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:04,444 INFO L93 Difference]: Finished difference Result 27948 states and 65840 transitions. [2020-12-17 17:40:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:40:04,446 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:04,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:04,474 INFO L225 Difference]: With dead ends: 27948 [2020-12-17 17:40:04,474 INFO L226 Difference]: Without dead ends: 27948 [2020-12-17 17:40:04,475 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:04,475 INFO L78 Accepts]: Start accepts. Automaton has 27948 states. Word has length 109 [2020-12-17 17:40:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:04,475 INFO L481 AbstractCegarLoop]: Abstraction has 27948 states. [2020-12-17 17:40:04,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27948 states. [2020-12-17 17:40:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:04,506 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:04,506 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:04,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-17 17:40:04,506 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:04,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:04,507 INFO L82 PathProgramCache]: Analyzing trace with hash -853708361, now seen corresponding path program 3 times [2020-12-17 17:40:04,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:04,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148388882] [2020-12-17 17:40:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:05,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148388882] [2020-12-17 17:40:05,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:05,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:05,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074107893] [2020-12-17 17:40:05,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:05,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:05,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:05,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:05,145 INFO L87 Difference]: Start difference. First operand 27948 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:07,124 INFO L93 Difference]: Finished difference Result 27979 states and 65854 transitions. [2020-12-17 17:40:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-17 17:40:07,125 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:07,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:07,152 INFO L225 Difference]: With dead ends: 27979 [2020-12-17 17:40:07,152 INFO L226 Difference]: Without dead ends: 27414 [2020-12-17 17:40:07,153 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=484, Invalid=998, Unknown=0, NotChecked=0, Total=1482 [2020-12-17 17:40:07,153 INFO L78 Accepts]: Start accepts. Automaton has 27414 states. Word has length 109 [2020-12-17 17:40:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:07,153 INFO L481 AbstractCegarLoop]: Abstraction has 27414 states. [2020-12-17 17:40:07,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 27414 states. [2020-12-17 17:40:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:07,181 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:07,181 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:07,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-17 17:40:07,181 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:07,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:07,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1655833489, now seen corresponding path program 24 times [2020-12-17 17:40:07,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:07,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215348558] [2020-12-17 17:40:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:07,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215348558] [2020-12-17 17:40:07,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:07,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:07,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742507095] [2020-12-17 17:40:07,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:07,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:07,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:07,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:07,934 INFO L87 Difference]: Start difference. First operand 27414 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:08,794 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-17 17:40:09,051 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-17 17:40:09,661 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-17 17:40:10,070 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-17 17:40:10,257 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-17 17:40:10,424 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-17 17:40:10,611 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:40:10,781 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-12-17 17:40:10,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:10,793 INFO L93 Difference]: Finished difference Result 30311 states and 71895 transitions. [2020-12-17 17:40:10,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:40:10,794 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:10,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:10,824 INFO L225 Difference]: With dead ends: 30311 [2020-12-17 17:40:10,825 INFO L226 Difference]: Without dead ends: 30311 [2020-12-17 17:40:10,825 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2020-12-17 17:40:10,826 INFO L78 Accepts]: Start accepts. Automaton has 30311 states. Word has length 109 [2020-12-17 17:40:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:10,826 INFO L481 AbstractCegarLoop]: Abstraction has 30311 states. [2020-12-17 17:40:10,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 30311 states. [2020-12-17 17:40:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:10,863 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:10,863 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:10,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-17 17:40:10,863 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:10,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:10,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1010765691, now seen corresponding path program 25 times [2020-12-17 17:40:10,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:10,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120011212] [2020-12-17 17:40:10,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:11,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120011212] [2020-12-17 17:40:11,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:11,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:11,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015078689] [2020-12-17 17:40:11,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:11,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:11,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:11,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:11,692 INFO L87 Difference]: Start difference. First operand 30311 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:12,444 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-17 17:40:12,653 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-17 17:40:12,939 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-17 17:40:13,417 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-17 17:40:13,629 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:40:14,059 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-17 17:40:14,236 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-17 17:40:14,389 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-17 17:40:14,571 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-17 17:40:14,730 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:40:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:14,740 INFO L93 Difference]: Finished difference Result 30343 states and 71925 transitions. [2020-12-17 17:40:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:40:14,741 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:14,771 INFO L225 Difference]: With dead ends: 30343 [2020-12-17 17:40:14,771 INFO L226 Difference]: Without dead ends: 30343 [2020-12-17 17:40:14,772 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2020-12-17 17:40:14,772 INFO L78 Accepts]: Start accepts. Automaton has 30343 states. Word has length 109 [2020-12-17 17:40:14,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:14,772 INFO L481 AbstractCegarLoop]: Abstraction has 30343 states. [2020-12-17 17:40:14,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 30343 states. [2020-12-17 17:40:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:14,978 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:14,978 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:14,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-17 17:40:14,978 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:14,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:14,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1164468731, now seen corresponding path program 26 times [2020-12-17 17:40:14,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:14,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874714117] [2020-12-17 17:40:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:15,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874714117] [2020-12-17 17:40:15,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:15,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:15,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446958377] [2020-12-17 17:40:15,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:15,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:15,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:15,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:15,761 INFO L87 Difference]: Start difference. First operand 30343 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:16,852 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:40:17,026 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:40:17,245 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:40:17,667 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 17:40:17,827 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-17 17:40:17,981 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-17 17:40:18,225 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-17 17:40:18,387 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-17 17:40:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:18,558 INFO L93 Difference]: Finished difference Result 30339 states and 71921 transitions. [2020-12-17 17:40:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:40:18,559 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:18,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:18,596 INFO L225 Difference]: With dead ends: 30339 [2020-12-17 17:40:18,597 INFO L226 Difference]: Without dead ends: 30339 [2020-12-17 17:40:18,597 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:18,598 INFO L78 Accepts]: Start accepts. Automaton has 30339 states. Word has length 109 [2020-12-17 17:40:18,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:18,598 INFO L481 AbstractCegarLoop]: Abstraction has 30339 states. [2020-12-17 17:40:18,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:18,598 INFO L276 IsEmpty]: Start isEmpty. Operand 30339 states. [2020-12-17 17:40:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:18,636 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:18,637 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:18,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-17 17:40:18,637 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:18,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1904380469, now seen corresponding path program 27 times [2020-12-17 17:40:18,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:18,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277521014] [2020-12-17 17:40:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:19,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277521014] [2020-12-17 17:40:19,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:19,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:19,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191535026] [2020-12-17 17:40:19,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:19,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:19,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:19,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:19,647 INFO L87 Difference]: Start difference. First operand 30339 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:20,659 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:20,845 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:40:21,018 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:40:21,442 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:40:21,618 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-17 17:40:22,042 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:40:22,210 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:40:22,363 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:40:22,537 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:40:22,794 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:40:22,946 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:40:23,108 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:23,274 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:40:23,421 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:40:23,564 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:40:23,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:23,578 INFO L93 Difference]: Finished difference Result 30583 states and 72367 transitions. [2020-12-17 17:40:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-17 17:40:23,579 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:23,603 INFO L225 Difference]: With dead ends: 30583 [2020-12-17 17:40:23,603 INFO L226 Difference]: Without dead ends: 30583 [2020-12-17 17:40:23,604 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=450, Invalid=1032, Unknown=0, NotChecked=0, Total=1482 [2020-12-17 17:40:23,604 INFO L78 Accepts]: Start accepts. Automaton has 30583 states. Word has length 109 [2020-12-17 17:40:23,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:23,604 INFO L481 AbstractCegarLoop]: Abstraction has 30583 states. [2020-12-17 17:40:23,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 30583 states. [2020-12-17 17:40:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:23,631 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:23,631 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:23,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-17 17:40:23,631 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:23,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:23,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1259312671, now seen corresponding path program 28 times [2020-12-17 17:40:23,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:23,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262710110] [2020-12-17 17:40:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:24,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262710110] [2020-12-17 17:40:24,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:24,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:24,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960484166] [2020-12-17 17:40:24,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:24,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:24,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:24,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:24,369 INFO L87 Difference]: Start difference. First operand 30583 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:25,054 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-17 17:40:25,223 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:25,430 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:40:25,613 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:40:26,082 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:40:26,264 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:26,523 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:40:27,014 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:40:27,183 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:40:27,339 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:40:27,520 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:40:27,657 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:40:27,820 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:40:27,989 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:28,159 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:40:28,455 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:40:28,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:28,471 INFO L93 Difference]: Finished difference Result 30579 states and 72363 transitions. [2020-12-17 17:40:28,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-17 17:40:28,472 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:28,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:28,500 INFO L225 Difference]: With dead ends: 30579 [2020-12-17 17:40:28,500 INFO L226 Difference]: Without dead ends: 30579 [2020-12-17 17:40:28,501 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=435, Invalid=1125, Unknown=0, NotChecked=0, Total=1560 [2020-12-17 17:40:28,501 INFO L78 Accepts]: Start accepts. Automaton has 30579 states. Word has length 109 [2020-12-17 17:40:28,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:28,501 INFO L481 AbstractCegarLoop]: Abstraction has 30579 states. [2020-12-17 17:40:28,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30579 states. [2020-12-17 17:40:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:28,529 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:28,529 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:28,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-17 17:40:28,529 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:28,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:28,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1053315269, now seen corresponding path program 29 times [2020-12-17 17:40:28,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:28,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505198688] [2020-12-17 17:40:28,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:29,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505198688] [2020-12-17 17:40:29,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:29,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:29,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545731085] [2020-12-17 17:40:29,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:29,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:29,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:29,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:29,299 INFO L87 Difference]: Start difference. First operand 30579 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:30,177 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:40:30,533 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:40:30,702 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:40:30,880 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:31,070 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:40:31,697 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:40:31,854 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:40:31,991 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:40:32,267 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:40:32,417 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:40:32,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:32,427 INFO L93 Difference]: Finished difference Result 30575 states and 72359 transitions. [2020-12-17 17:40:32,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:40:32,428 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:32,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:32,452 INFO L225 Difference]: With dead ends: 30575 [2020-12-17 17:40:32,452 INFO L226 Difference]: Without dead ends: 30575 [2020-12-17 17:40:32,452 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=321, Invalid=869, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:40:32,453 INFO L78 Accepts]: Start accepts. Automaton has 30575 states. Word has length 109 [2020-12-17 17:40:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:32,453 INFO L481 AbstractCegarLoop]: Abstraction has 30575 states. [2020-12-17 17:40:32,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30575 states. [2020-12-17 17:40:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:32,477 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:32,477 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:32,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-17 17:40:32,477 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:32,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:32,478 INFO L82 PathProgramCache]: Analyzing trace with hash -581811171, now seen corresponding path program 30 times [2020-12-17 17:40:32,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:32,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017814633] [2020-12-17 17:40:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:33,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017814633] [2020-12-17 17:40:33,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:33,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:33,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280172479] [2020-12-17 17:40:33,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:33,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:33,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:33,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:33,285 INFO L87 Difference]: Start difference. First operand 30575 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:34,205 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:40:34,393 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:40:34,630 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:40:35,327 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-17 17:40:35,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:35,834 INFO L93 Difference]: Finished difference Result 30607 states and 72389 transitions. [2020-12-17 17:40:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:40:35,834 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:35,997 INFO L225 Difference]: With dead ends: 30607 [2020-12-17 17:40:35,998 INFO L226 Difference]: Without dead ends: 30607 [2020-12-17 17:40:35,998 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:35,998 INFO L78 Accepts]: Start accepts. Automaton has 30607 states. Word has length 109 [2020-12-17 17:40:35,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:35,998 INFO L481 AbstractCegarLoop]: Abstraction has 30607 states. [2020-12-17 17:40:35,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30607 states. [2020-12-17 17:40:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:36,023 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:36,023 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:36,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-17 17:40:36,024 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:36,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:36,024 INFO L82 PathProgramCache]: Analyzing trace with hash 50303809, now seen corresponding path program 31 times [2020-12-17 17:40:36,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:36,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830328831] [2020-12-17 17:40:36,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:36,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830328831] [2020-12-17 17:40:36,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:36,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:36,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372047834] [2020-12-17 17:40:36,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:36,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:36,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:36,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:36,798 INFO L87 Difference]: Start difference. First operand 30607 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:37,756 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:40:37,930 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:40:38,120 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:40:38,310 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:40:39,051 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-17 17:40:39,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:39,559 INFO L93 Difference]: Finished difference Result 30603 states and 72385 transitions. [2020-12-17 17:40:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:40:39,560 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:39,588 INFO L225 Difference]: With dead ends: 30603 [2020-12-17 17:40:39,588 INFO L226 Difference]: Without dead ends: 30603 [2020-12-17 17:40:39,589 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:40:39,589 INFO L78 Accepts]: Start accepts. Automaton has 30603 states. Word has length 109 [2020-12-17 17:40:39,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:39,589 INFO L481 AbstractCegarLoop]: Abstraction has 30603 states. [2020-12-17 17:40:39,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 30603 states. [2020-12-17 17:40:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:39,619 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:39,619 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:39,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-12-17 17:40:39,619 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:39,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1085951995, now seen corresponding path program 32 times [2020-12-17 17:40:39,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:39,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106053894] [2020-12-17 17:40:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:40,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106053894] [2020-12-17 17:40:40,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:40,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:40,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635614349] [2020-12-17 17:40:40,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:40,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:40,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:40,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:40,709 INFO L87 Difference]: Start difference. First operand 30603 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:41,765 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-17 17:40:42,002 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 17:40:42,320 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-17 17:40:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:43,252 INFO L93 Difference]: Finished difference Result 31884 states and 75071 transitions. [2020-12-17 17:40:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:40:43,253 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:43,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:43,287 INFO L225 Difference]: With dead ends: 31884 [2020-12-17 17:40:43,287 INFO L226 Difference]: Without dead ends: 31884 [2020-12-17 17:40:43,288 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:43,288 INFO L78 Accepts]: Start accepts. Automaton has 31884 states. Word has length 109 [2020-12-17 17:40:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:43,288 INFO L481 AbstractCegarLoop]: Abstraction has 31884 states. [2020-12-17 17:40:43,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 31884 states. [2020-12-17 17:40:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:43,327 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:43,327 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:43,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-17 17:40:43,327 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:43,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:43,328 INFO L82 PathProgramCache]: Analyzing trace with hash -428295709, now seen corresponding path program 33 times [2020-12-17 17:40:43,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:43,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682522088] [2020-12-17 17:40:43,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:44,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682522088] [2020-12-17 17:40:44,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:44,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:44,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678651580] [2020-12-17 17:40:44,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:44,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:44,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:44,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:44,204 INFO L87 Difference]: Start difference. First operand 31884 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:45,029 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 17:40:45,173 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:40:45,364 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:40:45,617 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:40:46,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:46,430 INFO L93 Difference]: Finished difference Result 31916 states and 75101 transitions. [2020-12-17 17:40:46,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:40:46,431 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:46,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:46,459 INFO L225 Difference]: With dead ends: 31916 [2020-12-17 17:40:46,460 INFO L226 Difference]: Without dead ends: 31916 [2020-12-17 17:40:46,460 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:46,460 INFO L78 Accepts]: Start accepts. Automaton has 31916 states. Word has length 109 [2020-12-17 17:40:46,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:46,460 INFO L481 AbstractCegarLoop]: Abstraction has 31916 states. [2020-12-17 17:40:46,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31916 states. [2020-12-17 17:40:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:46,490 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:46,490 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:46,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-17 17:40:46,490 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash 203819271, now seen corresponding path program 34 times [2020-12-17 17:40:46,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:46,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741257014] [2020-12-17 17:40:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:47,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741257014] [2020-12-17 17:40:47,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:47,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:47,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191396825] [2020-12-17 17:40:47,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:47,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:47,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:47,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:47,337 INFO L87 Difference]: Start difference. First operand 31916 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:48,264 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:40:48,448 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:40:48,655 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:40:48,855 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:40:49,700 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-17 17:40:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:49,885 INFO L93 Difference]: Finished difference Result 31912 states and 75097 transitions. [2020-12-17 17:40:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:40:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:49,909 INFO L225 Difference]: With dead ends: 31912 [2020-12-17 17:40:49,909 INFO L226 Difference]: Without dead ends: 31912 [2020-12-17 17:40:49,910 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=299, Invalid=891, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:40:49,910 INFO L78 Accepts]: Start accepts. Automaton has 31912 states. Word has length 109 [2020-12-17 17:40:49,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:49,910 INFO L481 AbstractCegarLoop]: Abstraction has 31912 states. [2020-12-17 17:40:49,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 31912 states. [2020-12-17 17:40:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:49,935 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:49,935 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:49,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-17 17:40:49,935 INFO L429 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:49,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:49,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1263144195, now seen corresponding path program 35 times [2020-12-17 17:40:49,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:49,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189746430] [2020-12-17 17:40:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:50,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189746430] [2020-12-17 17:40:50,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:50,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:50,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266244769] [2020-12-17 17:40:50,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:50,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:50,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:50,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:50,712 INFO L87 Difference]: Start difference. First operand 31912 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:51,521 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-17 17:40:51,725 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 17:40:52,000 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-17 17:40:52,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:52,731 INFO L93 Difference]: Finished difference Result 31908 states and 75093 transitions. [2020-12-17 17:40:52,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:40:52,731 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:52,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:52,760 INFO L225 Difference]: With dead ends: 31908 [2020-12-17 17:40:52,760 INFO L226 Difference]: Without dead ends: 31908 [2020-12-17 17:40:52,761 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=264, Invalid=858, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:52,761 INFO L78 Accepts]: Start accepts. Automaton has 31908 states. Word has length 109 [2020-12-17 17:40:52,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:52,762 INFO L481 AbstractCegarLoop]: Abstraction has 31908 states. [2020-12-17 17:40:52,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 31908 states. [2020-12-17 17:40:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:52,791 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:52,791 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:52,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-12-17 17:40:52,792 INFO L429 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:52,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:52,792 INFO L82 PathProgramCache]: Analyzing trace with hash -605487909, now seen corresponding path program 36 times [2020-12-17 17:40:52,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:52,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170516572] [2020-12-17 17:40:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:53,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170516572] [2020-12-17 17:40:53,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:53,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:53,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078607493] [2020-12-17 17:40:53,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:53,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:53,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:53,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:53,718 INFO L87 Difference]: Start difference. First operand 31908 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:54,567 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:40:54,775 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:40:55,048 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:40:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:55,828 INFO L93 Difference]: Finished difference Result 31940 states and 75123 transitions. [2020-12-17 17:40:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:40:55,829 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:55,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:55,862 INFO L225 Difference]: With dead ends: 31940 [2020-12-17 17:40:55,862 INFO L226 Difference]: Without dead ends: 31940 [2020-12-17 17:40:55,862 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:40:55,862 INFO L78 Accepts]: Start accepts. Automaton has 31940 states. Word has length 109 [2020-12-17 17:40:55,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:55,863 INFO L481 AbstractCegarLoop]: Abstraction has 31940 states. [2020-12-17 17:40:55,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 31940 states. [2020-12-17 17:40:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:55,894 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:55,895 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:55,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-12-17 17:40:55,895 INFO L429 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:55,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:55,895 INFO L82 PathProgramCache]: Analyzing trace with hash 26627071, now seen corresponding path program 37 times [2020-12-17 17:40:55,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:55,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267187271] [2020-12-17 17:40:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:56,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267187271] [2020-12-17 17:40:56,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:56,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:56,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047055381] [2020-12-17 17:40:56,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:56,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:56,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:56,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:56,654 INFO L87 Difference]: Start difference. First operand 31940 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:57,496 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:40:57,687 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:40:57,900 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:40:58,248 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:40:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:40:59,051 INFO L93 Difference]: Finished difference Result 31936 states and 75119 transitions. [2020-12-17 17:40:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:40:59,052 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:40:59,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:40:59,079 INFO L225 Difference]: With dead ends: 31936 [2020-12-17 17:40:59,080 INFO L226 Difference]: Without dead ends: 31936 [2020-12-17 17:40:59,080 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:40:59,080 INFO L78 Accepts]: Start accepts. Automaton has 31936 states. Word has length 109 [2020-12-17 17:40:59,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:40:59,081 INFO L481 AbstractCegarLoop]: Abstraction has 31936 states. [2020-12-17 17:40:59,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:40:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 31936 states. [2020-12-17 17:40:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:40:59,111 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:40:59,111 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:40:59,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-17 17:40:59,112 INFO L429 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:40:59,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:40:59,112 INFO L82 PathProgramCache]: Analyzing trace with hash 608962849, now seen corresponding path program 38 times [2020-12-17 17:40:59,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:40:59,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096608879] [2020-12-17 17:40:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:40:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:40:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:40:59,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096608879] [2020-12-17 17:40:59,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:40:59,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:40:59,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661617502] [2020-12-17 17:40:59,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:40:59,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:40:59,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:40:59,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:40:59,883 INFO L87 Difference]: Start difference. First operand 31936 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:00,757 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-17 17:41:00,960 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:41:01,219 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:41:01,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:01,970 INFO L93 Difference]: Finished difference Result 31968 states and 75149 transitions. [2020-12-17 17:41:01,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:41:01,971 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:41:01,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:02,000 INFO L225 Difference]: With dead ends: 31968 [2020-12-17 17:41:02,001 INFO L226 Difference]: Without dead ends: 31968 [2020-12-17 17:41:02,001 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 17:41:02,001 INFO L78 Accepts]: Start accepts. Automaton has 31968 states. Word has length 109 [2020-12-17 17:41:02,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:02,001 INFO L481 AbstractCegarLoop]: Abstraction has 31968 states. [2020-12-17 17:41:02,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 31968 states. [2020-12-17 17:41:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:41:02,031 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:02,031 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:02,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-17 17:41:02,032 INFO L429 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1241077829, now seen corresponding path program 39 times [2020-12-17 17:41:02,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:02,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260952629] [2020-12-17 17:41:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:02,372 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2020-12-17 17:41:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:03,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260952629] [2020-12-17 17:41:03,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:03,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:41:03,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382746770] [2020-12-17 17:41:03,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:41:03,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:03,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:41:03,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:41:03,050 INFO L87 Difference]: Start difference. First operand 31968 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:04,023 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:41:04,231 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:41:04,476 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:41:04,700 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:41:05,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:05,628 INFO L93 Difference]: Finished difference Result 32000 states and 75179 transitions. [2020-12-17 17:41:05,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-17 17:41:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:41:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:05,659 INFO L225 Difference]: With dead ends: 32000 [2020-12-17 17:41:05,660 INFO L226 Difference]: Without dead ends: 32000 [2020-12-17 17:41:05,660 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=287, Invalid=903, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:41:05,660 INFO L78 Accepts]: Start accepts. Automaton has 32000 states. Word has length 109 [2020-12-17 17:41:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:05,660 INFO L481 AbstractCegarLoop]: Abstraction has 32000 states. [2020-12-17 17:41:05,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32000 states. [2020-12-17 17:41:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-17 17:41:05,701 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:05,701 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:05,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-12-17 17:41:05,702 INFO L429 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:05,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:05,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1600281379, now seen corresponding path program 40 times [2020-12-17 17:41:05,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:05,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595143344] [2020-12-17 17:41:05,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:06,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595143344] [2020-12-17 17:41:06,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:06,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-17 17:41:06,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807173861] [2020-12-17 17:41:06,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-17 17:41:06,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:06,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-17 17:41:06,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-12-17 17:41:06,543 INFO L87 Difference]: Start difference. First operand 32000 states. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:07,295 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-17 17:41:07,643 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:41:07,776 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-17 17:41:07,972 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:41:08,218 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:41:08,428 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:41:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:09,258 INFO L93 Difference]: Finished difference Result 31996 states and 75175 transitions. [2020-12-17 17:41:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-17 17:41:09,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-17 17:41:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:09,289 INFO L225 Difference]: With dead ends: 31996 [2020-12-17 17:41:09,289 INFO L226 Difference]: Without dead ends: 31996 [2020-12-17 17:41:09,290 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2020-12-17 17:41:09,290 INFO L78 Accepts]: Start accepts. Automaton has 31996 states. Word has length 109 [2020-12-17 17:41:09,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:09,290 INFO L481 AbstractCegarLoop]: Abstraction has 31996 states. [2020-12-17 17:41:09,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 31996 states. [2020-12-17 17:41:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:09,321 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:09,321 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:09,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-12-17 17:41:09,321 INFO L429 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:09,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1698704721, now seen corresponding path program 1 times [2020-12-17 17:41:09,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:09,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968071529] [2020-12-17 17:41:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:09,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968071529] [2020-12-17 17:41:09,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:09,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:41:09,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71421025] [2020-12-17 17:41:09,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:41:09,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:09,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:41:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:41:09,795 INFO L87 Difference]: Start difference. First operand 31996 states. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:11,027 INFO L93 Difference]: Finished difference Result 35098 states and 82183 transitions. [2020-12-17 17:41:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:41:11,028 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:41:11,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:11,061 INFO L225 Difference]: With dead ends: 35098 [2020-12-17 17:41:11,062 INFO L226 Difference]: Without dead ends: 35098 [2020-12-17 17:41:11,062 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-12-17 17:41:11,062 INFO L78 Accepts]: Start accepts. Automaton has 35098 states. Word has length 115 [2020-12-17 17:41:11,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:11,062 INFO L481 AbstractCegarLoop]: Abstraction has 35098 states. [2020-12-17 17:41:11,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 35098 states. [2020-12-17 17:41:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:11,096 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:11,096 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:11,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-12-17 17:41:11,097 INFO L429 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:11,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1397835533, now seen corresponding path program 2 times [2020-12-17 17:41:11,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:11,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804326245] [2020-12-17 17:41:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:13,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804326245] [2020-12-17 17:41:13,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:13,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:41:13,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182809782] [2020-12-17 17:41:13,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:41:13,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:13,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:41:13,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:41:13,181 INFO L87 Difference]: Start difference. First operand 35098 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:14,277 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:41:14,684 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:41:14,925 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:41:15,229 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-17 17:41:15,751 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:41:16,000 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:16,181 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:41:16,550 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:41:16,824 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:41:17,031 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:41:17,218 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:17,428 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:41:17,582 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:41:18,162 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:41:18,331 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:41:18,505 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:19,577 INFO L93 Difference]: Finished difference Result 37774 states and 88278 transitions. [2020-12-17 17:41:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-17 17:41:19,578 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:41:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:19,613 INFO L225 Difference]: With dead ends: 37774 [2020-12-17 17:41:19,614 INFO L226 Difference]: Without dead ends: 37042 [2020-12-17 17:41:19,614 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=578, Invalid=2614, Unknown=0, NotChecked=0, Total=3192 [2020-12-17 17:41:19,614 INFO L78 Accepts]: Start accepts. Automaton has 37042 states. Word has length 115 [2020-12-17 17:41:19,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:19,615 INFO L481 AbstractCegarLoop]: Abstraction has 37042 states. [2020-12-17 17:41:19,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 37042 states. [2020-12-17 17:41:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:19,656 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:19,656 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:19,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-12-17 17:41:19,656 INFO L429 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:19,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:19,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1685331195, now seen corresponding path program 3 times [2020-12-17 17:41:19,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:19,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046336794] [2020-12-17 17:41:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:21,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046336794] [2020-12-17 17:41:21,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:21,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:41:21,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540526332] [2020-12-17 17:41:21,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:41:21,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:21,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:41:21,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:41:21,589 INFO L87 Difference]: Start difference. First operand 37042 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:22,443 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:41:22,676 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:41:23,097 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:41:23,339 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:41:23,641 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-17 17:41:24,150 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:41:24,401 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:24,591 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:41:24,956 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:41:25,170 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:41:25,370 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:41:25,906 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-17 17:41:26,092 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:26,304 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:41:26,479 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:26,643 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:41:26,792 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:41:26,965 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:27,121 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:41:28,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:28,336 INFO L93 Difference]: Finished difference Result 37244 states and 86784 transitions. [2020-12-17 17:41:28,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-17 17:41:28,337 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:41:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:28,375 INFO L225 Difference]: With dead ends: 37244 [2020-12-17 17:41:28,375 INFO L226 Difference]: Without dead ends: 36932 [2020-12-17 17:41:28,376 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=604, Invalid=2818, Unknown=0, NotChecked=0, Total=3422 [2020-12-17 17:41:28,376 INFO L78 Accepts]: Start accepts. Automaton has 36932 states. Word has length 115 [2020-12-17 17:41:28,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:28,376 INFO L481 AbstractCegarLoop]: Abstraction has 36932 states. [2020-12-17 17:41:28,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36932 states. [2020-12-17 17:41:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:28,412 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:28,412 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:28,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-12-17 17:41:28,412 INFO L429 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:28,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:28,413 INFO L82 PathProgramCache]: Analyzing trace with hash 488327277, now seen corresponding path program 4 times [2020-12-17 17:41:28,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:28,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640913859] [2020-12-17 17:41:28,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:30,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:30,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640913859] [2020-12-17 17:41:30,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:30,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:41:30,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677432289] [2020-12-17 17:41:30,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:41:30,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:30,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:41:30,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:41:30,246 INFO L87 Difference]: Start difference. First operand 36932 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:31,127 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:41:31,362 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:41:31,769 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:41:32,014 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:41:32,315 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-17 17:41:32,923 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:41:33,178 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:33,371 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:41:34,116 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-12-17 17:41:34,292 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-17 17:41:34,614 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-17 17:41:34,806 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-17 17:41:35,021 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:41:35,195 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:41:35,373 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:41:36,069 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 17:41:37,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:37,009 INFO L93 Difference]: Finished difference Result 37321 states and 86823 transitions. [2020-12-17 17:41:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-17 17:41:37,010 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:41:37,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:37,045 INFO L225 Difference]: With dead ends: 37321 [2020-12-17 17:41:37,045 INFO L226 Difference]: Without dead ends: 36657 [2020-12-17 17:41:37,046 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=562, Invalid=2744, Unknown=0, NotChecked=0, Total=3306 [2020-12-17 17:41:37,046 INFO L78 Accepts]: Start accepts. Automaton has 36657 states. Word has length 115 [2020-12-17 17:41:37,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:37,046 INFO L481 AbstractCegarLoop]: Abstraction has 36657 states. [2020-12-17 17:41:37,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 36657 states. [2020-12-17 17:41:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:37,080 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:37,080 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:37,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-12-17 17:41:37,080 INFO L429 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:37,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:37,081 INFO L82 PathProgramCache]: Analyzing trace with hash 305954835, now seen corresponding path program 5 times [2020-12-17 17:41:37,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:37,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851063511] [2020-12-17 17:41:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:38,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851063511] [2020-12-17 17:41:38,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:38,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:41:38,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691929647] [2020-12-17 17:41:38,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:41:38,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:38,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:41:38,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:41:38,912 INFO L87 Difference]: Start difference. First operand 36657 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:40,148 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:41:40,574 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:41:40,821 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:41:41,125 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-17 17:41:41,631 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:41:42,416 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2020-12-17 17:41:42,604 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:41:42,774 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:41:43,037 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:41:43,237 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-17 17:41:43,414 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:41:43,615 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-17 17:41:43,803 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:41:43,984 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-17 17:41:45,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:45,438 INFO L93 Difference]: Finished difference Result 37352 states and 86686 transitions. [2020-12-17 17:41:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-17 17:41:45,439 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:41:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:45,473 INFO L225 Difference]: With dead ends: 37352 [2020-12-17 17:41:45,473 INFO L226 Difference]: Without dead ends: 36972 [2020-12-17 17:41:45,474 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=615, Invalid=2691, Unknown=0, NotChecked=0, Total=3306 [2020-12-17 17:41:45,474 INFO L78 Accepts]: Start accepts. Automaton has 36972 states. Word has length 115 [2020-12-17 17:41:45,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:45,474 INFO L481 AbstractCegarLoop]: Abstraction has 36972 states. [2020-12-17 17:41:45,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 36972 states. [2020-12-17 17:41:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:45,509 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:45,509 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:45,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-12-17 17:41:45,509 INFO L429 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1137774965, now seen corresponding path program 6 times [2020-12-17 17:41:45,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:45,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246346490] [2020-12-17 17:41:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:47,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246346490] [2020-12-17 17:41:47,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:47,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:41:47,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277419925] [2020-12-17 17:41:47,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:41:47,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:47,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:41:47,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:41:47,537 INFO L87 Difference]: Start difference. First operand 36972 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:48,440 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:41:48,682 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:41:49,111 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:41:49,367 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:41:49,682 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-17 17:41:50,497 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2020-12-17 17:41:50,858 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-17 17:41:51,063 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:41:51,261 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:41:51,530 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:41:51,718 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-17 17:41:51,897 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:41:52,105 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-17 17:41:52,293 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:41:52,471 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-17 17:41:53,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:41:53,949 INFO L93 Difference]: Finished difference Result 37152 states and 86169 transitions. [2020-12-17 17:41:53,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-17 17:41:53,950 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:41:53,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:41:53,984 INFO L225 Difference]: With dead ends: 37152 [2020-12-17 17:41:53,985 INFO L226 Difference]: Without dead ends: 36744 [2020-12-17 17:41:53,985 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=588, Invalid=2604, Unknown=0, NotChecked=0, Total=3192 [2020-12-17 17:41:53,985 INFO L78 Accepts]: Start accepts. Automaton has 36744 states. Word has length 115 [2020-12-17 17:41:53,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:41:53,986 INFO L481 AbstractCegarLoop]: Abstraction has 36744 states. [2020-12-17 17:41:53,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 36744 states. [2020-12-17 17:41:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:41:54,020 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:41:54,020 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:41:54,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-12-17 17:41:54,020 INFO L429 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:41:54,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:41:54,020 INFO L82 PathProgramCache]: Analyzing trace with hash -2054582485, now seen corresponding path program 7 times [2020-12-17 17:41:54,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:41:54,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938925563] [2020-12-17 17:41:54,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:41:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:41:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:41:55,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938925563] [2020-12-17 17:41:55,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:41:55,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:41:55,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119076192] [2020-12-17 17:41:55,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:41:55,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:41:55,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:41:55,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:41:55,850 INFO L87 Difference]: Start difference. First operand 36744 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:41:56,775 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:41:57,017 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:41:57,451 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:41:57,710 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:41:58,173 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:41:58,515 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:41:58,681 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:41:58,949 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-17 17:41:59,117 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:41:59,277 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:41:59,733 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:41:59,923 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:42:00,482 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:42:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:01,629 INFO L93 Difference]: Finished difference Result 39196 states and 91244 transitions. [2020-12-17 17:42:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:42:01,630 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:01,678 INFO L225 Difference]: With dead ends: 39196 [2020-12-17 17:42:01,678 INFO L226 Difference]: Without dead ends: 38970 [2020-12-17 17:42:01,678 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:42:01,678 INFO L78 Accepts]: Start accepts. Automaton has 38970 states. Word has length 115 [2020-12-17 17:42:01,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:01,679 INFO L481 AbstractCegarLoop]: Abstraction has 38970 states. [2020-12-17 17:42:01,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 38970 states. [2020-12-17 17:42:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:01,730 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:01,730 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:01,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-12-17 17:42:01,730 INFO L429 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:01,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:01,731 INFO L82 PathProgramCache]: Analyzing trace with hash -842781917, now seen corresponding path program 8 times [2020-12-17 17:42:01,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:01,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13801171] [2020-12-17 17:42:01,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:03,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13801171] [2020-12-17 17:42:03,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:03,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:03,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247051399] [2020-12-17 17:42:03,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:03,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:03,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:03,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:03,426 INFO L87 Difference]: Start difference. First operand 38970 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:04,327 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:04,570 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:04,989 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:05,228 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:05,672 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:06,005 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:42:06,169 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:06,417 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-17 17:42:06,597 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:06,764 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:42:07,201 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:42:07,758 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:42:07,964 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:08,112 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:42:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:09,213 INFO L93 Difference]: Finished difference Result 39037 states and 90817 transitions. [2020-12-17 17:42:09,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-17 17:42:09,214 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:09,248 INFO L225 Difference]: With dead ends: 39037 [2020-12-17 17:42:09,249 INFO L226 Difference]: Without dead ends: 38937 [2020-12-17 17:42:09,249 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=499, Invalid=2363, Unknown=0, NotChecked=0, Total=2862 [2020-12-17 17:42:09,249 INFO L78 Accepts]: Start accepts. Automaton has 38937 states. Word has length 115 [2020-12-17 17:42:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:09,249 INFO L481 AbstractCegarLoop]: Abstraction has 38937 states. [2020-12-17 17:42:09,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 38937 states. [2020-12-17 17:42:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:09,282 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:09,282 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:09,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-12-17 17:42:09,282 INFO L429 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:09,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1330876555, now seen corresponding path program 9 times [2020-12-17 17:42:09,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:09,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561627340] [2020-12-17 17:42:09,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:11,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561627340] [2020-12-17 17:42:11,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:11,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:11,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910480711] [2020-12-17 17:42:11,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:11,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:11,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:11,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:11,016 INFO L87 Difference]: Start difference. First operand 38937 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:11,886 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:12,124 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:12,545 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:12,795 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:13,235 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:13,561 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:42:13,725 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:13,975 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-17 17:42:14,151 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:14,322 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:42:15,053 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-12-17 17:42:15,251 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-17 17:42:15,545 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-17 17:42:15,756 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:16,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:16,721 INFO L93 Difference]: Finished difference Result 39060 states and 90820 transitions. [2020-12-17 17:42:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:42:16,722 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:16,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:16,757 INFO L225 Difference]: With dead ends: 39060 [2020-12-17 17:42:16,757 INFO L226 Difference]: Without dead ends: 38738 [2020-12-17 17:42:16,758 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=480, Invalid=2276, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:42:16,758 INFO L78 Accepts]: Start accepts. Automaton has 38738 states. Word has length 115 [2020-12-17 17:42:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:16,758 INFO L481 AbstractCegarLoop]: Abstraction has 38738 states. [2020-12-17 17:42:16,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 38738 states. [2020-12-17 17:42:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:16,793 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:16,794 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:16,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-12-17 17:42:16,794 INFO L429 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:16,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:16,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1148504113, now seen corresponding path program 10 times [2020-12-17 17:42:16,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:16,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458252643] [2020-12-17 17:42:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:18,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458252643] [2020-12-17 17:42:18,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:18,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:18,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029479437] [2020-12-17 17:42:18,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:18,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:18,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:18,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:18,598 INFO L87 Difference]: Start difference. First operand 38738 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:19,483 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:19,732 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:20,166 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:20,418 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:20,851 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:21,187 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-17 17:42:21,492 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:21,692 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:22,253 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2020-12-17 17:42:22,495 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-17 17:42:22,686 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-17 17:42:22,866 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:42:23,113 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:42:23,311 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:42:24,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:24,304 INFO L93 Difference]: Finished difference Result 38766 states and 90182 transitions. [2020-12-17 17:42:24,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:42:24,305 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:24,349 INFO L225 Difference]: With dead ends: 38766 [2020-12-17 17:42:24,349 INFO L226 Difference]: Without dead ends: 38658 [2020-12-17 17:42:24,349 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:42:24,349 INFO L78 Accepts]: Start accepts. Automaton has 38658 states. Word has length 115 [2020-12-17 17:42:24,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:24,350 INFO L481 AbstractCegarLoop]: Abstraction has 38658 states. [2020-12-17 17:42:24,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 38658 states. [2020-12-17 17:42:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:24,386 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:24,386 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:24,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-12-17 17:42:24,387 INFO L429 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:24,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1828127119, now seen corresponding path program 11 times [2020-12-17 17:42:24,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:24,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631107711] [2020-12-17 17:42:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:26,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631107711] [2020-12-17 17:42:26,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:26,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:26,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903440294] [2020-12-17 17:42:26,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:26,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:26,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:26,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:26,273 INFO L87 Difference]: Start difference. First operand 38658 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:27,180 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:27,415 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:27,827 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:28,080 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:28,673 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:28,940 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:42:29,184 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-17 17:42:29,334 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:29,520 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-17 17:42:29,754 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:30,198 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-17 17:42:30,396 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:42:30,962 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:42:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:32,051 INFO L93 Difference]: Finished difference Result 42102 states and 97804 transitions. [2020-12-17 17:42:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:42:32,052 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:32,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:32,091 INFO L225 Difference]: With dead ends: 42102 [2020-12-17 17:42:32,092 INFO L226 Difference]: Without dead ends: 41876 [2020-12-17 17:42:32,092 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=473, Invalid=2283, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:42:32,092 INFO L78 Accepts]: Start accepts. Automaton has 41876 states. Word has length 115 [2020-12-17 17:42:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:32,092 INFO L481 AbstractCegarLoop]: Abstraction has 41876 states. [2020-12-17 17:42:32,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 41876 states. [2020-12-17 17:42:32,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:32,133 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:32,133 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:32,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2020-12-17 17:42:32,134 INFO L429 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:32,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:32,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1255039609, now seen corresponding path program 12 times [2020-12-17 17:42:32,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:32,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869703657] [2020-12-17 17:42:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:34,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869703657] [2020-12-17 17:42:34,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:34,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:34,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134124117] [2020-12-17 17:42:34,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:34,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:34,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:34,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:34,051 INFO L87 Difference]: Start difference. First operand 41876 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:34,970 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:35,375 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:35,794 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:36,044 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:36,476 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:36,735 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:42:36,980 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-17 17:42:37,129 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:37,317 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-17 17:42:37,545 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:37,998 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-17 17:42:38,487 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-12-17 17:42:38,696 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:38,858 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:42:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:40,098 INFO L93 Difference]: Finished difference Result 41943 states and 97377 transitions. [2020-12-17 17:42:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-17 17:42:40,099 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:40,138 INFO L225 Difference]: With dead ends: 41943 [2020-12-17 17:42:40,138 INFO L226 Difference]: Without dead ends: 41843 [2020-12-17 17:42:40,138 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=482, Invalid=2380, Unknown=0, NotChecked=0, Total=2862 [2020-12-17 17:42:40,138 INFO L78 Accepts]: Start accepts. Automaton has 41843 states. Word has length 115 [2020-12-17 17:42:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:40,139 INFO L481 AbstractCegarLoop]: Abstraction has 41843 states. [2020-12-17 17:42:40,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 41843 states. [2020-12-17 17:42:40,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:40,177 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:40,177 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:40,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-12-17 17:42:40,177 INFO L429 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:40,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:40,177 INFO L82 PathProgramCache]: Analyzing trace with hash 918618863, now seen corresponding path program 13 times [2020-12-17 17:42:40,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:40,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004103954] [2020-12-17 17:42:40,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:42,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004103954] [2020-12-17 17:42:42,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:42,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:42,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66327092] [2020-12-17 17:42:42,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:42,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:42,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:42,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:42,051 INFO L87 Difference]: Start difference. First operand 41843 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:43,123 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:43,369 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:43,798 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:44,060 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:44,510 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:44,773 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:42:45,019 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-17 17:42:45,166 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:45,358 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-17 17:42:45,594 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:46,254 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2020-12-17 17:42:46,489 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-12-17 17:42:46,845 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2020-12-17 17:42:47,073 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:42:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:48,204 INFO L93 Difference]: Finished difference Result 41835 states and 97168 transitions. [2020-12-17 17:42:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:42:48,205 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:48,245 INFO L225 Difference]: With dead ends: 41835 [2020-12-17 17:42:48,245 INFO L226 Difference]: Without dead ends: 41513 [2020-12-17 17:42:48,246 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=468, Invalid=2288, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:42:48,246 INFO L78 Accepts]: Start accepts. Automaton has 41513 states. Word has length 115 [2020-12-17 17:42:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:48,246 INFO L481 AbstractCegarLoop]: Abstraction has 41513 states. [2020-12-17 17:42:48,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41513 states. [2020-12-17 17:42:48,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:48,287 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:48,287 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:48,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-12-17 17:42:48,287 INFO L429 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:48,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:48,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1326348895, now seen corresponding path program 14 times [2020-12-17 17:42:48,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:48,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408128214] [2020-12-17 17:42:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:50,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408128214] [2020-12-17 17:42:50,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:50,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:50,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752463633] [2020-12-17 17:42:50,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:50,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:50,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:50,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:50,228 INFO L87 Difference]: Start difference. First operand 41513 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:51,137 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:51,379 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:42:51,807 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:42:52,062 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:42:52,526 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:42:52,773 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:42:53,159 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:42:53,658 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:42:53,830 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:42:54,064 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-12-17 17:42:54,257 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-12-17 17:42:54,638 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-12-17 17:42:54,859 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:42:56,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:42:56,423 INFO L93 Difference]: Finished difference Result 42208 states and 97796 transitions. [2020-12-17 17:42:56,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-17 17:42:56,424 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:42:56,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:42:56,608 INFO L225 Difference]: With dead ends: 42208 [2020-12-17 17:42:56,608 INFO L226 Difference]: Without dead ends: 42048 [2020-12-17 17:42:56,609 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=511, Invalid=2569, Unknown=0, NotChecked=0, Total=3080 [2020-12-17 17:42:56,609 INFO L78 Accepts]: Start accepts. Automaton has 42048 states. Word has length 115 [2020-12-17 17:42:56,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:42:56,609 INFO L481 AbstractCegarLoop]: Abstraction has 42048 states. [2020-12-17 17:42:56,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 42048 states. [2020-12-17 17:42:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:42:56,641 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:42:56,641 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:42:56,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2020-12-17 17:42:56,641 INFO L429 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:42:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:42:56,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1523608363, now seen corresponding path program 15 times [2020-12-17 17:42:56,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:42:56,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304760278] [2020-12-17 17:42:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:42:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:42:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:42:58,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304760278] [2020-12-17 17:42:58,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:42:58,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:42:58,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155272415] [2020-12-17 17:42:58,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:42:58,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:42:58,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:42:58,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:42:58,510 INFO L87 Difference]: Start difference. First operand 42048 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:42:59,446 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:42:59,684 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:43:00,121 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:43:00,375 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:43:00,832 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:43:01,103 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:43:01,616 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-17 17:43:01,915 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-17 17:43:02,094 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:02,336 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-17 17:43:02,546 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-17 17:43:02,739 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:03,056 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:43:03,391 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:43:04,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:04,437 INFO L93 Difference]: Finished difference Result 42403 states and 98255 transitions. [2020-12-17 17:43:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:43:04,438 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:04,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:04,475 INFO L225 Difference]: With dead ends: 42403 [2020-12-17 17:43:04,475 INFO L226 Difference]: Without dead ends: 42306 [2020-12-17 17:43:04,476 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:43:04,476 INFO L78 Accepts]: Start accepts. Automaton has 42306 states. Word has length 115 [2020-12-17 17:43:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:04,476 INFO L481 AbstractCegarLoop]: Abstraction has 42306 states. [2020-12-17 17:43:04,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 42306 states. [2020-12-17 17:43:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:04,512 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:04,512 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:04,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2020-12-17 17:43:04,512 INFO L429 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:04,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:04,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1556536847, now seen corresponding path program 16 times [2020-12-17 17:43:04,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:04,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058018308] [2020-12-17 17:43:04,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:06,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058018308] [2020-12-17 17:43:06,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:06,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:06,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947151939] [2020-12-17 17:43:06,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:06,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:06,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:06,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:06,358 INFO L87 Difference]: Start difference. First operand 42306 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:07,258 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:07,500 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:43:07,933 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:43:08,184 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:43:08,627 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-17 17:43:08,890 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:43:09,404 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-17 17:43:09,606 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:43:09,851 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-12-17 17:43:09,994 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:43:10,170 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:10,356 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-12-17 17:43:10,888 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-12-17 17:43:11,107 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:43:12,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:12,552 INFO L93 Difference]: Finished difference Result 43119 states and 99504 transitions. [2020-12-17 17:43:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-17 17:43:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:12,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:12,609 INFO L225 Difference]: With dead ends: 43119 [2020-12-17 17:43:12,609 INFO L226 Difference]: Without dead ends: 43001 [2020-12-17 17:43:12,610 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=550, Invalid=2530, Unknown=0, NotChecked=0, Total=3080 [2020-12-17 17:43:12,610 INFO L78 Accepts]: Start accepts. Automaton has 43001 states. Word has length 115 [2020-12-17 17:43:12,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:12,610 INFO L481 AbstractCegarLoop]: Abstraction has 43001 states. [2020-12-17 17:43:12,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 43001 states. [2020-12-17 17:43:12,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:12,657 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:12,657 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:12,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-12-17 17:43:12,658 INFO L429 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:12,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:12,658 INFO L82 PathProgramCache]: Analyzing trace with hash 411521905, now seen corresponding path program 17 times [2020-12-17 17:43:12,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:12,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325254587] [2020-12-17 17:43:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:14,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325254587] [2020-12-17 17:43:14,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:14,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:14,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589866121] [2020-12-17 17:43:14,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:14,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:14,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:14,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:14,467 INFO L87 Difference]: Start difference. First operand 43001 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:15,386 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:15,635 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:43:16,079 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:43:16,335 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:43:17,022 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-17 17:43:17,352 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2020-12-17 17:43:17,943 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-12-17 17:43:18,205 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:43:18,438 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:43:18,775 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-17 17:43:18,947 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:43:19,143 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:43:19,365 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:43:19,554 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:43:19,739 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-17 17:43:20,445 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:43:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:21,388 INFO L93 Difference]: Finished difference Result 43113 states and 99430 transitions. [2020-12-17 17:43:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-17 17:43:21,389 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:21,427 INFO L225 Difference]: With dead ends: 43113 [2020-12-17 17:43:21,427 INFO L226 Difference]: Without dead ends: 42814 [2020-12-17 17:43:21,428 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=609, Invalid=2697, Unknown=0, NotChecked=0, Total=3306 [2020-12-17 17:43:21,428 INFO L78 Accepts]: Start accepts. Automaton has 42814 states. Word has length 115 [2020-12-17 17:43:21,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:21,428 INFO L481 AbstractCegarLoop]: Abstraction has 42814 states. [2020-12-17 17:43:21,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42814 states. [2020-12-17 17:43:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:21,468 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:21,468 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:21,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-12-17 17:43:21,468 INFO L429 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:21,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:21,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1506988109, now seen corresponding path program 18 times [2020-12-17 17:43:21,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:21,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444500702] [2020-12-17 17:43:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:23,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444500702] [2020-12-17 17:43:23,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:23,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:23,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190666397] [2020-12-17 17:43:23,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:23,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:23,369 INFO L87 Difference]: Start difference. First operand 42814 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:24,272 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:24,515 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:43:25,123 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:43:25,370 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:43:26,042 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-17 17:43:26,386 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-12-17 17:43:26,704 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-12-17 17:43:26,883 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:27,116 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-17 17:43:27,330 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-17 17:43:27,514 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:27,817 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:43:28,024 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:43:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:29,065 INFO L93 Difference]: Finished difference Result 42842 states and 98857 transitions. [2020-12-17 17:43:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:43:29,066 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:29,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:29,106 INFO L225 Difference]: With dead ends: 42842 [2020-12-17 17:43:29,106 INFO L226 Difference]: Without dead ends: 42745 [2020-12-17 17:43:29,106 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=472, Invalid=2180, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:43:29,106 INFO L78 Accepts]: Start accepts. Automaton has 42745 states. Word has length 115 [2020-12-17 17:43:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:29,107 INFO L481 AbstractCegarLoop]: Abstraction has 42745 states. [2020-12-17 17:43:29,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 42745 states. [2020-12-17 17:43:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:29,145 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:29,146 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:29,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-12-17 17:43:29,146 INFO L429 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:29,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:29,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1539916593, now seen corresponding path program 19 times [2020-12-17 17:43:29,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:29,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584397675] [2020-12-17 17:43:29,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:30,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584397675] [2020-12-17 17:43:30,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:30,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:30,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260788274] [2020-12-17 17:43:30,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:30,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:30,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:30,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:30,969 INFO L87 Difference]: Start difference. First operand 42745 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:31,729 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-17 17:43:32,075 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:32,328 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:43:32,780 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:43:33,048 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-17 17:43:33,783 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-17 17:43:34,152 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-12-17 17:43:34,409 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:43:34,684 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-12-17 17:43:34,845 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:35,083 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-12-17 17:43:35,305 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:35,734 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-17 17:43:35,971 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:43:36,641 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:43:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:37,594 INFO L93 Difference]: Finished difference Result 42959 states and 98960 transitions. [2020-12-17 17:43:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-17 17:43:37,595 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:37,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:37,635 INFO L225 Difference]: With dead ends: 42959 [2020-12-17 17:43:37,635 INFO L226 Difference]: Without dead ends: 42813 [2020-12-17 17:43:37,636 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=544, Invalid=2536, Unknown=0, NotChecked=0, Total=3080 [2020-12-17 17:43:37,636 INFO L78 Accepts]: Start accepts. Automaton has 42813 states. Word has length 115 [2020-12-17 17:43:37,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:37,636 INFO L481 AbstractCegarLoop]: Abstraction has 42813 states. [2020-12-17 17:43:37,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42813 states. [2020-12-17 17:43:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:37,676 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:37,677 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:37,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-12-17 17:43:37,677 INFO L429 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:37,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:37,677 INFO L82 PathProgramCache]: Analyzing trace with hash -176054879, now seen corresponding path program 20 times [2020-12-17 17:43:37,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:37,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111462138] [2020-12-17 17:43:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:38,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111462138] [2020-12-17 17:43:38,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:38,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:43:38,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658166243] [2020-12-17 17:43:38,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:43:38,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:38,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:43:38,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:43:38,133 INFO L87 Difference]: Start difference. First operand 42813 states. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:39,182 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-17 17:43:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:39,708 INFO L93 Difference]: Finished difference Result 37905 states and 87407 transitions. [2020-12-17 17:43:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 17:43:39,709 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:39,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:39,762 INFO L225 Difference]: With dead ends: 37905 [2020-12-17 17:43:39,762 INFO L226 Difference]: Without dead ends: 37843 [2020-12-17 17:43:39,762 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-12-17 17:43:39,762 INFO L78 Accepts]: Start accepts. Automaton has 37843 states. Word has length 115 [2020-12-17 17:43:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:39,763 INFO L481 AbstractCegarLoop]: Abstraction has 37843 states. [2020-12-17 17:43:39,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 37843 states. [2020-12-17 17:43:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:39,810 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:39,811 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:39,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-12-17 17:43:39,811 INFO L429 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:39,811 INFO L82 PathProgramCache]: Analyzing trace with hash -148484413, now seen corresponding path program 21 times [2020-12-17 17:43:39,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:39,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648952507] [2020-12-17 17:43:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:41,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648952507] [2020-12-17 17:43:41,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:41,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:41,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993602902] [2020-12-17 17:43:41,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:41,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:41,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:41,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:41,740 INFO L87 Difference]: Start difference. First operand 37843 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:42,657 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:42,895 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:43:43,352 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:43:43,615 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-17 17:43:43,922 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:43:44,458 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-17 17:43:44,674 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:43:45,610 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:43:45,816 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:43:46,076 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:43:46,302 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:43:47,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:47,378 INFO L93 Difference]: Finished difference Result 37984 states and 87558 transitions. [2020-12-17 17:43:47,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:43:47,379 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:47,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:47,414 INFO L225 Difference]: With dead ends: 37984 [2020-12-17 17:43:47,414 INFO L226 Difference]: Without dead ends: 37854 [2020-12-17 17:43:47,414 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=441, Invalid=2109, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:43:47,414 INFO L78 Accepts]: Start accepts. Automaton has 37854 states. Word has length 115 [2020-12-17 17:43:47,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:47,415 INFO L481 AbstractCegarLoop]: Abstraction has 37854 states. [2020-12-17 17:43:47,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 37854 states. [2020-12-17 17:43:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:47,449 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:47,449 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:47,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-12-17 17:43:47,449 INFO L429 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:47,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:47,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1601615549, now seen corresponding path program 22 times [2020-12-17 17:43:47,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:47,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725421846] [2020-12-17 17:43:47,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:49,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725421846] [2020-12-17 17:43:49,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:49,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:49,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284277379] [2020-12-17 17:43:49,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:49,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:49,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:49,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:49,402 INFO L87 Difference]: Start difference. First operand 37854 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:50,351 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:50,601 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:43:51,047 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:43:51,315 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-17 17:43:51,633 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:43:52,166 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-17 17:43:52,534 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:43:52,709 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:43:53,080 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:43:53,271 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:43:53,815 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:43:54,187 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:43:55,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:43:55,052 INFO L93 Difference]: Finished difference Result 38099 states and 87705 transitions. [2020-12-17 17:43:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:43:55,053 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:43:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:43:55,099 INFO L225 Difference]: With dead ends: 38099 [2020-12-17 17:43:55,100 INFO L226 Difference]: Without dead ends: 37863 [2020-12-17 17:43:55,100 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=468, Invalid=2184, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:43:55,100 INFO L78 Accepts]: Start accepts. Automaton has 37863 states. Word has length 115 [2020-12-17 17:43:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:43:55,100 INFO L481 AbstractCegarLoop]: Abstraction has 37863 states. [2020-12-17 17:43:55,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37863 states. [2020-12-17 17:43:55,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:43:55,142 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:43:55,142 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:43:55,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-12-17 17:43:55,142 INFO L429 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:43:55,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:43:55,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1754253379, now seen corresponding path program 23 times [2020-12-17 17:43:55,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:43:55,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144296480] [2020-12-17 17:43:55,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:43:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:43:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:43:57,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144296480] [2020-12-17 17:43:57,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:43:57,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:43:57,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137304850] [2020-12-17 17:43:57,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:43:57,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:43:57,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:43:57,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:43:57,114 INFO L87 Difference]: Start difference. First operand 37863 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:43:58,045 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:43:58,286 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:43:58,738 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:43:59,001 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-17 17:43:59,317 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:43:59,989 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-17 17:44:00,222 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:00,400 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:00,789 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:44:01,224 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:01,440 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:44:01,621 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:02,088 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:44:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:02,970 INFO L93 Difference]: Finished difference Result 37955 states and 87298 transitions. [2020-12-17 17:44:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:44:02,971 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:03,006 INFO L225 Difference]: With dead ends: 37955 [2020-12-17 17:44:03,006 INFO L226 Difference]: Without dead ends: 37665 [2020-12-17 17:44:03,007 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=476, Invalid=2280, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:44:03,007 INFO L78 Accepts]: Start accepts. Automaton has 37665 states. Word has length 115 [2020-12-17 17:44:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:03,007 INFO L481 AbstractCegarLoop]: Abstraction has 37665 states. [2020-12-17 17:44:03,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 37665 states. [2020-12-17 17:44:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:03,042 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:03,042 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:03,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-12-17 17:44:03,042 INFO L429 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:03,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:03,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1994486459, now seen corresponding path program 24 times [2020-12-17 17:44:03,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:03,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924224792] [2020-12-17 17:44:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:04,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924224792] [2020-12-17 17:44:04,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:04,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:44:04,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348851036] [2020-12-17 17:44:04,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:44:04,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:04,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:44:04,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:44:04,963 INFO L87 Difference]: Start difference. First operand 37665 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:05,877 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:44:06,118 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:44:06,736 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:44:06,994 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-17 17:44:07,305 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:44:07,830 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-17 17:44:08,395 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-12-17 17:44:08,613 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:44:08,768 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:44:08,959 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:44:09,208 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:44:09,432 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:44:10,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:10,488 INFO L93 Difference]: Finished difference Result 37826 states and 86965 transitions. [2020-12-17 17:44:10,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:44:10,490 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:10,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:10,525 INFO L225 Difference]: With dead ends: 37826 [2020-12-17 17:44:10,525 INFO L226 Difference]: Without dead ends: 37654 [2020-12-17 17:44:10,525 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=455, Invalid=2095, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:44:10,525 INFO L78 Accepts]: Start accepts. Automaton has 37654 states. Word has length 115 [2020-12-17 17:44:10,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:10,526 INFO L481 AbstractCegarLoop]: Abstraction has 37654 states. [2020-12-17 17:44:10,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 37654 states. [2020-12-17 17:44:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:10,561 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:10,561 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:10,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-12-17 17:44:10,561 INFO L429 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:10,562 INFO L82 PathProgramCache]: Analyzing trace with hash 2091797413, now seen corresponding path program 25 times [2020-12-17 17:44:10,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:10,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641702960] [2020-12-17 17:44:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:12,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641702960] [2020-12-17 17:44:12,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:12,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:44:12,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845373121] [2020-12-17 17:44:12,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:44:12,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:12,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:44:12,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:44:12,476 INFO L87 Difference]: Start difference. First operand 37654 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:13,585 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:44:13,833 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:44:14,291 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:44:14,557 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-17 17:44:14,877 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:44:15,627 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-17 17:44:16,015 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-12-17 17:44:16,235 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:44:16,434 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:44:16,687 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:44:16,907 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:44:17,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:17,966 INFO L93 Difference]: Finished difference Result 37646 states and 86644 transitions. [2020-12-17 17:44:17,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:44:17,967 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:17,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:18,002 INFO L225 Difference]: With dead ends: 37646 [2020-12-17 17:44:18,002 INFO L226 Difference]: Without dead ends: 37270 [2020-12-17 17:44:18,002 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:44:18,002 INFO L78 Accepts]: Start accepts. Automaton has 37270 states. Word has length 115 [2020-12-17 17:44:18,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:18,002 INFO L481 AbstractCegarLoop]: Abstraction has 37270 states. [2020-12-17 17:44:18,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 37270 states. [2020-12-17 17:44:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:18,037 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:18,037 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:18,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-12-17 17:44:18,037 INFO L429 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:18,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:18,038 INFO L82 PathProgramCache]: Analyzing trace with hash 78127259, now seen corresponding path program 26 times [2020-12-17 17:44:18,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:18,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789893515] [2020-12-17 17:44:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:19,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789893515] [2020-12-17 17:44:19,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:19,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:44:19,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28771984] [2020-12-17 17:44:19,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:44:19,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:19,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:44:19,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:44:19,871 INFO L87 Difference]: Start difference. First operand 37270 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:20,803 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-17 17:44:21,071 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2020-12-17 17:44:21,557 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-12-17 17:44:21,831 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-12-17 17:44:22,575 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-12-17 17:44:22,908 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-12-17 17:44:23,343 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2020-12-17 17:44:23,594 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:44:23,798 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:44:24,081 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:44:24,327 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:44:25,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:25,429 INFO L93 Difference]: Finished difference Result 37266 states and 85955 transitions. [2020-12-17 17:44:25,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:44:25,430 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:25,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:25,464 INFO L225 Difference]: With dead ends: 37266 [2020-12-17 17:44:25,464 INFO L226 Difference]: Without dead ends: 37084 [2020-12-17 17:44:25,464 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-12-17 17:44:25,464 INFO L78 Accepts]: Start accepts. Automaton has 37084 states. Word has length 115 [2020-12-17 17:44:25,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:25,465 INFO L481 AbstractCegarLoop]: Abstraction has 37084 states. [2020-12-17 17:44:25,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 37084 states. [2020-12-17 17:44:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:25,499 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:25,499 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:25,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-12-17 17:44:25,499 INFO L429 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:25,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:25,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1868367311, now seen corresponding path program 27 times [2020-12-17 17:44:25,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:25,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118298005] [2020-12-17 17:44:25,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:25,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118298005] [2020-12-17 17:44:25,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:25,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:44:25,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771855212] [2020-12-17 17:44:25,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:44:25,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:25,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:44:25,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:44:25,962 INFO L87 Difference]: Start difference. First operand 37084 states. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:27,150 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-17 17:44:27,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:27,556 INFO L93 Difference]: Finished difference Result 33177 states and 76048 transitions. [2020-12-17 17:44:27,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 17:44:27,557 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:27,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:27,588 INFO L225 Difference]: With dead ends: 33177 [2020-12-17 17:44:27,588 INFO L226 Difference]: Without dead ends: 33177 [2020-12-17 17:44:27,588 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2020-12-17 17:44:27,588 INFO L78 Accepts]: Start accepts. Automaton has 33177 states. Word has length 115 [2020-12-17 17:44:27,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:27,589 INFO L481 AbstractCegarLoop]: Abstraction has 33177 states. [2020-12-17 17:44:27,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 33177 states. [2020-12-17 17:44:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:27,620 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:27,620 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:27,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-12-17 17:44:27,620 INFO L429 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:27,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1567498123, now seen corresponding path program 28 times [2020-12-17 17:44:27,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:27,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969025370] [2020-12-17 17:44:27,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:29,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969025370] [2020-12-17 17:44:29,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:29,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:44:29,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326485911] [2020-12-17 17:44:29,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:44:29,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:29,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:44:29,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:44:29,418 INFO L87 Difference]: Start difference. First operand 33177 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:30,359 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:44:30,609 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:44:31,059 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:44:31,327 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:44:31,635 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:44:32,221 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:44:32,492 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:32,694 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:33,103 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:44:33,306 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:33,830 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:44:34,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:34,995 INFO L93 Difference]: Finished difference Result 33238 states and 76148 transitions. [2020-12-17 17:44:34,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:44:34,996 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:34,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:35,022 INFO L225 Difference]: With dead ends: 33238 [2020-12-17 17:44:35,023 INFO L226 Difference]: Without dead ends: 33012 [2020-12-17 17:44:35,023 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=460, Invalid=2090, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:44:35,023 INFO L78 Accepts]: Start accepts. Automaton has 33012 states. Word has length 115 [2020-12-17 17:44:35,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:35,023 INFO L481 AbstractCegarLoop]: Abstraction has 33012 states. [2020-12-17 17:44:35,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 33012 states. [2020-12-17 17:44:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:35,052 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:35,052 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:35,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-12-17 17:44:35,052 INFO L429 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:35,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:35,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1515668605, now seen corresponding path program 29 times [2020-12-17 17:44:35,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:35,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562336413] [2020-12-17 17:44:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:36,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562336413] [2020-12-17 17:44:36,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:36,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:44:36,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182595679] [2020-12-17 17:44:36,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:44:36,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:36,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:44:36,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:44:36,959 INFO L87 Difference]: Start difference. First operand 33012 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:37,898 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:44:38,151 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:44:38,607 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:44:38,877 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:44:39,187 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:44:39,774 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:44:40,050 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:40,257 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:40,659 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:44:41,252 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:41,465 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:44:41,624 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:42,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:42,749 INFO L93 Difference]: Finished difference Result 33079 states and 75721 transitions. [2020-12-17 17:44:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:44:42,750 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:42,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:42,778 INFO L225 Difference]: With dead ends: 33079 [2020-12-17 17:44:42,778 INFO L226 Difference]: Without dead ends: 32979 [2020-12-17 17:44:42,779 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=465, Invalid=2187, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:44:42,779 INFO L78 Accepts]: Start accepts. Automaton has 32979 states. Word has length 115 [2020-12-17 17:44:42,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:42,779 INFO L481 AbstractCegarLoop]: Abstraction has 32979 states. [2020-12-17 17:44:42,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32979 states. [2020-12-17 17:44:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:42,808 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:42,808 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:42,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2020-12-17 17:44:42,808 INFO L429 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:42,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:42,809 INFO L82 PathProgramCache]: Analyzing trace with hash 657989867, now seen corresponding path program 30 times [2020-12-17 17:44:42,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:42,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17893512] [2020-12-17 17:44:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:44,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17893512] [2020-12-17 17:44:44,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:44,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:44:44,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264656776] [2020-12-17 17:44:44,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:44:44,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:44,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:44:44,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:44:44,659 INFO L87 Difference]: Start difference. First operand 32979 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:45,631 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:44:45,900 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:44:46,377 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:44:46,657 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:44:46,979 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:44:47,595 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:44:47,875 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:48,084 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:44:48,665 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-12-17 17:44:48,981 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-17 17:44:49,301 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-17 17:44:49,534 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:44:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:50,550 INFO L93 Difference]: Finished difference Result 33036 states and 75616 transitions. [2020-12-17 17:44:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:44:50,552 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:50,582 INFO L225 Difference]: With dead ends: 33036 [2020-12-17 17:44:50,582 INFO L226 Difference]: Without dead ends: 32714 [2020-12-17 17:44:50,582 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=443, Invalid=2107, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:44:50,582 INFO L78 Accepts]: Start accepts. Automaton has 32714 states. Word has length 115 [2020-12-17 17:44:50,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:50,583 INFO L481 AbstractCegarLoop]: Abstraction has 32714 states. [2020-12-17 17:44:50,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32714 states. [2020-12-17 17:44:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:50,613 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:50,613 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:50,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2020-12-17 17:44:50,613 INFO L429 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:50,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:50,613 INFO L82 PathProgramCache]: Analyzing trace with hash 475617425, now seen corresponding path program 31 times [2020-12-17 17:44:50,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:50,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763333051] [2020-12-17 17:44:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:44:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:44:52,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763333051] [2020-12-17 17:44:52,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:44:52,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:44:52,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989831280] [2020-12-17 17:44:52,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:44:52,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:44:52,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:44:52,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:44:52,436 INFO L87 Difference]: Start difference. First operand 32714 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:53,424 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:44:53,688 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:44:54,161 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:44:54,439 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:44:54,763 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:44:55,376 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:44:56,040 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-12-17 17:44:56,283 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:44:56,447 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:44:56,654 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:44:56,959 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:44:57,322 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:44:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:44:58,299 INFO L93 Difference]: Finished difference Result 32775 states and 75045 transitions. [2020-12-17 17:44:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:44:58,300 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:44:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:44:58,339 INFO L225 Difference]: With dead ends: 32775 [2020-12-17 17:44:58,339 INFO L226 Difference]: Without dead ends: 32667 [2020-12-17 17:44:58,339 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=455, Invalid=2095, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:44:58,339 INFO L78 Accepts]: Start accepts. Automaton has 32667 states. Word has length 115 [2020-12-17 17:44:58,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:44:58,340 INFO L481 AbstractCegarLoop]: Abstraction has 32667 states. [2020-12-17 17:44:58,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:44:58,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32667 states. [2020-12-17 17:44:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:44:58,382 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:44:58,382 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:44:58,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2020-12-17 17:44:58,383 INFO L429 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:44:58,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:44:58,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1307437555, now seen corresponding path program 32 times [2020-12-17 17:44:58,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:44:58,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205311408] [2020-12-17 17:44:58,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:44:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:00,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205311408] [2020-12-17 17:45:00,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:00,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:00,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526587500] [2020-12-17 17:45:00,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:00,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:00,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:00,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:00,219 INFO L87 Difference]: Start difference. First operand 32667 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:01,087 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:01,330 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:45:01,761 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:45:01,986 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:45:02,247 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:45:03,033 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2020-12-17 17:45:03,393 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-17 17:45:03,624 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:45:03,829 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:45:04,093 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:45:04,284 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:45:04,597 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:45:05,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:05,335 INFO L93 Difference]: Finished difference Result 32663 states and 74845 transitions. [2020-12-17 17:45:05,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:45:05,336 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:05,369 INFO L225 Difference]: With dead ends: 32663 [2020-12-17 17:45:05,369 INFO L226 Difference]: Without dead ends: 32527 [2020-12-17 17:45:05,369 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:45:05,369 INFO L78 Accepts]: Start accepts. Automaton has 32527 states. Word has length 115 [2020-12-17 17:45:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:05,370 INFO L481 AbstractCegarLoop]: Abstraction has 32527 states. [2020-12-17 17:45:05,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32527 states. [2020-12-17 17:45:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:05,406 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:05,406 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:05,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2020-12-17 17:45:05,407 INFO L429 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:05,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:05,407 INFO L82 PathProgramCache]: Analyzing trace with hash -215304097, now seen corresponding path program 33 times [2020-12-17 17:45:05,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:05,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348137962] [2020-12-17 17:45:05,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:07,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348137962] [2020-12-17 17:45:07,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:07,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:07,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941720851] [2020-12-17 17:45:07,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:07,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:07,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:07,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:07,434 INFO L87 Difference]: Start difference. First operand 32527 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:08,414 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:08,669 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:09,154 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:09,432 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:09,756 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-17 17:45:10,348 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:45:10,592 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:45:10,760 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:45:11,357 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:45:11,567 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:45:11,837 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:45:12,074 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:45:13,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:13,319 INFO L93 Difference]: Finished difference Result 33112 states and 75898 transitions. [2020-12-17 17:45:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:45:13,320 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:13,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:13,349 INFO L225 Difference]: With dead ends: 33112 [2020-12-17 17:45:13,349 INFO L226 Difference]: Without dead ends: 32982 [2020-12-17 17:45:13,349 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=441, Invalid=2109, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:45:13,350 INFO L78 Accepts]: Start accepts. Automaton has 32982 states. Word has length 115 [2020-12-17 17:45:13,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:13,350 INFO L481 AbstractCegarLoop]: Abstraction has 32982 states. [2020-12-17 17:45:13,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32982 states. [2020-12-17 17:45:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:13,378 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:13,378 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:13,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2020-12-17 17:45:13,379 INFO L429 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:13,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:13,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1668435233, now seen corresponding path program 34 times [2020-12-17 17:45:13,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:13,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138451167] [2020-12-17 17:45:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:15,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138451167] [2020-12-17 17:45:15,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:15,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:15,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732316811] [2020-12-17 17:45:15,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:15,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:15,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:15,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:15,404 INFO L87 Difference]: Start difference. First operand 32982 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:16,362 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:16,615 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:17,094 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:17,368 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:17,690 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-17 17:45:18,265 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:45:18,519 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:45:18,699 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:45:19,099 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:45:19,316 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:45:19,920 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:45:21,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:21,261 INFO L93 Difference]: Finished difference Result 33631 states and 76937 transitions. [2020-12-17 17:45:21,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:45:21,262 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:21,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:21,300 INFO L225 Difference]: With dead ends: 33631 [2020-12-17 17:45:21,301 INFO L226 Difference]: Without dead ends: 33395 [2020-12-17 17:45:21,301 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=468, Invalid=2184, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:45:21,301 INFO L78 Accepts]: Start accepts. Automaton has 33395 states. Word has length 115 [2020-12-17 17:45:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:21,302 INFO L481 AbstractCegarLoop]: Abstraction has 33395 states. [2020-12-17 17:45:21,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 33395 states. [2020-12-17 17:45:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:21,345 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:21,345 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:21,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2020-12-17 17:45:21,345 INFO L429 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:21,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:21,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1687433695, now seen corresponding path program 35 times [2020-12-17 17:45:21,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:21,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753614029] [2020-12-17 17:45:21,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:23,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753614029] [2020-12-17 17:45:23,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:23,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:23,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293663947] [2020-12-17 17:45:23,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:23,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:23,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:23,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:23,320 INFO L87 Difference]: Start difference. First operand 33395 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:24,268 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:24,509 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:24,938 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:25,171 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:25,444 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-17 17:45:25,997 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:45:26,233 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:45:26,761 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:45:27,447 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:45:27,650 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:45:28,256 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:45:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:29,191 INFO L93 Difference]: Finished difference Result 33487 states and 76530 transitions. [2020-12-17 17:45:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:45:29,192 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:29,220 INFO L225 Difference]: With dead ends: 33487 [2020-12-17 17:45:29,220 INFO L226 Difference]: Without dead ends: 33197 [2020-12-17 17:45:29,220 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=476, Invalid=2280, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:45:29,220 INFO L78 Accepts]: Start accepts. Automaton has 33197 states. Word has length 115 [2020-12-17 17:45:29,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:29,221 INFO L481 AbstractCegarLoop]: Abstraction has 33197 states. [2020-12-17 17:45:29,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 33197 states. [2020-12-17 17:45:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:29,249 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:29,249 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:29,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2020-12-17 17:45:29,249 INFO L429 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:29,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:29,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1927666775, now seen corresponding path program 36 times [2020-12-17 17:45:29,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:29,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562811057] [2020-12-17 17:45:29,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:31,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562811057] [2020-12-17 17:45:31,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:31,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:31,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514873314] [2020-12-17 17:45:31,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:31,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:31,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:31,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:31,186 INFO L87 Difference]: Start difference. First operand 33197 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:32,152 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:32,411 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:32,881 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:33,152 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:33,473 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-17 17:45:34,055 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:45:34,701 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-12-17 17:45:34,927 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:45:35,233 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:45:35,431 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:45:35,701 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:45:35,946 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:45:37,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:37,060 INFO L93 Difference]: Finished difference Result 33358 states and 76197 transitions. [2020-12-17 17:45:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:45:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:37,091 INFO L225 Difference]: With dead ends: 33358 [2020-12-17 17:45:37,092 INFO L226 Difference]: Without dead ends: 33186 [2020-12-17 17:45:37,092 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=455, Invalid=2095, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:45:37,092 INFO L78 Accepts]: Start accepts. Automaton has 33186 states. Word has length 115 [2020-12-17 17:45:37,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:37,092 INFO L481 AbstractCegarLoop]: Abstraction has 33186 states. [2020-12-17 17:45:37,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 33186 states. [2020-12-17 17:45:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:37,123 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:37,123 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:37,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2020-12-17 17:45:37,123 INFO L429 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:37,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:37,124 INFO L82 PathProgramCache]: Analyzing trace with hash 2024977729, now seen corresponding path program 37 times [2020-12-17 17:45:37,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:37,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409582177] [2020-12-17 17:45:37,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:39,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409582177] [2020-12-17 17:45:39,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:39,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:39,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700944846] [2020-12-17 17:45:39,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:39,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:39,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:39,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:39,095 INFO L87 Difference]: Start difference. First operand 33186 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:40,050 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:40,307 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:40,773 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:41,044 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:41,360 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-17 17:45:42,157 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2020-12-17 17:45:42,579 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-12-17 17:45:42,805 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:45:43,172 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:45:43,438 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:45:43,663 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:45:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:44,720 INFO L93 Difference]: Finished difference Result 33238 states and 75962 transitions. [2020-12-17 17:45:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:45:44,721 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:44,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:44,765 INFO L225 Difference]: With dead ends: 33238 [2020-12-17 17:45:44,765 INFO L226 Difference]: Without dead ends: 32862 [2020-12-17 17:45:44,766 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:45:44,766 INFO L78 Accepts]: Start accepts. Automaton has 32862 states. Word has length 115 [2020-12-17 17:45:44,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:44,766 INFO L481 AbstractCegarLoop]: Abstraction has 32862 states. [2020-12-17 17:45:44,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32862 states. [2020-12-17 17:45:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:44,811 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:44,812 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:44,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2020-12-17 17:45:44,813 INFO L429 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:44,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1483074931, now seen corresponding path program 38 times [2020-12-17 17:45:44,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:44,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658592720] [2020-12-17 17:45:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:46,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658592720] [2020-12-17 17:45:46,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:46,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:46,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676110673] [2020-12-17 17:45:46,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:46,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:46,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:46,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:46,871 INFO L87 Difference]: Start difference. First operand 32862 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:47,842 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:48,067 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:48,479 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:48,711 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:49,141 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:45:49,452 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:45:49,815 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-17 17:45:49,973 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:45:50,908 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-17 17:45:51,318 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:45:51,558 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:45:52,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:45:52,680 INFO L93 Difference]: Finished difference Result 33424 states and 76508 transitions. [2020-12-17 17:45:52,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:45:52,681 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:45:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:45:52,711 INFO L225 Difference]: With dead ends: 33424 [2020-12-17 17:45:52,711 INFO L226 Difference]: Without dead ends: 33294 [2020-12-17 17:45:52,712 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=478, Invalid=2278, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:45:52,712 INFO L78 Accepts]: Start accepts. Automaton has 33294 states. Word has length 115 [2020-12-17 17:45:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:45:52,712 INFO L481 AbstractCegarLoop]: Abstraction has 33294 states. [2020-12-17 17:45:52,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 33294 states. [2020-12-17 17:45:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:45:52,744 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:45:52,744 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:45:52,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2020-12-17 17:45:52,744 INFO L429 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:45:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:45:52,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1358761229, now seen corresponding path program 39 times [2020-12-17 17:45:52,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:45:52,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814829347] [2020-12-17 17:45:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:45:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:45:54,040 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-17 17:45:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:45:54,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814829347] [2020-12-17 17:45:54,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:45:54,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:45:54,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182073949] [2020-12-17 17:45:54,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:45:54,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:45:54,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:45:54,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:45:54,927 INFO L87 Difference]: Start difference. First operand 33294 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:45:55,882 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:45:56,136 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:45:56,596 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:45:56,866 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:45:57,321 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:45:57,678 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:45:57,858 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:45:58,110 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-17 17:45:58,305 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:45:58,484 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:45:58,852 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:45:59,058 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:45:59,626 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:46:00,003 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:46:00,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:00,920 INFO L93 Difference]: Finished difference Result 33914 states and 77500 transitions. [2020-12-17 17:46:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-17 17:46:00,921 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:00,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:00,953 INFO L225 Difference]: With dead ends: 33914 [2020-12-17 17:46:00,953 INFO L226 Difference]: Without dead ends: 33678 [2020-12-17 17:46:00,954 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=502, Invalid=2360, Unknown=0, NotChecked=0, Total=2862 [2020-12-17 17:46:00,954 INFO L78 Accepts]: Start accepts. Automaton has 33678 states. Word has length 115 [2020-12-17 17:46:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:00,954 INFO L481 AbstractCegarLoop]: Abstraction has 33678 states. [2020-12-17 17:46:00,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33678 states. [2020-12-17 17:46:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:00,985 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:00,986 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:00,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2020-12-17 17:46:00,986 INFO L429 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:00,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:00,986 INFO L82 PathProgramCache]: Analyzing trace with hash 419662861, now seen corresponding path program 40 times [2020-12-17 17:46:00,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:00,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894327452] [2020-12-17 17:46:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:03,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894327452] [2020-12-17 17:46:03,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:03,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:03,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995808039] [2020-12-17 17:46:03,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:03,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:03,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:03,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:03,281 INFO L87 Difference]: Start difference. First operand 33678 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:04,284 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:04,530 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:04,973 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:05,225 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:05,688 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:06,024 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:46:06,196 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:46:06,545 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-17 17:46:06,722 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:46:06,887 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:46:07,266 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:46:07,737 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:46:07,956 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:46:09,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:09,333 INFO L93 Difference]: Finished difference Result 33770 states and 77093 transitions. [2020-12-17 17:46:09,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-17 17:46:09,334 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:09,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:09,372 INFO L225 Difference]: With dead ends: 33770 [2020-12-17 17:46:09,372 INFO L226 Difference]: Without dead ends: 33480 [2020-12-17 17:46:09,373 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=510, Invalid=2460, Unknown=0, NotChecked=0, Total=2970 [2020-12-17 17:46:09,373 INFO L78 Accepts]: Start accepts. Automaton has 33480 states. Word has length 115 [2020-12-17 17:46:09,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:09,373 INFO L481 AbstractCegarLoop]: Abstraction has 33480 states. [2020-12-17 17:46:09,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 33480 states. [2020-12-17 17:46:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:09,413 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:09,414 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:09,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2020-12-17 17:46:09,414 INFO L429 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:09,414 INFO L82 PathProgramCache]: Analyzing trace with hash 659895941, now seen corresponding path program 41 times [2020-12-17 17:46:09,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:09,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12800533] [2020-12-17 17:46:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:11,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12800533] [2020-12-17 17:46:11,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:11,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:11,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607986289] [2020-12-17 17:46:11,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:11,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:11,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:11,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:11,290 INFO L87 Difference]: Start difference. First operand 33480 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:12,332 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:12,593 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:13,069 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:13,351 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:13,840 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:14,208 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-17 17:46:14,398 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:46:14,622 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 17:46:15,327 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-12-17 17:46:15,596 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-17 17:46:15,804 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-17 17:46:16,011 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:46:16,291 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:46:16,540 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:46:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:17,695 INFO L93 Difference]: Finished difference Result 33536 states and 76551 transitions. [2020-12-17 17:46:17,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:46:17,696 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:17,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:17,726 INFO L225 Difference]: With dead ends: 33536 [2020-12-17 17:46:17,726 INFO L226 Difference]: Without dead ends: 33364 [2020-12-17 17:46:17,726 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:46:17,726 INFO L78 Accepts]: Start accepts. Automaton has 33364 states. Word has length 115 [2020-12-17 17:46:17,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:17,726 INFO L481 AbstractCegarLoop]: Abstraction has 33364 states. [2020-12-17 17:46:17,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 33364 states. [2020-12-17 17:46:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:17,757 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:17,757 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:17,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2020-12-17 17:46:17,757 INFO L429 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:17,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:17,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1195883139, now seen corresponding path program 42 times [2020-12-17 17:46:17,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:17,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760016985] [2020-12-17 17:46:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:19,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760016985] [2020-12-17 17:46:19,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:19,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:19,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727584610] [2020-12-17 17:46:19,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:19,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:19,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:19,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:19,758 INFO L87 Difference]: Start difference. First operand 33364 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:20,769 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:21,030 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:21,512 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:21,790 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:22,283 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:22,554 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:46:22,800 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-12-17 17:46:22,948 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:46:23,137 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 17:46:23,833 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2020-12-17 17:46:24,064 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-12-17 17:46:24,544 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-17 17:46:24,812 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:46:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:25,912 INFO L93 Difference]: Finished difference Result 33446 states and 76381 transitions. [2020-12-17 17:46:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:46:25,913 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:25,955 INFO L225 Difference]: With dead ends: 33446 [2020-12-17 17:46:25,955 INFO L226 Difference]: Without dead ends: 33316 [2020-12-17 17:46:25,956 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=451, Invalid=2201, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:46:25,956 INFO L78 Accepts]: Start accepts. Automaton has 33316 states. Word has length 115 [2020-12-17 17:46:25,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:25,956 INFO L481 AbstractCegarLoop]: Abstraction has 33316 states. [2020-12-17 17:46:25,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 33316 states. [2020-12-17 17:46:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:26,002 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:26,002 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:26,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2020-12-17 17:46:26,002 INFO L429 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:26,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:26,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1645953021, now seen corresponding path program 43 times [2020-12-17 17:46:26,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:26,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378291612] [2020-12-17 17:46:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:28,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378291612] [2020-12-17 17:46:28,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:28,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:28,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370863797] [2020-12-17 17:46:28,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:28,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:28,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:28,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:28,251 INFO L87 Difference]: Start difference. First operand 33316 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:29,236 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:29,494 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:29,907 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:30,146 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:30,592 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:30,865 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:46:31,102 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-17 17:46:31,247 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:46:31,438 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:46:31,849 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-17 17:46:32,872 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:46:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:34,180 INFO L93 Difference]: Finished difference Result 33553 states and 76514 transitions. [2020-12-17 17:46:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:46:34,181 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:34,210 INFO L225 Difference]: With dead ends: 33553 [2020-12-17 17:46:34,211 INFO L226 Difference]: Without dead ends: 33317 [2020-12-17 17:46:34,211 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=473, Invalid=2283, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:46:34,211 INFO L78 Accepts]: Start accepts. Automaton has 33317 states. Word has length 115 [2020-12-17 17:46:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:34,211 INFO L481 AbstractCegarLoop]: Abstraction has 33317 states. [2020-12-17 17:46:34,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 33317 states. [2020-12-17 17:46:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:34,241 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:34,241 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:34,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2020-12-17 17:46:34,241 INFO L429 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:34,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:34,242 INFO L82 PathProgramCache]: Analyzing trace with hash 706854653, now seen corresponding path program 44 times [2020-12-17 17:46:34,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:34,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757982055] [2020-12-17 17:46:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:36,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:36,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757982055] [2020-12-17 17:46:36,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:36,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:36,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338659136] [2020-12-17 17:46:36,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:36,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:36,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:36,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:36,371 INFO L87 Difference]: Start difference. First operand 33317 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:37,381 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:37,637 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:38,120 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:38,401 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:38,896 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:39,188 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:46:39,452 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-17 17:46:39,620 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:46:39,837 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 17:46:40,303 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-17 17:46:40,854 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-12-17 17:46:41,117 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:46:41,483 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:46:41,967 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:46:42,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:42,924 INFO L93 Difference]: Finished difference Result 33313 states and 75950 transitions. [2020-12-17 17:46:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-17 17:46:42,925 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:42,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:42,953 INFO L225 Difference]: With dead ends: 33313 [2020-12-17 17:46:42,953 INFO L226 Difference]: Without dead ends: 33023 [2020-12-17 17:46:42,953 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=483, Invalid=2379, Unknown=0, NotChecked=0, Total=2862 [2020-12-17 17:46:42,953 INFO L78 Accepts]: Start accepts. Automaton has 33023 states. Word has length 115 [2020-12-17 17:46:42,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:42,953 INFO L481 AbstractCegarLoop]: Abstraction has 33023 states. [2020-12-17 17:46:42,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33023 states. [2020-12-17 17:46:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:42,982 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:42,982 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:42,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2020-12-17 17:46:42,982 INFO L429 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:42,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:42,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1162967685, now seen corresponding path program 45 times [2020-12-17 17:46:42,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:42,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123361688] [2020-12-17 17:46:42,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:44,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123361688] [2020-12-17 17:46:44,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:44,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:44,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036880512] [2020-12-17 17:46:44,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:44,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:44,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:44,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:44,964 INFO L87 Difference]: Start difference. First operand 33023 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:45,980 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:46,234 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:46,713 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:46,995 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:47,470 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:47,737 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:46:47,906 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:46:48,403 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:46:48,684 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-17 17:46:48,839 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:46:49,061 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-12-17 17:46:49,404 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-17 17:46:49,660 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:46:50,037 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:46:50,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:50,981 INFO L93 Difference]: Finished difference Result 33197 states and 75603 transitions. [2020-12-17 17:46:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:46:50,982 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:50,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:51,022 INFO L225 Difference]: With dead ends: 33197 [2020-12-17 17:46:51,023 INFO L226 Difference]: Without dead ends: 32968 [2020-12-17 17:46:51,023 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=451, Invalid=2201, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:46:51,023 INFO L78 Accepts]: Start accepts. Automaton has 32968 states. Word has length 115 [2020-12-17 17:46:51,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:51,023 INFO L481 AbstractCegarLoop]: Abstraction has 32968 states. [2020-12-17 17:46:51,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:51,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32968 states. [2020-12-17 17:46:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:51,065 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:51,065 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:51,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2020-12-17 17:46:51,065 INFO L429 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:51,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:51,065 INFO L82 PathProgramCache]: Analyzing trace with hash 769827453, now seen corresponding path program 46 times [2020-12-17 17:46:51,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:51,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549926615] [2020-12-17 17:46:51,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:46:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:46:53,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549926615] [2020-12-17 17:46:53,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:46:53,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:46:53,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100008131] [2020-12-17 17:46:53,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:46:53,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:46:53,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:46:53,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:46:53,084 INFO L87 Difference]: Start difference. First operand 32968 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:54,118 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:46:54,378 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:46:54,840 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:46:55,107 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:46:55,576 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:46:56,113 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-17 17:46:56,422 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-12-17 17:46:56,595 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:46:56,967 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-17 17:46:57,156 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-17 17:46:57,586 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:46:59,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:46:59,037 INFO L93 Difference]: Finished difference Result 33135 states and 75476 transitions. [2020-12-17 17:46:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:46:59,039 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:46:59,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:46:59,068 INFO L225 Difference]: With dead ends: 33135 [2020-12-17 17:46:59,068 INFO L226 Difference]: Without dead ends: 32974 [2020-12-17 17:46:59,068 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:46:59,069 INFO L78 Accepts]: Start accepts. Automaton has 32974 states. Word has length 115 [2020-12-17 17:46:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:46:59,069 INFO L481 AbstractCegarLoop]: Abstraction has 32974 states. [2020-12-17 17:46:59,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:46:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32974 states. [2020-12-17 17:46:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:46:59,097 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:46:59,097 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:46:59,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2020-12-17 17:46:59,097 INFO L429 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:46:59,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:46:59,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1124412019, now seen corresponding path program 47 times [2020-12-17 17:46:59,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:46:59,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947344077] [2020-12-17 17:46:59,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:46:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:01,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947344077] [2020-12-17 17:47:01,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:01,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:47:01,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413072667] [2020-12-17 17:47:01,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:47:01,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:01,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:47:01,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:47:01,145 INFO L87 Difference]: Start difference. First operand 32974 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:02,154 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:47:02,432 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:47:02,918 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:47:03,205 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:47:03,685 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-17 17:47:04,265 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-17 17:47:04,508 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:47:04,697 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-17 17:47:04,943 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-17 17:47:05,102 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:47:05,315 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-12-17 17:47:05,645 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-17 17:47:05,882 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:47:06,524 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-17 17:47:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:07,225 INFO L93 Difference]: Finished difference Result 33144 states and 75496 transitions. [2020-12-17 17:47:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:47:07,226 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:07,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:07,251 INFO L225 Difference]: With dead ends: 33144 [2020-12-17 17:47:07,251 INFO L226 Difference]: Without dead ends: 32957 [2020-12-17 17:47:07,252 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=460, Invalid=2192, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:47:07,252 INFO L78 Accepts]: Start accepts. Automaton has 32957 states. Word has length 115 [2020-12-17 17:47:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:07,252 INFO L481 AbstractCegarLoop]: Abstraction has 32957 states. [2020-12-17 17:47:07,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32957 states. [2020-12-17 17:47:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:07,278 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:07,278 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:07,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2020-12-17 17:47:07,278 INFO L429 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:07,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1018891771, now seen corresponding path program 48 times [2020-12-17 17:47:07,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:07,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391592729] [2020-12-17 17:47:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:09,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391592729] [2020-12-17 17:47:09,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:09,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:47:09,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828892906] [2020-12-17 17:47:09,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:47:09,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:09,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:47:09,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:47:09,313 INFO L87 Difference]: Start difference. First operand 32957 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:10,315 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:47:10,586 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:47:11,094 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:47:11,386 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:47:12,090 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:47:12,443 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-12-17 17:47:12,927 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-12-17 17:47:13,183 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:47:13,400 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:47:13,680 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:47:13,931 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:47:15,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:15,102 INFO L93 Difference]: Finished difference Result 33069 states and 75314 transitions. [2020-12-17 17:47:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:47:15,104 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:15,314 INFO L225 Difference]: With dead ends: 33069 [2020-12-17 17:47:15,315 INFO L226 Difference]: Without dead ends: 32739 [2020-12-17 17:47:15,315 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:47:15,315 INFO L78 Accepts]: Start accepts. Automaton has 32739 states. Word has length 115 [2020-12-17 17:47:15,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:15,315 INFO L481 AbstractCegarLoop]: Abstraction has 32739 states. [2020-12-17 17:47:15,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32739 states. [2020-12-17 17:47:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:15,352 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:15,352 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:15,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2020-12-17 17:47:15,352 INFO L429 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:15,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:15,353 INFO L82 PathProgramCache]: Analyzing trace with hash -508500269, now seen corresponding path program 49 times [2020-12-17 17:47:15,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:15,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336250403] [2020-12-17 17:47:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:17,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336250403] [2020-12-17 17:47:17,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:17,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:47:17,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874039459] [2020-12-17 17:47:17,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:47:17,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:17,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:47:17,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:47:17,389 INFO L87 Difference]: Start difference. First operand 32739 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:18,385 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:47:18,645 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:47:19,116 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:47:19,387 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:47:20,123 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:47:20,492 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:47:20,847 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-12-17 17:47:21,026 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:47:21,264 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-17 17:47:21,462 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-17 17:47:21,628 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:47:21,898 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-17 17:47:22,130 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:47:23,376 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-12-17 17:47:23,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:23,400 INFO L93 Difference]: Finished difference Result 32851 states and 74874 transitions. [2020-12-17 17:47:23,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:47:23,402 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:23,433 INFO L225 Difference]: With dead ends: 32851 [2020-12-17 17:47:23,433 INFO L226 Difference]: Without dead ends: 32529 [2020-12-17 17:47:23,434 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=472, Invalid=2180, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:47:23,434 INFO L78 Accepts]: Start accepts. Automaton has 32529 states. Word has length 115 [2020-12-17 17:47:23,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:23,434 INFO L481 AbstractCegarLoop]: Abstraction has 32529 states. [2020-12-17 17:47:23,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 32529 states. [2020-12-17 17:47:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:23,470 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:23,470 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:23,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2020-12-17 17:47:23,470 INFO L429 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:23,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:23,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1892227555, now seen corresponding path program 50 times [2020-12-17 17:47:23,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:23,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294608132] [2020-12-17 17:47:23,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:25,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294608132] [2020-12-17 17:47:25,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:25,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:47:25,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111515952] [2020-12-17 17:47:25,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:47:25,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:25,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:47:25,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:47:25,497 INFO L87 Difference]: Start difference. First operand 32529 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:26,535 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:47:26,803 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:47:27,293 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:47:27,580 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-17 17:47:28,305 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:47:28,701 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:47:28,965 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:47:29,242 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-17 17:47:29,406 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 17:47:29,621 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-12-17 17:47:29,972 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-17 17:47:30,230 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 17:47:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:31,432 INFO L93 Difference]: Finished difference Result 32521 states and 74280 transitions. [2020-12-17 17:47:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:47:31,434 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:31,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:31,465 INFO L225 Difference]: With dead ends: 32521 [2020-12-17 17:47:31,465 INFO L226 Difference]: Without dead ends: 32128 [2020-12-17 17:47:31,465 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=441, Invalid=2109, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:47:31,465 INFO L78 Accepts]: Start accepts. Automaton has 32128 states. Word has length 115 [2020-12-17 17:47:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:31,465 INFO L481 AbstractCegarLoop]: Abstraction has 32128 states. [2020-12-17 17:47:31,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32128 states. [2020-12-17 17:47:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:31,675 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:31,675 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:31,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2020-12-17 17:47:31,675 INFO L429 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:31,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:31,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1312858423, now seen corresponding path program 51 times [2020-12-17 17:47:31,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:31,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970420193] [2020-12-17 17:47:31,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:33,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970420193] [2020-12-17 17:47:33,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:33,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:47:33,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889602290] [2020-12-17 17:47:33,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:47:33,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:33,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:47:33,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:47:33,454 INFO L87 Difference]: Start difference. First operand 32128 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:34,463 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-17 17:47:34,744 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-17 17:47:35,252 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-17 17:47:35,545 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2020-12-17 17:47:36,235 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2020-12-17 17:47:36,581 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-12-17 17:47:37,052 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-12-17 17:47:37,341 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:47:37,560 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:47:37,889 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:47:38,136 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:47:38,304 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:47:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:39,278 INFO L93 Difference]: Finished difference Result 32124 states and 73548 transitions. [2020-12-17 17:47:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:47:39,279 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:39,309 INFO L225 Difference]: With dead ends: 32124 [2020-12-17 17:47:39,309 INFO L226 Difference]: Without dead ends: 32006 [2020-12-17 17:47:39,310 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-12-17 17:47:39,310 INFO L78 Accepts]: Start accepts. Automaton has 32006 states. Word has length 115 [2020-12-17 17:47:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:39,310 INFO L481 AbstractCegarLoop]: Abstraction has 32006 states. [2020-12-17 17:47:39,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 32006 states. [2020-12-17 17:47:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:39,340 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:39,340 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:39,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2020-12-17 17:47:39,341 INFO L429 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1716930833, now seen corresponding path program 52 times [2020-12-17 17:47:39,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:39,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205005789] [2020-12-17 17:47:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:41,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205005789] [2020-12-17 17:47:41,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:41,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:47:41,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822585901] [2020-12-17 17:47:41,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:47:41,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:41,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:47:41,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:47:41,387 INFO L87 Difference]: Start difference. First operand 32006 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:42,370 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-17 17:47:42,636 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-17 17:47:43,121 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-17 17:47:43,773 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-12-17 17:47:44,038 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-17 17:47:44,383 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-17 17:47:44,900 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-12-17 17:47:45,205 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:47:45,432 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:47:45,724 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:47:45,936 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:47:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:46,921 INFO L93 Difference]: Finished difference Result 32034 states and 73370 transitions. [2020-12-17 17:47:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:47:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:46,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:46,959 INFO L225 Difference]: With dead ends: 32034 [2020-12-17 17:47:46,959 INFO L226 Difference]: Without dead ends: 31919 [2020-12-17 17:47:46,959 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-12-17 17:47:46,960 INFO L78 Accepts]: Start accepts. Automaton has 31919 states. Word has length 115 [2020-12-17 17:47:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:46,960 INFO L481 AbstractCegarLoop]: Abstraction has 31919 states. [2020-12-17 17:47:46,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 31919 states. [2020-12-17 17:47:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:46,998 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:46,999 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:46,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2020-12-17 17:47:46,999 INFO L429 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:46,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:46,999 INFO L82 PathProgramCache]: Analyzing trace with hash -744475375, now seen corresponding path program 53 times [2020-12-17 17:47:46,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:46,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862831857] [2020-12-17 17:47:47,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:47,366 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2020-12-17 17:47:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:48,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862831857] [2020-12-17 17:47:48,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:48,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:47:48,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119857146] [2020-12-17 17:47:48,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:47:48,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:48,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:47:48,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:47:48,890 INFO L87 Difference]: Start difference. First operand 31919 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:49,861 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:47:50,138 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:47:50,615 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:47:51,265 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2020-12-17 17:47:51,539 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-12-17 17:47:51,965 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-17 17:47:52,339 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-17 17:47:52,541 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:47:52,817 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-17 17:47:53,050 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-17 17:47:53,279 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:47:53,665 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:47:53,912 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:47:55,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:47:55,037 INFO L93 Difference]: Finished difference Result 31947 states and 73194 transitions. [2020-12-17 17:47:55,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:47:55,038 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:47:55,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:47:55,069 INFO L225 Difference]: With dead ends: 31947 [2020-12-17 17:47:55,069 INFO L226 Difference]: Without dead ends: 31850 [2020-12-17 17:47:55,069 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=448, Invalid=2002, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:47:55,070 INFO L78 Accepts]: Start accepts. Automaton has 31850 states. Word has length 115 [2020-12-17 17:47:55,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:47:55,070 INFO L481 AbstractCegarLoop]: Abstraction has 31850 states. [2020-12-17 17:47:55,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 31850 states. [2020-12-17 17:47:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:47:55,099 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:47:55,100 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:47:55,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2020-12-17 17:47:55,100 INFO L429 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:47:55,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:47:55,100 INFO L82 PathProgramCache]: Analyzing trace with hash -777403859, now seen corresponding path program 54 times [2020-12-17 17:47:55,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:47:55,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681505403] [2020-12-17 17:47:55,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:47:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:47:55,597 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2020-12-17 17:47:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:47:57,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681505403] [2020-12-17 17:47:57,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:47:57,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:47:57,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437477258] [2020-12-17 17:47:57,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:47:57,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:47:57,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:47:57,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:47:57,100 INFO L87 Difference]: Start difference. First operand 31850 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:47:58,092 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:47:58,360 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:47:58,836 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-17 17:47:59,478 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2020-12-17 17:47:59,760 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-12-17 17:48:00,187 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-17 17:48:00,471 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:48:00,759 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-12-17 17:48:00,940 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:48:01,189 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-12-17 17:48:01,424 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:48:01,877 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-17 17:48:02,121 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:48:02,833 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:48:03,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:03,742 INFO L93 Difference]: Finished difference Result 31952 states and 73158 transitions. [2020-12-17 17:48:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-17 17:48:03,743 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:03,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:03,774 INFO L225 Difference]: With dead ends: 31952 [2020-12-17 17:48:03,774 INFO L226 Difference]: Without dead ends: 31839 [2020-12-17 17:48:03,774 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=505, Invalid=2251, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:48:03,775 INFO L78 Accepts]: Start accepts. Automaton has 31839 states. Word has length 115 [2020-12-17 17:48:03,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:03,775 INFO L481 AbstractCegarLoop]: Abstraction has 31839 states. [2020-12-17 17:48:03,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 31839 states. [2020-12-17 17:48:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:03,805 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:03,805 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:03,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2020-12-17 17:48:03,806 INFO L429 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:03,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:03,806 INFO L82 PathProgramCache]: Analyzing trace with hash -421863149, now seen corresponding path program 55 times [2020-12-17 17:48:03,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:03,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118977432] [2020-12-17 17:48:03,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:05,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:05,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118977432] [2020-12-17 17:48:05,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:05,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:48:05,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536102927] [2020-12-17 17:48:05,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:48:05,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:05,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:48:05,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:48:05,772 INFO L87 Difference]: Start difference. First operand 31839 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:06,772 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-17 17:48:07,038 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2020-12-17 17:48:07,528 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-12-17 17:48:08,162 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:48:08,441 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-12-17 17:48:08,774 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-12-17 17:48:09,257 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2020-12-17 17:48:09,509 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:48:09,744 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:48:10,028 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:48:10,272 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:48:11,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:11,374 INFO L93 Difference]: Finished difference Result 31835 states and 72946 transitions. [2020-12-17 17:48:11,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:48:11,376 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:11,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:11,411 INFO L225 Difference]: With dead ends: 31835 [2020-12-17 17:48:11,411 INFO L226 Difference]: Without dead ends: 31664 [2020-12-17 17:48:11,412 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-12-17 17:48:11,412 INFO L78 Accepts]: Start accepts. Automaton has 31664 states. Word has length 115 [2020-12-17 17:48:11,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:11,412 INFO L481 AbstractCegarLoop]: Abstraction has 31664 states. [2020-12-17 17:48:11,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 31664 states. [2020-12-17 17:48:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:11,450 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:11,452 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:11,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2020-12-17 17:48:11,452 INFO L429 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:11,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:11,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2042619117, now seen corresponding path program 56 times [2020-12-17 17:48:11,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:11,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514268093] [2020-12-17 17:48:11,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:13,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514268093] [2020-12-17 17:48:13,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:13,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:48:13,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970695680] [2020-12-17 17:48:13,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:48:13,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:13,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:48:13,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:48:13,411 INFO L87 Difference]: Start difference. First operand 31664 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:14,383 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-17 17:48:14,662 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-17 17:48:15,166 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-17 17:48:15,826 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-12-17 17:48:16,134 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-12-17 17:48:16,495 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-17 17:48:17,019 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-12-17 17:48:17,313 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:48:17,553 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:48:17,868 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:48:18,111 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:48:18,279 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:48:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:19,258 INFO L93 Difference]: Finished difference Result 31660 states and 72634 transitions. [2020-12-17 17:48:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:48:19,259 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:19,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:19,289 INFO L225 Difference]: With dead ends: 31660 [2020-12-17 17:48:19,289 INFO L226 Difference]: Without dead ends: 31557 [2020-12-17 17:48:19,290 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-12-17 17:48:19,290 INFO L78 Accepts]: Start accepts. Automaton has 31557 states. Word has length 115 [2020-12-17 17:48:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:19,290 INFO L481 AbstractCegarLoop]: Abstraction has 31557 states. [2020-12-17 17:48:19,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 31557 states. [2020-12-17 17:48:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:19,320 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:19,320 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:19,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2020-12-17 17:48:19,320 INFO L429 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:19,321 INFO L82 PathProgramCache]: Analyzing trace with hash -223192487, now seen corresponding path program 57 times [2020-12-17 17:48:19,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:19,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476618855] [2020-12-17 17:48:19,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:20,632 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-12-17 17:48:20,834 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2020-12-17 17:48:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:21,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476618855] [2020-12-17 17:48:21,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:21,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:48:21,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978736445] [2020-12-17 17:48:21,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:48:21,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:21,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:48:21,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:48:21,483 INFO L87 Difference]: Start difference. First operand 31557 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:22,549 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-17 17:48:22,842 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2020-12-17 17:48:23,369 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-12-17 17:48:24,070 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:48:24,371 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-17 17:48:24,734 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-12-17 17:48:25,240 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-12-17 17:48:25,535 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-17 17:48:25,751 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-17 17:48:26,070 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-17 17:48:26,347 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-17 17:48:26,516 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-17 17:48:27,691 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:48:27,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:27,717 INFO L93 Difference]: Finished difference Result 31613 states and 72531 transitions. [2020-12-17 17:48:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:48:27,718 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:27,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:27,752 INFO L225 Difference]: With dead ends: 31613 [2020-12-17 17:48:27,752 INFO L226 Difference]: Without dead ends: 31444 [2020-12-17 17:48:27,752 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-12-17 17:48:27,752 INFO L78 Accepts]: Start accepts. Automaton has 31444 states. Word has length 115 [2020-12-17 17:48:27,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:27,753 INFO L481 AbstractCegarLoop]: Abstraction has 31444 states. [2020-12-17 17:48:27,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 31444 states. [2020-12-17 17:48:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:27,791 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:27,792 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:27,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2020-12-17 17:48:27,792 INFO L429 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:27,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:27,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1492234397, now seen corresponding path program 58 times [2020-12-17 17:48:27,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:27,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661367486] [2020-12-17 17:48:27,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:29,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661367486] [2020-12-17 17:48:29,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:29,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:48:29,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593242774] [2020-12-17 17:48:29,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:48:29,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:29,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:48:29,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:48:29,809 INFO L87 Difference]: Start difference. First operand 31444 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:30,869 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:48:31,160 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:48:31,660 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:48:32,359 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2020-12-17 17:48:32,631 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2020-12-17 17:48:33,031 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-17 17:48:33,381 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-12-17 17:48:33,593 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:48:33,849 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-17 17:48:34,052 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-17 17:48:34,235 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:48:34,532 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:48:34,788 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:48:35,088 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:48:36,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:36,016 INFO L93 Difference]: Finished difference Result 31500 states and 72302 transitions. [2020-12-17 17:48:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:48:36,017 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:36,049 INFO L225 Difference]: With dead ends: 31500 [2020-12-17 17:48:36,049 INFO L226 Difference]: Without dead ends: 31339 [2020-12-17 17:48:36,049 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=448, Invalid=2002, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:48:36,050 INFO L78 Accepts]: Start accepts. Automaton has 31339 states. Word has length 115 [2020-12-17 17:48:36,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:36,050 INFO L481 AbstractCegarLoop]: Abstraction has 31339 states. [2020-12-17 17:48:36,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 31339 states. [2020-12-17 17:48:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:36,085 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:36,085 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:36,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2020-12-17 17:48:36,085 INFO L429 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:36,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:36,085 INFO L82 PathProgramCache]: Analyzing trace with hash -402005075, now seen corresponding path program 59 times [2020-12-17 17:48:36,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:36,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683562736] [2020-12-17 17:48:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:37,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683562736] [2020-12-17 17:48:37,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:37,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-17 17:48:37,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544693037] [2020-12-17 17:48:37,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-17 17:48:37,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:37,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-17 17:48:37,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-12-17 17:48:37,891 INFO L87 Difference]: Start difference. First operand 31339 states. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:38,876 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:48:39,154 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-17 17:48:39,657 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-17 17:48:40,312 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2020-12-17 17:48:40,596 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2020-12-17 17:48:40,992 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-17 17:48:41,260 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:48:41,552 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-12-17 17:48:41,734 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-17 17:48:41,976 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-12-17 17:48:42,505 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-17 17:48:42,767 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:48:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:43,927 INFO L93 Difference]: Finished difference Result 31335 states and 72005 transitions. [2020-12-17 17:48:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:48:43,929 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:43,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:43,957 INFO L225 Difference]: With dead ends: 31335 [2020-12-17 17:48:43,957 INFO L226 Difference]: Without dead ends: 31138 [2020-12-17 17:48:43,958 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=419, Invalid=1933, Unknown=0, NotChecked=0, Total=2352 [2020-12-17 17:48:43,958 INFO L78 Accepts]: Start accepts. Automaton has 31138 states. Word has length 115 [2020-12-17 17:48:43,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:43,958 INFO L481 AbstractCegarLoop]: Abstraction has 31138 states. [2020-12-17 17:48:43,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 31138 states. [2020-12-17 17:48:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:43,986 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:43,986 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:43,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2020-12-17 17:48:43,986 INFO L429 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:43,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1723295795, now seen corresponding path program 60 times [2020-12-17 17:48:43,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:43,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916670042] [2020-12-17 17:48:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:44,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916670042] [2020-12-17 17:48:44,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:44,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-17 17:48:44,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680509833] [2020-12-17 17:48:44,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-17 17:48:44,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:44,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-17 17:48:44,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-12-17 17:48:44,514 INFO L87 Difference]: Start difference. First operand 31138 states. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:46,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:46,357 INFO L93 Difference]: Finished difference Result 23846 states and 53808 transitions. [2020-12-17 17:48:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-17 17:48:46,358 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:46,380 INFO L225 Difference]: With dead ends: 23846 [2020-12-17 17:48:46,380 INFO L226 Difference]: Without dead ends: 23846 [2020-12-17 17:48:46,381 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=284, Invalid=906, Unknown=0, NotChecked=0, Total=1190 [2020-12-17 17:48:46,381 INFO L78 Accepts]: Start accepts. Automaton has 23846 states. Word has length 115 [2020-12-17 17:48:46,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:46,381 INFO L481 AbstractCegarLoop]: Abstraction has 23846 states. [2020-12-17 17:48:46,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 23846 states. [2020-12-17 17:48:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:46,401 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:46,401 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:46,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2020-12-17 17:48:46,402 INFO L429 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:46,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:46,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1422426607, now seen corresponding path program 61 times [2020-12-17 17:48:46,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:46,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739358250] [2020-12-17 17:48:46,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:48,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739358250] [2020-12-17 17:48:48,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:48,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:48:48,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082081190] [2020-12-17 17:48:48,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:48:48,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:48,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:48:48,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:48:48,386 INFO L87 Difference]: Start difference. First operand 23846 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:49,609 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:48:49,907 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:48:50,150 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-17 17:48:50,684 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:48:50,984 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:48:51,671 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:48:52,030 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:48:52,263 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:48:52,793 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:48:53,029 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:48:53,662 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:48:54,104 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:48:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:48:55,085 INFO L93 Difference]: Finished difference Result 24111 states and 54244 transitions. [2020-12-17 17:48:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-17 17:48:55,086 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:48:55,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:48:55,112 INFO L225 Difference]: With dead ends: 24111 [2020-12-17 17:48:55,112 INFO L226 Difference]: Without dead ends: 23634 [2020-12-17 17:48:55,112 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=476, Invalid=2176, Unknown=0, NotChecked=0, Total=2652 [2020-12-17 17:48:55,113 INFO L78 Accepts]: Start accepts. Automaton has 23634 states. Word has length 115 [2020-12-17 17:48:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:48:55,113 INFO L481 AbstractCegarLoop]: Abstraction has 23634 states. [2020-12-17 17:48:55,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23634 states. [2020-12-17 17:48:55,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:48:55,141 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:48:55,141 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:48:55,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2020-12-17 17:48:55,141 INFO L429 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:48:55,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:48:55,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1660740121, now seen corresponding path program 62 times [2020-12-17 17:48:55,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:48:55,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853492888] [2020-12-17 17:48:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:48:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:48:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:48:57,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853492888] [2020-12-17 17:48:57,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:48:57,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:48:57,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804598648] [2020-12-17 17:48:57,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:48:57,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:48:57,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:48:57,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:48:57,610 INFO L87 Difference]: Start difference. First operand 23634 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:48:58,706 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:48:59,007 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:48:59,244 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-17 17:48:59,866 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:49:00,210 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:49:00,866 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:49:01,211 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:49:01,440 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:49:01,929 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:49:02,378 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:49:02,620 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:49:02,799 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:49:02,987 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:49:03,343 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 17:49:04,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:49:04,475 INFO L93 Difference]: Finished difference Result 23818 states and 53431 transitions. [2020-12-17 17:49:04,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 17:49:04,476 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:49:04,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:49:04,494 INFO L225 Difference]: With dead ends: 23818 [2020-12-17 17:49:04,495 INFO L226 Difference]: Without dead ends: 23568 [2020-12-17 17:49:04,495 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=482, Invalid=2274, Unknown=0, NotChecked=0, Total=2756 [2020-12-17 17:49:04,495 INFO L78 Accepts]: Start accepts. Automaton has 23568 states. Word has length 115 [2020-12-17 17:49:04,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:49:04,495 INFO L481 AbstractCegarLoop]: Abstraction has 23568 states. [2020-12-17 17:49:04,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 23568 states. [2020-12-17 17:49:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:49:04,514 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:49:04,514 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:49:04,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2020-12-17 17:49:04,514 INFO L429 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:49:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:49:04,514 INFO L82 PathProgramCache]: Analyzing trace with hash 512918351, now seen corresponding path program 63 times [2020-12-17 17:49:04,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:49:04,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399021829] [2020-12-17 17:49:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:49:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:49:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:49:06,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399021829] [2020-12-17 17:49:06,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:49:06,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:49:06,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183746086] [2020-12-17 17:49:06,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:49:06,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:49:06,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:49:06,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:49:06,626 INFO L87 Difference]: Start difference. First operand 23568 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:07,764 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:49:08,067 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:49:08,315 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-17 17:49:08,915 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:49:09,268 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:49:09,954 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:49:10,297 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:49:10,525 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 17:49:11,171 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-12-17 17:49:11,476 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-17 17:49:11,849 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-17 17:49:12,115 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:49:13,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:49:13,378 INFO L93 Difference]: Finished difference Result 23753 states and 53253 transitions. [2020-12-17 17:49:13,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:49:13,380 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:49:13,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:49:13,407 INFO L225 Difference]: With dead ends: 23753 [2020-12-17 17:49:13,407 INFO L226 Difference]: Without dead ends: 22948 [2020-12-17 17:49:13,408 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=443, Invalid=2107, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:49:13,408 INFO L78 Accepts]: Start accepts. Automaton has 22948 states. Word has length 115 [2020-12-17 17:49:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:49:13,408 INFO L481 AbstractCegarLoop]: Abstraction has 22948 states. [2020-12-17 17:49:13,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 22948 states. [2020-12-17 17:49:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:49:13,437 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:49:13,437 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:49:13,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2020-12-17 17:49:13,438 INFO L429 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:49:13,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:49:13,439 INFO L82 PathProgramCache]: Analyzing trace with hash 330545909, now seen corresponding path program 64 times [2020-12-17 17:49:13,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:49:13,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41927709] [2020-12-17 17:49:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:49:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:49:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:49:15,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41927709] [2020-12-17 17:49:15,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:49:15,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:49:15,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80803296] [2020-12-17 17:49:15,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:49:15,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:49:15,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:49:15,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:49:15,657 INFO L87 Difference]: Start difference. First operand 22948 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:16,763 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:49:17,078 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:49:17,324 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-17 17:49:17,917 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:49:18,232 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:49:18,952 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-17 17:49:19,618 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-12-17 17:49:19,863 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:49:20,016 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:49:20,220 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:49:20,530 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:49:20,755 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:49:21,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:49:21,846 INFO L93 Difference]: Finished difference Result 23141 states and 51949 transitions. [2020-12-17 17:49:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-17 17:49:21,847 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:49:21,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:49:21,872 INFO L225 Difference]: With dead ends: 23141 [2020-12-17 17:49:21,873 INFO L226 Difference]: Without dead ends: 22825 [2020-12-17 17:49:21,873 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=455, Invalid=2095, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 17:49:21,873 INFO L78 Accepts]: Start accepts. Automaton has 22825 states. Word has length 115 [2020-12-17 17:49:21,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:49:21,873 INFO L481 AbstractCegarLoop]: Abstraction has 22825 states. [2020-12-17 17:49:21,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 22825 states. [2020-12-17 17:49:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:49:21,900 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:49:21,900 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:49:21,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2020-12-17 17:49:21,900 INFO L429 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:49:21,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:49:21,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1162366039, now seen corresponding path program 65 times [2020-12-17 17:49:21,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:49:21,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654579924] [2020-12-17 17:49:21,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:49:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:49:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:49:24,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654579924] [2020-12-17 17:49:24,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:49:24,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:49:24,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399056215] [2020-12-17 17:49:24,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:49:24,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:49:24,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:49:24,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:49:24,021 INFO L87 Difference]: Start difference. First operand 22825 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:24,991 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-17 17:49:25,218 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 17:49:25,509 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 17:49:25,774 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-17 17:49:26,377 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-17 17:49:26,731 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-17 17:49:27,696 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2020-12-17 17:49:28,134 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-17 17:49:28,422 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-17 17:49:28,679 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-17 17:49:29,002 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-17 17:49:29,250 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 17:49:29,438 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-17 17:49:30,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 17:49:30,475 INFO L93 Difference]: Finished difference Result 22817 states and 51375 transitions. [2020-12-17 17:49:30,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-17 17:49:30,476 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-17 17:49:30,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 17:49:30,497 INFO L225 Difference]: With dead ends: 22817 [2020-12-17 17:49:30,497 INFO L226 Difference]: Without dead ends: 22445 [2020-12-17 17:49:30,498 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 17:49:30,498 INFO L78 Accepts]: Start accepts. Automaton has 22445 states. Word has length 115 [2020-12-17 17:49:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 17:49:30,498 INFO L481 AbstractCegarLoop]: Abstraction has 22445 states. [2020-12-17 17:49:30,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-17 17:49:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 22445 states. [2020-12-17 17:49:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-17 17:49:30,518 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 17:49:30,519 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-17 17:49:30,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2020-12-17 17:49:30,519 INFO L429 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 17:49:30,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 17:49:30,519 INFO L82 PathProgramCache]: Analyzing trace with hash -360375613, now seen corresponding path program 66 times [2020-12-17 17:49:30,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 17:49:30,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503798488] [2020-12-17 17:49:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 17:49:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 17:49:31,229 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-12-17 17:49:32,006 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-12-17 17:49:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 17:49:32,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503798488] [2020-12-17 17:49:32,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 17:49:32,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 17:49:32,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420379930] [2020-12-17 17:49:32,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 17:49:32,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 17:49:32,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 17:49:32,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-17 17:49:32,901 INFO L87 Difference]: Start difference. First operand 22445 states. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2020-12-17 17:49:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-17 17:49:33,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2020-12-17 17:49:33,548 WARN L546 AbstractCegarLoop]: Verification canceled [2020-12-17 17:49:33,554 WARN L250 ceAbstractionStarter]: Timeout [2020-12-17 17:49:33,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 05:49:33 BasicIcfg [2020-12-17 17:49:33,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 17:49:33,555 INFO L168 Benchmark]: Toolchain (without parser) took 665436.33 ms. Allocated memory was 302.0 MB in the beginning and 3.8 GB in the end (delta: 3.5 GB). Free memory was 267.6 MB in the beginning and 971.0 MB in the end (delta: -703.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 16.0 GB. [2020-12-17 17:49:33,555 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 302.0 MB. Free memory is still 287.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 17:49:33,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1654.29 ms. Allocated memory was 302.0 MB in the beginning and 394.3 MB in the end (delta: 92.3 MB). Free memory was 267.4 MB in the beginning and 347.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.0 GB. [2020-12-17 17:49:33,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.10 ms. Allocated memory is still 394.3 MB. Free memory was 347.6 MB in the beginning and 343.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-12-17 17:49:33,556 INFO L168 Benchmark]: Boogie Preprocessor took 59.17 ms. Allocated memory is still 394.3 MB. Free memory was 343.4 MB in the beginning and 341.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 17:49:33,556 INFO L168 Benchmark]: RCFGBuilder took 881.76 ms. Allocated memory is still 394.3 MB. Free memory was 341.3 MB in the beginning and 291.0 MB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.0 GB. [2020-12-17 17:49:33,556 INFO L168 Benchmark]: TraceAbstraction took 662720.52 ms. Allocated memory was 394.3 MB in the beginning and 3.8 GB in the end (delta: 3.4 GB). Free memory was 291.0 MB in the beginning and 972.0 MB in the end (delta: -681.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2020-12-17 17:49:33,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 302.0 MB. Free memory is still 287.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1654.29 ms. Allocated memory was 302.0 MB in the beginning and 394.3 MB in the end (delta: 92.3 MB). Free memory was 267.4 MB in the beginning and 347.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 110.10 ms. Allocated memory is still 394.3 MB. Free memory was 347.6 MB in the beginning and 343.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.17 ms. Allocated memory is still 394.3 MB. Free memory was 343.4 MB in the beginning and 341.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 881.76 ms. Allocated memory is still 394.3 MB. Free memory was 341.3 MB in the beginning and 291.0 MB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 662720.52 ms. Allocated memory was 394.3 MB in the beginning and 3.8 GB in the end (delta: 3.4 GB). Free memory was 291.0 MB in the beginning and 972.0 MB in the end (delta: -681.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (22445states) and FLOYD_HOARE automaton (currently 7 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (29 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (22445states) and FLOYD_HOARE automaton (currently 7 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (29 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (22445states) and FLOYD_HOARE automaton (currently 7 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (29 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (22445states) and FLOYD_HOARE automaton (currently 7 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (29 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (22445states) and FLOYD_HOARE automaton (currently 7 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (29 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (22445states) and FLOYD_HOARE automaton (currently 7 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (29 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 158 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 662.5s, OverallIterations: 114, TraceHistogramMax: 1, AutomataDifference: 496.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 22303 SDtfs, 84136 SDslu, 204432 SDs, 0 SdLazy, 115417 SolverSat, 7829 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 117.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5338 GetRequests, 452 SyntacticMatches, 195 SemanticMatches, 4691 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34771 ImplicationChecksByTransitivity, 441.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43001occurred in iteration=64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 149.3s InterpolantComputationTime, 12565 NumberOfCodeBlocks, 12565 NumberOfCodeBlocksAsserted, 114 NumberOfCheckSat, 12451 ConstructedInterpolants, 0 QuantifiedInterpolants, 24696615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 114 InterpolantComputations, 114 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown !SESSION 2020-12-17 17:38:24.500 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9 java.vendor=AdoptOpenJDK BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Framework arguments: -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i Command-line arguments: -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i !ENTRY org.eclipse.osgi 4 0 2020-12-17 17:49:33.819 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349162bb9/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349162bb9/.metadata/.log.