/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:14:05,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:14:05,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:14:05,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:14:05,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:14:05,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:14:05,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:14:05,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:14:05,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:14:05,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:14:05,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:14:05,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:14:05,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:14:05,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:14:05,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:14:05,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:14:05,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:14:05,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:14:05,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:14:05,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:14:05,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:14:05,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:14:05,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:14:05,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:14:05,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:14:05,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:14:05,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:14:05,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:14:05,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:14:05,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:14:05,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:14:05,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:14:05,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:14:05,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:14:05,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:14:05,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:14:05,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:14:05,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:14:05,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:14:05,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:14:05,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:14:05,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:14:06,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:14:06,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:14:06,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:14:06,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:14:06,008 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:14:06,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:14:06,009 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:14:06,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:14:06,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:14:06,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:14:06,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:14:06,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:14:06,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:14:06,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:14:06,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:14:06,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:14:06,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:14:06,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:14:06,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:14:06,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:14:06,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:14:06,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:14:06,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:14:06,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:14:06,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:14:06,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:14:06,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:14:06,013 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:14:06,013 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:14:06,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:14:06,013 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:14:06,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:14:06,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:14:06,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:14:06,342 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:14:06,342 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:14:06,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2020-10-22 01:14:06,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d953b3a0/8454dd22b5d447a28bf8292ff3e514a6/FLAG1e1c59f66 [2020-10-22 01:14:06,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:14:06,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2020-10-22 01:14:07,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d953b3a0/8454dd22b5d447a28bf8292ff3e514a6/FLAG1e1c59f66 [2020-10-22 01:14:07,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d953b3a0/8454dd22b5d447a28bf8292ff3e514a6 [2020-10-22 01:14:07,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:14:07,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:14:07,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:14:07,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:14:07,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:14:07,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:14:07" (1/1) ... [2020-10-22 01:14:07,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e0b9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:07, skipping insertion in model container [2020-10-22 01:14:07,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:14:07" (1/1) ... [2020-10-22 01:14:07,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:14:07,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:14:07,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:14:07,999 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:14:08,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:14:08,203 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:14:08,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08 WrapperNode [2020-10-22 01:14:08,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:14:08,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:14:08,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:14:08,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:14:08,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:14:08,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:14:08,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:14:08,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:14:08,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... [2020-10-22 01:14:08,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:14:08,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:14:08,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:14:08,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:14:08,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:14:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-22 01:14:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-22 01:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-22 01:14:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-22 01:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:14:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:14:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:14:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:14:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:14:08,433 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:14:09,129 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:14:09,130 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-22 01:14:09,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:14:09 BoogieIcfgContainer [2020-10-22 01:14:09,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:14:09,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:14:09,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:14:09,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:14:09,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:14:07" (1/3) ... [2020-10-22 01:14:09,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1470fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:14:09, skipping insertion in model container [2020-10-22 01:14:09,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:08" (2/3) ... [2020-10-22 01:14:09,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1470fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:14:09, skipping insertion in model container [2020-10-22 01:14:09,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:14:09" (3/3) ... [2020-10-22 01:14:09,143 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2020-10-22 01:14:09,156 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:14:09,156 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:14:09,165 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-22 01:14:09,166 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:14:09,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,211 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,222 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,222 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,223 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,223 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,226 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,226 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,226 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,228 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,228 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,242 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,242 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,243 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,244 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,245 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,245 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,246 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,246 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,246 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,246 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,246 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,246 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,247 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,247 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,248 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,248 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,248 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,248 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,249 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,249 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,249 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,249 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,250 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,250 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,250 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,250 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,250 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,251 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,251 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,251 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,251 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,251 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,252 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,252 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,252 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,252 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,253 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,253 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,253 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,253 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,253 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,253 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,254 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,254 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,254 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,254 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,255 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,255 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,256 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,257 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,257 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,257 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,257 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,257 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,258 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,258 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,258 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,258 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,258 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,259 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,260 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,260 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,260 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,261 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,262 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,262 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,262 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,262 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,262 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,263 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,263 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,263 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,263 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,263 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,264 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,264 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,264 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,264 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,264 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,265 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,265 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,265 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,266 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,266 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,266 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,266 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,266 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,267 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,267 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,268 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,270 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,271 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,271 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,272 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,281 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,282 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,283 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,283 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,283 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,283 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,283 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,284 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,284 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,294 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,294 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,294 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,295 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,297 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:09,310 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:14:09,324 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-22 01:14:09,343 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:14:09,343 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:14:09,343 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:14:09,343 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:14:09,343 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:14:09,343 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:14:09,344 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:14:09,344 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:14:09,367 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:14:09,368 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 263 transitions, 548 flow [2020-10-22 01:14:09,371 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 263 transitions, 548 flow [2020-10-22 01:14:09,373 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 250 places, 263 transitions, 548 flow [2020-10-22 01:14:09,551 INFO L129 PetriNetUnfolder]: 19/263 cut-off events. [2020-10-22 01:14:09,551 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 01:14:09,566 INFO L80 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 263 events. 19/263 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 434 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2020-10-22 01:14:09,583 INFO L116 LiptonReduction]: Number of co-enabled transitions 16756 [2020-10-22 01:14:13,041 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-10-22 01:14:13,153 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-22 01:14:13,749 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-22 01:14:13,935 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-22 01:14:15,833 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2020-10-22 01:14:16,454 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-22 01:14:16,549 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:20,158 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 188 DAG size of output: 178 [2020-10-22 01:14:21,107 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-22 01:14:21,123 INFO L131 LiptonReduction]: Checked pairs total: 41140 [2020-10-22 01:14:21,124 INFO L133 LiptonReduction]: Total number of compositions: 231 [2020-10-22 01:14:21,130 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 76 transitions, 174 flow [2020-10-22 01:14:21,212 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1461 states. [2020-10-22 01:14:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states. [2020-10-22 01:14:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-22 01:14:21,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:21,224 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-22 01:14:21,225 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:21,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:21,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1044, now seen corresponding path program 1 times [2020-10-22 01:14:21,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:21,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759099291] [2020-10-22 01:14:21,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:21,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759099291] [2020-10-22 01:14:21,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:21,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-22 01:14:21,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1297094675] [2020-10-22 01:14:21,437 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:21,439 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:21,447 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-22 01:14:21,447 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:21,451 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:21,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 01:14:21,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:21,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 01:14:21,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:14:21,470 INFO L87 Difference]: Start difference. First operand 1461 states. Second operand 2 states. [2020-10-22 01:14:21,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:21,541 INFO L93 Difference]: Finished difference Result 1460 states and 3846 transitions. [2020-10-22 01:14:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 01:14:21,543 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-22 01:14:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:21,571 INFO L225 Difference]: With dead ends: 1460 [2020-10-22 01:14:21,572 INFO L226 Difference]: Without dead ends: 1295 [2020-10-22 01:14:21,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:14:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-22 01:14:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-22 01:14:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-22 01:14:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 3440 transitions. [2020-10-22 01:14:21,729 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 3440 transitions. Word has length 1 [2020-10-22 01:14:21,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:21,730 INFO L481 AbstractCegarLoop]: Abstraction has 1295 states and 3440 transitions. [2020-10-22 01:14:21,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 01:14:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3440 transitions. [2020-10-22 01:14:21,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:14:21,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:21,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:21,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:14:21,733 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:21,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:21,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1681910440, now seen corresponding path program 1 times [2020-10-22 01:14:21,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:21,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849684469] [2020-10-22 01:14:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:21,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849684469] [2020-10-22 01:14:21,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:21,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:14:21,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [156293110] [2020-10-22 01:14:21,899 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:21,901 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:21,904 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:14:21,904 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:21,905 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:21,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:14:21,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:21,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:14:21,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:21,907 INFO L87 Difference]: Start difference. First operand 1295 states and 3440 transitions. Second operand 3 states. [2020-10-22 01:14:21,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:21,939 INFO L93 Difference]: Finished difference Result 1295 states and 3395 transitions. [2020-10-22 01:14:21,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:21,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-22 01:14:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:21,950 INFO L225 Difference]: With dead ends: 1295 [2020-10-22 01:14:21,950 INFO L226 Difference]: Without dead ends: 1295 [2020-10-22 01:14:21,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-22 01:14:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-22 01:14:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-22 01:14:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 3395 transitions. [2020-10-22 01:14:22,057 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 3395 transitions. Word has length 11 [2020-10-22 01:14:22,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:22,057 INFO L481 AbstractCegarLoop]: Abstraction has 1295 states and 3395 transitions. [2020-10-22 01:14:22,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:14:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3395 transitions. [2020-10-22 01:14:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:14:22,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:22,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:22,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:14:22,064 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:22,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:22,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1407246274, now seen corresponding path program 1 times [2020-10-22 01:14:22,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:22,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752816738] [2020-10-22 01:14:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:22,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752816738] [2020-10-22 01:14:22,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:22,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:14:22,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1046808904] [2020-10-22 01:14:22,472 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:22,474 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:22,476 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 01:14:22,477 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:22,477 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:22,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:14:22,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:22,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:14:22,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:14:22,479 INFO L87 Difference]: Start difference. First operand 1295 states and 3395 transitions. Second operand 5 states. [2020-10-22 01:14:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:22,942 INFO L93 Difference]: Finished difference Result 1294 states and 3392 transitions. [2020-10-22 01:14:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:14:22,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 01:14:22,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:22,954 INFO L225 Difference]: With dead ends: 1294 [2020-10-22 01:14:22,955 INFO L226 Difference]: Without dead ends: 1294 [2020-10-22 01:14:22,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:22,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2020-10-22 01:14:22,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2020-10-22 01:14:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2020-10-22 01:14:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 3392 transitions. [2020-10-22 01:14:23,006 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 3392 transitions. Word has length 13 [2020-10-22 01:14:23,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:23,006 INFO L481 AbstractCegarLoop]: Abstraction has 1294 states and 3392 transitions. [2020-10-22 01:14:23,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:14:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 3392 transitions. [2020-10-22 01:14:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:14:23,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:23,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:23,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:14:23,014 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:23,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:23,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1823525994, now seen corresponding path program 1 times [2020-10-22 01:14:23,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:23,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607288255] [2020-10-22 01:14:23,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:23,323 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-22 01:14:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:23,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607288255] [2020-10-22 01:14:23,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:23,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:14:23,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [235415009] [2020-10-22 01:14:23,433 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:23,435 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:23,439 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:14:23,439 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:23,440 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:23,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:14:23,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:23,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:14:23,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:23,441 INFO L87 Difference]: Start difference. First operand 1294 states and 3392 transitions. Second operand 6 states. [2020-10-22 01:14:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:23,967 INFO L93 Difference]: Finished difference Result 1477 states and 3851 transitions. [2020-10-22 01:14:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:14:23,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-22 01:14:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:23,978 INFO L225 Difference]: With dead ends: 1477 [2020-10-22 01:14:23,978 INFO L226 Difference]: Without dead ends: 1477 [2020-10-22 01:14:23,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:14:23,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2020-10-22 01:14:24,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1429. [2020-10-22 01:14:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2020-10-22 01:14:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 3731 transitions. [2020-10-22 01:14:24,026 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 3731 transitions. Word has length 14 [2020-10-22 01:14:24,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:24,026 INFO L481 AbstractCegarLoop]: Abstraction has 1429 states and 3731 transitions. [2020-10-22 01:14:24,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:14:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 3731 transitions. [2020-10-22 01:14:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:14:24,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:24,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:24,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:14:24,028 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:24,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:24,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1258707458, now seen corresponding path program 2 times [2020-10-22 01:14:24,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:24,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471793049] [2020-10-22 01:14:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:24,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471793049] [2020-10-22 01:14:24,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:24,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:14:24,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1963102158] [2020-10-22 01:14:24,437 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:24,439 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:24,481 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:14:24,481 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:24,481 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:24,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:14:24,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:24,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:14:24,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:24,485 INFO L87 Difference]: Start difference. First operand 1429 states and 3731 transitions. Second operand 6 states. [2020-10-22 01:14:24,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:24,994 INFO L93 Difference]: Finished difference Result 1531 states and 3986 transitions. [2020-10-22 01:14:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:14:24,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-22 01:14:24,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:25,004 INFO L225 Difference]: With dead ends: 1531 [2020-10-22 01:14:25,004 INFO L226 Difference]: Without dead ends: 1531 [2020-10-22 01:14:25,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:14:25,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-10-22 01:14:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1417. [2020-10-22 01:14:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2020-10-22 01:14:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 3700 transitions. [2020-10-22 01:14:25,049 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 3700 transitions. Word has length 14 [2020-10-22 01:14:25,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:25,049 INFO L481 AbstractCegarLoop]: Abstraction has 1417 states and 3700 transitions. [2020-10-22 01:14:25,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:14:25,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 3700 transitions. [2020-10-22 01:14:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:14:25,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:25,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:25,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:14:25,051 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:25,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:25,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1202353470, now seen corresponding path program 1 times [2020-10-22 01:14:25,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:25,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67971514] [2020-10-22 01:14:25,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:25,297 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-10-22 01:14:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:25,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67971514] [2020-10-22 01:14:25,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:25,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-22 01:14:25,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1621432149] [2020-10-22 01:14:25,638 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:25,640 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:25,643 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:14:25,643 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:25,643 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:25,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-22 01:14:25,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:25,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-22 01:14:25,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-22 01:14:25,645 INFO L87 Difference]: Start difference. First operand 1417 states and 3700 transitions. Second operand 10 states. [2020-10-22 01:14:25,914 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-10-22 01:14:26,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:26,597 INFO L93 Difference]: Finished difference Result 1422 states and 3711 transitions. [2020-10-22 01:14:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:14:26,599 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-22 01:14:26,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:26,608 INFO L225 Difference]: With dead ends: 1422 [2020-10-22 01:14:26,608 INFO L226 Difference]: Without dead ends: 1422 [2020-10-22 01:14:26,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:14:26,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-10-22 01:14:26,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1415. [2020-10-22 01:14:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1415 states. [2020-10-22 01:14:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 3696 transitions. [2020-10-22 01:14:26,648 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 3696 transitions. Word has length 14 [2020-10-22 01:14:26,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:26,648 INFO L481 AbstractCegarLoop]: Abstraction has 1415 states and 3696 transitions. [2020-10-22 01:14:26,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-22 01:14:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 3696 transitions. [2020-10-22 01:14:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:14:26,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:26,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:26,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:14:26,650 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:26,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:26,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1065040354, now seen corresponding path program 1 times [2020-10-22 01:14:26,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:26,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479952282] [2020-10-22 01:14:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:26,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479952282] [2020-10-22 01:14:26,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:26,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:14:26,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [107355350] [2020-10-22 01:14:26,689 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:26,691 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:26,695 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:14:26,695 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:26,695 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:26,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:14:26,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:26,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:14:26,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:26,697 INFO L87 Difference]: Start difference. First operand 1415 states and 3696 transitions. Second operand 3 states. [2020-10-22 01:14:26,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:26,711 INFO L93 Difference]: Finished difference Result 1102 states and 2818 transitions. [2020-10-22 01:14:26,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:26,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-22 01:14:26,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:26,718 INFO L225 Difference]: With dead ends: 1102 [2020-10-22 01:14:26,719 INFO L226 Difference]: Without dead ends: 1065 [2020-10-22 01:14:26,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-10-22 01:14:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2020-10-22 01:14:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-10-22 01:14:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2732 transitions. [2020-10-22 01:14:26,789 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2732 transitions. Word has length 14 [2020-10-22 01:14:26,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:26,790 INFO L481 AbstractCegarLoop]: Abstraction has 1065 states and 2732 transitions. [2020-10-22 01:14:26,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:14:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2732 transitions. [2020-10-22 01:14:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:14:26,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:26,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:26,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:14:26,791 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:26,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:26,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1722921326, now seen corresponding path program 1 times [2020-10-22 01:14:26,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:26,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856525349] [2020-10-22 01:14:26,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:27,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856525349] [2020-10-22 01:14:27,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:27,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-22 01:14:27,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1177231584] [2020-10-22 01:14:27,258 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:27,260 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:27,263 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 01:14:27,263 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:27,264 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:27,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:14:27,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:27,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:14:27,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:14:27,265 INFO L87 Difference]: Start difference. First operand 1065 states and 2732 transitions. Second operand 11 states. [2020-10-22 01:14:27,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:27,944 INFO L93 Difference]: Finished difference Result 1190 states and 3041 transitions. [2020-10-22 01:14:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:14:27,945 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-22 01:14:27,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:27,952 INFO L225 Difference]: With dead ends: 1190 [2020-10-22 01:14:27,952 INFO L226 Difference]: Without dead ends: 1135 [2020-10-22 01:14:27,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:14:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-22 01:14:27,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1058. [2020-10-22 01:14:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-22 01:14:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2725 transitions. [2020-10-22 01:14:27,979 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2725 transitions. Word has length 15 [2020-10-22 01:14:27,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:27,980 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 2725 transitions. [2020-10-22 01:14:27,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:14:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2725 transitions. [2020-10-22 01:14:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:14:27,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:27,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:27,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:14:27,981 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:27,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:27,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1381979900, now seen corresponding path program 2 times [2020-10-22 01:14:27,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:27,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050212084] [2020-10-22 01:14:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:28,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050212084] [2020-10-22 01:14:28,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:28,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-22 01:14:28,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1582939480] [2020-10-22 01:14:28,411 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:28,413 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:28,416 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 01:14:28,416 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:28,417 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:28,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:14:28,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:28,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:14:28,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:14:28,418 INFO L87 Difference]: Start difference. First operand 1058 states and 2725 transitions. Second operand 11 states. [2020-10-22 01:14:29,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:29,060 INFO L93 Difference]: Finished difference Result 1122 states and 2886 transitions. [2020-10-22 01:14:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:14:29,061 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-22 01:14:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:29,067 INFO L225 Difference]: With dead ends: 1122 [2020-10-22 01:14:29,068 INFO L226 Difference]: Without dead ends: 1107 [2020-10-22 01:14:29,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:14:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-10-22 01:14:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1026. [2020-10-22 01:14:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-10-22 01:14:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 2649 transitions. [2020-10-22 01:14:29,095 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 2649 transitions. Word has length 15 [2020-10-22 01:14:29,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:29,096 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 2649 transitions. [2020-10-22 01:14:29,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:14:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 2649 transitions. [2020-10-22 01:14:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:14:29,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:29,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:29,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:14:29,097 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:29,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:29,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1381864580, now seen corresponding path program 3 times [2020-10-22 01:14:29,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:29,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963148285] [2020-10-22 01:14:29,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:34,776 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-22 01:14:35,042 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-22 01:14:35,532 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2020-10-22 01:14:36,338 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-10-22 01:14:37,208 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-10-22 01:14:37,756 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2020-10-22 01:14:38,440 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-22 01:14:39,235 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-10-22 01:14:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:39,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963148285] [2020-10-22 01:14:39,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:39,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-22 01:14:39,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [93399692] [2020-10-22 01:14:39,454 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:39,455 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:39,458 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 01:14:39,458 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:39,458 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:39,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-22 01:14:39,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:39,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-22 01:14:39,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:14:39,460 INFO L87 Difference]: Start difference. First operand 1026 states and 2649 transitions. Second operand 12 states. [2020-10-22 01:14:39,994 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-22 01:14:42,842 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-10-22 01:14:47,550 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 101 [2020-10-22 01:14:55,229 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification that was a NOOP. DAG size: 113 [2020-10-22 01:15:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:07,848 INFO L93 Difference]: Finished difference Result 1042 states and 2701 transitions. [2020-10-22 01:15:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 01:15:07,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-10-22 01:15:07,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:07,855 INFO L225 Difference]: With dead ends: 1042 [2020-10-22 01:15:07,855 INFO L226 Difference]: Without dead ends: 1037 [2020-10-22 01:15:07,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2020-10-22 01:15:07,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2020-10-22 01:15:07,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 978. [2020-10-22 01:15:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-10-22 01:15:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 2540 transitions. [2020-10-22 01:15:07,880 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 2540 transitions. Word has length 15 [2020-10-22 01:15:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:07,880 INFO L481 AbstractCegarLoop]: Abstraction has 978 states and 2540 transitions. [2020-10-22 01:15:07,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-22 01:15:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 2540 transitions. [2020-10-22 01:15:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-22 01:15:07,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:07,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:07,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 01:15:07,883 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:07,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:07,883 INFO L82 PathProgramCache]: Analyzing trace with hash 297856594, now seen corresponding path program 1 times [2020-10-22 01:15:07,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:07,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887620138] [2020-10-22 01:15:07,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:07,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887620138] [2020-10-22 01:15:07,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:15:07,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:15:07,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1171866388] [2020-10-22 01:15:07,933 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:07,943 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:07,980 INFO L252 McrAutomatonBuilder]: Finished intersection with 65 states and 91 transitions. [2020-10-22 01:15:07,981 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:08,574 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [40762#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2020-10-22 01:15:08,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:15:08,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:08,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:15:08,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:15:08,576 INFO L87 Difference]: Start difference. First operand 978 states and 2540 transitions. Second operand 4 states. [2020-10-22 01:15:08,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:08,623 INFO L93 Difference]: Finished difference Result 483 states and 1074 transitions. [2020-10-22 01:15:08,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:15:08,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-10-22 01:15:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:08,626 INFO L225 Difference]: With dead ends: 483 [2020-10-22 01:15:08,626 INFO L226 Difference]: Without dead ends: 483 [2020-10-22 01:15:08,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:15:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-22 01:15:08,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 395. [2020-10-22 01:15:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-10-22 01:15:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 879 transitions. [2020-10-22 01:15:08,636 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 879 transitions. Word has length 37 [2020-10-22 01:15:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:08,637 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 879 transitions. [2020-10-22 01:15:08,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:15:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 879 transitions. [2020-10-22 01:15:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-22 01:15:08,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:08,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:08,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-22 01:15:08,639 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:08,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:08,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1991724182, now seen corresponding path program 1 times [2020-10-22 01:15:08,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:08,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250600079] [2020-10-22 01:15:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:08,900 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-10-22 01:15:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:09,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250600079] [2020-10-22 01:15:09,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:15:09,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-22 01:15:09,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2108780030] [2020-10-22 01:15:09,416 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:09,426 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:09,466 INFO L252 McrAutomatonBuilder]: Finished intersection with 83 states and 126 transitions. [2020-10-22 01:15:09,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:10,556 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:10,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-22 01:15:10,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:10,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-22 01:15:10,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:15:10,558 INFO L87 Difference]: Start difference. First operand 395 states and 879 transitions. Second operand 14 states. [2020-10-22 01:15:11,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:11,401 INFO L93 Difference]: Finished difference Result 475 states and 1054 transitions. [2020-10-22 01:15:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 01:15:11,403 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-10-22 01:15:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:11,406 INFO L225 Difference]: With dead ends: 475 [2020-10-22 01:15:11,406 INFO L226 Difference]: Without dead ends: 475 [2020-10-22 01:15:11,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2020-10-22 01:15:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-10-22 01:15:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 459. [2020-10-22 01:15:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-22 01:15:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 1020 transitions. [2020-10-22 01:15:11,415 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 1020 transitions. Word has length 38 [2020-10-22 01:15:11,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:11,416 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 1020 transitions. [2020-10-22 01:15:11,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-22 01:15:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1020 transitions. [2020-10-22 01:15:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-22 01:15:11,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:11,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:11,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-22 01:15:11,417 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 678803629, now seen corresponding path program 1 times [2020-10-22 01:15:11,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:11,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104432476] [2020-10-22 01:15:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:11,716 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-10-22 01:15:11,906 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-10-22 01:15:12,042 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-10-22 01:15:12,196 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-10-22 01:15:12,324 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-10-22 01:15:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:13,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104432476] [2020-10-22 01:15:13,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:15:13,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-22 01:15:13,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1684967571] [2020-10-22 01:15:13,095 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:13,103 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:13,140 INFO L252 McrAutomatonBuilder]: Finished intersection with 86 states and 131 transitions. [2020-10-22 01:15:13,140 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:15,347 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:15,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-22 01:15:15,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:15,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-22 01:15:15,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:15:15,348 INFO L87 Difference]: Start difference. First operand 459 states and 1020 transitions. Second operand 18 states. [2020-10-22 01:15:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:16,667 INFO L93 Difference]: Finished difference Result 736 states and 1638 transitions. [2020-10-22 01:15:16,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:15:16,668 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 39 [2020-10-22 01:15:16,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:16,674 INFO L225 Difference]: With dead ends: 736 [2020-10-22 01:15:16,674 INFO L226 Difference]: Without dead ends: 736 [2020-10-22 01:15:16,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 9 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-22 01:15:16,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-10-22 01:15:16,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 692. [2020-10-22 01:15:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-10-22 01:15:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1545 transitions. [2020-10-22 01:15:16,695 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1545 transitions. Word has length 39 [2020-10-22 01:15:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:16,696 INFO L481 AbstractCegarLoop]: Abstraction has 692 states and 1545 transitions. [2020-10-22 01:15:16,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-22 01:15:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1545 transitions. [2020-10-22 01:15:16,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-22 01:15:16,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:16,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:16,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-22 01:15:16,702 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:16,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:16,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1645076593, now seen corresponding path program 2 times [2020-10-22 01:15:16,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:16,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478484182] [2020-10-22 01:15:16,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:17,136 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-22 01:15:17,421 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-10-22 01:15:17,578 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-10-22 01:15:17,777 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-10-22 01:15:17,988 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-10-22 01:15:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:19,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478484182] [2020-10-22 01:15:19,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:15:19,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-22 01:15:19,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1971757695] [2020-10-22 01:15:19,006 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:19,014 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:19,043 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 103 transitions. [2020-10-22 01:15:19,044 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:20,234 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:20,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-22 01:15:20,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:20,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-22 01:15:20,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-22 01:15:20,236 INFO L87 Difference]: Start difference. First operand 692 states and 1545 transitions. Second operand 19 states. [2020-10-22 01:15:20,595 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-10-22 01:15:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:22,327 INFO L93 Difference]: Finished difference Result 878 states and 1961 transitions. [2020-10-22 01:15:22,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:15:22,328 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2020-10-22 01:15:22,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:22,333 INFO L225 Difference]: With dead ends: 878 [2020-10-22 01:15:22,334 INFO L226 Difference]: Without dead ends: 878 [2020-10-22 01:15:22,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 33 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2020-10-22 01:15:22,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-10-22 01:15:22,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 603. [2020-10-22 01:15:22,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-10-22 01:15:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 1347 transitions. [2020-10-22 01:15:22,347 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 1347 transitions. Word has length 39 [2020-10-22 01:15:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:22,348 INFO L481 AbstractCegarLoop]: Abstraction has 603 states and 1347 transitions. [2020-10-22 01:15:22,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-22 01:15:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1347 transitions. [2020-10-22 01:15:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-22 01:15:22,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:22,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:22,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-22 01:15:22,350 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:22,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:22,351 INFO L82 PathProgramCache]: Analyzing trace with hash -691457169, now seen corresponding path program 3 times [2020-10-22 01:15:22,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:22,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317167692] [2020-10-22 01:15:22,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:22,757 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-10-22 01:15:23,017 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2020-10-22 01:15:23,204 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-10-22 01:15:23,448 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-10-22 01:15:23,658 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-22 01:15:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:24,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317167692] [2020-10-22 01:15:24,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:15:24,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-22 01:15:24,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [193650978] [2020-10-22 01:15:24,711 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:24,719 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:24,739 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 57 transitions. [2020-10-22 01:15:24,739 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:24,867 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:24,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-22 01:15:24,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:24,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-22 01:15:24,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2020-10-22 01:15:24,869 INFO L87 Difference]: Start difference. First operand 603 states and 1347 transitions. Second operand 20 states. [2020-10-22 01:15:25,235 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-22 01:15:25,897 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-10-22 01:15:27,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:27,109 INFO L93 Difference]: Finished difference Result 867 states and 1936 transitions. [2020-10-22 01:15:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-22 01:15:27,111 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 39 [2020-10-22 01:15:27,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:27,115 INFO L225 Difference]: With dead ends: 867 [2020-10-22 01:15:27,115 INFO L226 Difference]: Without dead ends: 867 [2020-10-22 01:15:27,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2020-10-22 01:15:27,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-10-22 01:15:27,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 611. [2020-10-22 01:15:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-10-22 01:15:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1364 transitions. [2020-10-22 01:15:27,131 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1364 transitions. Word has length 39 [2020-10-22 01:15:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:27,131 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1364 transitions. [2020-10-22 01:15:27,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-22 01:15:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1364 transitions. [2020-10-22 01:15:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-22 01:15:27,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:27,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:27,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-22 01:15:27,134 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:27,134 INFO L82 PathProgramCache]: Analyzing trace with hash -433606476, now seen corresponding path program 1 times [2020-10-22 01:15:27,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:27,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438409081] [2020-10-22 01:15:27,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:27,555 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-10-22 01:15:27,761 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-10-22 01:15:27,955 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-10-22 01:15:28,107 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-22 01:15:28,292 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-10-22 01:15:28,509 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-22 01:15:28,805 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-10-22 01:15:29,045 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2020-10-22 01:15:29,305 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 52 [2020-10-22 01:15:29,541 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-22 01:15:29,763 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-22 01:15:30,224 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2020-10-22 01:15:30,409 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-10-22 01:15:30,614 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-10-22 01:15:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:30,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438409081] [2020-10-22 01:15:30,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:15:30,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-22 01:15:30,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [358418460] [2020-10-22 01:15:30,775 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:30,788 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:30,833 INFO L252 McrAutomatonBuilder]: Finished intersection with 87 states and 132 transitions. [2020-10-22 01:15:30,833 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:31,614 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-22 01:15:33,089 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2020-10-22 01:15:33,685 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2020-10-22 01:15:34,657 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-10-22 01:15:35,119 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-10-22 01:15:35,121 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:15:35,414 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2020-10-22 01:15:35,615 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-10-22 01:15:51,138 WARN L193 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2020-10-22 01:15:51,551 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 40 [2020-10-22 01:15:52,095 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 11 new interpolants: [49873#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (or (and (<= (select (select |#memory_int| |~#queue~0.base|) 0) 0) (<= 0 (select (select |#memory_int| |~#queue~0.base|) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 0))) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= |~#queue~0.offset| 0)), 49874#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (or (and (<= (select (select |#memory_int| |~#queue~0.base|) 0) 0) (<= 0 (select (select |#memory_int| |~#queue~0.base|) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 0))) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= |~#queue~0.offset| 0)), 49875#(and (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0))) (= |~#queue~0.offset| 0) (or (and (<= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0) 0) (<= 0 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49876#(and (not (= (+ (* 4 |t1Thread1of1ForFork1_enqueue_#t~mem40|) t1Thread1of1ForFork1_enqueue_~q.offset) 1600)) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0))) (not (= (+ (* 4 |t1Thread1of1ForFork1_enqueue_#t~mem40|) t1Thread1of1ForFork1_enqueue_~q.offset) 0)) (= |~#queue~0.offset| 0) (or (and (<= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0) 0) (<= 0 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49877#(and (<= (* 4 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) (+ t1Thread1of1ForFork1_enqueue_~q.offset 1604))) 4) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (<= 1 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) (+ t1Thread1of1ForFork1_enqueue_~q.offset 1604))) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0))) (= |~#queue~0.offset| 0) (or (and (<= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0) 0) (<= 0 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49878#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (<= (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604)) 4) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (or (and (<= (select (select |#memory_int| |~#queue~0.base|) 0) 0) (<= 0 (select (select |#memory_int| |~#queue~0.base|) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 0))) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 1604)) (= |~#queue~0.offset| 0)), 49879#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (<= (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604)) 4) (or (and (<= (select (select |#memory_int| |~#queue~0.base|) 0) 0) (<= 0 (select (select |#memory_int| |~#queue~0.base|) 0))) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 0))) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 1604)) (= |~#queue~0.offset| 0)), 49880#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (or (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 1)) (<= 1 (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 0))) (<= (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 1604) 1) (or (and (<= 0 (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 0)) (<= (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 0) 0)) (not (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) 0))) (= |t1Thread1of1ForFork1_empty_#in~q.offset| 0) (= |~#queue~0.base| |t1Thread1of1ForFork1_empty_#in~q.base|) (<= 1 (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 1604)) (= (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 1600) 0) (= |~#queue~0.offset| 0)), 49881#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (<= (select (select |#memory_int| |~#queue~0.base|) 1604) 1) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= (select (select |#memory_int| |~#queue~0.base|) 0) t1Thread1of1ForFork1_~value~0) (<= 1 (select (select |#memory_int| |~#queue~0.base|) 1604)) (= |~#queue~0.offset| 0)), 49882#(and (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) t1Thread1of1ForFork1_enqueue_~q.offset) t1Thread1of1ForFork1_~value~0) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (<= 0 |t1Thread1of1ForFork1_enqueue_#t~mem44|) (<= |t1Thread1of1ForFork1_enqueue_#t~mem44| 0) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49883#(and (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) (+ t1Thread1of1ForFork1_enqueue_~q.offset 1604)) 0) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) t1Thread1of1ForFork1_enqueue_~q.offset) t1Thread1of1ForFork1_~value~0) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0))] [2020-10-22 01:15:52,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-22 01:15:52,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:52,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-22 01:15:52,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=928, Unknown=0, NotChecked=0, Total=1056 [2020-10-22 01:15:52,097 INFO L87 Difference]: Start difference. First operand 611 states and 1364 transitions. Second operand 33 states. [2020-10-22 01:15:53,862 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-22 01:15:54,638 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-10-22 01:15:54,859 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-10-22 01:15:55,286 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-22 01:15:55,492 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-10-22 01:15:55,850 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2020-10-22 01:15:56,403 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-10-22 01:15:56,778 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-10-22 01:15:58,341 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-22 01:15:58,713 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-22 01:15:59,027 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-22 01:15:59,240 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-22 01:15:59,426 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-22 01:15:59,783 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-22 01:16:00,328 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-22 01:16:00,678 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-22 01:16:01,117 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-10-22 01:16:01,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:16:01,378 INFO L93 Difference]: Finished difference Result 1218 states and 2712 transitions. [2020-10-22 01:16:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-22 01:16:01,380 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 40 [2020-10-22 01:16:01,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:16:01,387 INFO L225 Difference]: With dead ends: 1218 [2020-10-22 01:16:01,387 INFO L226 Difference]: Without dead ends: 1178 [2020-10-22 01:16:01,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 30 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 874 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=404, Invalid=3136, Unknown=0, NotChecked=0, Total=3540 [2020-10-22 01:16:01,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2020-10-22 01:16:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 775. [2020-10-22 01:16:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-22 01:16:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1709 transitions. [2020-10-22 01:16:01,407 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1709 transitions. Word has length 40 [2020-10-22 01:16:01,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:16:01,407 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1709 transitions. [2020-10-22 01:16:01,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-22 01:16:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1709 transitions. [2020-10-22 01:16:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-22 01:16:01,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:16:01,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:16:01,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-22 01:16:01,409 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:16:01,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:16:01,410 INFO L82 PathProgramCache]: Analyzing trace with hash -543915664, now seen corresponding path program 2 times [2020-10-22 01:16:01,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:16:01,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250741264] [2020-10-22 01:16:01,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:16:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-22 01:18:17,343 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,354 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,371 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,372 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,373 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,377 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,378 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,378 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-22 01:18:17,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-22 01:18:17,384 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 01:18:17,391 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 01:18:17,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:18:17 BasicIcfg [2020-10-22 01:18:17,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:18:17,396 INFO L168 Benchmark]: Toolchain (without parser) took 250113.36 ms. Allocated memory was 137.4 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 98.5 MB in the beginning and 931.2 MB in the end (delta: -832.7 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,400 INFO L168 Benchmark]: CDTParser took 3.15 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 916.41 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 97.6 MB in the beginning and 128.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.63 ms. Allocated memory is still 201.3 MB. Free memory was 128.0 MB in the beginning and 124.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,401 INFO L168 Benchmark]: Boogie Preprocessor took 46.10 ms. Allocated memory is still 201.3 MB. Free memory was 124.9 MB in the beginning and 122.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,402 INFO L168 Benchmark]: RCFGBuilder took 775.62 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 122.8 MB in the beginning and 189.2 MB in the end (delta: -66.5 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,408 INFO L168 Benchmark]: TraceAbstraction took 248259.83 ms. Allocated memory was 229.6 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 189.2 MB in the beginning and 931.2 MB in the end (delta: -741.9 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 01:18:17,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.15 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 916.41 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 97.6 MB in the beginning and 128.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 105.63 ms. Allocated memory is still 201.3 MB. Free memory was 128.0 MB in the beginning and 124.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.10 ms. Allocated memory is still 201.3 MB. Free memory was 124.9 MB in the beginning and 122.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 775.62 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 122.8 MB in the beginning and 189.2 MB in the end (delta: -66.5 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248259.83 ms. Allocated memory was 229.6 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 189.2 MB in the beginning and 931.2 MB in the end (delta: -741.9 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8826 VarBasedMoverChecksPositive, 113 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 567 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.7s, 250 PlacesBefore, 70 PlacesAfterwards, 263 TransitionsBefore, 76 TransitionsAfterwards, 16756 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 23 ConcurrentYvCompositions, 7 ChoiceCompositions, 231 TotalNumberOfCompositions, 41140 MoverChecksTotal - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 248.0s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 48.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.8s, HoareTripleCheckerStatistics: 973 SDtfs, 1433 SDslu, 4081 SDs, 0 SdLazy, 7618 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 202 SyntacticMatches, 27 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 34.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1461occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 1468 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 23.3s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 429008 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown