/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 11:42:33,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:42:33,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:42:33,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:42:33,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:42:33,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:42:33,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:42:33,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:42:33,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:42:33,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:42:33,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:42:33,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:42:33,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:42:33,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:42:33,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:42:33,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:42:33,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:42:33,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:42:33,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:42:33,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:42:33,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:42:33,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:42:33,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:42:33,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:42:33,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 11:42:33,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:42:33,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:42:33,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:42:33,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:42:33,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:42:33,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:42:33,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:42:33,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:42:33,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:42:33,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:42:33,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:42:33,720 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-SemanticLbe.epf [2021-03-11 11:42:33,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:42:33,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:42:33,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:42:33,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:42:33,748 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:42:33,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:42:33,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:42:33,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:42:33,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:42:33,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:42:33,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:42:33,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:42:33,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:42:33,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:42:33,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:42:33,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:42:33,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:42:33,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:42:33,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:42:33,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:42:33,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:42:33,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:42:33,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:42:33,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:42:33,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:42:33,998 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:42:33,999 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:42:34,000 INFO L432 ainManager$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 [2021-03-11 11:42:34,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de379b913/ba1498bbe36449ff8c02ecadc155e511/FLAG5dc9c031e [2021-03-11 11:42:34,459 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:42:34,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-11 11:42:34,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de379b913/ba1498bbe36449ff8c02ecadc155e511/FLAG5dc9c031e [2021-03-11 11:42:34,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de379b913/ba1498bbe36449ff8c02ecadc155e511 [2021-03-11 11:42:34,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:42:34,787 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:42:34,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:42:34,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:42:34,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:42:34,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:42:34" (1/1) ... [2021-03-11 11:42:34,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:34, skipping insertion in model container [2021-03-11 11:42:34,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:42:34" (1/1) ... [2021-03-11 11:42:34,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:42:34,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:42:35,135 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-03-11 11:42:35,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:42:35,188 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 11:42:35,210 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-03-11 11:42:35,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:42:35,411 INFO L208 MainTranslator]: Completed translation [2021-03-11 11:42:35,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35 WrapperNode [2021-03-11 11:42:35,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:42:35,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 11:42:35,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 11:42:35,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 11:42:35,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 11:42:35,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 11:42:35,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 11:42:35,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 11:42:35,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (1/1) ... [2021-03-11 11:42:35,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 11:42:35,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 11:42:35,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 11:42:35,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 11:42:35,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (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 [2021-03-11 11:42:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 11:42:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 11:42:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 11:42:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 11:42:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 11:42:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 11:42:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-11 11:42:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-11 11:42:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 11:42:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 11:42:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 11:42:35,544 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 11:42:36,011 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 11:42:36,011 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-11 11:42:36,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:42:36 BoogieIcfgContainer [2021-03-11 11:42:36,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 11:42:36,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 11:42:36,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 11:42:36,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 11:42:36,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:42:34" (1/3) ... [2021-03-11 11:42:36,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43afd9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:42:36, skipping insertion in model container [2021-03-11 11:42:36,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:42:35" (2/3) ... [2021-03-11 11:42:36,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43afd9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:42:36, skipping insertion in model container [2021-03-11 11:42:36,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:42:36" (3/3) ... [2021-03-11 11:42:36,017 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-03-11 11:42:36,020 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 11:42:36,020 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 11:42:36,023 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-11 11:42:36,023 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 11:42:36,041 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,045 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,057 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,057 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,058 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,058 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:42:36,062 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 11:42:36,073 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-11 11:42:36,085 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 11:42:36,085 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 11:42:36,085 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 11:42:36,085 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 11:42:36,085 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 11:42:36,085 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 11:42:36,085 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 11:42:36,086 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 11:42:36,098 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 11:42:36,104 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 164 transitions, 350 flow [2021-03-11 11:42:36,105 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 164 transitions, 350 flow [2021-03-11 11:42:36,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-03-11 11:42:36,165 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-03-11 11:42:36,165 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 11:42:36,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 11/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 407 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-11 11:42:36,171 INFO L116 LiptonReduction]: Number of co-enabled transitions 2756 [2021-03-11 11:42:52,718 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-03-11 11:43:04,545 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-03-11 11:43:14,408 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-11 11:43:18,537 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-11 11:43:28,579 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-11 11:43:33,992 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-03-11 11:43:35,342 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-11 11:43:35,543 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-11 11:43:36,659 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-11 11:43:36,983 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-11 11:43:37,092 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-11 11:43:37,370 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-11 11:43:37,629 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-11 11:43:37,863 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-03-11 11:43:38,106 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-03-11 11:43:39,013 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2021-03-11 11:43:39,332 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-11 11:43:40,050 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2021-03-11 11:43:40,404 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-03-11 11:43:42,269 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2021-03-11 11:43:43,015 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 11:43:45,392 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 187 DAG size of output: 183 [2021-03-11 11:43:46,382 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-11 11:43:46,387 INFO L131 LiptonReduction]: Checked pairs total: 7061 [2021-03-11 11:43:46,387 INFO L133 LiptonReduction]: Total number of compositions: 184 [2021-03-11 11:43:46,395 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 98 flow [2021-03-11 11:43:46,420 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 388 states, 377 states have (on average 2.480106100795756) internal successors, (935), 387 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 377 states have (on average 2.480106100795756) internal successors, (935), 387 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-03-11 11:43:46,426 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:46,426 INFO L519 BasicCegarLoop]: trace histogram [1] [2021-03-11 11:43:46,427 INFO L428 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]=== [2021-03-11 11:43:46,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:46,433 INFO L82 PathProgramCache]: Analyzing trace with hash 595, now seen corresponding path program 1 times [2021-03-11 11:43:46,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:46,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324361462] [2021-03-11 11:43:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:46,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324361462] [2021-03-11 11:43:46,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:46,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 11:43:46,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244552733] [2021-03-11 11:43:46,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 11:43:46,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:46,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 11:43:46,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 11:43:46,599 INFO L87 Difference]: Start difference. First operand has 388 states, 377 states have (on average 2.480106100795756) internal successors, (935), 387 states have internal predecessors, (935), 0 states have call successors, (0), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:46,615 INFO L93 Difference]: Finished difference Result 386 states and 932 transitions. [2021-03-11 11:43:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 11:43:46,616 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2021-03-11 11:43:46,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:46,623 INFO L225 Difference]: With dead ends: 386 [2021-03-11 11:43:46,623 INFO L226 Difference]: Without dead ends: 348 [2021-03-11 11:43:46,624 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 11:43:46,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-03-11 11:43:46,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2021-03-11 11:43:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 342 states have (on average 2.43859649122807) internal successors, (834), 347 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 834 transitions. [2021-03-11 11:43:46,659 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 834 transitions. Word has length 1 [2021-03-11 11:43:46,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:46,660 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 834 transitions. [2021-03-11 11:43:46,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 834 transitions. [2021-03-11 11:43:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-03-11 11:43:46,660 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:46,660 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 11:43:46,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 11:43:46,660 INFO L428 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]=== [2021-03-11 11:43:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:46,661 INFO L82 PathProgramCache]: Analyzing trace with hash 563093600, now seen corresponding path program 1 times [2021-03-11 11:43:46,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:46,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430121077] [2021-03-11 11:43:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:46,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:46,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:46,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:46,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:43:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:46,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430121077] [2021-03-11 11:43:46,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:46,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 11:43:46,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384296236] [2021-03-11 11:43:46,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:43:46,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:46,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:43:46,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:43:46,784 INFO L87 Difference]: Start difference. First operand 348 states and 834 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:46,850 INFO L93 Difference]: Finished difference Result 439 states and 1041 transitions. [2021-03-11 11:43:46,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:43:46,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-03-11 11:43:46,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:46,855 INFO L225 Difference]: With dead ends: 439 [2021-03-11 11:43:46,855 INFO L226 Difference]: Without dead ends: 439 [2021-03-11 11:43:46,855 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:43:46,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-03-11 11:43:46,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 407. [2021-03-11 11:43:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 402 states have (on average 2.4601990049751246) internal successors, (989), 406 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 989 transitions. [2021-03-11 11:43:46,884 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 989 transitions. Word has length 5 [2021-03-11 11:43:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:46,884 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 989 transitions. [2021-03-11 11:43:46,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 989 transitions. [2021-03-11 11:43:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-03-11 11:43:46,884 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:46,884 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 11:43:46,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 11:43:46,885 INFO L428 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]=== [2021-03-11 11:43:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:46,885 INFO L82 PathProgramCache]: Analyzing trace with hash 563093558, now seen corresponding path program 1 times [2021-03-11 11:43:46,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:46,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856837154] [2021-03-11 11:43:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:46,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:46,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:46,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:46,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:43:46,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:43:46,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:43:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:46,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856837154] [2021-03-11 11:43:46,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:46,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:43:46,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752164978] [2021-03-11 11:43:46,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:43:46,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:46,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:43:46,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:43:46,979 INFO L87 Difference]: Start difference. First operand 407 states and 989 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:47,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:47,078 INFO L93 Difference]: Finished difference Result 530 states and 1280 transitions. [2021-03-11 11:43:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 11:43:47,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-03-11 11:43:47,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:47,080 INFO L225 Difference]: With dead ends: 530 [2021-03-11 11:43:47,080 INFO L226 Difference]: Without dead ends: 514 [2021-03-11 11:43:47,080 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:43:47,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-03-11 11:43:47,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2021-03-11 11:43:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 510 states have (on average 2.4529411764705884) internal successors, (1251), 513 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 1251 transitions. [2021-03-11 11:43:47,093 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 1251 transitions. Word has length 5 [2021-03-11 11:43:47,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:47,093 INFO L480 AbstractCegarLoop]: Abstraction has 514 states and 1251 transitions. [2021-03-11 11:43:47,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1251 transitions. [2021-03-11 11:43:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-03-11 11:43:47,096 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:47,096 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:43:47,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 11:43:47,096 INFO L428 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]=== [2021-03-11 11:43:47,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:47,096 INFO L82 PathProgramCache]: Analyzing trace with hash -958224953, now seen corresponding path program 1 times [2021-03-11 11:43:47,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:47,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252728557] [2021-03-11 11:43:47,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:47,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:43:47,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:47,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252728557] [2021-03-11 11:43:47,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:47,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:43:47,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391511054] [2021-03-11 11:43:47,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:43:47,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:47,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:43:47,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:43:47,138 INFO L87 Difference]: Start difference. First operand 514 states and 1251 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:47,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:47,150 INFO L93 Difference]: Finished difference Result 162 states and 347 transitions. [2021-03-11 11:43:47,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:43:47,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-03-11 11:43:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:47,151 INFO L225 Difference]: With dead ends: 162 [2021-03-11 11:43:47,151 INFO L226 Difference]: Without dead ends: 162 [2021-03-11 11:43:47,151 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:43:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-03-11 11:43:47,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2021-03-11 11:43:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 160 states have (on average 2.16875) internal successors, (347), 161 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 347 transitions. [2021-03-11 11:43:47,154 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 347 transitions. Word has length 11 [2021-03-11 11:43:47,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:47,154 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 347 transitions. [2021-03-11 11:43:47,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 347 transitions. [2021-03-11 11:43:47,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:47,158 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:47,158 INFO L519 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] [2021-03-11 11:43:47,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 11:43:47,158 INFO L428 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]=== [2021-03-11 11:43:47,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:47,159 INFO L82 PathProgramCache]: Analyzing trace with hash 900375531, now seen corresponding path program 1 times [2021-03-11 11:43:47,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:47,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690099733] [2021-03-11 11:43:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:47,315 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-11 11:43:47,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:43:47,325 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-03-11 11:43:47,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:43:47,338 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-11 11:43:47,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:43:47,354 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:47,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:47,363 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-03-11 11:43:47,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:43:47,370 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-03-11 11:43:47,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:47,385 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 11:43:47,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:43:47,401 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.1 percent of original size [2021-03-11 11:43:47,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:47,421 INFO L142 QuantifierPusher]: treesize reduction 28, result has 52.5 percent of original size [2021-03-11 11:43:47,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:43:47,441 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-11 11:43:47,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:43:47,453 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-11 11:43:47,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:43:47,481 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-11 11:43:47,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 11:43:47,521 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 11:43:47,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:47,543 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:47,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:47,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:47,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690099733] [2021-03-11 11:43:47,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:47,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:47,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040153774] [2021-03-11 11:43:47,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:47,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:47,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:47,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:47,573 INFO L87 Difference]: Start difference. First operand 162 states and 347 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:48,303 INFO L93 Difference]: Finished difference Result 255 states and 500 transitions. [2021-03-11 11:43:48,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:43:48,303 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:48,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:48,308 INFO L225 Difference]: With dead ends: 255 [2021-03-11 11:43:48,308 INFO L226 Difference]: Without dead ends: 255 [2021-03-11 11:43:48,309 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 586.4ms TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2021-03-11 11:43:48,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-03-11 11:43:48,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 234. [2021-03-11 11:43:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 232 states have (on average 2.038793103448276) internal successors, (473), 233 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 473 transitions. [2021-03-11 11:43:48,313 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 473 transitions. Word has length 22 [2021-03-11 11:43:48,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:48,313 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 473 transitions. [2021-03-11 11:43:48,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 473 transitions. [2021-03-11 11:43:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:48,314 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:48,314 INFO L519 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] [2021-03-11 11:43:48,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 11:43:48,314 INFO L428 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]=== [2021-03-11 11:43:48,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:48,314 INFO L82 PathProgramCache]: Analyzing trace with hash 900375555, now seen corresponding path program 1 times [2021-03-11 11:43:48,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:48,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115619054] [2021-03-11 11:43:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:48,483 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.0 percent of original size [2021-03-11 11:43:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:48,503 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.1 percent of original size [2021-03-11 11:43:48,505 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-11 11:43:48,538 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.7 percent of original size [2021-03-11 11:43:48,538 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-11 11:43:48,546 INFO L142 QuantifierPusher]: treesize reduction 24, result has 61.3 percent of original size [2021-03-11 11:43:48,546 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-03-11 11:43:48,576 INFO L142 QuantifierPusher]: treesize reduction 24, result has 74.2 percent of original size [2021-03-11 11:43:48,576 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-03-11 11:43:48,613 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-03-11 11:43:48,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 11:43:48,630 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-11 11:43:48,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:48,650 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-03-11 11:43:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:48,666 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-11 11:43:48,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:48,684 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:43:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:43:48,695 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:48,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:48,698 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:48,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:48,728 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:48,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:48,747 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:48,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:48,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:48,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115619054] [2021-03-11 11:43:48,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:48,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:48,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83041975] [2021-03-11 11:43:48,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:48,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:48,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:48,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:48,779 INFO L87 Difference]: Start difference. First operand 234 states and 473 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:49,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:49,404 INFO L93 Difference]: Finished difference Result 378 states and 748 transitions. [2021-03-11 11:43:49,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:43:49,404 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:49,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:49,405 INFO L225 Difference]: With dead ends: 378 [2021-03-11 11:43:49,405 INFO L226 Difference]: Without dead ends: 345 [2021-03-11 11:43:49,406 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 438.0ms TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-03-11 11:43:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-03-11 11:43:49,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 242. [2021-03-11 11:43:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 240 states have (on average 2.0375) internal successors, (489), 241 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 489 transitions. [2021-03-11 11:43:49,410 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 489 transitions. Word has length 22 [2021-03-11 11:43:49,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:49,410 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 489 transitions. [2021-03-11 11:43:49,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 489 transitions. [2021-03-11 11:43:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:49,411 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:49,411 INFO L519 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] [2021-03-11 11:43:49,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 11:43:49,411 INFO L428 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]=== [2021-03-11 11:43:49,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:49,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1842921341, now seen corresponding path program 2 times [2021-03-11 11:43:49,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:49,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250454332] [2021-03-11 11:43:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:49,501 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.0 percent of original size [2021-03-11 11:43:49,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:49,520 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.0 percent of original size [2021-03-11 11:43:49,521 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-11 11:43:49,549 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-11 11:43:49,549 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-11 11:43:49,554 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-03-11 11:43:49,555 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-03-11 11:43:49,583 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.7 percent of original size [2021-03-11 11:43:49,585 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-03-11 11:43:49,618 INFO L142 QuantifierPusher]: treesize reduction 18, result has 73.9 percent of original size [2021-03-11 11:43:49,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 11:43:49,635 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:43:49,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:49,651 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:49,668 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:43:49,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:49,688 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:43:49,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:43:49,715 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-11 11:43:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:43:49,732 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-11 11:43:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:43:49,745 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:49,759 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:49,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:49,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250454332] [2021-03-11 11:43:49,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:49,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:49,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393494882] [2021-03-11 11:43:49,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:49,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:49,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:49,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:49,775 INFO L87 Difference]: Start difference. First operand 242 states and 489 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:50,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:50,399 INFO L93 Difference]: Finished difference Result 400 states and 776 transitions. [2021-03-11 11:43:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:43:50,400 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:50,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:50,401 INFO L225 Difference]: With dead ends: 400 [2021-03-11 11:43:50,401 INFO L226 Difference]: Without dead ends: 374 [2021-03-11 11:43:50,401 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 434.9ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:43:50,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-03-11 11:43:50,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 246. [2021-03-11 11:43:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 244 states have (on average 2.028688524590164) internal successors, (495), 245 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 495 transitions. [2021-03-11 11:43:50,406 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 495 transitions. Word has length 22 [2021-03-11 11:43:50,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:50,406 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 495 transitions. [2021-03-11 11:43:50,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 495 transitions. [2021-03-11 11:43:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:50,407 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:50,407 INFO L519 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] [2021-03-11 11:43:50,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 11:43:50,407 INFO L428 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]=== [2021-03-11 11:43:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:50,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1500659353, now seen corresponding path program 3 times [2021-03-11 11:43:50,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:50,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462848789] [2021-03-11 11:43:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:50,496 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.0 percent of original size [2021-03-11 11:43:50,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:50,517 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.0 percent of original size [2021-03-11 11:43:50,517 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-11 11:43:50,545 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-11 11:43:50,546 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-11 11:43:50,551 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-03-11 11:43:50,551 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-03-11 11:43:50,577 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.7 percent of original size [2021-03-11 11:43:50,579 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-03-11 11:43:50,614 INFO L142 QuantifierPusher]: treesize reduction 18, result has 73.9 percent of original size [2021-03-11 11:43:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 11:43:50,630 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:43:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:50,647 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:50,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:50,671 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:43:50,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:50,681 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:43:50,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:43:50,710 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:50,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:50,739 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:50,756 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:50,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:50,772 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:50,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:50,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:50,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462848789] [2021-03-11 11:43:50,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:50,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:50,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94233951] [2021-03-11 11:43:50,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:50,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:50,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:50,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:50,787 INFO L87 Difference]: Start difference. First operand 246 states and 495 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:51,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:51,436 INFO L93 Difference]: Finished difference Result 397 states and 765 transitions. [2021-03-11 11:43:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:43:51,437 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:51,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:51,438 INFO L225 Difference]: With dead ends: 397 [2021-03-11 11:43:51,438 INFO L226 Difference]: Without dead ends: 362 [2021-03-11 11:43:51,438 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 461.7ms TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:43:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-03-11 11:43:51,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 234. [2021-03-11 11:43:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 232 states have (on average 2.021551724137931) internal successors, (469), 233 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 469 transitions. [2021-03-11 11:43:51,457 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 469 transitions. Word has length 22 [2021-03-11 11:43:51,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:51,457 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 469 transitions. [2021-03-11 11:43:51,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 469 transitions. [2021-03-11 11:43:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:51,458 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:51,458 INFO L519 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] [2021-03-11 11:43:51,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 11:43:51,458 INFO L428 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]=== [2021-03-11 11:43:51,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:51,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2025067493, now seen corresponding path program 4 times [2021-03-11 11:43:51,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:51,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797926019] [2021-03-11 11:43:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:51,570 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.0 percent of original size [2021-03-11 11:43:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:51,591 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.1 percent of original size [2021-03-11 11:43:51,591 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-11 11:43:51,621 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.7 percent of original size [2021-03-11 11:43:51,622 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-11 11:43:51,628 INFO L142 QuantifierPusher]: treesize reduction 24, result has 61.3 percent of original size [2021-03-11 11:43:51,628 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-03-11 11:43:51,654 INFO L142 QuantifierPusher]: treesize reduction 24, result has 74.2 percent of original size [2021-03-11 11:43:51,655 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-03-11 11:43:51,687 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-03-11 11:43:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 11:43:51,708 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-11 11:43:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:51,725 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-11 11:43:51,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:51,758 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-11 11:43:51,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:51,783 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:43:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:43:51,795 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:51,796 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:51,825 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:51,841 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:51,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:51,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:51,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:51,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797926019] [2021-03-11 11:43:51,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:51,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:51,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011245498] [2021-03-11 11:43:51,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:51,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:51,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:51,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:51,871 INFO L87 Difference]: Start difference. First operand 234 states and 469 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:52,441 INFO L93 Difference]: Finished difference Result 382 states and 731 transitions. [2021-03-11 11:43:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:43:52,441 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:52,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:52,442 INFO L225 Difference]: With dead ends: 382 [2021-03-11 11:43:52,442 INFO L226 Difference]: Without dead ends: 336 [2021-03-11 11:43:52,443 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 442.6ms TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-03-11 11:43:52,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-03-11 11:43:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 226. [2021-03-11 11:43:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 224 states have (on average 2.0223214285714284) internal successors, (453), 225 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 453 transitions. [2021-03-11 11:43:52,447 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 453 transitions. Word has length 22 [2021-03-11 11:43:52,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:52,447 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 453 transitions. [2021-03-11 11:43:52,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:52,448 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 453 transitions. [2021-03-11 11:43:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:52,448 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:52,448 INFO L519 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] [2021-03-11 11:43:52,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 11:43:52,448 INFO L428 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]=== [2021-03-11 11:43:52,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:52,449 INFO L82 PathProgramCache]: Analyzing trace with hash -549225025, now seen corresponding path program 5 times [2021-03-11 11:43:52,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:52,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247848206] [2021-03-11 11:43:52,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:52,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:52,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 11:43:52,504 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-03-11 11:43:52,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:43:52,529 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-11 11:43:52,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:43:52,533 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-11 11:43:52,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:43:52,535 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-11 11:43:52,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:52,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:52,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:52,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247848206] [2021-03-11 11:43:52,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:52,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:43:52,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774494114] [2021-03-11 11:43:52,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:43:52,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:52,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:43:52,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:43:52,538 INFO L87 Difference]: Start difference. First operand 226 states and 453 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:52,562 INFO L93 Difference]: Finished difference Result 266 states and 512 transitions. [2021-03-11 11:43:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 11:43:52,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:52,564 INFO L225 Difference]: With dead ends: 266 [2021-03-11 11:43:52,564 INFO L226 Difference]: Without dead ends: 266 [2021-03-11 11:43:52,564 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:43:52,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-03-11 11:43:52,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2021-03-11 11:43:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 224 states have (on average 1.9642857142857142) internal successors, (440), 225 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 440 transitions. [2021-03-11 11:43:52,568 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 440 transitions. Word has length 22 [2021-03-11 11:43:52,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:52,568 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 440 transitions. [2021-03-11 11:43:52,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 440 transitions. [2021-03-11 11:43:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:52,568 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:52,568 INFO L519 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] [2021-03-11 11:43:52,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 11:43:52,569 INFO L428 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]=== [2021-03-11 11:43:52,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:52,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1709308059, now seen corresponding path program 6 times [2021-03-11 11:43:52,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:52,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487582611] [2021-03-11 11:43:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:52,687 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-03-11 11:43:52,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:52,706 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-03-11 11:43:52,707 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-11 11:43:52,734 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-03-11 11:43:52,735 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 11:43:52,740 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-03-11 11:43:52,740 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-11 11:43:52,763 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-11 11:43:52,765 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-11 11:43:52,789 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-03-11 11:43:52,789 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-11 11:43:52,818 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 11:43:52,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:52,837 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-03-11 11:43:52,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:52,853 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:43:52,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:43:52,864 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:52,865 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:52,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:52,904 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:52,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:52,920 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:52,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:52,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:52,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487582611] [2021-03-11 11:43:52,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:52,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:43:52,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641406230] [2021-03-11 11:43:52,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 11:43:52,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:52,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 11:43:52,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:43:52,955 INFO L87 Difference]: Start difference. First operand 226 states and 440 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:53,344 INFO L93 Difference]: Finished difference Result 260 states and 489 transitions. [2021-03-11 11:43:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:43:53,345 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:53,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:53,345 INFO L225 Difference]: With dead ends: 260 [2021-03-11 11:43:53,345 INFO L226 Difference]: Without dead ends: 225 [2021-03-11 11:43:53,346 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 378.8ms TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-03-11 11:43:53,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-03-11 11:43:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-03-11 11:43:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 223 states have (on average 1.9641255605381165) internal successors, (438), 224 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 438 transitions. [2021-03-11 11:43:53,349 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 438 transitions. Word has length 22 [2021-03-11 11:43:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:53,349 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 438 transitions. [2021-03-11 11:43:53,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 438 transitions. [2021-03-11 11:43:53,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:53,350 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:53,350 INFO L519 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] [2021-03-11 11:43:53,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 11:43:53,350 INFO L428 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]=== [2021-03-11 11:43:53,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:53,350 INFO L82 PathProgramCache]: Analyzing trace with hash 222524259, now seen corresponding path program 7 times [2021-03-11 11:43:53,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:53,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056790427] [2021-03-11 11:43:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:53,415 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-03-11 11:43:53,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:53,436 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-03-11 11:43:53,437 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-11 11:43:53,469 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.4 percent of original size [2021-03-11 11:43:53,470 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-11 11:43:53,475 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.1 percent of original size [2021-03-11 11:43:53,476 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-11 11:43:53,481 INFO L142 QuantifierPusher]: treesize reduction 21, result has 66.1 percent of original size [2021-03-11 11:43:53,482 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-11 11:43:53,510 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-03-11 11:43:53,510 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-11 11:43:53,537 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-03-11 11:43:53,538 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-11 11:43:53,571 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 11:43:53,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:53,588 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-03-11 11:43:53,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:53,605 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:43:53,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:43:53,616 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:53,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:53,617 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:53,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:53,647 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:53,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:53,681 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:53,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:53,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:53,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056790427] [2021-03-11 11:43:53,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:53,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:43:53,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951974895] [2021-03-11 11:43:53,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 11:43:53,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:53,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 11:43:53,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:43:53,710 INFO L87 Difference]: Start difference. First operand 225 states and 438 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:54,226 INFO L93 Difference]: Finished difference Result 319 states and 600 transitions. [2021-03-11 11:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:43:54,227 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:54,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:54,228 INFO L225 Difference]: With dead ends: 319 [2021-03-11 11:43:54,228 INFO L226 Difference]: Without dead ends: 285 [2021-03-11 11:43:54,228 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 441.3ms TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-11 11:43:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-03-11 11:43:54,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 222. [2021-03-11 11:43:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 220 states have (on average 1.9636363636363636) internal successors, (432), 221 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 432 transitions. [2021-03-11 11:43:54,232 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 432 transitions. Word has length 22 [2021-03-11 11:43:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:54,232 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 432 transitions. [2021-03-11 11:43:54,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 432 transitions. [2021-03-11 11:43:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:54,232 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:54,232 INFO L519 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] [2021-03-11 11:43:54,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 11:43:54,233 INFO L428 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]=== [2021-03-11 11:43:54,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:54,233 INFO L82 PathProgramCache]: Analyzing trace with hash -931070985, now seen corresponding path program 8 times [2021-03-11 11:43:54,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:54,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817482845] [2021-03-11 11:43:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:54,297 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-03-11 11:43:54,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:54,317 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-03-11 11:43:54,318 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-11 11:43:54,362 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.4 percent of original size [2021-03-11 11:43:54,362 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-11 11:43:54,368 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.1 percent of original size [2021-03-11 11:43:54,368 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-11 11:43:54,374 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-03-11 11:43:54,374 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 11:43:54,401 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-03-11 11:43:54,402 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-11 11:43:54,430 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-03-11 11:43:54,430 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-11 11:43:54,464 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 11:43:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:54,481 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-03-11 11:43:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:54,503 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:43:54,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:43:54,514 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:54,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:54,515 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:54,545 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:54,562 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:54,576 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:54,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:54,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817482845] [2021-03-11 11:43:54,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:54,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:43:54,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112876100] [2021-03-11 11:43:54,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 11:43:54,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:54,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 11:43:54,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:43:54,598 INFO L87 Difference]: Start difference. First operand 222 states and 432 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:55,142 INFO L93 Difference]: Finished difference Result 325 states and 592 transitions. [2021-03-11 11:43:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:43:55,142 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:55,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:55,143 INFO L225 Difference]: With dead ends: 325 [2021-03-11 11:43:55,143 INFO L226 Difference]: Without dead ends: 289 [2021-03-11 11:43:55,143 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 451.7ms TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-03-11 11:43:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-03-11 11:43:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 244. [2021-03-11 11:43:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 242 states have (on average 1.9132231404958677) internal successors, (463), 243 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 463 transitions. [2021-03-11 11:43:55,147 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 463 transitions. Word has length 22 [2021-03-11 11:43:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:55,147 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 463 transitions. [2021-03-11 11:43:55,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 463 transitions. [2021-03-11 11:43:55,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:55,148 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:55,148 INFO L519 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] [2021-03-11 11:43:55,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 11:43:55,148 INFO L428 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]=== [2021-03-11 11:43:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:55,148 INFO L82 PathProgramCache]: Analyzing trace with hash 764500867, now seen corresponding path program 2 times [2021-03-11 11:43:55,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:55,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898149290] [2021-03-11 11:43:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:55,218 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:55,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:55,225 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:55,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:55,237 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 11:43:55,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:55,266 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:55,300 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.1 percent of original size [2021-03-11 11:43:55,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 11:43:55,308 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-11 11:43:55,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:43:55,316 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 11:43:55,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:55,339 INFO L142 QuantifierPusher]: treesize reduction 28, result has 52.5 percent of original size [2021-03-11 11:43:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:43:55,356 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-11 11:43:55,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:43:55,365 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-11 11:43:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:43:55,391 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-11 11:43:55,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 11:43:55,416 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 11:43:55,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:43:55,437 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:55,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:55,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:55,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:55,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898149290] [2021-03-11 11:43:55,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:55,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:43:55,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199298309] [2021-03-11 11:43:55,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 11:43:55,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:55,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 11:43:55,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:43:55,473 INFO L87 Difference]: Start difference. First operand 244 states and 463 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:55,819 INFO L93 Difference]: Finished difference Result 392 states and 716 transitions. [2021-03-11 11:43:55,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 11:43:55,819 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:55,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:55,820 INFO L225 Difference]: With dead ends: 392 [2021-03-11 11:43:55,820 INFO L226 Difference]: Without dead ends: 355 [2021-03-11 11:43:55,821 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 366.1ms TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-03-11 11:43:55,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-03-11 11:43:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 207. [2021-03-11 11:43:55,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 205 states have (on average 1.9804878048780488) internal successors, (406), 206 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 406 transitions. [2021-03-11 11:43:55,824 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 406 transitions. Word has length 22 [2021-03-11 11:43:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:55,824 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 406 transitions. [2021-03-11 11:43:55,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 406 transitions. [2021-03-11 11:43:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:55,825 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:55,825 INFO L519 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] [2021-03-11 11:43:55,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 11:43:55,825 INFO L428 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]=== [2021-03-11 11:43:55,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:55,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1955573575, now seen corresponding path program 9 times [2021-03-11 11:43:55,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:55,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300263539] [2021-03-11 11:43:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:55,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 11:43:55,874 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-03-11 11:43:55,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:43:55,896 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-11 11:43:55,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:43:55,898 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-11 11:43:55,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:43:55,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:55,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:55,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:55,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300263539] [2021-03-11 11:43:55,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:55,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:43:55,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285510665] [2021-03-11 11:43:55,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:43:55,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:55,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:43:55,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:43:55,902 INFO L87 Difference]: Start difference. First operand 207 states and 406 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:55,925 INFO L93 Difference]: Finished difference Result 119 states and 186 transitions. [2021-03-11 11:43:55,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 11:43:55,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:55,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:55,926 INFO L225 Difference]: With dead ends: 119 [2021-03-11 11:43:55,926 INFO L226 Difference]: Without dead ends: 119 [2021-03-11 11:43:55,926 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:43:55,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-03-11 11:43:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-03-11 11:43:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.5897435897435896) internal successors, (186), 118 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 186 transitions. [2021-03-11 11:43:55,928 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 186 transitions. Word has length 22 [2021-03-11 11:43:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:55,928 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 186 transitions. [2021-03-11 11:43:55,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2021-03-11 11:43:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:55,929 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:55,929 INFO L519 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] [2021-03-11 11:43:55,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 11:43:55,929 INFO L428 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]=== [2021-03-11 11:43:55,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:55,929 INFO L82 PathProgramCache]: Analyzing trace with hash -569072269, now seen corresponding path program 1 times [2021-03-11 11:43:55,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:55,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797294673] [2021-03-11 11:43:55,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:55,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 11:43:55,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 11:43:55,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:55,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:43:55,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:55,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:55,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797294673] [2021-03-11 11:43:55,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:55,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 11:43:55,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480512056] [2021-03-11 11:43:55,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 11:43:55,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:55,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 11:43:55,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:43:55,983 INFO L87 Difference]: Start difference. First operand 119 states and 186 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:56,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:56,059 INFO L93 Difference]: Finished difference Result 112 states and 163 transitions. [2021-03-11 11:43:56,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 11:43:56,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:56,060 INFO L225 Difference]: With dead ends: 112 [2021-03-11 11:43:56,060 INFO L226 Difference]: Without dead ends: 112 [2021-03-11 11:43:56,060 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 11:43:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-03-11 11:43:56,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2021-03-11 11:43:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 109 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2021-03-11 11:43:56,062 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 22 [2021-03-11 11:43:56,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:56,062 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2021-03-11 11:43:56,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2021-03-11 11:43:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:56,062 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:56,062 INFO L519 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] [2021-03-11 11:43:56,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 11:43:56,062 INFO L428 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]=== [2021-03-11 11:43:56,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:56,063 INFO L82 PathProgramCache]: Analyzing trace with hash 189221905, now seen corresponding path program 10 times [2021-03-11 11:43:56,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:56,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263386933] [2021-03-11 11:43:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:56,155 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-03-11 11:43:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:43:56,174 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-11 11:43:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:43:56,195 INFO L142 QuantifierPusher]: treesize reduction 24, result has 69.6 percent of original size [2021-03-11 11:43:56,197 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-11 11:43:56,224 INFO L142 QuantifierPusher]: treesize reduction 24, result has 69.2 percent of original size [2021-03-11 11:43:56,226 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.9 percent of original size 48 [2021-03-11 11:43:56,253 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.1 percent of original size [2021-03-11 11:43:56,254 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-11 11:43:56,260 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-03-11 11:43:56,266 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 11:43:56,292 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-03-11 11:43:56,293 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size 52 [2021-03-11 11:43:56,327 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-11 11:43:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 11:43:56,354 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:43:56,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:43:56,372 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:56,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:56,382 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:56,407 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:56,424 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:56,438 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:56,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:56,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263386933] [2021-03-11 11:43:56,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:56,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:56,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556834193] [2021-03-11 11:43:56,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:56,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:56,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:56,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:56,463 INFO L87 Difference]: Start difference. First operand 110 states and 161 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:56,951 INFO L93 Difference]: Finished difference Result 141 states and 207 transitions. [2021-03-11 11:43:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 11:43:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:56,953 INFO L225 Difference]: With dead ends: 141 [2021-03-11 11:43:56,953 INFO L226 Difference]: Without dead ends: 99 [2021-03-11 11:43:56,953 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 485.3ms TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:43:56,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-03-11 11:43:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-03-11 11:43:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 97 states have (on average 1.5257731958762886) internal successors, (148), 98 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:56,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 148 transitions. [2021-03-11 11:43:56,954 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 148 transitions. Word has length 22 [2021-03-11 11:43:56,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:56,955 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 148 transitions. [2021-03-11 11:43:56,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2021-03-11 11:43:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:56,955 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:56,955 INFO L519 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] [2021-03-11 11:43:56,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 11:43:56,955 INFO L428 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]=== [2021-03-11 11:43:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:56,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1630501663, now seen corresponding path program 2 times [2021-03-11 11:43:56,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:56,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420533434] [2021-03-11 11:43:56,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:57,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:43:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 11:43:57,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 11:43:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:43:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:43:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:43:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:57,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:57,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:57,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 11:43:57,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:57,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:57,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:43:57,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:43:57,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:43:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:57,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420533434] [2021-03-11 11:43:57,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:57,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 11:43:57,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80744864] [2021-03-11 11:43:57,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 11:43:57,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:57,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 11:43:57,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-11 11:43:57,122 INFO L87 Difference]: Start difference. First operand 99 states and 148 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:57,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:57,538 INFO L93 Difference]: Finished difference Result 99 states and 147 transitions. [2021-03-11 11:43:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:43:57,539 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:57,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:57,539 INFO L225 Difference]: With dead ends: 99 [2021-03-11 11:43:57,539 INFO L226 Difference]: Without dead ends: 81 [2021-03-11 11:43:57,540 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 343.8ms TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:43:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-03-11 11:43:57,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-03-11 11:43:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 80 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 114 transitions. [2021-03-11 11:43:57,541 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 114 transitions. Word has length 22 [2021-03-11 11:43:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:57,541 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 114 transitions. [2021-03-11 11:43:57,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2021-03-11 11:43:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:57,542 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:57,542 INFO L519 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] [2021-03-11 11:43:57,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 11:43:57,542 INFO L428 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]=== [2021-03-11 11:43:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1906171459, now seen corresponding path program 11 times [2021-03-11 11:43:57,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:57,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853093948] [2021-03-11 11:43:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:57,609 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-03-11 11:43:57,611 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:43:57,634 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-03-11 11:43:57,635 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.0 percent of original size 54 [2021-03-11 11:43:57,663 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-03-11 11:43:57,664 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-11 11:43:57,704 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-11 11:43:57,706 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size 53 [2021-03-11 11:43:57,712 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-11 11:43:57,712 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-11 11:43:57,747 INFO L142 QuantifierPusher]: treesize reduction 38, result has 64.2 percent of original size [2021-03-11 11:43:57,747 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:43:57,789 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:43:57,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:57,805 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:57,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:57,822 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:43:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:57,832 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:43:57,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:43:57,858 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:57,886 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:57,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:57,903 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:57,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:57,919 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:57,919 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:57,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853093948] [2021-03-11 11:43:57,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:57,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:57,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165956685] [2021-03-11 11:43:57,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:57,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:57,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:57,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:57,935 INFO L87 Difference]: Start difference. First operand 81 states and 114 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:58,468 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2021-03-11 11:43:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:43:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:58,469 INFO L225 Difference]: With dead ends: 91 [2021-03-11 11:43:58,469 INFO L226 Difference]: Without dead ends: 83 [2021-03-11 11:43:58,470 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 549.8ms TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:43:58,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-03-11 11:43:58,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2021-03-11 11:43:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 80 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 113 transitions. [2021-03-11 11:43:58,471 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 113 transitions. Word has length 22 [2021-03-11 11:43:58,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:58,471 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 113 transitions. [2021-03-11 11:43:58,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-03-11 11:43:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:58,472 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:58,472 INFO L519 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] [2021-03-11 11:43:58,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 11:43:58,472 INFO L428 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]=== [2021-03-11 11:43:58,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:58,472 INFO L82 PathProgramCache]: Analyzing trace with hash 770834945, now seen corresponding path program 12 times [2021-03-11 11:43:58,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:58,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739792598] [2021-03-11 11:43:58,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:58,535 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-03-11 11:43:58,536 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:43:58,560 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-03-11 11:43:58,561 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.0 percent of original size 54 [2021-03-11 11:43:58,587 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-03-11 11:43:58,587 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-11 11:43:58,627 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-11 11:43:58,628 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size 53 [2021-03-11 11:43:58,634 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-11 11:43:58,635 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-11 11:43:58,669 INFO L142 QuantifierPusher]: treesize reduction 38, result has 64.2 percent of original size [2021-03-11 11:43:58,670 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:43:58,712 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:43:58,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:58,729 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:58,746 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:43:58,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:58,755 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:43:58,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:43:58,781 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-11 11:43:58,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:43:58,798 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-11 11:43:58,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:43:58,813 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:58,829 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:58,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:58,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:58,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:58,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739792598] [2021-03-11 11:43:58,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:58,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:58,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514514519] [2021-03-11 11:43:58,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:58,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:58,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:58,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:58,846 INFO L87 Difference]: Start difference. First operand 81 states and 113 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:43:59,290 INFO L93 Difference]: Finished difference Result 90 states and 121 transitions. [2021-03-11 11:43:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 11:43:59,291 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:43:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:43:59,291 INFO L225 Difference]: With dead ends: 90 [2021-03-11 11:43:59,291 INFO L226 Difference]: Without dead ends: 77 [2021-03-11 11:43:59,291 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 499.4ms TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:43:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-03-11 11:43:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-03-11 11:43:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions. [2021-03-11 11:43:59,293 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 22 [2021-03-11 11:43:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:43:59,293 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 102 transitions. [2021-03-11 11:43:59,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:43:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2021-03-11 11:43:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:43:59,293 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:43:59,293 INFO L519 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] [2021-03-11 11:43:59,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 11:43:59,294 INFO L428 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]=== [2021-03-11 11:43:59,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:43:59,294 INFO L82 PathProgramCache]: Analyzing trace with hash -245340757, now seen corresponding path program 13 times [2021-03-11 11:43:59,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:43:59,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542285332] [2021-03-11 11:43:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:43:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:43:59,356 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-03-11 11:43:59,356 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:43:59,389 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-03-11 11:43:59,389 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.0 percent of original size 54 [2021-03-11 11:43:59,413 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-03-11 11:43:59,414 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-11 11:43:59,454 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-11 11:43:59,454 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size 53 [2021-03-11 11:43:59,461 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-11 11:43:59,461 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-11 11:43:59,496 INFO L142 QuantifierPusher]: treesize reduction 38, result has 64.2 percent of original size [2021-03-11 11:43:59,497 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:43:59,539 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:43:59,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:43:59,556 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-11 11:43:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 11:43:59,573 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:43:59,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:43:59,583 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:43:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:43:59,601 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:43:59,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:43:59,629 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:43:59,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:43:59,646 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:59,662 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:43:59,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:43:59,663 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:43:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:43:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:43:59,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542285332] [2021-03-11 11:43:59,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:43:59,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:43:59,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915405641] [2021-03-11 11:43:59,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:43:59,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:43:59,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:43:59,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:43:59,679 INFO L87 Difference]: Start difference. First operand 75 states and 102 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:44:00,199 INFO L93 Difference]: Finished difference Result 85 states and 111 transitions. [2021-03-11 11:44:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 11:44:00,200 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:44:00,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:44:00,200 INFO L225 Difference]: With dead ends: 85 [2021-03-11 11:44:00,200 INFO L226 Difference]: Without dead ends: 71 [2021-03-11 11:44:00,200 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 569.9ms TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:44:00,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-03-11 11:44:00,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-03-11 11:44:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 94 transitions. [2021-03-11 11:44:00,201 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 94 transitions. Word has length 22 [2021-03-11 11:44:00,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:44:00,202 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 94 transitions. [2021-03-11 11:44:00,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2021-03-11 11:44:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:44:00,202 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:44:00,202 INFO L519 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] [2021-03-11 11:44:00,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 11:44:00,202 INFO L428 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]=== [2021-03-11 11:44:00,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:44:00,203 INFO L82 PathProgramCache]: Analyzing trace with hash 5986263, now seen corresponding path program 14 times [2021-03-11 11:44:00,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:44:00,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002664442] [2021-03-11 11:44:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:44:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:44:00,266 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-11 11:44:00,267 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-11 11:44:00,288 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-11 11:44:00,289 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-11 11:44:00,308 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-03-11 11:44:00,309 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-11 11:44:00,352 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-11 11:44:00,352 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size 53 [2021-03-11 11:44:00,359 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-11 11:44:00,359 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-11 11:44:00,394 INFO L142 QuantifierPusher]: treesize reduction 38, result has 64.2 percent of original size [2021-03-11 11:44:00,395 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-11 11:44:00,437 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-11 11:44:00,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:44:00,453 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 11:44:00,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:44:00,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:44:00,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:44:00,490 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:44:00,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:44:00,501 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:44:00,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:44:00,529 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:44:00,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:44:00,547 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:00,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:00,563 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:00,564 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:44:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:44:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:44:00,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002664442] [2021-03-11 11:44:00,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:44:00,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:44:00,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977673603] [2021-03-11 11:44:00,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:44:00,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:44:00,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:44:00,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:44:00,589 INFO L87 Difference]: Start difference. First operand 71 states and 94 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:01,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:44:01,134 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2021-03-11 11:44:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:44:01,135 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:44:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:44:01,135 INFO L225 Difference]: With dead ends: 83 [2021-03-11 11:44:01,135 INFO L226 Difference]: Without dead ends: 67 [2021-03-11 11:44:01,135 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 614.4ms TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-03-11 11:44:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-03-11 11:44:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-03-11 11:44:01,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.323076923076923) internal successors, (86), 66 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2021-03-11 11:44:01,137 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 22 [2021-03-11 11:44:01,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:44:01,137 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2021-03-11 11:44:01,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-03-11 11:44:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:44:01,137 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:44:01,137 INFO L519 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] [2021-03-11 11:44:01,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 11:44:01,137 INFO L428 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]=== [2021-03-11 11:44:01,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:44:01,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1391082125, now seen corresponding path program 15 times [2021-03-11 11:44:01,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:44:01,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697511578] [2021-03-11 11:44:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:44:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:44:01,195 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-11 11:44:01,195 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-11 11:44:01,212 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-11 11:44:01,212 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-11 11:44:01,230 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-03-11 11:44:01,230 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-11 11:44:01,268 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-11 11:44:01,269 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size 53 [2021-03-11 11:44:01,275 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-11 11:44:01,276 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-11 11:44:01,309 INFO L142 QuantifierPusher]: treesize reduction 38, result has 57.8 percent of original size [2021-03-11 11:44:01,313 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-11 11:44:01,349 INFO L142 QuantifierPusher]: treesize reduction 38, result has 63.8 percent of original size [2021-03-11 11:44:01,349 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size 61 [2021-03-11 11:44:01,391 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 11:44:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:44:01,407 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:44:01,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:44:01,424 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:44:01,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:44:01,444 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:44:01,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:44:01,470 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:44:01,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:44:01,487 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:01,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:01,503 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:01,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:01,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:44:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:44:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:44:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697511578] [2021-03-11 11:44:01,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:44:01,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:44:01,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797155851] [2021-03-11 11:44:01,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:44:01,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:44:01,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:44:01,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:44:01,519 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:44:01,988 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2021-03-11 11:44:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:44:01,988 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:44:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:44:01,988 INFO L225 Difference]: With dead ends: 67 [2021-03-11 11:44:01,988 INFO L226 Difference]: Without dead ends: 48 [2021-03-11 11:44:01,989 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 530.1ms TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:44:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-03-11 11:44:01,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-03-11 11:44:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2021-03-11 11:44:01,990 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 22 [2021-03-11 11:44:01,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:44:01,990 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2021-03-11 11:44:01,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2021-03-11 11:44:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:44:01,990 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:44:01,990 INFO L519 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] [2021-03-11 11:44:01,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 11:44:01,990 INFO L428 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]=== [2021-03-11 11:44:01,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:44:01,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1675144479, now seen corresponding path program 3 times [2021-03-11 11:44:01,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:44:01,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602012276] [2021-03-11 11:44:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:44:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:44:02,038 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:02,045 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-03-11 11:44:02,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 11:44:02,052 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-11 11:44:02,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 11:44:02,067 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-11 11:44:02,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:44:02,083 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-03-11 11:44:02,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 11:44:02,090 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-11 11:44:02,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:44:02,091 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-11 11:44:02,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:44:02,104 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-11 11:44:02,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 11:44:02,130 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-11 11:44:02,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 11:44:02,154 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-11 11:44:02,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 11:44:02,177 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 11:44:02,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:44:02,198 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:02,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:02,211 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:02,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:44:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:44:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:44:02,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602012276] [2021-03-11 11:44:02,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:44:02,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:44:02,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887003380] [2021-03-11 11:44:02,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 11:44:02,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:44:02,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 11:44:02,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-03-11 11:44:02,226 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:02,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:44:02,522 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2021-03-11 11:44:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 11:44:02,522 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:44:02,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:44:02,523 INFO L225 Difference]: With dead ends: 47 [2021-03-11 11:44:02,523 INFO L226 Difference]: Without dead ends: 47 [2021-03-11 11:44:02,523 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 334.5ms TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:44:02,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-03-11 11:44:02,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-03-11 11:44:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 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) [2021-03-11 11:44:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2021-03-11 11:44:02,524 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 22 [2021-03-11 11:44:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:44:02,524 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-03-11 11:44:02,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2021-03-11 11:44:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:44:02,524 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:44:02,525 INFO L519 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] [2021-03-11 11:44:02,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 11:44:02,525 INFO L428 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]=== [2021-03-11 11:44:02,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:44:02,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1675144455, now seen corresponding path program 16 times [2021-03-11 11:44:02,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:44:02,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106673716] [2021-03-11 11:44:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:44:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:44:02,574 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:44:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:44:02,584 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-11 11:44:02,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:44:02,594 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-11 11:44:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:44:02,604 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-11 11:44:02,605 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-11 11:44:02,634 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-11 11:44:02,634 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-11 11:44:02,641 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-11 11:44:02,642 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-11 11:44:02,667 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-03-11 11:44:02,667 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-11 11:44:02,698 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-11 11:44:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:44:02,715 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:44:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:44:02,734 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:44:02,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:44:02,745 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:44:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:44:02,771 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:44:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:44:02,788 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:02,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:02,804 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:02,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:02,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:44:02,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:44:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:44:02,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106673716] [2021-03-11 11:44:02,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:44:02,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:44:02,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338138464] [2021-03-11 11:44:02,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:44:02,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:44:02,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:44:02,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:44:02,820 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:44:03,224 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2021-03-11 11:44:03,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 11:44:03,225 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:44:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:44:03,225 INFO L225 Difference]: With dead ends: 53 [2021-03-11 11:44:03,225 INFO L226 Difference]: Without dead ends: 38 [2021-03-11 11:44:03,225 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 427.9ms TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:44:03,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-03-11 11:44:03,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-03-11 11:44:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-03-11 11:44:03,226 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 22 [2021-03-11 11:44:03,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:44:03,226 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-03-11 11:44:03,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-03-11 11:44:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-03-11 11:44:03,227 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:44:03,227 INFO L519 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] [2021-03-11 11:44:03,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 11:44:03,227 INFO L428 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]=== [2021-03-11 11:44:03,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:44:03,227 INFO L82 PathProgramCache]: Analyzing trace with hash 456279415, now seen corresponding path program 17 times [2021-03-11 11:44:03,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:44:03,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357764308] [2021-03-11 11:44:03,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:44:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:44:03,287 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-03-11 11:44:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:44:03,296 INFO L142 QuantifierPusher]: treesize reduction 15, result has 63.4 percent of original size [2021-03-11 11:44:03,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 11:44:03,305 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-03-11 11:44:03,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:44:03,314 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.0 percent of original size [2021-03-11 11:44:03,315 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.3 percent of original size 50 [2021-03-11 11:44:03,349 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-11 11:44:03,349 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.2 percent of original size 45 [2021-03-11 11:44:03,357 INFO L142 QuantifierPusher]: treesize reduction 24, result has 65.2 percent of original size [2021-03-11 11:44:03,357 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-03-11 11:44:03,388 INFO L142 QuantifierPusher]: treesize reduction 24, result has 71.8 percent of original size [2021-03-11 11:44:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-11 11:44:03,425 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-11 11:44:03,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:44:03,453 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-11 11:44:03,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:44:03,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-11 11:44:03,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 11:44:03,482 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:44:03,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:44:03,483 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:44:03,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:44:03,514 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:44:03,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:44:03,532 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:44:03,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:44:03,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:44:03,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:44:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:44:03,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357764308] [2021-03-11 11:44:03,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:44:03,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:44:03,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464062508] [2021-03-11 11:44:03,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:44:03,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:44:03,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:44:03,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:44:03,564 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:03,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:44:03,939 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2021-03-11 11:44:03,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 11:44:03,939 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-03-11 11:44:03,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:44:03,940 INFO L225 Difference]: With dead ends: 37 [2021-03-11 11:44:03,940 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 11:44:03,940 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 457.6ms TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-03-11 11:44:03,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 11:44:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 11:44:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 11:44:03,940 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-03-11 11:44:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:44:03,940 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 11:44:03,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:44:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 11:44:03,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 11:44:03,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-11 11:44:03,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 11:44:03 BasicIcfg [2021-03-11 11:44:03,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 11:44:03,943 INFO L168 Benchmark]: Toolchain (without parser) took 89158.59 ms. Allocated memory was 255.9 MB in the beginning and 469.8 MB in the end (delta: 213.9 MB). Free memory was 235.2 MB in the beginning and 206.5 MB in the end (delta: 28.8 MB). Peak memory consumption was 240.6 MB. Max. memory is 16.0 GB. [2021-03-11 11:44:03,943 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:44:03,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.65 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 234.1 MB in the beginning and 356.6 MB in the end (delta: -122.5 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.0 GB. [2021-03-11 11:44:03,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.27 ms. Allocated memory is still 385.9 MB. Free memory was 356.6 MB in the beginning and 353.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:44:03,944 INFO L168 Benchmark]: Boogie Preprocessor took 23.59 ms. Allocated memory is still 385.9 MB. Free memory was 353.5 MB in the beginning and 350.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:44:03,944 INFO L168 Benchmark]: RCFGBuilder took 528.91 ms. Allocated memory is still 385.9 MB. Free memory was 350.3 MB in the beginning and 303.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-11 11:44:03,944 INFO L168 Benchmark]: TraceAbstraction took 87929.65 ms. Allocated memory was 385.9 MB in the beginning and 469.8 MB in the end (delta: 83.9 MB). Free memory was 303.1 MB in the beginning and 206.5 MB in the end (delta: 96.7 MB). Peak memory consumption was 179.5 MB. Max. memory is 16.0 GB. [2021-03-11 11:44:03,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 624.65 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 234.1 MB in the beginning and 356.6 MB in the end (delta: -122.5 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.27 ms. Allocated memory is still 385.9 MB. Free memory was 356.6 MB in the beginning and 353.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.59 ms. Allocated memory is still 385.9 MB. Free memory was 353.5 MB in the beginning and 350.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 528.91 ms. Allocated memory is still 385.9 MB. Free memory was 350.3 MB in the beginning and 303.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 87929.65 ms. Allocated memory was 385.9 MB in the beginning and 469.8 MB in the end (delta: 83.9 MB). Free memory was 303.1 MB in the beginning and 206.5 MB in the end (delta: 96.7 MB). Peak memory consumption was 179.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70282.0ms, 160 PlacesBefore, 40 PlacesAfterwards, 164 TransitionsBefore, 38 TransitionsAfterwards, 2756 CoEnabledTransitionPairs, 8 FixpointIterations, 98 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 16 ConcurrentYvCompositions, 6 ChoiceCompositions, 184 TotalNumberOfCompositions, 7061 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3027, positive: 2778, positive conditional: 0, positive unconditional: 2778, negative: 249, negative conditional: 0, negative unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1915, positive: 1854, positive conditional: 0, positive unconditional: 1854, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1915, positive: 1849, positive conditional: 0, positive unconditional: 1849, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54651, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 734, negative conditional: 0, negative unconditional: 734, unknown: 53888, unknown conditional: 0, unknown unconditional: 53888] ], Cache Queries: [ total: 3027, positive: 924, positive conditional: 0, positive unconditional: 924, negative: 188, negative conditional: 0, negative unconditional: 188, unknown: 1915, unknown conditional: 0, unknown unconditional: 1915] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 87857.4ms, OverallIterations: 26, TraceHistogramMax: 1, EmptinessCheckTime: 19.4ms, AutomataDifference: 9876.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 70334.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 647 SDtfs, 1053 SDslu, 2413 SDs, 0 SdLazy, 6389 SolverSat, 552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4662.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 27 SyntacticMatches, 53 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 810 ImplicationChecksByTransitivity, 8926.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=3, InterpolantAutomatonStates: 257, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 137.3ms AutomataMinimizationTime, 26 MinimizatonAttempts, 824 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.2ms SsaConstructionTime, 514.0ms SatisfiabilityAnalysisTime, 6602.0ms InterpolantComputationTime, 506 NumberOfCodeBlocks, 506 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 11857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 proved your program to be correct! Received shutdown request...