/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 03:29:51,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 03:29:51,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 03:29:52,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 03:29:52,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 03:29:52,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 03:29:52,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 03:29:52,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 03:29:52,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 03:29:52,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 03:29:52,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 03:29:52,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 03:29:52,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 03:29:52,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 03:29:52,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 03:29:52,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 03:29:52,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 03:29:52,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 03:29:52,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 03:29:52,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 03:29:52,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 03:29:52,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 03:29:52,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 03:29:52,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 03:29:52,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 03:29:52,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 03:29:52,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 03:29:52,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 03:29:52,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 03:29:52,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 03:29:52,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 03:29:52,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 03:29:52,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 03:29:52,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 03:29:52,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 03:29:52,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 03:29:52,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2020-11-12 03:29:52,157 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 03:29:52,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 03:29:52,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 03:29:52,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 03:29:52,161 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 03:29:52,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 03:29:52,162 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 03:29:52,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 03:29:52,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 03:29:52,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 03:29:52,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 03:29:52,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 03:29:52,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 03:29:52,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 03:29:52,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 03:29:52,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 03:29:52,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 03:29:52,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 03:29:52,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 03:29:52,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 03:29:52,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 03:29:52,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 03:29:52,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 03:29:52,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 03:29:52,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 03:29:52,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 03:29:52,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 03:29:52,168 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 03:29:52,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 03:29:52,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 03:29:52,168 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 03:29:52,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 03:29:52,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 03:29:52,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 03:29:52,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 03:29:52,602 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 03:29:52,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2020-11-12 03:29:52,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d97530a6/81c0fd2cfad545119107e2f52ffc36ae/FLAGc0b0ab997 [2020-11-12 03:29:53,415 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 03:29:53,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2020-11-12 03:29:53,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d97530a6/81c0fd2cfad545119107e2f52ffc36ae/FLAGc0b0ab997 [2020-11-12 03:29:53,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d97530a6/81c0fd2cfad545119107e2f52ffc36ae [2020-11-12 03:29:53,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 03:29:53,637 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 03:29:53,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 03:29:53,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 03:29:53,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 03:29:53,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:29:53" (1/1) ... [2020-11-12 03:29:53,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2daa8790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:53, skipping insertion in model container [2020-11-12 03:29:53,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:29:53" (1/1) ... [2020-11-12 03:29:53,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 03:29:53,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 03:29:53,869 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 03:29:54,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:29:54,091 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 03:29:54,124 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-12 03:29:54,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 03:29:54,292 INFO L208 MainTranslator]: Completed translation [2020-11-12 03:29:54,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54 WrapperNode [2020-11-12 03:29:54,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 03:29:54,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 03:29:54,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 03:29:54,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 03:29:54,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 03:29:54,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 03:29:54,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 03:29:54,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 03:29:54,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... [2020-11-12 03:29:54,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 03:29:54,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 03:29:54,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 03:29:54,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 03:29:54,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 03:29:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 03:29:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-11-12 03:29:54,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-11-12 03:29:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-12 03:29:54,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-12 03:29:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 03:29:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 03:29:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 03:29:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 03:29:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 03:29:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 03:29:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 03:29:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 03:29:54,538 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 03:29:55,088 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 03:29:55,088 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-12 03:29:55,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:29:55 BoogieIcfgContainer [2020-11-12 03:29:55,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 03:29:55,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 03:29:55,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 03:29:55,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 03:29:55,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:29:53" (1/3) ... [2020-11-12 03:29:55,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128d2377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:29:55, skipping insertion in model container [2020-11-12 03:29:55,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:29:54" (2/3) ... [2020-11-12 03:29:55,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128d2377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:29:55, skipping insertion in model container [2020-11-12 03:29:55,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:29:55" (3/3) ... [2020-11-12 03:29:55,102 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2020-11-12 03:29:55,122 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 03:29:55,122 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 03:29:55,126 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-12 03:29:55,127 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 03:29:55,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,240 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 03:29:55,254 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-12 03:29:55,267 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-12 03:29:55,288 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 03:29:55,288 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 03:29:55,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 03:29:55,289 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 03:29:55,289 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 03:29:55,289 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 03:29:55,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 03:29:55,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 03:29:55,302 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 127 transitions, 276 flow [2020-11-12 03:29:55,488 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3387 states, 3383 states have (on average 3.313035767070647) internal successors, (11208), 3386 states have internal predecessors, (11208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:55,951 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 459ms [2020-11-12 03:29:55,964 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 3387 states, 3383 states have (on average 3.313035767070647) internal successors, (11208), 3386 states have internal predecessors, (11208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:55,972 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 3387 states, 2361 states have (on average 2.130029648454045) internal successors, (5029), 3386 states have internal predecessors, (5029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 3387 states, 2361 states have (on average 2.130029648454045) internal successors, (5029), 3386 states have internal predecessors, (5029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-12 03:29:55,986 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:55,987 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:55,988 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:55,994 INFO L82 PathProgramCache]: Analyzing trace with hash 81763724, now seen corresponding path program 1 times [2020-11-12 03:29:56,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:56,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280664319] [2020-11-12 03:29:56,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:56,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280664319] [2020-11-12 03:29:56,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:56,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 03:29:56,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123305600] [2020-11-12 03:29:56,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 03:29:56,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:56,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 03:29:56,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 03:29:56,216 INFO L87 Difference]: Start difference. First operand has 3387 states, 2361 states have (on average 2.130029648454045) internal successors, (5029), 3386 states have internal predecessors, (5029), 0 states have call successors, (0), 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, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:56,271 INFO L93 Difference]: Finished difference Result 3189 states and 4373 transitions. [2020-11-12 03:29:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 03:29:56,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2020-11-12 03:29:56,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:56,297 INFO L225 Difference]: With dead ends: 3189 [2020-11-12 03:29:56,297 INFO L226 Difference]: Without dead ends: 1160 [2020-11-12 03:29:56,299 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 03:29:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-11-12 03:29:56,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2020-11-12 03:29:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1098 states have (on average 2.111111111111111) internal successors, (2318), 1159 states have internal predecessors, (2318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2318 transitions. [2020-11-12 03:29:56,434 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2318 transitions. Word has length 25 [2020-11-12 03:29:56,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:56,435 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 2318 transitions. [2020-11-12 03:29:56,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2318 transitions. [2020-11-12 03:29:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-12 03:29:56,443 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:56,443 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:56,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 03:29:56,444 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:56,446 INFO L82 PathProgramCache]: Analyzing trace with hash 342001278, now seen corresponding path program 1 times [2020-11-12 03:29:56,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:56,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843076038] [2020-11-12 03:29:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:56,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843076038] [2020-11-12 03:29:56,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:56,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:29:56,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742196193] [2020-11-12 03:29:56,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:29:56,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:56,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:29:56,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:29:56,588 INFO L87 Difference]: Start difference. First operand 1160 states and 2318 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:56,624 INFO L93 Difference]: Finished difference Result 1072 states and 2144 transitions. [2020-11-12 03:29:56,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:29:56,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2020-11-12 03:29:56,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:56,631 INFO L225 Difference]: With dead ends: 1072 [2020-11-12 03:29:56,631 INFO L226 Difference]: Without dead ends: 951 [2020-11-12 03:29:56,632 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:29:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-11-12 03:29:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 911. [2020-11-12 03:29:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 871 states have (on average 2.111366245694604) internal successors, (1839), 910 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1839 transitions. [2020-11-12 03:29:56,701 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1839 transitions. Word has length 33 [2020-11-12 03:29:56,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:56,701 INFO L481 AbstractCegarLoop]: Abstraction has 911 states and 1839 transitions. [2020-11-12 03:29:56,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1839 transitions. [2020-11-12 03:29:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-12 03:29:56,704 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:56,704 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:56,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 03:29:56,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:56,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:56,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1675149475, now seen corresponding path program 1 times [2020-11-12 03:29:56,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:56,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170658685] [2020-11-12 03:29:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:56,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170658685] [2020-11-12 03:29:56,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:56,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 03:29:56,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912895813] [2020-11-12 03:29:56,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 03:29:56,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:56,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 03:29:56,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:29:56,779 INFO L87 Difference]: Start difference. First operand 911 states and 1839 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:56,817 INFO L93 Difference]: Finished difference Result 756 states and 1561 transitions. [2020-11-12 03:29:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 03:29:56,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2020-11-12 03:29:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:56,822 INFO L225 Difference]: With dead ends: 756 [2020-11-12 03:29:56,822 INFO L226 Difference]: Without dead ends: 590 [2020-11-12 03:29:56,823 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 03:29:56,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-11-12 03:29:56,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2020-11-12 03:29:56,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 578 states have (on average 2.169550173010381) internal successors, (1254), 589 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 1254 transitions. [2020-11-12 03:29:56,843 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 1254 transitions. Word has length 36 [2020-11-12 03:29:56,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:56,844 INFO L481 AbstractCegarLoop]: Abstraction has 590 states and 1254 transitions. [2020-11-12 03:29:56,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:56,844 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1254 transitions. [2020-11-12 03:29:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 03:29:56,846 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:56,847 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:56,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 03:29:56,847 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:56,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:56,848 INFO L82 PathProgramCache]: Analyzing trace with hash -2037161080, now seen corresponding path program 1 times [2020-11-12 03:29:56,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:56,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740947809] [2020-11-12 03:29:56,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:56,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740947809] [2020-11-12 03:29:56,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:56,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:29:56,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917999895] [2020-11-12 03:29:56,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:29:56,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:56,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:29:56,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:29:56,959 INFO L87 Difference]: Start difference. First operand 590 states and 1254 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:57,068 INFO L93 Difference]: Finished difference Result 1193 states and 2632 transitions. [2020-11-12 03:29:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 03:29:57,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2020-11-12 03:29:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:57,074 INFO L225 Difference]: With dead ends: 1193 [2020-11-12 03:29:57,074 INFO L226 Difference]: Without dead ends: 698 [2020-11-12 03:29:57,075 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:29:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2020-11-12 03:29:57,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 662. [2020-11-12 03:29:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 650 states have (on average 2.193846153846154) internal successors, (1426), 661 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1426 transitions. [2020-11-12 03:29:57,097 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1426 transitions. Word has length 47 [2020-11-12 03:29:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:57,098 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1426 transitions. [2020-11-12 03:29:57,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1426 transitions. [2020-11-12 03:29:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 03:29:57,100 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:57,100 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:57,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 03:29:57,101 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:57,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:57,101 INFO L82 PathProgramCache]: Analyzing trace with hash 575067824, now seen corresponding path program 2 times [2020-11-12 03:29:57,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:57,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821451043] [2020-11-12 03:29:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:57,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821451043] [2020-11-12 03:29:57,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:57,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:29:57,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971187036] [2020-11-12 03:29:57,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:29:57,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:57,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:29:57,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:29:57,173 INFO L87 Difference]: Start difference. First operand 662 states and 1426 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:57,218 INFO L93 Difference]: Finished difference Result 1900 states and 4193 transitions. [2020-11-12 03:29:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:29:57,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2020-11-12 03:29:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:57,231 INFO L225 Difference]: With dead ends: 1900 [2020-11-12 03:29:57,231 INFO L226 Difference]: Without dead ends: 1900 [2020-11-12 03:29:57,231 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:29:57,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-11-12 03:29:57,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 746. [2020-11-12 03:29:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 734 states have (on average 2.2016348773841963) internal successors, (1616), 745 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1616 transitions. [2020-11-12 03:29:57,264 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1616 transitions. Word has length 47 [2020-11-12 03:29:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:57,264 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1616 transitions. [2020-11-12 03:29:57,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1616 transitions. [2020-11-12 03:29:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 03:29:57,266 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:57,266 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:57,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 03:29:57,267 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:57,267 INFO L82 PathProgramCache]: Analyzing trace with hash 379379576, now seen corresponding path program 3 times [2020-11-12 03:29:57,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:57,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333941069] [2020-11-12 03:29:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:57,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333941069] [2020-11-12 03:29:57,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:57,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:29:57,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710838844] [2020-11-12 03:29:57,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:29:57,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:57,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:29:57,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:29:57,309 INFO L87 Difference]: Start difference. First operand 746 states and 1616 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:57,409 INFO L93 Difference]: Finished difference Result 1017 states and 2190 transitions. [2020-11-12 03:29:57,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 03:29:57,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2020-11-12 03:29:57,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:57,417 INFO L225 Difference]: With dead ends: 1017 [2020-11-12 03:29:57,417 INFO L226 Difference]: Without dead ends: 547 [2020-11-12 03:29:57,417 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:29:57,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-11-12 03:29:57,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 501. [2020-11-12 03:29:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 489 states have (on average 1.9059304703476483) internal successors, (932), 500 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 932 transitions. [2020-11-12 03:29:57,433 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 932 transitions. Word has length 47 [2020-11-12 03:29:57,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:57,442 INFO L481 AbstractCegarLoop]: Abstraction has 501 states and 932 transitions. [2020-11-12 03:29:57,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 932 transitions. [2020-11-12 03:29:57,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 03:29:57,445 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:57,445 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:57,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 03:29:57,446 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:57,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:57,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1305102538, now seen corresponding path program 4 times [2020-11-12 03:29:57,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:57,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179241992] [2020-11-12 03:29:57,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:57,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179241992] [2020-11-12 03:29:57,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:57,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:29:57,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994550674] [2020-11-12 03:29:57,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:29:57,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:57,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:29:57,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:29:57,497 INFO L87 Difference]: Start difference. First operand 501 states and 932 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:57,534 INFO L93 Difference]: Finished difference Result 1135 states and 2061 transitions. [2020-11-12 03:29:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 03:29:57,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2020-11-12 03:29:57,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:57,541 INFO L225 Difference]: With dead ends: 1135 [2020-11-12 03:29:57,541 INFO L226 Difference]: Without dead ends: 1084 [2020-11-12 03:29:57,542 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:29:57,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-11-12 03:29:57,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 518. [2020-11-12 03:29:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 506 states have (on average 1.8873517786561265) internal successors, (955), 517 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 955 transitions. [2020-11-12 03:29:57,559 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 955 transitions. Word has length 47 [2020-11-12 03:29:57,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:57,559 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 955 transitions. [2020-11-12 03:29:57,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 955 transitions. [2020-11-12 03:29:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 03:29:57,561 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:57,561 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:57,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 03:29:57,561 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:57,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:57,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1583292679, now seen corresponding path program 1 times [2020-11-12 03:29:57,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:57,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017564756] [2020-11-12 03:29:57,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:57,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017564756] [2020-11-12 03:29:57,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:57,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:29:57,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424096570] [2020-11-12 03:29:57,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:29:57,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:57,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:29:57,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:29:57,605 INFO L87 Difference]: Start difference. First operand 518 states and 955 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2020-11-12 03:29:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:57,629 INFO L93 Difference]: Finished difference Result 533 states and 930 transitions. [2020-11-12 03:29:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 03:29:57,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) Word has length 52 [2020-11-12 03:29:57,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:57,633 INFO L225 Difference]: With dead ends: 533 [2020-11-12 03:29:57,633 INFO L226 Difference]: Without dead ends: 493 [2020-11-12 03:29:57,633 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:29:57,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-11-12 03:29:57,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 422. [2020-11-12 03:29:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 410 states have (on average 1.8365853658536586) internal successors, (753), 421 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 03:29:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 753 transitions. [2020-11-12 03:29:57,646 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 753 transitions. Word has length 52 [2020-11-12 03:29:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:57,646 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 753 transitions. [2020-11-12 03:29:57,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2020-11-12 03:29:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 753 transitions. [2020-11-12 03:29:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 03:29:57,647 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 03:29:57,648 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 03:29:57,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 03:29:57,648 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 03:29:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 03:29:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash -831616999, now seen corresponding path program 1 times [2020-11-12 03:29:57,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 03:29:57,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863414679] [2020-11-12 03:29:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 03:29:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 03:29:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 03:29:57,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863414679] [2020-11-12 03:29:57,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 03:29:57,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 03:29:57,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278301801] [2020-11-12 03:29:57,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 03:29:57,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 03:29:57,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 03:29:57,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 03:29:57,695 INFO L87 Difference]: Start difference. First operand 422 states and 753 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2020-11-12 03:29:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 03:29:57,710 INFO L93 Difference]: Finished difference Result 195 states and 350 transitions. [2020-11-12 03:29:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 03:29:57,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) Word has length 52 [2020-11-12 03:29:57,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 03:29:57,711 INFO L225 Difference]: With dead ends: 195 [2020-11-12 03:29:57,712 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 03:29:57,712 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 03:29:57,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 03:29:57,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 03:29:57,713 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) [2020-11-12 03:29:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 03:29:57,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-11-12 03:29:57,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 03:29:57,713 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 03:29:57,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2020-11-12 03:29:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 03:29:57,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 03:29:57,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 03:29:57,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 03:29:57 BasicIcfg [2020-11-12 03:29:57,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 03:29:57,721 INFO L168 Benchmark]: Toolchain (without parser) took 4091.13 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.3 MB in the beginning and 176.1 MB in the end (delta: 101.2 MB). Peak memory consumption was 163.4 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:57,722 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 03:29:57,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.51 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 246.6 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:57,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.88 ms. Allocated memory is still 302.0 MB. Free memory was 246.6 MB in the beginning and 284.6 MB in the end (delta: -37.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:57,724 INFO L168 Benchmark]: Boogie Preprocessor took 49.58 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 283.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:57,725 INFO L168 Benchmark]: RCFGBuilder took 627.96 ms. Allocated memory is still 302.0 MB. Free memory was 283.5 MB in the beginning and 255.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:57,726 INFO L168 Benchmark]: TraceAbstraction took 2624.69 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 255.2 MB in the beginning and 176.1 MB in the end (delta: 79.1 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.0 GB. [2020-11-12 03:29:57,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 655.51 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 246.6 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 117.88 ms. Allocated memory is still 302.0 MB. Free memory was 246.6 MB in the beginning and 284.6 MB in the end (delta: -37.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.58 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 283.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 627.96 ms. Allocated memory is still 302.0 MB. Free memory was 283.5 MB in the beginning and 255.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2624.69 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 255.2 MB in the beginning and 176.1 MB in the end (delta: 79.1 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 1229 SDtfs, 753 SDslu, 1381 SDs, 0 SdLazy, 189 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3387occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1913 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 21403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...