/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-16 13:53:45,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-16 13:53:45,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-16 13:53:45,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-16 13:53:45,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-16 13:53:45,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-16 13:53:45,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-16 13:53:45,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-16 13:53:45,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-16 13:53:45,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-16 13:53:45,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-16 13:53:45,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-16 13:53:45,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-16 13:53:45,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-16 13:53:45,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-16 13:53:45,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-16 13:53:45,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-16 13:53:45,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-16 13:53:45,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-16 13:53:45,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-16 13:53:45,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-16 13:53:45,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-16 13:53:45,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-16 13:53:45,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-16 13:53:45,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-16 13:53:45,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-16 13:53:45,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-16 13:53:45,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-16 13:53:45,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-16 13:53:45,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-16 13:53:45,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-16 13:53:45,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-16 13:53:45,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-16 13:53:45,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-16 13:53:45,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-16 13:53:45,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-16 13:53:45,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-16 13:53:45,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-16 13:53:45,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-16 13:53:45,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-16 13:53:45,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-16 13:53:45,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-16 13:53:45,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-16 13:53:45,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-16 13:53:45,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-16 13:53:45,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-16 13:53:45,975 INFO L138 SettingsManager]: * Use SBE=true [2020-09-16 13:53:45,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-16 13:53:45,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-16 13:53:45,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-16 13:53:45,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-16 13:53:45,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-16 13:53:45,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-16 13:53:45,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-16 13:53:45,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-16 13:53:45,979 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-16 13:53:45,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-16 13:53:45,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-16 13:53:45,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-16 13:53:45,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-16 13:53:45,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-16 13:53:45,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-16 13:53:45,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-16 13:53:45,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 13:53:45,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-16 13:53:45,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-16 13:53:45,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-16 13:53:45,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-16 13:53:45,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-16 13:53:45,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-16 13:53:45,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-16 13:53:45,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-16 13:53:47,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-16 13:53:47,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-16 13:53:47,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-16 13:53:47,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-16 13:53:47,237 INFO L275 PluginConnector]: CDTParser initialized [2020-09-16 13:53:47,238 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-09-16 13:53:47,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55690246e/3029ee741d734d6b8596556088372fbc/FLAG53a8af23c [2020-09-16 13:53:47,989 INFO L306 CDTParser]: Found 1 translation units. [2020-09-16 13:53:47,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2020-09-16 13:53:48,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55690246e/3029ee741d734d6b8596556088372fbc/FLAG53a8af23c [2020-09-16 13:53:48,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55690246e/3029ee741d734d6b8596556088372fbc [2020-09-16 13:53:48,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-16 13:53:48,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-16 13:53:48,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-16 13:53:48,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-16 13:53:48,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-16 13:53:48,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:53:48" (1/1) ... [2020-09-16 13:53:48,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c569f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:48, skipping insertion in model container [2020-09-16 13:53:48,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:53:48" (1/1) ... [2020-09-16 13:53:48,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-16 13:53:48,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-16 13:53:49,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 13:53:49,094 INFO L203 MainTranslator]: Completed pre-run [2020-09-16 13:53:49,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 13:53:49,324 INFO L208 MainTranslator]: Completed translation [2020-09-16 13:53:49,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49 WrapperNode [2020-09-16 13:53:49,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-16 13:53:49,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-16 13:53:49,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-16 13:53:49,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-16 13:53:49,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-16 13:53:49,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-16 13:53:49,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-16 13:53:49,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-16 13:53:49,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... [2020-09-16 13:53:49,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-16 13:53:49,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-16 13:53:49,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-16 13:53:49,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-16 13:53:49,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 13:53:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-16 13:53:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-16 13:53:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-16 13:53:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-16 13:53:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-16 13:53:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-16 13:53:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-16 13:53:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-16 13:53:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-16 13:53:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-16 13:53:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-16 13:53:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-16 13:53:49,592 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-16 13:53:50,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-16 13:53:50,365 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-16 13:53:50,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:53:50 BoogieIcfgContainer [2020-09-16 13:53:50,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-16 13:53:50,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-16 13:53:50,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-16 13:53:50,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-16 13:53:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 01:53:48" (1/3) ... [2020-09-16 13:53:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689ec2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:53:50, skipping insertion in model container [2020-09-16 13:53:50,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:49" (2/3) ... [2020-09-16 13:53:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689ec2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:53:50, skipping insertion in model container [2020-09-16 13:53:50,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:53:50" (3/3) ... [2020-09-16 13:53:50,381 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-09-16 13:53:50,394 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-16 13:53:50,394 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-16 13:53:50,405 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-16 13:53:50,406 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-16 13:53:50,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,452 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,452 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,452 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,453 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,454 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,455 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,457 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,457 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,458 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,458 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,488 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,488 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,489 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,489 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,490 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,490 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,491 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,491 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,492 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,492 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,494 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,495 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,495 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,498 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,500 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,500 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,500 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,501 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,502 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,504 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,504 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,504 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,505 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,505 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,506 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,512 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,526 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:50,571 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-16 13:53:50,598 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 13:53:50,598 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 13:53:50,598 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 13:53:50,598 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 13:53:50,598 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 13:53:50,598 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 13:53:50,599 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 13:53:50,599 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 13:53:50,623 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-09-16 13:53:50,626 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-09-16 13:53:50,740 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-09-16 13:53:50,741 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 13:53:50,752 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. [2020-09-16 13:53:50,766 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-09-16 13:53:50,858 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-09-16 13:53:50,858 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 13:53:50,862 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. [2020-09-16 13:53:50,874 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 14896 [2020-09-16 13:53:50,875 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 13:53:54,936 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-09-16 13:53:55,726 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-09-16 13:53:56,287 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-09-16 13:53:57,010 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-09-16 13:53:57,296 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-09-16 13:53:58,246 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-16 13:53:58,734 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-16 13:53:58,756 INFO L206 etLargeBlockEncoding]: Checked pairs total: 29908 [2020-09-16 13:53:58,756 INFO L214 etLargeBlockEncoding]: Total number of compositions: 205 [2020-09-16 13:53:58,761 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 71 transitions, 164 flow [2020-09-16 13:53:58,823 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1201 states. [2020-09-16 13:53:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states. [2020-09-16 13:53:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-16 13:53:58,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:53:58,835 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-16 13:53:58,836 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]=== [2020-09-16 13:53:58,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:53:58,843 INFO L82 PathProgramCache]: Analyzing trace with hash 964, now seen corresponding path program 1 times [2020-09-16 13:53:58,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:53:58,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972495505] [2020-09-16 13:53:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:53:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:53:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:53:59,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972495505] [2020-09-16 13:53:59,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:53:59,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-16 13:53:59,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173196140] [2020-09-16 13:53:59,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-16 13:53:59,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:53:59,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-16 13:53:59,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 13:53:59,045 INFO L87 Difference]: Start difference. First operand 1201 states. Second operand 2 states. [2020-09-16 13:53:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:53:59,110 INFO L93 Difference]: Finished difference Result 1200 states and 3170 transitions. [2020-09-16 13:53:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-16 13:53:59,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-16 13:53:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:53:59,148 INFO L225 Difference]: With dead ends: 1200 [2020-09-16 13:53:59,148 INFO L226 Difference]: Without dead ends: 1109 [2020-09-16 13:53:59,150 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 [2020-09-16 13:53:59,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-09-16 13:53:59,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-09-16 13:53:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-09-16 13:53:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2958 transitions. [2020-09-16 13:53:59,311 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2958 transitions. Word has length 1 [2020-09-16 13:53:59,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:53:59,311 INFO L479 AbstractCegarLoop]: Abstraction has 1109 states and 2958 transitions. [2020-09-16 13:53:59,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-16 13:53:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2958 transitions. [2020-09-16 13:53:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-16 13:53:59,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:53:59,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:53:59,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-16 13:53:59,314 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]=== [2020-09-16 13:53:59,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:53:59,315 INFO L82 PathProgramCache]: Analyzing trace with hash -484874631, now seen corresponding path program 1 times [2020-09-16 13:53:59,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:53:59,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402823782] [2020-09-16 13:53:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:53:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:53:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:53:59,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402823782] [2020-09-16 13:53:59,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:53:59,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 13:53:59,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103434668] [2020-09-16 13:53:59,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:53:59,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:53:59,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:53:59,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:53:59,515 INFO L87 Difference]: Start difference. First operand 1109 states and 2958 transitions. Second operand 3 states. [2020-09-16 13:53:59,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:53:59,569 INFO L93 Difference]: Finished difference Result 1109 states and 2921 transitions. [2020-09-16 13:53:59,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:53:59,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-09-16 13:53:59,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:53:59,584 INFO L225 Difference]: With dead ends: 1109 [2020-09-16 13:53:59,584 INFO L226 Difference]: Without dead ends: 1109 [2020-09-16 13:53:59,585 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 [2020-09-16 13:53:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-09-16 13:53:59,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-09-16 13:53:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-09-16 13:53:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2921 transitions. [2020-09-16 13:53:59,670 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2921 transitions. Word has length 11 [2020-09-16 13:53:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:53:59,670 INFO L479 AbstractCegarLoop]: Abstraction has 1109 states and 2921 transitions. [2020-09-16 13:53:59,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:53:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2921 transitions. [2020-09-16 13:53:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-16 13:53:59,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:53:59,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:53:59,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-16 13:53:59,680 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]=== [2020-09-16 13:53:59,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:53:59,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2105337476, now seen corresponding path program 1 times [2020-09-16 13:53:59,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:53:59,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297903010] [2020-09-16 13:53:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:53:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:00,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297903010] [2020-09-16 13:54:00,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:00,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-16 13:54:00,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795407162] [2020-09-16 13:54:00,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 13:54:00,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:00,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 13:54:00,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-16 13:54:00,074 INFO L87 Difference]: Start difference. First operand 1109 states and 2921 transitions. Second operand 5 states. [2020-09-16 13:54:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:00,498 INFO L93 Difference]: Finished difference Result 1108 states and 2918 transitions. [2020-09-16 13:54:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-16 13:54:00,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-16 13:54:00,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:00,506 INFO L225 Difference]: With dead ends: 1108 [2020-09-16 13:54:00,507 INFO L226 Difference]: Without dead ends: 1108 [2020-09-16 13:54:00,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-16 13:54:00,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-09-16 13:54:00,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-09-16 13:54:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-09-16 13:54:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2918 transitions. [2020-09-16 13:54:00,542 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2918 transitions. Word has length 13 [2020-09-16 13:54:00,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:00,543 INFO L479 AbstractCegarLoop]: Abstraction has 1108 states and 2918 transitions. [2020-09-16 13:54:00,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 13:54:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2918 transitions. [2020-09-16 13:54:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-16 13:54:00,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:00,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:00,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-16 13:54:00,546 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]=== [2020-09-16 13:54:00,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:00,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1475451711, now seen corresponding path program 1 times [2020-09-16 13:54:00,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:00,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528234361] [2020-09-16 13:54:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:00,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528234361] [2020-09-16 13:54:00,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:00,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 13:54:00,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130616514] [2020-09-16 13:54:00,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:00,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:00,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:00,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:00,615 INFO L87 Difference]: Start difference. First operand 1108 states and 2918 transitions. Second operand 3 states. [2020-09-16 13:54:00,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:00,634 INFO L93 Difference]: Finished difference Result 985 states and 2529 transitions. [2020-09-16 13:54:00,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:00,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-09-16 13:54:00,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:00,641 INFO L225 Difference]: With dead ends: 985 [2020-09-16 13:54:00,641 INFO L226 Difference]: Without dead ends: 953 [2020-09-16 13:54:00,642 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 [2020-09-16 13:54:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-09-16 13:54:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2020-09-16 13:54:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-09-16 13:54:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2454 transitions. [2020-09-16 13:54:00,674 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2454 transitions. Word has length 13 [2020-09-16 13:54:00,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:00,675 INFO L479 AbstractCegarLoop]: Abstraction has 953 states and 2454 transitions. [2020-09-16 13:54:00,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2454 transitions. [2020-09-16 13:54:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-16 13:54:00,676 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:00,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:00,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-16 13:54:00,677 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]=== [2020-09-16 13:54:00,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:00,677 INFO L82 PathProgramCache]: Analyzing trace with hash -482065399, now seen corresponding path program 1 times [2020-09-16 13:54:00,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:00,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928986584] [2020-09-16 13:54:00,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:01,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928986584] [2020-09-16 13:54:01,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:01,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-16 13:54:01,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255048863] [2020-09-16 13:54:01,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-16 13:54:01,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:01,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-16 13:54:01,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-16 13:54:01,086 INFO L87 Difference]: Start difference. First operand 953 states and 2454 transitions. Second operand 9 states. [2020-09-16 13:54:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:01,690 INFO L93 Difference]: Finished difference Result 1079 states and 2770 transitions. [2020-09-16 13:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-16 13:54:01,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-16 13:54:01,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:01,699 INFO L225 Difference]: With dead ends: 1079 [2020-09-16 13:54:01,699 INFO L226 Difference]: Without dead ends: 1059 [2020-09-16 13:54:01,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:01,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-09-16 13:54:01,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 975. [2020-09-16 13:54:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-09-16 13:54:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 2504 transitions. [2020-09-16 13:54:01,768 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 2504 transitions. Word has length 14 [2020-09-16 13:54:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:01,768 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 2504 transitions. [2020-09-16 13:54:01,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-16 13:54:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 2504 transitions. [2020-09-16 13:54:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-16 13:54:01,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:01,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:01,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-16 13:54:01,770 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]=== [2020-09-16 13:54:01,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:01,771 INFO L82 PathProgramCache]: Analyzing trace with hash -313921473, now seen corresponding path program 1 times [2020-09-16 13:54:01,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:01,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489782612] [2020-09-16 13:54:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:02,151 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-09-16 13:54:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:02,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489782612] [2020-09-16 13:54:02,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:02,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-16 13:54:02,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630416040] [2020-09-16 13:54:02,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-16 13:54:02,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:02,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-16 13:54:02,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-16 13:54:02,408 INFO L87 Difference]: Start difference. First operand 975 states and 2504 transitions. Second operand 9 states. [2020-09-16 13:54:02,691 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-09-16 13:54:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:03,359 INFO L93 Difference]: Finished difference Result 973 states and 2500 transitions. [2020-09-16 13:54:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-16 13:54:03,360 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-16 13:54:03,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:03,366 INFO L225 Difference]: With dead ends: 973 [2020-09-16 13:54:03,367 INFO L226 Difference]: Without dead ends: 973 [2020-09-16 13:54:03,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:03,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-09-16 13:54:03,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2020-09-16 13:54:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-09-16 13:54:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 2500 transitions. [2020-09-16 13:54:03,393 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 2500 transitions. Word has length 14 [2020-09-16 13:54:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:03,394 INFO L479 AbstractCegarLoop]: Abstraction has 973 states and 2500 transitions. [2020-09-16 13:54:03,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-16 13:54:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2500 transitions. [2020-09-16 13:54:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-16 13:54:03,395 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:03,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:03,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-16 13:54:03,395 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]=== [2020-09-16 13:54:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:03,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1532094638, now seen corresponding path program 1 times [2020-09-16 13:54:03,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:03,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102442502] [2020-09-16 13:54:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:03,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102442502] [2020-09-16 13:54:03,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:03,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-16 13:54:03,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656142274] [2020-09-16 13:54:03,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-16 13:54:03,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:03,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-16 13:54:03,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-16 13:54:03,786 INFO L87 Difference]: Start difference. First operand 973 states and 2500 transitions. Second operand 10 states. [2020-09-16 13:54:04,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:04,424 INFO L93 Difference]: Finished difference Result 1033 states and 2638 transitions. [2020-09-16 13:54:04,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-16 13:54:04,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-09-16 13:54:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:04,431 INFO L225 Difference]: With dead ends: 1033 [2020-09-16 13:54:04,431 INFO L226 Difference]: Without dead ends: 978 [2020-09-16 13:54:04,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:04,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-09-16 13:54:04,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 924. [2020-09-16 13:54:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-09-16 13:54:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 2381 transitions. [2020-09-16 13:54:04,459 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 2381 transitions. Word has length 15 [2020-09-16 13:54:04,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:04,459 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 2381 transitions. [2020-09-16 13:54:04,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-16 13:54:04,459 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2381 transitions. [2020-09-16 13:54:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-16 13:54:04,460 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:04,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:04,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-16 13:54:04,461 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]=== [2020-09-16 13:54:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:04,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1172406912, now seen corresponding path program 2 times [2020-09-16 13:54:04,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:04,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548990101] [2020-09-16 13:54:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:04,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548990101] [2020-09-16 13:54:04,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:04,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-16 13:54:04,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944137836] [2020-09-16 13:54:04,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-16 13:54:04,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:04,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-16 13:54:04,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-16 13:54:04,814 INFO L87 Difference]: Start difference. First operand 924 states and 2381 transitions. Second operand 10 states. [2020-09-16 13:54:05,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:05,401 INFO L93 Difference]: Finished difference Result 1036 states and 2664 transitions. [2020-09-16 13:54:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-16 13:54:05,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-09-16 13:54:05,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:05,409 INFO L225 Difference]: With dead ends: 1036 [2020-09-16 13:54:05,409 INFO L226 Difference]: Without dead ends: 1021 [2020-09-16 13:54:05,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-09-16 13:54:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 910. [2020-09-16 13:54:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-09-16 13:54:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2348 transitions. [2020-09-16 13:54:05,433 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2348 transitions. Word has length 15 [2020-09-16 13:54:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:05,433 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 2348 transitions. [2020-09-16 13:54:05,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-16 13:54:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2348 transitions. [2020-09-16 13:54:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-16 13:54:05,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:05,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:05,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-16 13:54:05,434 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]=== [2020-09-16 13:54:05,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:05,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1141702962, now seen corresponding path program 3 times [2020-09-16 13:54:05,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:05,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016365191] [2020-09-16 13:54:05,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:17,066 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-09-16 13:54:17,399 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2020-09-16 13:54:17,827 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2020-09-16 13:54:18,811 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-09-16 13:54:19,336 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2020-09-16 13:54:20,227 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-09-16 13:54:21,121 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-09-16 13:54:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:21,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016365191] [2020-09-16 13:54:21,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:21,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-16 13:54:21,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414573642] [2020-09-16 13:54:21,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-16 13:54:21,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:21,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-16 13:54:21,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-16 13:54:21,308 INFO L87 Difference]: Start difference. First operand 910 states and 2348 transitions. Second operand 11 states. [2020-09-16 13:54:21,856 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-09-16 13:54:23,580 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-09-16 13:54:28,296 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 128 [2020-09-16 13:54:33,090 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 139 [2020-09-16 13:54:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:45,320 INFO L93 Difference]: Finished difference Result 912 states and 2363 transitions. [2020-09-16 13:54:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-16 13:54:45,321 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-16 13:54:45,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:45,328 INFO L225 Difference]: With dead ends: 912 [2020-09-16 13:54:45,328 INFO L226 Difference]: Without dead ends: 902 [2020-09-16 13:54:45,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-09-16 13:54:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-09-16 13:54:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 854. [2020-09-16 13:54:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-09-16 13:54:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2221 transitions. [2020-09-16 13:54:45,351 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2221 transitions. Word has length 15 [2020-09-16 13:54:45,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:45,351 INFO L479 AbstractCegarLoop]: Abstraction has 854 states and 2221 transitions. [2020-09-16 13:54:45,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-16 13:54:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2221 transitions. [2020-09-16 13:54:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-16 13:54:45,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:45,353 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] [2020-09-16 13:54:45,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-16 13:54:45,353 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]=== [2020-09-16 13:54:45,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:45,354 INFO L82 PathProgramCache]: Analyzing trace with hash 32419424, now seen corresponding path program 1 times [2020-09-16 13:54:45,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:45,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799859019] [2020-09-16 13:54:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:45,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799859019] [2020-09-16 13:54:45,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:45,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 13:54:45,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338478108] [2020-09-16 13:54:45,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:45,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:45,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:45,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:45,428 INFO L87 Difference]: Start difference. First operand 854 states and 2221 transitions. Second operand 3 states. [2020-09-16 13:54:45,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:45,465 INFO L93 Difference]: Finished difference Result 385 states and 826 transitions. [2020-09-16 13:54:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:45,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-16 13:54:45,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:45,468 INFO L225 Difference]: With dead ends: 385 [2020-09-16 13:54:45,468 INFO L226 Difference]: Without dead ends: 379 [2020-09-16 13:54:45,469 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 [2020-09-16 13:54:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-09-16 13:54:45,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 307. [2020-09-16 13:54:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-09-16 13:54:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 665 transitions. [2020-09-16 13:54:45,477 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 665 transitions. Word has length 35 [2020-09-16 13:54:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:45,477 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 665 transitions. [2020-09-16 13:54:45,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 665 transitions. [2020-09-16 13:54:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-16 13:54:45,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:45,479 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] [2020-09-16 13:54:45,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-16 13:54:45,479 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]=== [2020-09-16 13:54:45,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:45,479 INFO L82 PathProgramCache]: Analyzing trace with hash -290676825, now seen corresponding path program 1 times [2020-09-16 13:54:45,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:45,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998197406] [2020-09-16 13:54:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:45,800 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-09-16 13:54:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:46,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998197406] [2020-09-16 13:54:46,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:46,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-16 13:54:46,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545392164] [2020-09-16 13:54:46,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-16 13:54:46,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:46,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-16 13:54:46,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-09-16 13:54:46,173 INFO L87 Difference]: Start difference. First operand 307 states and 665 transitions. Second operand 12 states. [2020-09-16 13:54:46,439 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-09-16 13:54:47,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:47,288 INFO L93 Difference]: Finished difference Result 347 states and 748 transitions. [2020-09-16 13:54:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-16 13:54:47,289 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2020-09-16 13:54:47,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:47,292 INFO L225 Difference]: With dead ends: 347 [2020-09-16 13:54:47,292 INFO L226 Difference]: Without dead ends: 347 [2020-09-16 13:54:47,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:54:47,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-09-16 13:54:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2020-09-16 13:54:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-16 13:54:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 748 transitions. [2020-09-16 13:54:47,301 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 748 transitions. Word has length 36 [2020-09-16 13:54:47,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:47,302 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 748 transitions. [2020-09-16 13:54:47,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-16 13:54:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 748 transitions. [2020-09-16 13:54:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-16 13:54:47,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:47,304 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] [2020-09-16 13:54:47,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-16 13:54:47,305 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]=== [2020-09-16 13:54:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:47,305 INFO L82 PathProgramCache]: Analyzing trace with hash -23176832, now seen corresponding path program 1 times [2020-09-16 13:54:47,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:47,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564055184] [2020-09-16 13:54:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:47,682 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2020-09-16 13:54:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:48,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564055184] [2020-09-16 13:54:48,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:48,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-16 13:54:48,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133830007] [2020-09-16 13:54:48,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-16 13:54:48,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:48,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-16 13:54:48,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-16 13:54:48,418 INFO L87 Difference]: Start difference. First operand 347 states and 748 transitions. Second operand 16 states. [2020-09-16 13:54:49,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:49,607 INFO L93 Difference]: Finished difference Result 500 states and 1084 transitions. [2020-09-16 13:54:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-16 13:54:49,608 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2020-09-16 13:54:49,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:49,612 INFO L225 Difference]: With dead ends: 500 [2020-09-16 13:54:49,612 INFO L226 Difference]: Without dead ends: 491 [2020-09-16 13:54:49,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-09-16 13:54:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-16 13:54:49,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 461. [2020-09-16 13:54:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-09-16 13:54:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 1003 transitions. [2020-09-16 13:54:49,622 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 1003 transitions. Word has length 37 [2020-09-16 13:54:49,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:49,622 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 1003 transitions. [2020-09-16 13:54:49,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-16 13:54:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1003 transitions. [2020-09-16 13:54:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-16 13:54:49,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:49,624 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] [2020-09-16 13:54:49,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-16 13:54:49,624 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]=== [2020-09-16 13:54:49,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:49,625 INFO L82 PathProgramCache]: Analyzing trace with hash -716643246, now seen corresponding path program 1 times [2020-09-16 13:54:49,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:49,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369209676] [2020-09-16 13:54:49,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:50,215 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-09-16 13:54:50,401 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 38 [2020-09-16 13:54:51,134 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-09-16 13:54:51,392 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2020-09-16 13:54:51,613 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2020-09-16 13:54:51,847 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-09-16 13:54:52,068 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2020-09-16 13:54:52,230 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2020-09-16 13:54:52,682 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-09-16 13:54:52,921 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-09-16 13:54:53,210 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-09-16 13:54:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:53,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369209676] [2020-09-16 13:54:53,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:53,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-09-16 13:54:53,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939024655] [2020-09-16 13:54:53,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-16 13:54:53,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:53,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-16 13:54:53,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-09-16 13:54:53,344 INFO L87 Difference]: Start difference. First operand 461 states and 1003 transitions. Second operand 22 states. [2020-09-16 13:54:54,132 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-09-16 13:54:54,678 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-09-16 13:54:56,353 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-09-16 13:54:57,024 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-09-16 13:54:58,103 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-09-16 13:54:58,545 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-09-16 13:54:58,709 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-09-16 13:54:59,023 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-09-16 13:54:59,236 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-09-16 13:54:59,432 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-09-16 13:55:00,020 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-09-16 13:55:00,203 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-09-16 13:55:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:00,583 INFO L93 Difference]: Finished difference Result 871 states and 1893 transitions. [2020-09-16 13:55:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-16 13:55:00,584 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 38 [2020-09-16 13:55:00,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:00,589 INFO L225 Difference]: With dead ends: 871 [2020-09-16 13:55:00,589 INFO L226 Difference]: Without dead ends: 831 [2020-09-16 13:55:00,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=244, Invalid=1736, Unknown=0, NotChecked=0, Total=1980 [2020-09-16 13:55:00,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-09-16 13:55:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 592. [2020-09-16 13:55:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-09-16 13:55:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1288 transitions. [2020-09-16 13:55:00,605 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1288 transitions. Word has length 38 [2020-09-16 13:55:00,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:00,605 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 1288 transitions. [2020-09-16 13:55:00,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-16 13:55:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1288 transitions. [2020-09-16 13:55:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-16 13:55:00,607 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:00,607 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] [2020-09-16 13:55:00,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-16 13:55:00,608 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]=== [2020-09-16 13:55:00,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:00,608 INFO L82 PathProgramCache]: Analyzing trace with hash -706318446, now seen corresponding path program 2 times [2020-09-16 13:55:00,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:00,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37411162] [2020-09-16 13:55:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:00,972 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2020-09-16 13:55:01,103 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2020-09-16 13:55:01,350 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2020-09-16 13:55:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:02,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37411162] [2020-09-16 13:55:02,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:55:02,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-16 13:55:02,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156806769] [2020-09-16 13:55:02,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-16 13:55:02,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:02,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-16 13:55:02,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-16 13:55:02,398 INFO L87 Difference]: Start difference. First operand 592 states and 1288 transitions. Second operand 20 states. [2020-09-16 13:55:03,870 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-16 13:55:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:05,600 INFO L93 Difference]: Finished difference Result 808 states and 1742 transitions. [2020-09-16 13:55:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-16 13:55:05,601 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-09-16 13:55:05,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:05,605 INFO L225 Difference]: With dead ends: 808 [2020-09-16 13:55:05,605 INFO L226 Difference]: Without dead ends: 768 [2020-09-16 13:55:05,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=142, Invalid=850, Unknown=0, NotChecked=0, Total=992 [2020-09-16 13:55:05,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-16 13:55:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 594. [2020-09-16 13:55:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-09-16 13:55:05,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1291 transitions. [2020-09-16 13:55:05,620 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1291 transitions. Word has length 38 [2020-09-16 13:55:05,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:05,620 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 1291 transitions. [2020-09-16 13:55:05,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-16 13:55:05,621 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1291 transitions. [2020-09-16 13:55:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-16 13:55:05,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:05,622 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] [2020-09-16 13:55:05,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-16 13:55:05,623 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]=== [2020-09-16 13:55:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:05,623 INFO L82 PathProgramCache]: Analyzing trace with hash -238269934, now seen corresponding path program 3 times [2020-09-16 13:55:05,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:05,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964687110] [2020-09-16 13:55:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:05,973 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2020-09-16 13:55:06,092 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2020-09-16 13:55:06,334 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2020-09-16 13:55:06,472 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-09-16 13:55:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:07,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964687110] [2020-09-16 13:55:07,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:55:07,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-16 13:55:07,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32200141] [2020-09-16 13:55:07,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-16 13:55:07,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:07,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-16 13:55:07,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-16 13:55:07,455 INFO L87 Difference]: Start difference. First operand 594 states and 1291 transitions. Second operand 20 states. [2020-09-16 13:55:08,600 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-16 13:55:10,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:10,095 INFO L93 Difference]: Finished difference Result 768 states and 1653 transitions. [2020-09-16 13:55:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-16 13:55:10,097 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-09-16 13:55:10,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:10,101 INFO L225 Difference]: With dead ends: 768 [2020-09-16 13:55:10,101 INFO L226 Difference]: Without dead ends: 728 [2020-09-16 13:55:10,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2020-09-16 13:55:10,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-16 13:55:10,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 596. [2020-09-16 13:55:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-09-16 13:55:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1294 transitions. [2020-09-16 13:55:10,115 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1294 transitions. Word has length 38 [2020-09-16 13:55:10,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:10,116 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 1294 transitions. [2020-09-16 13:55:10,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-16 13:55:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1294 transitions. [2020-09-16 13:55:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-16 13:55:10,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:10,117 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] [2020-09-16 13:55:10,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-16 13:55:10,118 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]=== [2020-09-16 13:55:10,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash -505552430, now seen corresponding path program 4 times [2020-09-16 13:55:10,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:10,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019900409] [2020-09-16 13:55:10,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:10,476 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2020-09-16 13:55:10,591 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2020-09-16 13:55:10,723 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2020-09-16 13:55:10,848 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-09-16 13:55:10,987 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-09-16 13:55:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:11,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019900409] [2020-09-16 13:55:11,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:55:11,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-16 13:55:11,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984171464] [2020-09-16 13:55:11,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-16 13:55:11,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:11,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-16 13:55:11,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-09-16 13:55:11,942 INFO L87 Difference]: Start difference. First operand 596 states and 1294 transitions. Second operand 20 states. [2020-09-16 13:55:13,399 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-16 13:55:14,813 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-09-16 13:55:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:15,223 INFO L93 Difference]: Finished difference Result 778 states and 1668 transitions. [2020-09-16 13:55:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-16 13:55:15,224 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-09-16 13:55:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:15,228 INFO L225 Difference]: With dead ends: 778 [2020-09-16 13:55:15,229 INFO L226 Difference]: Without dead ends: 738 [2020-09-16 13:55:15,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2020-09-16 13:55:15,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-09-16 13:55:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 604. [2020-09-16 13:55:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-09-16 13:55:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-09-16 13:55:15,243 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-09-16 13:55:15,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:15,244 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-09-16 13:55:15,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-16 13:55:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-09-16 13:55:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-16 13:55:15,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:15,246 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] [2020-09-16 13:55:15,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-16 13:55:15,246 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]=== [2020-09-16 13:55:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1995609500, now seen corresponding path program 5 times [2020-09-16 13:55:15,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:15,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260230012] [2020-09-16 13:55:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:15,803 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2020-09-16 13:55:15,950 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2020-09-16 13:55:16,111 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-09-16 13:55:16,715 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2020-09-16 13:55:16,862 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2020-09-16 13:55:17,333 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2020-09-16 13:55:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:17,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260230012] [2020-09-16 13:55:17,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:55:17,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-16 13:55:17,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101256620] [2020-09-16 13:55:17,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-16 13:55:17,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:17,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-16 13:55:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-16 13:55:17,591 INFO L87 Difference]: Start difference. First operand 604 states and 1306 transitions. Second operand 19 states. [2020-09-16 13:55:21,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:21,354 INFO L93 Difference]: Finished difference Result 1124 states and 2431 transitions. [2020-09-16 13:55:21,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-16 13:55:21,355 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-09-16 13:55:21,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:21,360 INFO L225 Difference]: With dead ends: 1124 [2020-09-16 13:55:21,360 INFO L226 Difference]: Without dead ends: 1084 [2020-09-16 13:55:21,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=218, Invalid=1264, Unknown=0, NotChecked=0, Total=1482 [2020-09-16 13:55:21,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-09-16 13:55:21,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 604. [2020-09-16 13:55:21,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-09-16 13:55:21,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-09-16 13:55:21,377 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-09-16 13:55:21,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:21,378 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-09-16 13:55:21,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-16 13:55:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-09-16 13:55:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-16 13:55:21,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:21,380 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] [2020-09-16 13:55:21,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-16 13:55:21,380 INFO L427 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:55:21,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1985284700, now seen corresponding path program 6 times [2020-09-16 13:55:21,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:21,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379534956] [2020-09-16 13:55:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat