/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:35:43,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:35:43,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:35:43,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:35:43,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:35:43,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:35:43,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:35:43,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:35:43,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:35:43,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:35:43,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:35:43,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:35:43,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:35:43,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:35:43,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:35:43,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:35:43,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:35:43,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:35:43,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:35:43,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:35:43,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:35:43,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:35:43,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:35:43,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:35:43,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 23:35:43,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 23:35:43,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 23:35:43,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 23:35:43,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 23:35:43,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 23:35:43,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:35:43,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:35:43,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:35:43,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:35:43,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:35:43,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:35:43,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:35:43,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:35:43,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:35:43,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:35:43,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:35:43,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-18 23:35:43,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:35:43,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:35:43,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:35:43,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:35:43,174 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:35:43,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:35:43,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:35:43,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:35:43,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:35:43,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:35:43,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:35:43,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:35:43,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:35:43,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:35:43,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:35:43,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:35:43,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:35:43,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:35:43,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:35:43,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:35:43,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:35:43,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:35:43,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:35:43,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:35:43,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:35:43,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:35:43,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:35:43,178 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-18 23:35:43,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:35:43,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:35:43,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:35:43,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:35:43,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:35:43,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:35:43,498 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:35:43,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2019-12-18 23:35:43,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d54fd59/ac28c992a2bd4073aa222c2de6436a8a/FLAG2617e58c5 [2019-12-18 23:35:44,174 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:35:44,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2019-12-18 23:35:44,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d54fd59/ac28c992a2bd4073aa222c2de6436a8a/FLAG2617e58c5 [2019-12-18 23:35:44,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d54fd59/ac28c992a2bd4073aa222c2de6436a8a [2019-12-18 23:35:44,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:35:44,429 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:35:44,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:35:44,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:35:44,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:35:44,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:35:44" (1/1) ... [2019-12-18 23:35:44,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b5ffad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:44, skipping insertion in model container [2019-12-18 23:35:44,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:35:44" (1/1) ... [2019-12-18 23:35:44,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:35:44,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:35:45,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:35:45,084 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:35:45,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:35:45,414 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:35:45,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45 WrapperNode [2019-12-18 23:35:45,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:35:45,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:35:45,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:35:45,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:35:45,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:35:45,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:35:45,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:35:45,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:35:45,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (1/1) ... [2019-12-18 23:35:45,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:35:45,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:35:45,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:35:45,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:35:45,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (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 [2019-12-18 23:35:45,709 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-18 23:35:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-18 23:35:45,710 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-18 23:35:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-18 23:35:45,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:35:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:35:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 23:35:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:35:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 23:35:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 23:35:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:35:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:35:45,717 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:35:46,368 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:35:46,369 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-18 23:35:46,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:35:46 BoogieIcfgContainer [2019-12-18 23:35:46,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:35:46,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:35:46,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:35:46,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:35:46,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:35:44" (1/3) ... [2019-12-18 23:35:46,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bac9dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:35:46, skipping insertion in model container [2019-12-18 23:35:46,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:35:45" (2/3) ... [2019-12-18 23:35:46,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bac9dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:35:46, skipping insertion in model container [2019-12-18 23:35:46,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:35:46" (3/3) ... [2019-12-18 23:35:46,378 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2019-12-18 23:35:46,388 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:35:46,389 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:35:46,397 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 23:35:46,398 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:35:46,435 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,435 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,435 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,435 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,436 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,436 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,437 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,437 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,437 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,437 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,438 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,438 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,438 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,438 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,438 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,439 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,439 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,439 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,439 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,439 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,440 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,440 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,440 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,440 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,440 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,441 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,441 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,441 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,441 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,441 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,441 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,442 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,442 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,442 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,442 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,442 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,442 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,443 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,443 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,443 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,443 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,443 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,444 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,444 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,444 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,444 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,444 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,445 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,445 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,445 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,445 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,445 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,445 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,446 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,446 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,446 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,446 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,447 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,447 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,447 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,447 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,447 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,448 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,448 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,448 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,448 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,448 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,449 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,449 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,449 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,449 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,449 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,450 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,450 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,450 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,450 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,450 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,450 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,451 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,451 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,451 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,451 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,452 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,452 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,452 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,452 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,454 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,454 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,454 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,454 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,455 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,455 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,455 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,455 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,456 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,456 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,456 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,456 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,457 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,457 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,457 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,457 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,457 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,457 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,458 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,458 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,458 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,458 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,458 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,459 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,459 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,459 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,459 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,459 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,460 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,460 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,460 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,460 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,460 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,461 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,461 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,461 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,461 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,461 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,461 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,462 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,462 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,462 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,462 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,462 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,463 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,463 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,463 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,463 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,463 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,464 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,464 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,464 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,464 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,464 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,464 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,465 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,465 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,465 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,465 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,465 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,465 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,466 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,466 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,466 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,466 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,466 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,466 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,467 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,467 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,467 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,467 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,467 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,467 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,468 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,468 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,468 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,468 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,468 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,469 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,469 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,469 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,469 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,469 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,469 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,470 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,470 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,470 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,470 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,470 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,470 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,471 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,471 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,471 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,471 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,471 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,472 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,472 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,472 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,472 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,472 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,472 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,473 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,473 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,473 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,473 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,473 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,473 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,474 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,474 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,474 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,474 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,474 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,475 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,475 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,475 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,475 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,475 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,476 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,476 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,476 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,476 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,476 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,477 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,477 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,477 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,477 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,481 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,481 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,481 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,481 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,482 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,482 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,483 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,483 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,483 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,483 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,483 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,484 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,484 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,484 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,484 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,484 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,485 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,485 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,485 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,490 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,491 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,491 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,492 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,492 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,493 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,493 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,493 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,493 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,493 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,493 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,494 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,494 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,494 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,494 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,494 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,495 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,495 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,495 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,495 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,495 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,496 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,496 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,496 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,496 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,496 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:35:46,518 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 23:35:46,533 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:35:46,534 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:35:46,534 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:35:46,534 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:35:46,534 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:35:46,534 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:35:46,534 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:35:46,534 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:35:46,549 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 196 places, 204 transitions [2019-12-18 23:35:47,056 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 10787 states. [2019-12-18 23:35:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10787 states. [2019-12-18 23:35:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-18 23:35:47,072 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:47,073 INFO L411 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] [2019-12-18 23:35:47,074 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:47,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1929394428, now seen corresponding path program 1 times [2019-12-18 23:35:47,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:47,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53532147] [2019-12-18 23:35:47,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:47,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53532147] [2019-12-18 23:35:47,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:35:47,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:35:47,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967450295] [2019-12-18 23:35:47,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 23:35:47,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:47,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 23:35:47,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 23:35:47,425 INFO L87 Difference]: Start difference. First operand 10787 states. Second operand 2 states. [2019-12-18 23:35:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:47,553 INFO L93 Difference]: Finished difference Result 10784 states and 29353 transitions. [2019-12-18 23:35:47,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 23:35:47,555 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 44 [2019-12-18 23:35:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:47,658 INFO L225 Difference]: With dead ends: 10784 [2019-12-18 23:35:47,658 INFO L226 Difference]: Without dead ends: 9749 [2019-12-18 23:35:47,661 INFO L631 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 [2019-12-18 23:35:47,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9749 states. [2019-12-18 23:35:48,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9749 to 9749. [2019-12-18 23:35:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9749 states. [2019-12-18 23:35:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9749 states to 9749 states and 26526 transitions. [2019-12-18 23:35:48,144 INFO L78 Accepts]: Start accepts. Automaton has 9749 states and 26526 transitions. Word has length 44 [2019-12-18 23:35:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:48,146 INFO L462 AbstractCegarLoop]: Abstraction has 9749 states and 26526 transitions. [2019-12-18 23:35:48,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 23:35:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 9749 states and 26526 transitions. [2019-12-18 23:35:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-18 23:35:48,176 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:48,176 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:48,177 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:48,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:48,177 INFO L82 PathProgramCache]: Analyzing trace with hash -593181059, now seen corresponding path program 1 times [2019-12-18 23:35:48,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:48,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989719870] [2019-12-18 23:35:48,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:48,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989719870] [2019-12-18 23:35:48,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:35:48,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-18 23:35:48,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249129682] [2019-12-18 23:35:48,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-18 23:35:48,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:48,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-18 23:35:48,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-12-18 23:35:48,650 INFO L87 Difference]: Start difference. First operand 9749 states and 26526 transitions. Second operand 12 states. [2019-12-18 23:35:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:49,411 INFO L93 Difference]: Finished difference Result 9780 states and 26590 transitions. [2019-12-18 23:35:49,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-18 23:35:49,411 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2019-12-18 23:35:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:49,470 INFO L225 Difference]: With dead ends: 9780 [2019-12-18 23:35:49,470 INFO L226 Difference]: Without dead ends: 9780 [2019-12-18 23:35:49,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2019-12-18 23:35:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9780 states. [2019-12-18 23:35:49,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9780 to 9746. [2019-12-18 23:35:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9746 states. [2019-12-18 23:35:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9746 states to 9746 states and 26522 transitions. [2019-12-18 23:35:49,781 INFO L78 Accepts]: Start accepts. Automaton has 9746 states and 26522 transitions. Word has length 97 [2019-12-18 23:35:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:49,782 INFO L462 AbstractCegarLoop]: Abstraction has 9746 states and 26522 transitions. [2019-12-18 23:35:49,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-18 23:35:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 9746 states and 26522 transitions. [2019-12-18 23:35:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-18 23:35:49,897 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:49,897 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:49,897 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:49,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:49,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1482308150, now seen corresponding path program 1 times [2019-12-18 23:35:49,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:49,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028139840] [2019-12-18 23:35:49,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:50,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028139840] [2019-12-18 23:35:50,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:35:50,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-12-18 23:35:50,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350417641] [2019-12-18 23:35:50,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-18 23:35:50,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:50,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-18 23:35:50,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2019-12-18 23:35:50,734 INFO L87 Difference]: Start difference. First operand 9746 states and 26522 transitions. Second operand 18 states. [2019-12-18 23:35:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:53,305 INFO L93 Difference]: Finished difference Result 13022 states and 35325 transitions. [2019-12-18 23:35:53,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-18 23:35:53,306 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 98 [2019-12-18 23:35:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:53,343 INFO L225 Difference]: With dead ends: 13022 [2019-12-18 23:35:53,343 INFO L226 Difference]: Without dead ends: 13022 [2019-12-18 23:35:53,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2019-12-18 23:35:53,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13022 states. [2019-12-18 23:35:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13022 to 11672. [2019-12-18 23:35:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11672 states. [2019-12-18 23:35:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11672 states to 11672 states and 31707 transitions. [2019-12-18 23:35:53,747 INFO L78 Accepts]: Start accepts. Automaton has 11672 states and 31707 transitions. Word has length 98 [2019-12-18 23:35:53,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:53,748 INFO L462 AbstractCegarLoop]: Abstraction has 11672 states and 31707 transitions. [2019-12-18 23:35:53,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-18 23:35:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 11672 states and 31707 transitions. [2019-12-18 23:35:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-18 23:35:53,768 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:53,768 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:53,768 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:53,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:53,769 INFO L82 PathProgramCache]: Analyzing trace with hash 921844576, now seen corresponding path program 1 times [2019-12-18 23:35:53,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:53,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935480342] [2019-12-18 23:35:53,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:53,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935480342] [2019-12-18 23:35:53,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:35:53,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:35:53,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823206279] [2019-12-18 23:35:53,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:35:53,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:53,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:35:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:35:53,849 INFO L87 Difference]: Start difference. First operand 11672 states and 31707 transitions. Second operand 4 states. [2019-12-18 23:35:53,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:53,927 INFO L93 Difference]: Finished difference Result 11918 states and 32061 transitions. [2019-12-18 23:35:53,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 23:35:53,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-12-18 23:35:53,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:53,959 INFO L225 Difference]: With dead ends: 11918 [2019-12-18 23:35:53,960 INFO L226 Difference]: Without dead ends: 11312 [2019-12-18 23:35:53,960 INFO L631 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 [2019-12-18 23:35:54,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11312 states. [2019-12-18 23:35:54,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11312 to 10268. [2019-12-18 23:35:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10268 states. [2019-12-18 23:35:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10268 states to 10268 states and 27635 transitions. [2019-12-18 23:35:54,371 INFO L78 Accepts]: Start accepts. Automaton has 10268 states and 27635 transitions. Word has length 99 [2019-12-18 23:35:54,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:54,372 INFO L462 AbstractCegarLoop]: Abstraction has 10268 states and 27635 transitions. [2019-12-18 23:35:54,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:35:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 10268 states and 27635 transitions. [2019-12-18 23:35:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-18 23:35:54,396 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:54,396 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:54,396 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:54,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:54,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1815021150, now seen corresponding path program 1 times [2019-12-18 23:35:54,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:54,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627220616] [2019-12-18 23:35:54,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:54,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627220616] [2019-12-18 23:35:54,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:35:54,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:35:54,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710485214] [2019-12-18 23:35:54,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:35:54,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:54,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:35:54,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:35:54,490 INFO L87 Difference]: Start difference. First operand 10268 states and 27635 transitions. Second operand 3 states. [2019-12-18 23:35:54,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:54,508 INFO L93 Difference]: Finished difference Result 1808 states and 4120 transitions. [2019-12-18 23:35:54,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:35:54,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2019-12-18 23:35:54,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:54,512 INFO L225 Difference]: With dead ends: 1808 [2019-12-18 23:35:54,512 INFO L226 Difference]: Without dead ends: 1544 [2019-12-18 23:35:54,513 INFO L631 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 [2019-12-18 23:35:54,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2019-12-18 23:35:54,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1424. [2019-12-18 23:35:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2019-12-18 23:35:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 3200 transitions. [2019-12-18 23:35:54,535 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 3200 transitions. Word has length 116 [2019-12-18 23:35:54,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:54,536 INFO L462 AbstractCegarLoop]: Abstraction has 1424 states and 3200 transitions. [2019-12-18 23:35:54,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:35:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 3200 transitions. [2019-12-18 23:35:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-18 23:35:54,540 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:54,540 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:54,540 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash -206631209, now seen corresponding path program 1 times [2019-12-18 23:35:54,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:54,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773355818] [2019-12-18 23:35:54,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:54,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773355818] [2019-12-18 23:35:54,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330521602] [2019-12-18 23:35:54,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:54,752 INFO L264 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-18 23:35:54,761 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:35:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:54,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:35:54,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-12-18 23:35:54,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961627707] [2019-12-18 23:35:54,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 23:35:54,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:54,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 23:35:54,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 23:35:54,817 INFO L87 Difference]: Start difference. First operand 1424 states and 3200 transitions. Second operand 7 states. [2019-12-18 23:35:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:54,882 INFO L93 Difference]: Finished difference Result 2240 states and 5060 transitions. [2019-12-18 23:35:54,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 23:35:54,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2019-12-18 23:35:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:54,888 INFO L225 Difference]: With dead ends: 2240 [2019-12-18 23:35:54,889 INFO L226 Difference]: Without dead ends: 2240 [2019-12-18 23:35:54,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-12-18 23:35:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2019-12-18 23:35:54,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 1844. [2019-12-18 23:35:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1844 states. [2019-12-18 23:35:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 4157 transitions. [2019-12-18 23:35:54,948 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 4157 transitions. Word has length 138 [2019-12-18 23:35:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:54,948 INFO L462 AbstractCegarLoop]: Abstraction has 1844 states and 4157 transitions. [2019-12-18 23:35:54,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 23:35:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 4157 transitions. [2019-12-18 23:35:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-18 23:35:54,955 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:54,955 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:55,159 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:55,160 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:55,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:55,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1577960977, now seen corresponding path program 2 times [2019-12-18 23:35:55,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:55,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681546871] [2019-12-18 23:35:55,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:55,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681546871] [2019-12-18 23:35:55,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754353142] [2019-12-18 23:35:55,408 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:55,551 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-18 23:35:55,551 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:35:55,553 INFO L264 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-18 23:35:55,558 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:35:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:55,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:35:55,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2019-12-18 23:35:55,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734701554] [2019-12-18 23:35:55,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-18 23:35:55,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:55,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-18 23:35:55,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-18 23:35:55,613 INFO L87 Difference]: Start difference. First operand 1844 states and 4157 transitions. Second operand 9 states. [2019-12-18 23:35:55,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:55,706 INFO L93 Difference]: Finished difference Result 2660 states and 6017 transitions. [2019-12-18 23:35:55,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-18 23:35:55,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2019-12-18 23:35:55,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:55,714 INFO L225 Difference]: With dead ends: 2660 [2019-12-18 23:35:55,714 INFO L226 Difference]: Without dead ends: 2660 [2019-12-18 23:35:55,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-12-18 23:35:55,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2019-12-18 23:35:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2264. [2019-12-18 23:35:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2019-12-18 23:35:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 5114 transitions. [2019-12-18 23:35:55,765 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 5114 transitions. Word has length 167 [2019-12-18 23:35:55,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:55,765 INFO L462 AbstractCegarLoop]: Abstraction has 2264 states and 5114 transitions. [2019-12-18 23:35:55,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-18 23:35:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 5114 transitions. [2019-12-18 23:35:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-18 23:35:55,773 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:55,773 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:55,978 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:55,978 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:55,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash -834842345, now seen corresponding path program 3 times [2019-12-18 23:35:55,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:55,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961441793] [2019-12-18 23:35:55,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:56,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961441793] [2019-12-18 23:35:56,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688679316] [2019-12-18 23:35:56,159 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:56,312 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-12-18 23:35:56,313 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:35:56,316 INFO L264 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 66 conjunts are in the unsatisfiable core [2019-12-18 23:35:56,323 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:35:56,363 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-18 23:35:56,364 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,369 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,370 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,370 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-18 23:35:56,395 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,396 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-12-18 23:35:56,396 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,399 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,400 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,400 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2019-12-18 23:35:56,537 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-12-18 23:35:56,538 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,542 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,543 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,543 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-12-18 23:35:56,571 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:35:56,572 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,587 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,587 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,588 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2019-12-18 23:35:56,697 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:35:56,711 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,711 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:35:56,712 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,745 INFO L614 ElimStorePlain]: treesize reduction 30, result has 55.2 percent of original size [2019-12-18 23:35:56,746 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,746 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:23 [2019-12-18 23:35:56,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:35:56,760 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:35:56,760 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,772 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:35:56,773 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:35:56,773 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2019-12-18 23:35:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-18 23:35:56,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-18 23:35:56,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2019-12-18 23:35:56,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624685553] [2019-12-18 23:35:56,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-18 23:35:56,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:56,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-18 23:35:56,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2019-12-18 23:35:56,873 INFO L87 Difference]: Start difference. First operand 2264 states and 5114 transitions. Second operand 13 states. [2019-12-18 23:35:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:57,504 INFO L93 Difference]: Finished difference Result 3701 states and 8378 transitions. [2019-12-18 23:35:57,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-18 23:35:57,504 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 196 [2019-12-18 23:35:57,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:57,512 INFO L225 Difference]: With dead ends: 3701 [2019-12-18 23:35:57,512 INFO L226 Difference]: Without dead ends: 3701 [2019-12-18 23:35:57,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=639, Unknown=0, NotChecked=0, Total=812 [2019-12-18 23:35:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2019-12-18 23:35:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3020. [2019-12-18 23:35:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2019-12-18 23:35:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 6827 transitions. [2019-12-18 23:35:57,565 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 6827 transitions. Word has length 196 [2019-12-18 23:35:57,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:57,565 INFO L462 AbstractCegarLoop]: Abstraction has 3020 states and 6827 transitions. [2019-12-18 23:35:57,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-18 23:35:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 6827 transitions. [2019-12-18 23:35:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-18 23:35:57,573 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:57,574 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:57,777 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:57,778 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:57,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:57,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1197311036, now seen corresponding path program 1 times [2019-12-18 23:35:57,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:57,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135505780] [2019-12-18 23:35:57,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:57,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135505780] [2019-12-18 23:35:57,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409166983] [2019-12-18 23:35:57,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:58,126 INFO L264 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-18 23:35:58,130 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:35:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:58,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:35:58,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-12-18 23:35:58,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403058455] [2019-12-18 23:35:58,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-18 23:35:58,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:58,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-18 23:35:58,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-12-18 23:35:58,264 INFO L87 Difference]: Start difference. First operand 3020 states and 6827 transitions. Second operand 11 states. [2019-12-18 23:35:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:58,429 INFO L93 Difference]: Finished difference Result 4460 states and 10091 transitions. [2019-12-18 23:35:58,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-18 23:35:58,430 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2019-12-18 23:35:58,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:58,440 INFO L225 Difference]: With dead ends: 4460 [2019-12-18 23:35:58,440 INFO L226 Difference]: Without dead ends: 4460 [2019-12-18 23:35:58,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2019-12-18 23:35:58,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2019-12-18 23:35:58,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 3764. [2019-12-18 23:35:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3764 states. [2019-12-18 23:35:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 8513 transitions. [2019-12-18 23:35:58,518 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 8513 transitions. Word has length 200 [2019-12-18 23:35:58,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:58,518 INFO L462 AbstractCegarLoop]: Abstraction has 3764 states and 8513 transitions. [2019-12-18 23:35:58,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-18 23:35:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 8513 transitions. [2019-12-18 23:35:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-12-18 23:35:58,530 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:58,530 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:58,742 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:58,742 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:58,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:58,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1476674553, now seen corresponding path program 2 times [2019-12-18 23:35:58,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:58,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846039609] [2019-12-18 23:35:58,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:35:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:58,942 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846039609] [2019-12-18 23:35:58,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966382631] [2019-12-18 23:35:58,943 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:59,096 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-18 23:35:59,096 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:35:59,098 INFO L264 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-18 23:35:59,101 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:35:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:35:59,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:35:59,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2019-12-18 23:35:59,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173452651] [2019-12-18 23:35:59,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-18 23:35:59,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:35:59,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-18 23:35:59,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-18 23:35:59,164 INFO L87 Difference]: Start difference. First operand 3764 states and 8513 transitions. Second operand 13 states. [2019-12-18 23:35:59,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:35:59,330 INFO L93 Difference]: Finished difference Result 5204 states and 11777 transitions. [2019-12-18 23:35:59,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-18 23:35:59,330 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 233 [2019-12-18 23:35:59,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:35:59,370 INFO L225 Difference]: With dead ends: 5204 [2019-12-18 23:35:59,371 INFO L226 Difference]: Without dead ends: 5204 [2019-12-18 23:35:59,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2019-12-18 23:35:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2019-12-18 23:35:59,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 4508. [2019-12-18 23:35:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4508 states. [2019-12-18 23:35:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 10199 transitions. [2019-12-18 23:35:59,444 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 10199 transitions. Word has length 233 [2019-12-18 23:35:59,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:35:59,445 INFO L462 AbstractCegarLoop]: Abstraction has 4508 states and 10199 transitions. [2019-12-18 23:35:59,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-18 23:35:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 10199 transitions. [2019-12-18 23:35:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-12-18 23:35:59,468 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:35:59,468 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:35:59,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:35:59,673 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:35:59,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:35:59,674 INFO L82 PathProgramCache]: Analyzing trace with hash -308517151, now seen corresponding path program 3 times [2019-12-18 23:35:59,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:35:59,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142713467] [2019-12-18 23:35:59,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:35:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:00,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142713467] [2019-12-18 23:36:00,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017507616] [2019-12-18 23:36:00,003 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:00,484 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-18 23:36:00,484 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:36:00,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 74 conjunts are in the unsatisfiable core [2019-12-18 23:36:00,495 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:36:00,505 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-18 23:36:00,505 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,509 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,510 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,510 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-12-18 23:36:00,535 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,536 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-12-18 23:36:00,536 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,544 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,545 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,545 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2019-12-18 23:36:00,681 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-12-18 23:36:00,681 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,688 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,688 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,689 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2019-12-18 23:36:00,720 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:00,720 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,731 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,732 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,732 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2019-12-18 23:36:00,859 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:00,871 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,872 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2019-12-18 23:36:00,875 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,925 INFO L614 ElimStorePlain]: treesize reduction 26, result has 57.4 percent of original size [2019-12-18 23:36:00,925 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,926 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:26 [2019-12-18 23:36:00,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:00,935 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:00,936 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,948 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:00,949 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:00,949 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2019-12-18 23:36:01,104 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2019-12-18 23:36:01,105 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,113 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:01,113 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,113 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:20 [2019-12-18 23:36:01,164 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-12-18 23:36:01,165 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,174 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:01,175 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,175 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2019-12-18 23:36:01,343 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:01,356 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:01,357 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2019-12-18 23:36:01,358 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,394 INFO L614 ElimStorePlain]: treesize reduction 26, result has 54.4 percent of original size [2019-12-18 23:36:01,395 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,396 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:22 [2019-12-18 23:36:01,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:01,410 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:01,411 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,422 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:01,422 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,422 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:22 [2019-12-18 23:36:01,429 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-12-18 23:36:01,430 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,435 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:01,435 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:01,435 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:10 [2019-12-18 23:36:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 160 proven. 90 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-18 23:36:01,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:36:01,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 22] total 33 [2019-12-18 23:36:01,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76667791] [2019-12-18 23:36:01,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-12-18 23:36:01,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:01,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-12-18 23:36:01,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2019-12-18 23:36:01,677 INFO L87 Difference]: Start difference. First operand 4508 states and 10199 transitions. Second operand 33 states. [2019-12-18 23:36:09,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:09,968 INFO L93 Difference]: Finished difference Result 9594 states and 21721 transitions. [2019-12-18 23:36:09,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2019-12-18 23:36:09,969 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 262 [2019-12-18 23:36:09,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:09,981 INFO L225 Difference]: With dead ends: 9594 [2019-12-18 23:36:09,982 INFO L226 Difference]: Without dead ends: 9594 [2019-12-18 23:36:09,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7226 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=3555, Invalid=16751, Unknown=0, NotChecked=0, Total=20306 [2019-12-18 23:36:10,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9594 states. [2019-12-18 23:36:10,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9594 to 7016. [2019-12-18 23:36:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7016 states. [2019-12-18 23:36:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7016 states to 7016 states and 15866 transitions. [2019-12-18 23:36:10,119 INFO L78 Accepts]: Start accepts. Automaton has 7016 states and 15866 transitions. Word has length 262 [2019-12-18 23:36:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:10,119 INFO L462 AbstractCegarLoop]: Abstraction has 7016 states and 15866 transitions. [2019-12-18 23:36:10,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-12-18 23:36:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7016 states and 15866 transitions. [2019-12-18 23:36:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-18 23:36:10,136 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:10,136 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:10,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:10,349 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:10,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:10,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1631031548, now seen corresponding path program 4 times [2019-12-18 23:36:10,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:10,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126238274] [2019-12-18 23:36:10,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:10,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126238274] [2019-12-18 23:36:10,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728641358] [2019-12-18 23:36:10,773 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:11,616 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-18 23:36:11,616 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:36:11,619 INFO L264 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-18 23:36:11,624 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:36:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:11,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:36:11,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2019-12-18 23:36:11,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278107460] [2019-12-18 23:36:11,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-18 23:36:11,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:11,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-18 23:36:11,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-12-18 23:36:11,712 INFO L87 Difference]: Start difference. First operand 7016 states and 15866 transitions. Second operand 17 states. [2019-12-18 23:36:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:11,942 INFO L93 Difference]: Finished difference Result 9224 states and 20858 transitions. [2019-12-18 23:36:11,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-18 23:36:11,942 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 295 [2019-12-18 23:36:11,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:11,954 INFO L225 Difference]: With dead ends: 9224 [2019-12-18 23:36:11,954 INFO L226 Difference]: Without dead ends: 9224 [2019-12-18 23:36:11,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2019-12-18 23:36:11,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2019-12-18 23:36:12,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 8156. [2019-12-18 23:36:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8156 states. [2019-12-18 23:36:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8156 states to 8156 states and 18443 transitions. [2019-12-18 23:36:12,087 INFO L78 Accepts]: Start accepts. Automaton has 8156 states and 18443 transitions. Word has length 295 [2019-12-18 23:36:12,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:12,088 INFO L462 AbstractCegarLoop]: Abstraction has 8156 states and 18443 transitions. [2019-12-18 23:36:12,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-18 23:36:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 8156 states and 18443 transitions. [2019-12-18 23:36:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-18 23:36:12,111 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:12,111 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:12,317 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:12,318 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:12,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:12,318 INFO L82 PathProgramCache]: Analyzing trace with hash -697021545, now seen corresponding path program 5 times [2019-12-18 23:36:12,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:12,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802471291] [2019-12-18 23:36:12,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:12,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802471291] [2019-12-18 23:36:12,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027477149] [2019-12-18 23:36:12,676 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:12,971 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-12-18 23:36:12,972 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:36:12,976 INFO L264 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 119 conjunts are in the unsatisfiable core [2019-12-18 23:36:12,983 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:36:13,086 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-12-18 23:36:13,086 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,088 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,088 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,089 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-12-18 23:36:13,124 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,125 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2019-12-18 23:36:13,126 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,153 INFO L614 ElimStorePlain]: treesize reduction 24, result has 59.3 percent of original size [2019-12-18 23:36:13,154 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:13,154 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:23 [2019-12-18 23:36:13,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,240 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,449 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,450 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2019-12-18 23:36:13,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,451 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,465 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:13,482 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,483 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:36:13,484 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,575 INFO L614 ElimStorePlain]: treesize reduction 49, result has 65.2 percent of original size [2019-12-18 23:36:13,577 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:13,577 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:48 [2019-12-18 23:36:13,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,623 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-18 23:36:13,623 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:13,641 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:13,642 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,674 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,674 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:13,675 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:47 [2019-12-18 23:36:13,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:13,819 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2019-12-18 23:36:13,820 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,830 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2019-12-18 23:36:13,831 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,845 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,845 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:13,845 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:77, output treesize:34 [2019-12-18 23:36:13,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:13,928 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:13,928 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2019-12-18 23:36:13,929 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,935 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-18 23:36:13,935 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:13,992 INFO L614 ElimStorePlain]: treesize reduction 23, result has 75.8 percent of original size [2019-12-18 23:36:13,992 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-12-18 23:36:13,993 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:48 [2019-12-18 23:36:14,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-18 23:36:14,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:14,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:14,353 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:14,355 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:14,383 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:14,384 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:36:14,384 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,408 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:14,408 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2019-12-18 23:36:14,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:14,409 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,489 INFO L614 ElimStorePlain]: treesize reduction 49, result has 65.2 percent of original size [2019-12-18 23:36:14,490 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:14,490 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:48 [2019-12-18 23:36:14,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:14,548 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-18 23:36:14,549 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:14,556 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:14,557 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,587 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:14,588 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:14,588 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:47 [2019-12-18 23:36:14,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:14,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:14,757 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2019-12-18 23:36:14,758 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,762 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2019-12-18 23:36:14,762 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,775 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:14,776 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:14,776 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:77, output treesize:34 [2019-12-18 23:36:14,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:14,833 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-18 23:36:14,834 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,863 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:14,864 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2019-12-18 23:36:14,865 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:14,929 INFO L614 ElimStorePlain]: treesize reduction 23, result has 75.8 percent of original size [2019-12-18 23:36:14,929 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-12-18 23:36:14,930 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:48 [2019-12-18 23:36:14,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-18 23:36:15,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:15,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:15,304 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:15,307 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:15,330 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:15,330 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:36:15,331 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,353 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:15,354 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2019-12-18 23:36:15,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:15,356 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,450 INFO L614 ElimStorePlain]: treesize reduction 49, result has 65.2 percent of original size [2019-12-18 23:36:15,450 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:15,451 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:48 [2019-12-18 23:36:15,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:15,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:15,531 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:15,532 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,538 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-18 23:36:15,538 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,570 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:15,570 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-18 23:36:15,570 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:47 [2019-12-18 23:36:15,779 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-12-18 23:36:15,780 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,789 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:15,790 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,790 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2019-12-18 23:36:15,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:15,845 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:15,846 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,857 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:15,857 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:15,858 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2019-12-18 23:36:16,222 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:16,236 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:16,236 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:36:16,237 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,281 INFO L614 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2019-12-18 23:36:16,281 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,282 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2019-12-18 23:36:16,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:16,290 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:16,291 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,308 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:16,308 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,308 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2019-12-18 23:36:16,481 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2019-12-18 23:36:16,482 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,496 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:16,496 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,497 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2019-12-18 23:36:16,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:16,564 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:16,565 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,578 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:16,578 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:16,578 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2019-12-18 23:36:16,967 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-18 23:36:16,980 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:16,981 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:36:16,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:16,982 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,030 INFO L614 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2019-12-18 23:36:17,031 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,031 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2019-12-18 23:36:17,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:17,039 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:17,040 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,057 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:17,058 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,058 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2019-12-18 23:36:17,470 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2019-12-18 23:36:17,470 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,483 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:17,484 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,484 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2019-12-18 23:36:17,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-18 23:36:17,589 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:17,589 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,600 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:17,600 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-18 23:36:17,601 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:19 [2019-12-18 23:36:17,924 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:17,925 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2019-12-18 23:36:17,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:36:17,926 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,948 INFO L614 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2019-12-18 23:36:17,948 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,948 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2019-12-18 23:36:17,960 INFO L343 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2019-12-18 23:36:17,960 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2019-12-18 23:36:17,961 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,966 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:17,967 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,967 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2019-12-18 23:36:17,971 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-12-18 23:36:17,971 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,973 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:36:17,973 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:36:17,973 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-12-18 23:36:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 342 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:18,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:36:18,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 52] total 67 [2019-12-18 23:36:18,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003507922] [2019-12-18 23:36:18,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2019-12-18 23:36:18,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:18,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2019-12-18 23:36:18,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=3944, Unknown=0, NotChecked=0, Total=4422 [2019-12-18 23:36:18,434 INFO L87 Difference]: Start difference. First operand 8156 states and 18443 transitions. Second operand 67 states. [2019-12-18 23:37:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:37:01,150 INFO L93 Difference]: Finished difference Result 27619 states and 62935 transitions. [2019-12-18 23:37:01,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2019-12-18 23:37:01,150 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 328 [2019-12-18 23:37:01,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:37:01,171 INFO L225 Difference]: With dead ends: 27619 [2019-12-18 23:37:01,171 INFO L226 Difference]: Without dead ends: 27619 [2019-12-18 23:37:01,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1017 GetRequests, 569 SyntacticMatches, 17 SemanticMatches, 431 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83870 ImplicationChecksByTransitivity, 35.4s TimeCoverageRelationStatistics Valid=17498, Invalid=169558, Unknown=0, NotChecked=0, Total=187056 [2019-12-18 23:37:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27619 states. [2019-12-18 23:37:01,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27619 to 18006. [2019-12-18 23:37:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18006 states. [2019-12-18 23:37:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18006 states to 18006 states and 40994 transitions. [2019-12-18 23:37:01,510 INFO L78 Accepts]: Start accepts. Automaton has 18006 states and 40994 transitions. Word has length 328 [2019-12-18 23:37:01,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:37:01,510 INFO L462 AbstractCegarLoop]: Abstraction has 18006 states and 40994 transitions. [2019-12-18 23:37:01,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 67 states. [2019-12-18 23:37:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 18006 states and 40994 transitions. [2019-12-18 23:37:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-12-18 23:37:01,539 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:37:01,539 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:37:01,744 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:37:01,744 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:37:01,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:37:01,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1413339790, now seen corresponding path program 6 times [2019-12-18 23:37:01,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:37:01,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042315159] [2019-12-18 23:37:01,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:37:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:37:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:37:02,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042315159] [2019-12-18 23:37:02,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327481894] [2019-12-18 23:37:02,083 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:37:03,898 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2019-12-18 23:37:03,898 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-18 23:37:03,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 62 conjunts are in the unsatisfiable core [2019-12-18 23:37:03,910 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:37:03,917 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-18 23:37:03,917 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:03,924 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:03,925 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:03,925 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-12-18 23:37:03,972 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:03,973 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-12-18 23:37:03,973 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:03,996 INFO L614 ElimStorePlain]: treesize reduction 14, result has 60.0 percent of original size [2019-12-18 23:37:03,996 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:03,997 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2019-12-18 23:37:04,022 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-18 23:37:04,022 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,035 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,036 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,036 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2019-12-18 23:37:04,078 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,078 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2019-12-18 23:37:04,079 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,092 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,092 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,093 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2019-12-18 23:37:04,187 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2019-12-18 23:37:04,188 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,205 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,205 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,206 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2019-12-18 23:37:04,229 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2019-12-18 23:37:04,229 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,245 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,246 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,246 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2019-12-18 23:37:04,270 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2019-12-18 23:37:04,271 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,282 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,282 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,283 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:30 [2019-12-18 23:37:04,493 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2019-12-18 23:37:04,498 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-12-18 23:37:04,498 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,503 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,503 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-18 23:37:04,515 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,516 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-18 23:37:04,516 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:32 [2019-12-18 23:37:04,797 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-18 23:37:04,797 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 97 [2019-12-18 23:37:04,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-18 23:37:04,833 INFO L430 ElimStorePlain]: Different costs {0=[v_arrayElimCell_57], 1=[v_arrayElimCell_56]} [2019-12-18 23:37:05,039 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:37:05,040 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@3016808b at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:464) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@3016808b at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.lock(ManagedScript.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:585) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) ... 22 more [2019-12-18 23:37:05,046 INFO L168 Benchmark]: Toolchain (without parser) took 80618.09 ms. Allocated memory was 145.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 100.1 MB in the beginning and 164.1 MB in the end (delta: -64.0 MB). Peak memory consumption was 947.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,046 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 985.59 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 99.9 MB in the beginning and 134.9 MB in the end (delta: -35.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.79 ms. Allocated memory is still 204.5 MB. Free memory was 134.9 MB in the beginning and 132.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,047 INFO L168 Benchmark]: Boogie Preprocessor took 76.43 ms. Allocated memory is still 204.5 MB. Free memory was 132.3 MB in the beginning and 129.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,048 INFO L168 Benchmark]: RCFGBuilder took 741.54 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 129.6 MB in the beginning and 204.4 MB in the end (delta: -74.8 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,049 INFO L168 Benchmark]: TraceAbstraction took 78673.42 ms. Allocated memory was 236.5 MB in the beginning and 1.2 GB in the end (delta: 921.2 MB). Free memory was 203.0 MB in the beginning and 164.1 MB in the end (delta: 38.9 MB). Peak memory consumption was 960.1 MB. Max. memory is 7.1 GB. [2019-12-18 23:37:05,051 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 985.59 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 99.9 MB in the beginning and 134.9 MB in the end (delta: -35.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 135.79 ms. Allocated memory is still 204.5 MB. Free memory was 134.9 MB in the beginning and 132.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.43 ms. Allocated memory is still 204.5 MB. Free memory was 132.3 MB in the beginning and 129.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 741.54 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 129.6 MB in the beginning and 204.4 MB in the end (delta: -74.8 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 78673.42 ms. Allocated memory was 236.5 MB in the beginning and 1.2 GB in the end (delta: 921.2 MB). Free memory was 203.0 MB in the beginning and 164.1 MB in the end (delta: 38.9 MB). Peak memory consumption was 960.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@3016808b de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@3016808b: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...