/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.epf -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 01:04:26,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 01:04:26,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 01:04:26,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 01:04:26,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 01:04:26,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 01:04:26,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 01:04:26,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 01:04:26,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 01:04:26,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 01:04:26,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 01:04:26,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 01:04:26,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 01:04:26,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 01:04:26,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 01:04:26,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 01:04:26,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 01:04:26,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 01:04:26,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 01:04:26,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 01:04:26,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 01:04:26,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 01:04:26,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 01:04:26,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 01:04:26,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-15 01:04:26,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-15 01:04:26,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-15 01:04:26,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-15 01:04:26,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-15 01:04:26,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-15 01:04:26,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-15 01:04:26,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-15 01:04:26,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-15 01:04:26,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-15 01:04:26,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-15 01:04:26,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-15 01:04:26,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-15 01:04:26,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-15 01:04:26,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 01:04:26,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 01:04:26,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 01:04:26,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-15 01:04:27,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 01:04:27,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 01:04:27,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 01:04:27,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 01:04:27,019 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 01:04:27,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 01:04:27,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 01:04:27,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 01:04:27,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 01:04:27,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 01:04:27,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 01:04:27,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 01:04:27,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 01:04:27,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 01:04:27,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 01:04:27,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 01:04:27,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 01:04:27,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 01:04:27,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 01:04:27,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 01:04:27,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 01:04:27,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 01:04:27,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 01:04:27,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 01:04:27,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 01:04:27,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 01:04:27,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 01:04:27,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 01:04:27,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 01:04:28,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 01:04:28,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 01:04:28,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 01:04:28,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 01:04:28,314 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 01:04:28,316 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-09-15 01:04:28,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e1994d51/45ad32c0fa51434e90bb86031962941f/FLAGd6cf606c9 [2020-09-15 01:04:29,089 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 01:04:29,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/queue_longest.i [2020-09-15 01:04:29,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e1994d51/45ad32c0fa51434e90bb86031962941f/FLAGd6cf606c9 [2020-09-15 01:04:29,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e1994d51/45ad32c0fa51434e90bb86031962941f [2020-09-15 01:04:29,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 01:04:29,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 01:04:29,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 01:04:29,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 01:04:29,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 01:04:29,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:04:29" (1/1) ... [2020-09-15 01:04:29,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f2bf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:29, skipping insertion in model container [2020-09-15 01:04:29,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:04:29" (1/1) ... [2020-09-15 01:04:29,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 01:04:29,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 01:04:30,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 01:04:30,046 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 01:04:30,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 01:04:30,266 INFO L208 MainTranslator]: Completed translation [2020-09-15 01:04:30,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30 WrapperNode [2020-09-15 01:04:30,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 01:04:30,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 01:04:30,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 01:04:30,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 01:04:30,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 01:04:30,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 01:04:30,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 01:04:30,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 01:04:30,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... [2020-09-15 01:04:30,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 01:04:30,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 01:04:30,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 01:04:30,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 01:04:30,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 01:04:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-15 01:04:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-15 01:04:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-15 01:04:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-15 01:04:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 01:04:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 01:04:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 01:04:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 01:04:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-15 01:04:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 01:04:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 01:04:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 01:04:30,511 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 01:04:31,320 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 01:04:31,321 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-15 01:04:31,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:04:31 BoogieIcfgContainer [2020-09-15 01:04:31,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 01:04:31,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 01:04:31,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 01:04:31,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 01:04:31,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:04:29" (1/3) ... [2020-09-15 01:04:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dfd35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:04:31, skipping insertion in model container [2020-09-15 01:04:31,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:04:30" (2/3) ... [2020-09-15 01:04:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dfd35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:04:31, skipping insertion in model container [2020-09-15 01:04:31,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:04:31" (3/3) ... [2020-09-15 01:04:31,336 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-09-15 01:04:31,347 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 01:04:31,347 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 01:04:31,358 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-15 01:04:31,359 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 01:04:31,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,406 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,407 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,410 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,413 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,422 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,422 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,423 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,429 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,429 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,431 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,431 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,434 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,435 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,435 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,435 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,436 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,436 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,436 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,438 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,438 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,438 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,439 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,439 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,439 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,439 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,439 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,439 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,440 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,440 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,441 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,441 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,442 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,442 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,443 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,443 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,443 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,443 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,443 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,444 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,448 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,448 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,450 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,450 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,450 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,451 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,451 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,452 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,452 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,453 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,453 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,454 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,454 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,454 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,454 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,455 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,455 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,456 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,456 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,457 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,457 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,457 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,458 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,460 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,461 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,461 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,462 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,485 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,485 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,485 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,486 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,487 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,487 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 01:04:31,520 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-15 01:04:31,550 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 01:04:31,550 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 01:04:31,550 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 01:04:31,550 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 01:04:31,550 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 01:04:31,551 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 01:04:31,551 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 01:04:31,551 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 01:04:31,575 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-09-15 01:04:31,578 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-09-15 01:04:31,718 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-09-15 01:04:31,719 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-15 01:04:31,730 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-09-15 01:04:31,743 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-09-15 01:04:31,794 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-09-15 01:04:31,794 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-15 01:04:31,798 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-09-15 01:04:31,810 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 14896 [2020-09-15 01:04:31,813 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 01:04:35,091 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-09-15 01:04:35,604 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-15 01:04:36,522 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-09-15 01:04:36,874 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-09-15 01:04:37,026 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-09-15 01:04:38,111 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-15 01:04:39,171 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 143 [2020-09-15 01:04:39,187 INFO L206 etLargeBlockEncoding]: Checked pairs total: 33987 [2020-09-15 01:04:39,187 INFO L214 etLargeBlockEncoding]: Total number of compositions: 196 [2020-09-15 01:04:39,191 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 76 transitions, 174 flow [2020-09-15 01:04:39,261 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1506 states. [2020-09-15 01:04:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states. [2020-09-15 01:04:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-15 01:04:39,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:39,273 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-15 01:04:39,274 INFO L427 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]=== [2020-09-15 01:04:39,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:39,282 INFO L82 PathProgramCache]: Analyzing trace with hash 954, now seen corresponding path program 1 times [2020-09-15 01:04:39,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:39,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696786631] [2020-09-15 01:04:39,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:39,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696786631] [2020-09-15 01:04:39,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:39,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-15 01:04:39,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034667763] [2020-09-15 01:04:39,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-15 01:04:39,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:39,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-15 01:04:39,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 01:04:39,499 INFO L87 Difference]: Start difference. First operand 1506 states. Second operand 2 states. [2020-09-15 01:04:39,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:39,560 INFO L93 Difference]: Finished difference Result 1505 states and 3960 transitions. [2020-09-15 01:04:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-15 01:04:39,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-15 01:04:39,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:39,605 INFO L225 Difference]: With dead ends: 1505 [2020-09-15 01:04:39,605 INFO L226 Difference]: Without dead ends: 1370 [2020-09-15 01:04:39,612 INFO L675 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 [2020-09-15 01:04:39,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-09-15 01:04:39,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2020-09-15 01:04:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2020-09-15 01:04:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 3635 transitions. [2020-09-15 01:04:39,776 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 3635 transitions. Word has length 1 [2020-09-15 01:04:39,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:39,776 INFO L479 AbstractCegarLoop]: Abstraction has 1370 states and 3635 transitions. [2020-09-15 01:04:39,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-15 01:04:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 3635 transitions. [2020-09-15 01:04:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-15 01:04:39,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:39,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:39,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 01:04:39,779 INFO L427 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]=== [2020-09-15 01:04:39,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:39,780 INFO L82 PathProgramCache]: Analyzing trace with hash -700961165, now seen corresponding path program 1 times [2020-09-15 01:04:39,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:39,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357212277] [2020-09-15 01:04:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:39,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357212277] [2020-09-15 01:04:39,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:39,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 01:04:39,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64766528] [2020-09-15 01:04:39,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 01:04:39,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:39,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 01:04:39,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 01:04:39,983 INFO L87 Difference]: Start difference. First operand 1370 states and 3635 transitions. Second operand 3 states. [2020-09-15 01:04:40,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:40,030 INFO L93 Difference]: Finished difference Result 1370 states and 3590 transitions. [2020-09-15 01:04:40,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 01:04:40,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-09-15 01:04:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:40,046 INFO L225 Difference]: With dead ends: 1370 [2020-09-15 01:04:40,047 INFO L226 Difference]: Without dead ends: 1370 [2020-09-15 01:04:40,052 INFO L675 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 [2020-09-15 01:04:40,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-09-15 01:04:40,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2020-09-15 01:04:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2020-09-15 01:04:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 3590 transitions. [2020-09-15 01:04:40,103 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 3590 transitions. Word has length 11 [2020-09-15 01:04:40,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:40,103 INFO L479 AbstractCegarLoop]: Abstraction has 1370 states and 3590 transitions. [2020-09-15 01:04:40,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 01:04:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 3590 transitions. [2020-09-15 01:04:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-15 01:04:40,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:40,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:40,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 01:04:40,115 INFO L427 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]=== [2020-09-15 01:04:40,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:40,115 INFO L82 PathProgramCache]: Analyzing trace with hash 688839195, now seen corresponding path program 1 times [2020-09-15 01:04:40,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:40,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822568996] [2020-09-15 01:04:40,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:40,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822568996] [2020-09-15 01:04:40,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:40,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 01:04:40,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986189861] [2020-09-15 01:04:40,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-15 01:04:40,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:40,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-15 01:04:40,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-15 01:04:40,423 INFO L87 Difference]: Start difference. First operand 1370 states and 3590 transitions. Second operand 6 states. [2020-09-15 01:04:40,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:40,880 INFO L93 Difference]: Finished difference Result 1701 states and 4436 transitions. [2020-09-15 01:04:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 01:04:40,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-09-15 01:04:40,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:40,892 INFO L225 Difference]: With dead ends: 1701 [2020-09-15 01:04:40,893 INFO L226 Difference]: Without dead ends: 1701 [2020-09-15 01:04:40,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-09-15 01:04:40,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2020-09-15 01:04:40,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1447. [2020-09-15 01:04:40,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2020-09-15 01:04:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 3782 transitions. [2020-09-15 01:04:40,940 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 3782 transitions. Word has length 13 [2020-09-15 01:04:40,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:40,941 INFO L479 AbstractCegarLoop]: Abstraction has 1447 states and 3782 transitions. [2020-09-15 01:04:40,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-15 01:04:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 3782 transitions. [2020-09-15 01:04:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 01:04:40,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:40,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:40,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 01:04:40,943 INFO L427 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]=== [2020-09-15 01:04:40,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:40,944 INFO L82 PathProgramCache]: Analyzing trace with hash -397251134, now seen corresponding path program 1 times [2020-09-15 01:04:40,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:40,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645536225] [2020-09-15 01:04:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:41,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645536225] [2020-09-15 01:04:41,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:41,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 01:04:41,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52392543] [2020-09-15 01:04:41,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-15 01:04:41,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:41,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-15 01:04:41,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-15 01:04:41,448 INFO L87 Difference]: Start difference. First operand 1447 states and 3782 transitions. Second operand 10 states. [2020-09-15 01:04:42,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:42,107 INFO L93 Difference]: Finished difference Result 1478 states and 3853 transitions. [2020-09-15 01:04:42,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-15 01:04:42,108 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-09-15 01:04:42,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:42,119 INFO L225 Difference]: With dead ends: 1478 [2020-09-15 01:04:42,119 INFO L226 Difference]: Without dead ends: 1473 [2020-09-15 01:04:42,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-09-15 01:04:42,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-09-15 01:04:42,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1466. [2020-09-15 01:04:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2020-09-15 01:04:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 3832 transitions. [2020-09-15 01:04:42,173 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 3832 transitions. Word has length 14 [2020-09-15 01:04:42,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:42,174 INFO L479 AbstractCegarLoop]: Abstraction has 1466 states and 3832 transitions. [2020-09-15 01:04:42,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-15 01:04:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 3832 transitions. [2020-09-15 01:04:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 01:04:42,175 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:42,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:42,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 01:04:42,176 INFO L427 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]=== [2020-09-15 01:04:42,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1009538836, now seen corresponding path program 1 times [2020-09-15 01:04:42,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:42,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887727784] [2020-09-15 01:04:42,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:42,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887727784] [2020-09-15 01:04:42,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:42,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-15 01:04:42,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501788825] [2020-09-15 01:04:42,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-15 01:04:42,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:42,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-15 01:04:42,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-15 01:04:42,735 INFO L87 Difference]: Start difference. First operand 1466 states and 3832 transitions. Second operand 10 states. [2020-09-15 01:04:43,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:43,414 INFO L93 Difference]: Finished difference Result 1982 states and 5137 transitions. [2020-09-15 01:04:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-15 01:04:43,415 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-09-15 01:04:43,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:43,430 INFO L225 Difference]: With dead ends: 1982 [2020-09-15 01:04:43,430 INFO L226 Difference]: Without dead ends: 1982 [2020-09-15 01:04:43,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-09-15 01:04:43,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-09-15 01:04:43,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1523. [2020-09-15 01:04:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2020-09-15 01:04:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 3975 transitions. [2020-09-15 01:04:43,491 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 3975 transitions. Word has length 14 [2020-09-15 01:04:43,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:43,492 INFO L479 AbstractCegarLoop]: Abstraction has 1523 states and 3975 transitions. [2020-09-15 01:04:43,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-15 01:04:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 3975 transitions. [2020-09-15 01:04:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 01:04:43,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:43,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:43,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 01:04:43,494 INFO L427 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]=== [2020-09-15 01:04:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:43,494 INFO L82 PathProgramCache]: Analyzing trace with hash -178504750, now seen corresponding path program 1 times [2020-09-15 01:04:43,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:43,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425607289] [2020-09-15 01:04:43,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:43,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425607289] [2020-09-15 01:04:43,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:43,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 01:04:43,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135764408] [2020-09-15 01:04:43,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 01:04:43,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:43,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 01:04:43,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 01:04:43,569 INFO L87 Difference]: Start difference. First operand 1523 states and 3975 transitions. Second operand 3 states. [2020-09-15 01:04:43,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:43,587 INFO L93 Difference]: Finished difference Result 1267 states and 3237 transitions. [2020-09-15 01:04:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 01:04:43,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-09-15 01:04:43,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:43,595 INFO L225 Difference]: With dead ends: 1267 [2020-09-15 01:04:43,596 INFO L226 Difference]: Without dead ends: 1225 [2020-09-15 01:04:43,596 INFO L675 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 [2020-09-15 01:04:43,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-09-15 01:04:43,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2020-09-15 01:04:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2020-09-15 01:04:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 3140 transitions. [2020-09-15 01:04:43,632 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 3140 transitions. Word has length 14 [2020-09-15 01:04:43,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:43,634 INFO L479 AbstractCegarLoop]: Abstraction has 1225 states and 3140 transitions. [2020-09-15 01:04:43,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 01:04:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3140 transitions. [2020-09-15 01:04:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 01:04:43,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:43,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:43,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-15 01:04:43,636 INFO L427 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]=== [2020-09-15 01:04:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:43,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1727754421, now seen corresponding path program 1 times [2020-09-15 01:04:43,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:43,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510884243] [2020-09-15 01:04:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:44,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510884243] [2020-09-15 01:04:44,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:44,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 01:04:44,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488082817] [2020-09-15 01:04:44,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 01:04:44,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:44,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 01:04:44,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-15 01:04:44,178 INFO L87 Difference]: Start difference. First operand 1225 states and 3140 transitions. Second operand 11 states. [2020-09-15 01:04:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:44,938 INFO L93 Difference]: Finished difference Result 1370 states and 3501 transitions. [2020-09-15 01:04:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-15 01:04:44,938 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 01:04:44,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:44,946 INFO L225 Difference]: With dead ends: 1370 [2020-09-15 01:04:44,947 INFO L226 Difference]: Without dead ends: 1315 [2020-09-15 01:04:44,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 01:04:44,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-09-15 01:04:44,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1211. [2020-09-15 01:04:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-09-15 01:04:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 3116 transitions. [2020-09-15 01:04:44,980 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 3116 transitions. Word has length 15 [2020-09-15 01:04:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:44,980 INFO L479 AbstractCegarLoop]: Abstraction has 1211 states and 3116 transitions. [2020-09-15 01:04:44,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 01:04:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3116 transitions. [2020-09-15 01:04:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-15 01:04:44,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:44,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 01:04:44,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-15 01:04:44,982 INFO L427 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]=== [2020-09-15 01:04:44,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:44,982 INFO L82 PathProgramCache]: Analyzing trace with hash 568896293, now seen corresponding path program 2 times [2020-09-15 01:04:44,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:44,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465398095] [2020-09-15 01:04:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:45,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465398095] [2020-09-15 01:04:45,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:45,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-15 01:04:45,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224984257] [2020-09-15 01:04:45,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-15 01:04:45,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:45,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-15 01:04:45,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-15 01:04:45,422 INFO L87 Difference]: Start difference. First operand 1211 states and 3116 transitions. Second operand 11 states. [2020-09-15 01:04:46,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:46,085 INFO L93 Difference]: Finished difference Result 1248 states and 3222 transitions. [2020-09-15 01:04:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-15 01:04:46,086 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-15 01:04:46,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:46,095 INFO L225 Difference]: With dead ends: 1248 [2020-09-15 01:04:46,095 INFO L226 Difference]: Without dead ends: 1233 [2020-09-15 01:04:46,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-09-15 01:04:46,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2020-09-15 01:04:46,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1121. [2020-09-15 01:04:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-09-15 01:04:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 2906 transitions. [2020-09-15 01:04:46,130 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 2906 transitions. Word has length 15 [2020-09-15 01:04:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:46,130 INFO L479 AbstractCegarLoop]: Abstraction has 1121 states and 2906 transitions. [2020-09-15 01:04:46,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-15 01:04:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2906 transitions. [2020-09-15 01:04:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-15 01:04:46,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:46,133 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] [2020-09-15 01:04:46,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-15 01:04:46,133 INFO L427 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]=== [2020-09-15 01:04:46,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:46,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1224679170, now seen corresponding path program 1 times [2020-09-15 01:04:46,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:46,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925883403] [2020-09-15 01:04:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:46,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925883403] [2020-09-15 01:04:46,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:46,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 01:04:46,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595368057] [2020-09-15 01:04:46,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 01:04:46,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:46,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 01:04:46,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 01:04:46,264 INFO L87 Difference]: Start difference. First operand 1121 states and 2906 transitions. Second operand 3 states. [2020-09-15 01:04:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:46,294 INFO L93 Difference]: Finished difference Result 514 states and 1138 transitions. [2020-09-15 01:04:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 01:04:46,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-15 01:04:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:46,298 INFO L225 Difference]: With dead ends: 514 [2020-09-15 01:04:46,298 INFO L226 Difference]: Without dead ends: 508 [2020-09-15 01:04:46,299 INFO L675 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 [2020-09-15 01:04:46,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-09-15 01:04:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 412. [2020-09-15 01:04:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-15 01:04:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 915 transitions. [2020-09-15 01:04:46,308 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 915 transitions. Word has length 37 [2020-09-15 01:04:46,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:46,309 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 915 transitions. [2020-09-15 01:04:46,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 01:04:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 915 transitions. [2020-09-15 01:04:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-15 01:04:46,312 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:46,312 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] [2020-09-15 01:04:46,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-15 01:04:46,312 INFO L427 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]=== [2020-09-15 01:04:46,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:46,313 INFO L82 PathProgramCache]: Analyzing trace with hash -905973555, now seen corresponding path program 1 times [2020-09-15 01:04:46,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:46,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390716789] [2020-09-15 01:04:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:46,786 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-09-15 01:04:46,906 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-09-15 01:04:47,054 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-09-15 01:04:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:47,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390716789] [2020-09-15 01:04:47,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:47,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-15 01:04:47,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754454603] [2020-09-15 01:04:47,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-15 01:04:47,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:47,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-15 01:04:47,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-09-15 01:04:47,697 INFO L87 Difference]: Start difference. First operand 412 states and 915 transitions. Second operand 18 states. [2020-09-15 01:04:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:49,202 INFO L93 Difference]: Finished difference Result 876 states and 1955 transitions. [2020-09-15 01:04:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-15 01:04:49,203 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2020-09-15 01:04:49,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:49,208 INFO L225 Difference]: With dead ends: 876 [2020-09-15 01:04:49,208 INFO L226 Difference]: Without dead ends: 858 [2020-09-15 01:04:49,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2020-09-15 01:04:49,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-09-15 01:04:49,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 709. [2020-09-15 01:04:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-09-15 01:04:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1607 transitions. [2020-09-15 01:04:49,227 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1607 transitions. Word has length 38 [2020-09-15 01:04:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:49,228 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 1607 transitions. [2020-09-15 01:04:49,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-15 01:04:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1607 transitions. [2020-09-15 01:04:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-15 01:04:49,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:49,230 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] [2020-09-15 01:04:49,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-15 01:04:49,231 INFO L427 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]=== [2020-09-15 01:04:49,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1981432261, now seen corresponding path program 1 times [2020-09-15 01:04:49,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:49,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995192976] [2020-09-15 01:04:49,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:49,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995192976] [2020-09-15 01:04:49,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:49,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-15 01:04:49,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542417108] [2020-09-15 01:04:49,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-15 01:04:49,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:49,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-15 01:04:49,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-15 01:04:49,787 INFO L87 Difference]: Start difference. First operand 709 states and 1607 transitions. Second operand 13 states. [2020-09-15 01:04:50,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:50,415 INFO L93 Difference]: Finished difference Result 637 states and 1419 transitions. [2020-09-15 01:04:50,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-15 01:04:50,416 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 39 [2020-09-15 01:04:50,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:50,421 INFO L225 Difference]: With dead ends: 637 [2020-09-15 01:04:50,421 INFO L226 Difference]: Without dead ends: 637 [2020-09-15 01:04:50,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-09-15 01:04:50,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-09-15 01:04:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2020-09-15 01:04:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-09-15 01:04:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1419 transitions. [2020-09-15 01:04:50,437 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1419 transitions. Word has length 39 [2020-09-15 01:04:50,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:50,438 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 1419 transitions. [2020-09-15 01:04:50,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-15 01:04:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1419 transitions. [2020-09-15 01:04:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-15 01:04:50,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:50,440 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] [2020-09-15 01:04:50,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-15 01:04:50,440 INFO L427 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]=== [2020-09-15 01:04:50,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:50,440 INFO L82 PathProgramCache]: Analyzing trace with hash -533631429, now seen corresponding path program 1 times [2020-09-15 01:04:50,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:50,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807096244] [2020-09-15 01:04:50,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:51,014 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 37 [2020-09-15 01:04:51,790 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2020-09-15 01:04:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:04:52,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807096244] [2020-09-15 01:04:52,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:04:52,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-09-15 01:04:52,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201079182] [2020-09-15 01:04:52,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-15 01:04:52,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:04:52,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-15 01:04:52,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-09-15 01:04:52,634 INFO L87 Difference]: Start difference. First operand 637 states and 1419 transitions. Second operand 22 states. [2020-09-15 01:04:54,822 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-09-15 01:04:55,250 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-09-15 01:04:56,281 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-09-15 01:04:56,607 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-09-15 01:04:56,942 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-09-15 01:04:57,514 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-09-15 01:04:58,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:04:58,020 INFO L93 Difference]: Finished difference Result 1252 states and 2794 transitions. [2020-09-15 01:04:58,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-15 01:04:58,021 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-09-15 01:04:58,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:04:58,028 INFO L225 Difference]: With dead ends: 1252 [2020-09-15 01:04:58,028 INFO L226 Difference]: Without dead ends: 1207 [2020-09-15 01:04:58,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=379, Invalid=2483, Unknown=0, NotChecked=0, Total=2862 [2020-09-15 01:04:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-09-15 01:04:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 782. [2020-09-15 01:04:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-09-15 01:04:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1732 transitions. [2020-09-15 01:04:58,056 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1732 transitions. Word has length 40 [2020-09-15 01:04:58,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:04:58,059 INFO L479 AbstractCegarLoop]: Abstraction has 782 states and 1732 transitions. [2020-09-15 01:04:58,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-15 01:04:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1732 transitions. [2020-09-15 01:04:58,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-15 01:04:58,063 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:04:58,064 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] [2020-09-15 01:04:58,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-15 01:04:58,065 INFO L427 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]=== [2020-09-15 01:04:58,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:04:58,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1320854049, now seen corresponding path program 2 times [2020-09-15 01:04:58,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:04:58,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624753449] [2020-09-15 01:04:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:04:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:04:58,708 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2020-09-15 01:04:58,935 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-09-15 01:04:59,123 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2020-09-15 01:04:59,323 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-09-15 01:04:59,669 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-09-15 01:04:59,933 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-09-15 01:05:00,134 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2020-09-15 01:05:00,327 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2020-09-15 01:05:00,987 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-09-15 01:05:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:05:01,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624753449] [2020-09-15 01:05:01,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:05:01,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-09-15 01:05:01,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565114531] [2020-09-15 01:05:01,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-15 01:05:01,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:05:01,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-15 01:05:01,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-09-15 01:05:01,361 INFO L87 Difference]: Start difference. First operand 782 states and 1732 transitions. Second operand 22 states. [2020-09-15 01:05:02,442 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-09-15 01:05:03,018 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-09-15 01:05:03,374 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2020-09-15 01:05:03,669 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-09-15 01:05:03,891 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-09-15 01:05:04,823 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-15 01:05:04,995 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-15 01:05:05,318 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-09-15 01:05:05,527 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-09-15 01:05:05,677 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-09-15 01:05:05,857 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-09-15 01:05:06,277 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-09-15 01:05:06,509 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-09-15 01:05:06,913 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-09-15 01:05:07,261 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-09-15 01:05:07,685 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-09-15 01:05:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:05:07,884 INFO L93 Difference]: Finished difference Result 1119 states and 2476 transitions. [2020-09-15 01:05:07,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-15 01:05:07,885 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-09-15 01:05:07,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:05:07,892 INFO L225 Difference]: With dead ends: 1119 [2020-09-15 01:05:07,892 INFO L226 Difference]: Without dead ends: 1074 [2020-09-15 01:05:07,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=262, Invalid=1630, Unknown=0, NotChecked=0, Total=1892 [2020-09-15 01:05:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-09-15 01:05:07,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 784. [2020-09-15 01:05:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-09-15 01:05:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1735 transitions. [2020-09-15 01:05:07,911 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1735 transitions. Word has length 40 [2020-09-15 01:05:07,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:05:07,912 INFO L479 AbstractCegarLoop]: Abstraction has 784 states and 1735 transitions. [2020-09-15 01:05:07,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-15 01:05:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1735 transitions. [2020-09-15 01:05:07,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-15 01:05:07,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:05:07,914 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] [2020-09-15 01:05:07,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-15 01:05:07,914 INFO L427 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]=== [2020-09-15 01:05:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:05:07,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1635396037, now seen corresponding path program 3 times [2020-09-15 01:05:07,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:05:07,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181419011] [2020-09-15 01:05:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:05:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:05:08,503 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2020-09-15 01:05:08,676 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-09-15 01:05:08,839 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2020-09-15 01:05:09,040 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-09-15 01:05:09,243 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-09-15 01:05:09,492 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-09-15 01:05:09,747 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-09-15 01:05:09,945 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2020-09-15 01:05:10,134 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2020-09-15 01:05:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:05:11,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181419011] [2020-09-15 01:05:11,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:05:11,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-09-15 01:05:11,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936459488] [2020-09-15 01:05:11,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-15 01:05:11,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:05:11,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-15 01:05:11,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-09-15 01:05:11,090 INFO L87 Difference]: Start difference. First operand 784 states and 1735 transitions. Second operand 22 states. [2020-09-15 01:05:11,634 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-09-15 01:05:12,182 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-09-15 01:05:12,540 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-09-15 01:05:12,867 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-09-15 01:05:13,175 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2020-09-15 01:05:13,427 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-09-15 01:05:13,648 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-09-15 01:05:14,539 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-15 01:05:14,711 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-15 01:05:15,048 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-09-15 01:05:15,264 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-09-15 01:05:15,415 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-09-15 01:05:15,584 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-09-15 01:05:15,844 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-09-15 01:05:16,033 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-09-15 01:05:16,263 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-09-15 01:05:16,655 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-09-15 01:05:16,954 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-09-15 01:05:17,330 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-09-15 01:05:17,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:05:17,527 INFO L93 Difference]: Finished difference Result 1055 states and 2327 transitions. [2020-09-15 01:05:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-15 01:05:17,528 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-09-15 01:05:17,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:05:17,533 INFO L225 Difference]: With dead ends: 1055 [2020-09-15 01:05:17,533 INFO L226 Difference]: Without dead ends: 1010 [2020-09-15 01:05:17,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=270, Invalid=1710, Unknown=0, NotChecked=0, Total=1980 [2020-09-15 01:05:17,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2020-09-15 01:05:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 786. [2020-09-15 01:05:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2020-09-15 01:05:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1738 transitions. [2020-09-15 01:05:17,552 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1738 transitions. Word has length 40 [2020-09-15 01:05:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:05:17,553 INFO L479 AbstractCegarLoop]: Abstraction has 786 states and 1738 transitions. [2020-09-15 01:05:17,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-15 01:05:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1738 transitions. [2020-09-15 01:05:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-15 01:05:17,555 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:05:17,555 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] [2020-09-15 01:05:17,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-15 01:05:17,555 INFO L427 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]=== [2020-09-15 01:05:17,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:05:17,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1249519777, now seen corresponding path program 4 times [2020-09-15 01:05:17,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:05:17,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478987444] [2020-09-15 01:05:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:05:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:05:18,151 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2020-09-15 01:05:18,354 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-09-15 01:05:18,552 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2020-09-15 01:05:18,771 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-09-15 01:05:18,976 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-09-15 01:05:19,219 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-09-15 01:05:19,474 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-09-15 01:05:19,677 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2020-09-15 01:05:19,869 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2020-09-15 01:05:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:05:20,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478987444] [2020-09-15 01:05:20,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:05:20,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-09-15 01:05:20,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053418697] [2020-09-15 01:05:20,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-15 01:05:20,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:05:20,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-15 01:05:20,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-09-15 01:05:20,799 INFO L87 Difference]: Start difference. First operand 786 states and 1738 transitions. Second operand 22 states. [2020-09-15 01:05:21,324 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-09-15 01:05:21,846 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-09-15 01:05:22,267 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-09-15 01:05:22,620 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-09-15 01:05:22,907 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2020-09-15 01:05:23,152 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-09-15 01:05:23,384 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-09-15 01:05:24,315 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-15 01:05:24,489 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-15 01:05:24,822 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-09-15 01:05:25,039 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-09-15 01:05:25,193 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-09-15 01:05:25,370 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-09-15 01:05:25,816 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-09-15 01:05:26,049 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-09-15 01:05:26,440 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-09-15 01:05:26,740 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-09-15 01:05:27,120 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-09-15 01:05:27,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:05:27,321 INFO L93 Difference]: Finished difference Result 1065 states and 2342 transitions. [2020-09-15 01:05:27,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-15 01:05:27,322 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-09-15 01:05:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:05:27,329 INFO L225 Difference]: With dead ends: 1065 [2020-09-15 01:05:27,329 INFO L226 Difference]: Without dead ends: 1020 [2020-09-15 01:05:27,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=270, Invalid=1710, Unknown=0, NotChecked=0, Total=1980 [2020-09-15 01:05:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-09-15 01:05:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 794. [2020-09-15 01:05:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-09-15 01:05:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1750 transitions. [2020-09-15 01:05:27,349 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1750 transitions. Word has length 40 [2020-09-15 01:05:27,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:05:27,350 INFO L479 AbstractCegarLoop]: Abstraction has 794 states and 1750 transitions. [2020-09-15 01:05:27,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-15 01:05:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1750 transitions. [2020-09-15 01:05:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-15 01:05:27,352 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:05:27,352 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] [2020-09-15 01:05:27,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-15 01:05:27,352 INFO L427 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]=== [2020-09-15 01:05:27,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:05:27,353 INFO L82 PathProgramCache]: Analyzing trace with hash 319668171, now seen corresponding path program 5 times [2020-09-15 01:05:27,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:05:27,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626584602] [2020-09-15 01:05:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:05:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 01:05:28,004 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 46 [2020-09-15 01:05:28,216 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-15 01:05:28,450 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2020-09-15 01:05:28,574 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-09-15 01:05:28,705 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-09-15 01:05:28,831 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-15 01:05:28,973 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-09-15 01:05:29,168 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-09-15 01:05:29,333 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2020-09-15 01:05:29,480 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 37 [2020-09-15 01:05:30,049 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2020-09-15 01:05:30,202 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2020-09-15 01:05:30,366 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-15 01:05:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 01:05:30,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626584602] [2020-09-15 01:05:30,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 01:05:30,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-09-15 01:05:30,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131741165] [2020-09-15 01:05:30,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-15 01:05:30,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 01:05:30,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-15 01:05:30,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-09-15 01:05:30,508 INFO L87 Difference]: Start difference. First operand 794 states and 1750 transitions. Second operand 22 states. [2020-09-15 01:05:30,900 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-09-15 01:05:31,231 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2020-09-15 01:05:31,530 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-09-15 01:05:31,969 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-15 01:05:32,428 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2020-09-15 01:05:32,839 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2020-09-15 01:05:33,174 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-09-15 01:05:33,624 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-09-15 01:05:33,832 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-09-15 01:05:34,107 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-09-15 01:05:34,354 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-09-15 01:05:34,577 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2020-09-15 01:05:34,899 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-09-15 01:05:35,183 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 57 [2020-09-15 01:05:35,392 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-09-15 01:05:35,685 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-09-15 01:05:36,290 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-09-15 01:05:36,747 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2020-09-15 01:05:36,903 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-15 01:05:37,301 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2020-09-15 01:05:37,514 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-09-15 01:05:37,808 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2020-09-15 01:05:38,474 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2020-09-15 01:05:38,760 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-09-15 01:05:39,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 01:05:39,066 INFO L93 Difference]: Finished difference Result 1474 states and 3253 transitions. [2020-09-15 01:05:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-15 01:05:39,067 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-09-15 01:05:39,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 01:05:39,073 INFO L225 Difference]: With dead ends: 1474 [2020-09-15 01:05:39,073 INFO L226 Difference]: Without dead ends: 1429 [2020-09-15 01:05:39,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=323, Invalid=2127, Unknown=0, NotChecked=0, Total=2450 [2020-09-15 01:05:39,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2020-09-15 01:05:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 799. [2020-09-15 01:05:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2020-09-15 01:05:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1758 transitions. [2020-09-15 01:05:39,104 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1758 transitions. Word has length 40 [2020-09-15 01:05:39,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 01:05:39,104 INFO L479 AbstractCegarLoop]: Abstraction has 799 states and 1758 transitions. [2020-09-15 01:05:39,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-15 01:05:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1758 transitions. [2020-09-15 01:05:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-15 01:05:39,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 01:05:39,107 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] [2020-09-15 01:05:39,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-15 01:05:39,107 INFO L427 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]=== [2020-09-15 01:05:39,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 01:05:39,107 INFO L82 PathProgramCache]: Analyzing trace with hash 955224805, now seen corresponding path program 6 times [2020-09-15 01:05:39,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 01:05:39,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197046593] [2020-09-15 01:05:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 01:05:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat