/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_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-16 13:53:54,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-16 13:53:54,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-16 13:53:54,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-16 13:53:54,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-16 13:53:54,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-16 13:53:54,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-16 13:53:54,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-16 13:53:54,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-16 13:53:54,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-16 13:53:54,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-16 13:53:54,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-16 13:53:54,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-16 13:53:54,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-16 13:53:54,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-16 13:53:54,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-16 13:53:54,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-16 13:53:54,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-16 13:53:54,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-16 13:53:54,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-16 13:53:54,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-16 13:53:54,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-16 13:53:54,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-16 13:53:54,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-16 13:53:54,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-16 13:53:54,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-16 13:53:54,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-16 13:53:54,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-16 13:53:54,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-16 13:53:54,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-16 13:53:54,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-16 13:53:54,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-16 13:53:54,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-16 13:53:54,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-16 13:53:54,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-16 13:53:54,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-16 13:53:54,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-16 13:53:54,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-16 13:53:54,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-16 13:53:54,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-16 13:53:54,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-16 13:53:54,919 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 13:53:54,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-16 13:53:54,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-16 13:53:54,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-16 13:53:54,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-16 13:53:54,975 INFO L138 SettingsManager]: * Use SBE=true [2020-09-16 13:53:54,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-16 13:53:54,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-16 13:53:54,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-16 13:53:54,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-16 13:53:54,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-16 13:53:54,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-16 13:53:54,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-16 13:53:54,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-16 13:53:54,978 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-16 13:53:54,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-16 13:53:54,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-16 13:53:54,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-16 13:53:54,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-16 13:53:54,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-16 13:53:54,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-16 13:53:54,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-16 13:53:54,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 13:53:54,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-16 13:53:54,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-16 13:53:54,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-16 13:53:54,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-16 13:53:54,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-16 13:53:54,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-16 13:53:54,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-16 13:53:54,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-16 13:53:55,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-16 13:53:55,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-16 13:53:55,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-16 13:53:55,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-16 13:53:55,449 INFO L275 PluginConnector]: CDTParser initialized [2020-09-16 13:53:55,450 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2020-09-16 13:53:55,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774bce4a7/489451e185f9426caba8fb2bee42c258/FLAG2a3dc60c1 [2020-09-16 13:53:56,272 INFO L306 CDTParser]: Found 1 translation units. [2020-09-16 13:53:56,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2020-09-16 13:53:56,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774bce4a7/489451e185f9426caba8fb2bee42c258/FLAG2a3dc60c1 [2020-09-16 13:53:56,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/774bce4a7/489451e185f9426caba8fb2bee42c258 [2020-09-16 13:53:56,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-16 13:53:56,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-16 13:53:56,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-16 13:53:56,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-16 13:53:56,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-16 13:53:56,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:53:56" (1/1) ... [2020-09-16 13:53:56,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542192fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:56, skipping insertion in model container [2020-09-16 13:53:56,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:53:56" (1/1) ... [2020-09-16 13:53:56,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-16 13:53:56,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-16 13:53:57,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 13:53:57,197 INFO L203 MainTranslator]: Completed pre-run [2020-09-16 13:53:57,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 13:53:57,421 INFO L208 MainTranslator]: Completed translation [2020-09-16 13:53:57,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57 WrapperNode [2020-09-16 13:53:57,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-16 13:53:57,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-16 13:53:57,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-16 13:53:57,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-16 13:53:57,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-16 13:53:57,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-16 13:53:57,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-16 13:53:57,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-16 13:53:57,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (1/1) ... [2020-09-16 13:53:57,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-16 13:53:57,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-16 13:53:57,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-16 13:53:57,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-16 13:53:57,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (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 13:53:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-16 13:53:57,648 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-16 13:53:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-16 13:53:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-16 13:53:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-16 13:53:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-16 13:53:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-16 13:53:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-16 13:53:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-16 13:53:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-16 13:53:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-16 13:53:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-16 13:53:57,654 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 13:53:58,383 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-16 13:53:58,384 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-16 13:53:58,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:53:58 BoogieIcfgContainer [2020-09-16 13:53:58,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-16 13:53:58,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-16 13:53:58,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-16 13:53:58,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-16 13:53:58,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 01:53:56" (1/3) ... [2020-09-16 13:53:58,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d992ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:53:58, skipping insertion in model container [2020-09-16 13:53:58,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57" (2/3) ... [2020-09-16 13:53:58,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d992ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:53:58, skipping insertion in model container [2020-09-16 13:53:58,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:53:58" (3/3) ... [2020-09-16 13:53:58,399 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-09-16 13:53:58,411 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-16 13:53:58,411 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-16 13:53:58,421 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-16 13:53:58,422 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-16 13:53:58,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,478 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,487 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,487 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,487 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,489 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,490 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,491 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,495 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,497 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,498 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,499 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,500 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,501 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,503 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,504 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,504 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,504 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,504 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,505 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,505 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,512 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,536 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,563 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,567 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,568 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,569 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,569 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,571 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,571 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,572 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,572 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,572 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,608 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-16 13:53:58,638 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 13:53:58,638 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 13:53:58,639 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 13:53:58,639 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 13:53:58,639 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 13:53:58,639 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 13:53:58,639 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 13:53:58,639 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 13:53:58,662 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-09-16 13:53:58,664 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-16 13:53:58,758 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-16 13:53:58,758 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 13:53:58,775 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-09-16 13:53:58,789 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-16 13:53:58,859 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-16 13:53:58,859 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 13:53:58,862 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-09-16 13:53:58,870 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9440 [2020-09-16 13:53:58,871 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 13:54:02,228 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-16 13:54:03,176 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-09-16 13:54:03,382 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-16 13:54:03,994 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-09-16 13:54:04,375 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-09-16 13:54:05,941 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-09-16 13:54:06,399 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-16 13:54:06,434 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17748 [2020-09-16 13:54:06,434 INFO L214 etLargeBlockEncoding]: Total number of compositions: 178 [2020-09-16 13:54:06,438 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-09-16 13:54:06,480 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-09-16 13:54:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-09-16 13:54:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-16 13:54:06,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:06,493 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-16 13:54:06,493 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:06,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:06,501 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-09-16 13:54:06,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:06,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748015154] [2020-09-16 13:54:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:06,651 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 13:54:06,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748015154] [2020-09-16 13:54:06,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:06,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-16 13:54:06,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431832753] [2020-09-16 13:54:06,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-16 13:54:06,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:06,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-16 13:54:06,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 13:54:06,680 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-09-16 13:54:06,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:06,728 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-09-16 13:54:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-16 13:54:06,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-16 13:54:06,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:06,752 INFO L225 Difference]: With dead ends: 715 [2020-09-16 13:54:06,752 INFO L226 Difference]: Without dead ends: 524 [2020-09-16 13:54:06,754 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 13:54:06,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-16 13:54:06,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-09-16 13:54:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-16 13:54:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-09-16 13:54:06,863 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-09-16 13:54:06,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:06,863 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-09-16 13:54:06,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-16 13:54:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-09-16 13:54:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-16 13:54:06,870 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:06,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:06,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-16 13:54:06,871 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:06,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:06,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-09-16 13:54:06,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:06,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735512731] [2020-09-16 13:54:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,055 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 13:54:07,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735512731] [2020-09-16 13:54:07,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:07,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 13:54:07,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163722739] [2020-09-16 13:54:07,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:07,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:07,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:07,061 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-09-16 13:54:07,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,095 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-09-16 13:54:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:07,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-09-16 13:54:07,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,098 INFO L225 Difference]: With dead ends: 236 [2020-09-16 13:54:07,098 INFO L226 Difference]: Without dead ends: 212 [2020-09-16 13:54:07,099 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 13:54:07,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-16 13:54:07,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-09-16 13:54:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-16 13:54:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-09-16 13:54:07,180 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-09-16 13:54:07,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,180 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-09-16 13:54:07,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-09-16 13:54:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-16 13:54:07,185 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:07,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-16 13:54:07,185 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:07,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:07,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-09-16 13:54:07,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:07,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9216720] [2020-09-16 13:54:07,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,292 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 13:54:07,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9216720] [2020-09-16 13:54:07,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:07,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 13:54:07,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543798129] [2020-09-16 13:54:07,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:07,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:07,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:07,297 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-09-16 13:54:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,323 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-09-16 13:54:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:07,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-09-16 13:54:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,326 INFO L225 Difference]: With dead ends: 272 [2020-09-16 13:54:07,326 INFO L226 Difference]: Without dead ends: 272 [2020-09-16 13:54:07,327 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 13:54:07,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-16 13:54:07,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-09-16 13:54:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-16 13:54:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-09-16 13:54:07,342 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-09-16 13:54:07,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,343 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-09-16 13:54:07,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-09-16 13:54:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-16 13:54:07,349 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,349 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] [2020-09-16 13:54:07,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-16 13:54:07,349 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:07,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:07,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-09-16 13:54:07,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:07,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655072296] [2020-09-16 13:54:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655072296] [2020-09-16 13:54:07,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:07,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 13:54:07,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129218255] [2020-09-16 13:54:07,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:07,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:07,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:07,506 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-09-16 13:54:07,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,526 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-09-16 13:54:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:07,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-16 13:54:07,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,528 INFO L225 Difference]: With dead ends: 166 [2020-09-16 13:54:07,528 INFO L226 Difference]: Without dead ends: 164 [2020-09-16 13:54:07,529 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 13:54:07,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-16 13:54:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-16 13:54:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-16 13:54:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-09-16 13:54:07,535 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-09-16 13:54:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,535 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-09-16 13:54:07,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-09-16 13:54:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-16 13:54:07,537 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,537 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] [2020-09-16 13:54:07,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-16 13:54:07,537 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:07,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:07,538 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-09-16 13:54:07,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:07,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462479348] [2020-09-16 13:54:07,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462479348] [2020-09-16 13:54:07,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238379676] [2020-09-16 13:54:07,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-09-16 13:54:07,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:07,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-09-16 13:54:07,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603390685] [2020-09-16 13:54:07,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 13:54:07,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 13:54:07,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-16 13:54:07,846 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-09-16 13:54:07,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,890 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-09-16 13:54:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-16 13:54:07,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-16 13:54:07,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,892 INFO L225 Difference]: With dead ends: 240 [2020-09-16 13:54:07,892 INFO L226 Difference]: Without dead ends: 240 [2020-09-16 13:54:07,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-16 13:54:07,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-16 13:54:07,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-09-16 13:54:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-16 13:54:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-09-16 13:54:07,900 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-09-16 13:54:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,900 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-09-16 13:54:07,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 13:54:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-09-16 13:54:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-16 13:54:07,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,902 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:08,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:08,116 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:08,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:08,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-09-16 13:54:08,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:08,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865880444] [2020-09-16 13:54:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:08,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865880444] [2020-09-16 13:54:08,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322475763] [2020-09-16 13:54:08,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:08,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 13:54:08,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:08,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-16 13:54:08,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:08,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:08,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-09-16 13:54:08,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073157836] [2020-09-16 13:54:08,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-16 13:54:08,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:08,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-16 13:54:08,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-16 13:54:08,443 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-09-16 13:54:08,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:08,495 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-09-16 13:54:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-16 13:54:08,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-16 13:54:08,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:08,498 INFO L225 Difference]: With dead ends: 280 [2020-09-16 13:54:08,498 INFO L226 Difference]: Without dead ends: 280 [2020-09-16 13:54:08,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-16 13:54:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-16 13:54:08,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-09-16 13:54:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-16 13:54:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-09-16 13:54:08,508 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-09-16 13:54:08,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:08,508 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-09-16 13:54:08,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-16 13:54:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-09-16 13:54:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-16 13:54:08,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:08,512 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:08,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:08,726 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:08,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:08,727 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-09-16 13:54:08,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:08,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821760150] [2020-09-16 13:54:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:08,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821760150] [2020-09-16 13:54:08,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885636493] [2020-09-16 13:54:08,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:09,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-09-16 13:54:09,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:09,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-16 13:54:09,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:09,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:09,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-09-16 13:54:09,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756822764] [2020-09-16 13:54:09,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-16 13:54:09,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:09,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-16 13:54:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-16 13:54:09,482 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-09-16 13:54:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:09,538 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-09-16 13:54:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-16 13:54:09,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-16 13:54:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:09,540 INFO L225 Difference]: With dead ends: 320 [2020-09-16 13:54:09,541 INFO L226 Difference]: Without dead ends: 320 [2020-09-16 13:54:09,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-16 13:54:09,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-16 13:54:09,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-09-16 13:54:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-16 13:54:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-09-16 13:54:09,554 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-09-16 13:54:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:09,555 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-09-16 13:54:09,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-16 13:54:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-09-16 13:54:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-16 13:54:09,556 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:09,557 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:09,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:09,771 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:09,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:09,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-09-16 13:54:09,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:09,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245787033] [2020-09-16 13:54:09,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:09,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245787033] [2020-09-16 13:54:09,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438161522] [2020-09-16 13:54:09,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:10,399 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 13:54:10,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:10,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-16 13:54:10,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:10,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:10,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-09-16 13:54:10,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347804044] [2020-09-16 13:54:10,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-16 13:54:10,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:10,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-16 13:54:10,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-16 13:54:10,448 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-09-16 13:54:10,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:10,522 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-09-16 13:54:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-16 13:54:10,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-16 13:54:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:10,528 INFO L225 Difference]: With dead ends: 360 [2020-09-16 13:54:10,528 INFO L226 Difference]: Without dead ends: 360 [2020-09-16 13:54:10,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-16 13:54:10,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-16 13:54:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-09-16 13:54:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-16 13:54:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-09-16 13:54:10,542 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-09-16 13:54:10,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:10,542 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-09-16 13:54:10,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-16 13:54:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-09-16 13:54:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-16 13:54:10,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:10,545 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:10,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:10,759 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:10,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-09-16 13:54:10,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:10,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053492460] [2020-09-16 13:54:10,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:10,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053492460] [2020-09-16 13:54:10,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121594038] [2020-09-16 13:54:10,936 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:11,155 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-09-16 13:54:11,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:11,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-09-16 13:54:11,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:11,234 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-16 13:54:11,235 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,238 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,238 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-16 13:54:11,294 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,295 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-16 13:54:11,296 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,335 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-16 13:54:11,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:11,361 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:11,362 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-16 13:54:11,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:11,475 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,475 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-09-16 13:54:11,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:11,478 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,485 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:11,502 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,502 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:54:11,503 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,607 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-16 13:54:11,608 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-16 13:54:11,613 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:11,613 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-16 13:54:11,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:11,674 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:54:11,675 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:11,693 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:11,694 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,734 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,739 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:11,739 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:54:11,821 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-16 13:54:11,822 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,835 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,836 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,836 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-16 13:54:11,913 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,914 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 75 [2020-09-16 13:54:11,914 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,941 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-09-16 13:54:11,946 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-09-16 13:54:12,009 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:12,010 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:54:12,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:12,035 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-09-16 13:54:12,036 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:12,037 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-16 13:54:12,076 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:54:12,077 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:12,077 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:12,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:12,084 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:12,085 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-16 13:54:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-16 13:54:12,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:12,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-09-16 13:54:12,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028744489] [2020-09-16 13:54:12,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-16 13:54:12,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:12,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-16 13:54:12,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:54:12,136 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-09-16 13:54:15,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:15,372 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-09-16 13:54:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-16 13:54:15,373 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-09-16 13:54:15,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:15,378 INFO L225 Difference]: With dead ends: 990 [2020-09-16 13:54:15,379 INFO L226 Difference]: Without dead ends: 990 [2020-09-16 13:54:15,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-09-16 13:54:15,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-09-16 13:54:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-09-16 13:54:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-09-16 13:54:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-09-16 13:54:15,399 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-09-16 13:54:15,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:15,400 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-09-16 13:54:15,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-16 13:54:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-09-16 13:54:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-16 13:54:15,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:15,402 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:15,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:15,618 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:15,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:15,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-09-16 13:54:15,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:15,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848015700] [2020-09-16 13:54:15,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:15,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848015700] [2020-09-16 13:54:15,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690753062] [2020-09-16 13:54:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:16,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-16 13:54:16,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:16,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:16,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-09-16 13:54:16,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670639750] [2020-09-16 13:54:16,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-16 13:54:16,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:16,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-16 13:54:16,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-16 13:54:16,047 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-09-16 13:54:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:16,136 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-09-16 13:54:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-16 13:54:16,137 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-09-16 13:54:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:16,142 INFO L225 Difference]: With dead ends: 828 [2020-09-16 13:54:16,142 INFO L226 Difference]: Without dead ends: 828 [2020-09-16 13:54:16,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-16 13:54:16,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-09-16 13:54:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-09-16 13:54:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-16 13:54:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-09-16 13:54:16,172 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-09-16 13:54:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:16,173 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-09-16 13:54:16,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-16 13:54:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-09-16 13:54:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-16 13:54:16,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:16,176 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:16,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:16,391 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:16,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:16,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-09-16 13:54:16,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:16,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177638975] [2020-09-16 13:54:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:16,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177638975] [2020-09-16 13:54:16,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163893957] [2020-09-16 13:54:16,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:16,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 13:54:16,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:16,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-16 13:54:16,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:16,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:16,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-09-16 13:54:16,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613531072] [2020-09-16 13:54:16,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-16 13:54:16,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:16,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-16 13:54:16,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-16 13:54:16,897 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-09-16 13:54:16,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:16,989 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-09-16 13:54:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-16 13:54:16,990 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-09-16 13:54:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:16,995 INFO L225 Difference]: With dead ends: 928 [2020-09-16 13:54:16,995 INFO L226 Difference]: Without dead ends: 928 [2020-09-16 13:54:16,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-16 13:54:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-09-16 13:54:17,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-09-16 13:54:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-09-16 13:54:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-09-16 13:54:17,016 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-09-16 13:54:17,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:17,016 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-09-16 13:54:17,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-16 13:54:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-09-16 13:54:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-16 13:54:17,018 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:17,019 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:17,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:17,233 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:17,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-09-16 13:54:17,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:17,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585102540] [2020-09-16 13:54:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:17,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585102540] [2020-09-16 13:54:17,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37494250] [2020-09-16 13:54:17,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:18,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-09-16 13:54:18,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:18,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 67 conjunts are in the unsatisfiable core [2020-09-16 13:54:18,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:18,511 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2020-09-16 13:54:18,515 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,563 INFO L625 ElimStorePlain]: treesize reduction 65, result has 30.1 percent of original size [2020-09-16 13:54:18,572 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-09-16 13:54:18,572 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,584 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,588 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,589 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:16 [2020-09-16 13:54:18,610 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-09-16 13:54:18,611 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,615 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,618 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-09-16 13:54:18,657 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-16 13:54:18,658 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,662 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,662 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,663 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-16 13:54:18,688 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:18,689 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,696 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,699 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,699 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-16 13:54:18,747 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:18,763 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,763 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:54:18,764 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,794 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-16 13:54:18,796 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,796 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-16 13:54:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:18,829 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:18,830 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,844 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,845 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-16 13:54:18,896 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:54:18,896 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,909 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,909 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,909 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-09-16 13:54:18,935 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:18,936 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,944 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,944 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-16 13:54:18,995 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:19,016 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:19,017 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:54:19,017 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:19,043 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-09-16 13:54:19,044 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:19,044 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-16 13:54:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:19,081 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:19,081 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:19,091 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:19,092 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:19,092 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-16 13:54:19,102 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-09-16 13:54:19,103 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:19,104 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:19,105 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:19,105 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-16 13:54:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-16 13:54:19,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:19,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2020-09-16 13:54:19,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91333624] [2020-09-16 13:54:19,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-16 13:54:19,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:19,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-16 13:54:19,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2020-09-16 13:54:19,155 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 22 states. [2020-09-16 13:54:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:22,023 INFO L93 Difference]: Finished difference Result 1276 states and 2352 transitions. [2020-09-16 13:54:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-09-16 13:54:22,029 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 79 [2020-09-16 13:54:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:22,035 INFO L225 Difference]: With dead ends: 1276 [2020-09-16 13:54:22,036 INFO L226 Difference]: Without dead ends: 1276 [2020-09-16 13:54:22,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1146, Invalid=4256, Unknown=0, NotChecked=0, Total=5402 [2020-09-16 13:54:22,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-09-16 13:54:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 888. [2020-09-16 13:54:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-09-16 13:54:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1638 transitions. [2020-09-16 13:54:22,061 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1638 transitions. Word has length 79 [2020-09-16 13:54:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:22,062 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1638 transitions. [2020-09-16 13:54:22,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-16 13:54:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1638 transitions. [2020-09-16 13:54:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-16 13:54:22,064 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:22,065 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:22,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-09-16 13:54:22,279 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1962857127, now seen corresponding path program 4 times [2020-09-16 13:54:22,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:22,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597921602] [2020-09-16 13:54:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:22,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597921602] [2020-09-16 13:54:22,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361642042] [2020-09-16 13:54:22,589 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:23,528 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 13:54:23,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:23,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-16 13:54:23,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:23,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:23,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-09-16 13:54:23,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891144783] [2020-09-16 13:54:23,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-16 13:54:23,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:23,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-16 13:54:23,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:23,562 INFO L87 Difference]: Start difference. First operand 888 states and 1638 transitions. Second operand 13 states. [2020-09-16 13:54:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:23,655 INFO L93 Difference]: Finished difference Result 1060 states and 1947 transitions. [2020-09-16 13:54:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-16 13:54:23,655 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2020-09-16 13:54:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:23,660 INFO L225 Difference]: With dead ends: 1060 [2020-09-16 13:54:23,660 INFO L226 Difference]: Without dead ends: 1060 [2020-09-16 13:54:23,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-09-16 13:54:23,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 980. [2020-09-16 13:54:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-09-16 13:54:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1803 transitions. [2020-09-16 13:54:23,681 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1803 transitions. Word has length 88 [2020-09-16 13:54:23,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:23,682 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1803 transitions. [2020-09-16 13:54:23,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-16 13:54:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1803 transitions. [2020-09-16 13:54:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-16 13:54:23,684 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:23,685 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:23,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:23,898 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:23,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:23,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1574165281, now seen corresponding path program 5 times [2020-09-16 13:54:23,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:23,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048873800] [2020-09-16 13:54:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:24,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048873800] [2020-09-16 13:54:24,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600017502] [2020-09-16 13:54:24,179 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:29,295 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-09-16 13:54:29,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:29,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 143 conjunts are in the unsatisfiable core [2020-09-16 13:54:29,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:29,429 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-09-16 13:54:29,431 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,433 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,433 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,434 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-09-16 13:54:29,479 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,480 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 63 [2020-09-16 13:54:29,480 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:29,482 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,521 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-09-16 13:54:29,523 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:29,525 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,525 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-09-16 13:54:29,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:29,621 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,624 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,662 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,663 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 50 [2020-09-16 13:54:29,666 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-16 13:54:29,666 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-16 13:54:29,667 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,692 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,693 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-16 13:54:29,694 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:29,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:29,695 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,788 INFO L625 ElimStorePlain]: treesize reduction 136, result has 35.5 percent of original size [2020-09-16 13:54:29,790 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,791 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-09-16 13:54:29,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:29,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-09-16 13:54:29,882 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,888 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:54:29,889 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,928 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,929 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-09-16 13:54:29,994 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-16 13:54:29,995 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,997 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,998 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-16 13:54:30,048 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,048 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-16 13:54:30,049 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,091 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-16 13:54:30,093 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:30,094 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:30,095 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-16 13:54:30,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:30,231 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,231 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-16 13:54:30,233 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:30,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:30,234 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:30,239 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:30,257 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,258 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:54:30,259 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,356 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-16 13:54:30,358 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:30,358 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-16 13:54:30,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:30,438 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:54:30,438 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,450 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:30,451 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,487 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,489 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:30,489 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:54:30,635 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-16 13:54:30,635 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:30,647 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-09-16 13:54:30,648 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,684 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-16 13:54:30,690 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:54:30,690 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,709 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,709 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:30,709 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-09-16 13:54:30,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:30,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,791 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-09-16 13:54:30,792 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,829 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,830 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-16 13:54:30,831 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,922 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-16 13:54:30,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:30,926 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:30,926 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-16 13:54:31,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:31,102 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,102 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-16 13:54:31,104 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:31,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:31,105 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:31,120 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:31,137 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,137 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:54:31,138 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,233 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-16 13:54:31,236 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:31,236 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-16 13:54:31,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:31,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:31,333 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:31,334 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,340 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:54:31,341 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,370 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,371 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:31,372 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:54:31,470 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-09-16 13:54:31,471 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:31,482 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:54:31,483 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,507 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,513 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2020-09-16 13:54:31,516 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,535 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,535 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:31,536 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:37 [2020-09-16 13:54:31,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:31,664 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,665 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-16 13:54:31,666 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,676 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:54:31,676 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,770 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-09-16 13:54:31,772 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:31,774 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:31,775 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-09-16 13:54:31,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:31,893 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:31,896 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:31,914 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,915 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:54:31,916 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,939 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,940 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-16 13:54:31,941 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:31,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:31,942 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:32,040 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-16 13:54:32,043 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:32,044 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-16 13:54:32,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:32,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:32,155 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:32,156 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,165 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:54:32,165 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:32,205 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:32,205 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:54:32,353 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-16 13:54:32,354 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,366 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:32,366 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,367 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-16 13:54:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:32,438 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:32,438 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:32,460 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:54:32,615 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:32,632 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:32,632 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:54:32,633 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,688 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-16 13:54:32,696 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,696 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:54:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:32,791 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:32,791 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:32,810 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,810 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:54:32,911 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:54:32,911 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:32,928 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:32,928 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:54:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:33,014 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:33,015 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,033 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,034 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,035 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:54:33,212 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:33,230 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,231 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:54:33,232 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:33,233 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,297 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:54:33,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,299 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:54:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:33,400 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:33,401 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,421 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,422 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,422 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:54:33,530 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:54:33,530 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,549 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,549 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:54:33,645 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,645 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 75 [2020-09-16 13:54:33,646 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:33,647 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,678 INFO L625 ElimStorePlain]: treesize reduction 44, result has 50.6 percent of original size [2020-09-16 13:54:33,687 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,687 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:49, output treesize:9 [2020-09-16 13:54:33,800 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,800 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:54:33,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:33,802 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,831 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-16 13:54:33,832 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,833 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-16 13:54:33,898 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:54:33,899 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:54:33,900 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,907 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:33,909 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:33,909 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-16 13:54:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 76 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-16 13:54:33,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:33,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 39] total 50 [2020-09-16 13:54:33,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404820781] [2020-09-16 13:54:33,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-09-16 13:54:33,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:33,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-09-16 13:54:33,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2020-09-16 13:54:33,997 INFO L87 Difference]: Start difference. First operand 980 states and 1803 transitions. Second operand 50 states. [2020-09-16 13:54:44,143 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2020-09-16 13:54:44,950 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:54:45,496 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-09-16 13:54:46,142 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-16 13:54:47,095 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-09-16 13:54:47,501 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-16 13:54:48,424 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-16 13:54:49,006 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-16 13:54:49,546 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:54:49,824 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-16 13:54:50,491 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-16 13:54:50,974 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:54:51,802 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:54:52,574 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-16 13:54:52,835 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:54:53,460 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-16 13:54:53,699 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-16 13:54:54,463 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:54:54,698 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-16 13:54:55,206 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-16 13:54:55,915 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-16 13:54:56,785 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-16 13:54:57,109 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-16 13:54:57,330 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-16 13:54:57,780 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:54:58,418 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-16 13:54:58,611 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-16 13:54:59,066 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-16 13:54:59,298 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-16 13:54:59,593 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-16 13:54:59,998 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-16 13:55:00,322 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-16 13:55:00,933 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-16 13:55:01,251 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-16 13:55:01,672 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:01,997 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-16 13:55:02,721 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-16 13:55:02,966 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-16 13:55:03,163 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:55:03,555 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:55:03,812 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-16 13:55:04,124 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:55:04,309 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-09-16 13:55:04,480 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-16 13:55:04,735 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-16 13:55:05,038 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-16 13:55:06,280 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-16 13:55:06,823 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:55:07,015 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-16 13:55:07,429 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-16 13:55:07,739 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-16 13:55:08,019 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-16 13:55:08,336 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-16 13:55:08,918 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-16 13:55:09,552 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-16 13:55:10,312 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:10,506 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:55:11,070 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-16 13:55:11,378 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-16 13:55:11,650 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-16 13:55:12,286 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:55:12,539 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-16 13:55:13,323 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-16 13:55:13,599 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-16 13:55:14,366 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:55:14,986 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-16 13:55:15,190 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-16 13:55:15,835 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-16 13:55:16,129 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-16 13:55:16,528 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-16 13:55:16,790 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-16 13:55:17,075 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-16 13:55:17,757 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-16 13:55:18,379 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:18,773 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-16 13:55:19,480 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-16 13:55:19,659 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:55:19,992 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:55:20,542 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-16 13:55:20,812 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-16 13:55:21,080 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-16 13:55:21,905 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-16 13:55:22,761 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-16 13:55:23,506 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-16 13:55:24,029 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:55:24,245 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-16 13:55:24,625 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-16 13:55:24,845 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-16 13:55:25,502 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-16 13:55:26,071 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-16 13:55:26,365 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-16 13:55:26,664 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-16 13:55:27,872 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-16 13:55:28,080 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:28,323 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-16 13:55:28,552 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:55:28,874 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-16 13:55:29,478 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:29,838 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-16 13:55:30,065 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-09-16 13:55:30,265 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-16 13:55:30,461 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:55:30,747 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-16 13:55:31,047 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-16 13:55:31,390 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-16 13:55:32,397 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:55:32,953 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2020-09-16 13:55:33,374 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:55:33,592 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2020-09-16 13:55:34,017 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-16 13:55:34,212 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-09-16 13:55:34,636 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2020-09-16 13:55:34,940 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-09-16 13:55:35,315 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-09-16 13:55:35,711 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-09-16 13:55:36,472 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:55:36,686 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-16 13:55:37,337 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-09-16 13:55:37,628 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2020-09-16 13:55:37,914 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-16 13:55:38,128 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:38,402 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2020-09-16 13:55:38,790 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-16 13:55:39,073 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2020-09-16 13:55:39,447 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:55:39,669 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-16 13:55:40,029 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-16 13:55:42,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:42,102 INFO L93 Difference]: Finished difference Result 4535 states and 8261 transitions. [2020-09-16 13:55:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 407 states. [2020-09-16 13:55:42,103 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 96 [2020-09-16 13:55:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:42,120 INFO L225 Difference]: With dead ends: 4535 [2020-09-16 13:55:42,120 INFO L226 Difference]: Without dead ends: 4535 [2020-09-16 13:55:42,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 443 SyntacticMatches, 7 SemanticMatches, 435 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92367 ImplicationChecksByTransitivity, 57.6s TimeCoverageRelationStatistics Valid=22681, Invalid=167851, Unknown=0, NotChecked=0, Total=190532 [2020-09-16 13:55:42,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2020-09-16 13:55:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 2490. [2020-09-16 13:55:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2490 states. [2020-09-16 13:55:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 4478 transitions. [2020-09-16 13:55:42,216 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 4478 transitions. Word has length 96 [2020-09-16 13:55:42,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:42,216 INFO L479 AbstractCegarLoop]: Abstraction has 2490 states and 4478 transitions. [2020-09-16 13:55:42,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-09-16 13:55:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 4478 transitions. [2020-09-16 13:55:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-16 13:55:42,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:42,223 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:55:42,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:55:42,438 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:55:42,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:42,439 INFO L82 PathProgramCache]: Analyzing trace with hash -517851943, now seen corresponding path program 6 times [2020-09-16 13:55:42,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:42,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307852628] [2020-09-16 13:55:42,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:42,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307852628] [2020-09-16 13:55:42,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209632590] [2020-09-16 13:55:42,857 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:55:46,877 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-09-16 13:55:46,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:55:46,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 52 conjunts are in the unsatisfiable core [2020-09-16 13:55:46,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:55:46,924 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:46,925 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 947 treesize of output 889 [2020-09-16 13:55:46,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-09-16 13:55:46,927 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,932 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 2, 5, 2, 4, 2, 3, 2, 4, 2, 4, 2, 4, 2, 3, 1] term [2020-09-16 13:55:46,932 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,934 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 4, 1] term [2020-09-16 13:55:46,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,937 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 1] term [2020-09-16 13:55:46,938 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,939 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-16 13:55:46,939 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,939 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-16 13:55:46,940 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,941 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-16 13:55:46,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,941 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-16 13:55:46,946 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,946 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 1] term [2020-09-16 13:55:46,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,948 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 2, 2, 3, 2, 4, 2, 4, 2, 3, 1] term [2020-09-16 13:55:46,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,951 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 4, 2, 4, 2, 3, 1] term [2020-09-16 13:55:46,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 2, 4, 2, 3, 1] term [2020-09-16 13:55:46,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,955 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 2, 3, 1] term [2020-09-16 13:55:46,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 1] term [2020-09-16 13:55:46,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,961 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-16 13:55:46,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,964 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-16 13:55:46,964 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:46,966 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:55:47,308 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 40 [2020-09-16 13:55:47,309 INFO L625 ElimStorePlain]: treesize reduction 3814, result has 1.3 percent of original size [2020-09-16 13:55:47,316 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-09-16 13:55:47,317 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,351 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,355 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,355 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:58, output treesize:28 [2020-09-16 13:55:47,397 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-09-16 13:55:47,399 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,414 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,416 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,416 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:13 [2020-09-16 13:55:47,484 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-16 13:55:47,484 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,497 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,498 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,498 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-09-16 13:55:47,547 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:55:47,548 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,564 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,565 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,565 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-16 13:55:47,636 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:47,660 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,661 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:55:47,662 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,730 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-09-16 13:55:47,732 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-16 13:55:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:47,793 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:55:47,794 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,817 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,819 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,819 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-16 13:55:47,898 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:55:47,899 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,917 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,918 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,918 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-09-16 13:55:47,967 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-09-16 13:55:47,968 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:47,985 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:47,987 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:47,987 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:29 [2020-09-16 13:55:48,069 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-09-16 13:55:48,070 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:48,090 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:48,092 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:48,093 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:44, output treesize:21 [2020-09-16 13:55:48,245 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:48,245 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 67 [2020-09-16 13:55:48,246 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:55:48,247 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:48,308 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.9 percent of original size [2020-09-16 13:55:48,310 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:48,311 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:45, output treesize:21 [2020-09-16 13:55:48,420 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:55:48,421 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2020-09-16 13:55:48,421 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:48,439 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:48,441 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:48,442 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:21 [2020-09-16 13:55:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 196 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-09-16 13:55:48,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:55:48,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 26 [2020-09-16 13:55:48,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433221333] [2020-09-16 13:55:48,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-16 13:55:48,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:48,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-16 13:55:48,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=514, Unknown=0, NotChecked=0, Total=650 [2020-09-16 13:55:48,477 INFO L87 Difference]: Start difference. First operand 2490 states and 4478 transitions. Second operand 26 states. [2020-09-16 13:56:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:56:03,011 INFO L93 Difference]: Finished difference Result 4529 states and 8061 transitions. [2020-09-16 13:56:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2020-09-16 13:56:03,012 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 104 [2020-09-16 13:56:03,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:56:03,028 INFO L225 Difference]: With dead ends: 4529 [2020-09-16 13:56:03,028 INFO L226 Difference]: Without dead ends: 4529 [2020-09-16 13:56:03,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8943 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=4562, Invalid=16900, Unknown=0, NotChecked=0, Total=21462 [2020-09-16 13:56:03,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2020-09-16 13:56:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 2806. [2020-09-16 13:56:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2806 states. [2020-09-16 13:56:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 5040 transitions. [2020-09-16 13:56:03,097 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 5040 transitions. Word has length 104 [2020-09-16 13:56:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:56:03,097 INFO L479 AbstractCegarLoop]: Abstraction has 2806 states and 5040 transitions. [2020-09-16 13:56:03,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-16 13:56:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 5040 transitions. [2020-09-16 13:56:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-16 13:56:03,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:56:03,105 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:56:03,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-09-16 13:56:03,319 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:56:03,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:56:03,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1299600921, now seen corresponding path program 7 times [2020-09-16 13:56:03,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:56:03,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149121528] [2020-09-16 13:56:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:56:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:56:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:56:03,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149121528] [2020-09-16 13:56:03,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52255655] [2020-09-16 13:56:03,786 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:56:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:56:03,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 14 conjunts are in the unsatisfiable core [2020-09-16 13:56:03,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:56:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:56:03,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:56:03,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-09-16 13:56:03,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625036104] [2020-09-16 13:56:03,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-16 13:56:03,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:56:03,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-16 13:56:03,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-16 13:56:03,997 INFO L87 Difference]: Start difference. First operand 2806 states and 5040 transitions. Second operand 16 states. [2020-09-16 13:56:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:56:04,213 INFO L93 Difference]: Finished difference Result 3399 states and 6096 transitions. [2020-09-16 13:56:04,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-16 13:56:04,215 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 112 [2020-09-16 13:56:04,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:56:04,230 INFO L225 Difference]: With dead ends: 3399 [2020-09-16 13:56:04,230 INFO L226 Difference]: Without dead ends: 3399 [2020-09-16 13:56:04,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-16 13:56:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2020-09-16 13:56:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3122. [2020-09-16 13:56:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3122 states. [2020-09-16 13:56:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 5602 transitions. [2020-09-16 13:56:04,300 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 5602 transitions. Word has length 112 [2020-09-16 13:56:04,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:56:04,301 INFO L479 AbstractCegarLoop]: Abstraction has 3122 states and 5602 transitions. [2020-09-16 13:56:04,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-16 13:56:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 5602 transitions. [2020-09-16 13:56:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-16 13:56:04,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:56:04,310 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:56:04,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-09-16 13:56:04,525 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:56:04,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:56:04,526 INFO L82 PathProgramCache]: Analyzing trace with hash 501814687, now seen corresponding path program 8 times [2020-09-16 13:56:04,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:56:04,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652662612] [2020-09-16 13:56:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:56:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:56:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:56:05,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652662612] [2020-09-16 13:56:05,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052272637] [2020-09-16 13:56:05,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:56:05,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 13:56:05,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:56:05,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-16 13:56:05,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:56:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:56:05,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:56:05,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-09-16 13:56:05,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973416290] [2020-09-16 13:56:05,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-16 13:56:05,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:56:05,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-16 13:56:05,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:56:05,633 INFO L87 Difference]: Start difference. First operand 3122 states and 5602 transitions. Second operand 17 states. [2020-09-16 13:56:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:56:05,943 INFO L93 Difference]: Finished difference Result 3715 states and 6658 transitions. [2020-09-16 13:56:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-16 13:56:05,945 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-09-16 13:56:05,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:56:05,988 INFO L225 Difference]: With dead ends: 3715 [2020-09-16 13:56:05,992 INFO L226 Difference]: Without dead ends: 3715 [2020-09-16 13:56:05,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:56:06,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2020-09-16 13:56:06,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3438. [2020-09-16 13:56:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3438 states. [2020-09-16 13:56:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3438 states and 6164 transitions. [2020-09-16 13:56:06,099 INFO L78 Accepts]: Start accepts. Automaton has 3438 states and 6164 transitions. Word has length 120 [2020-09-16 13:56:06,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:56:06,100 INFO L479 AbstractCegarLoop]: Abstraction has 3438 states and 6164 transitions. [2020-09-16 13:56:06,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-16 13:56:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 6164 transitions. [2020-09-16 13:56:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-16 13:56:06,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:56:06,114 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:56:06,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-09-16 13:56:06,328 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:56:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:56:06,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1527895713, now seen corresponding path program 9 times [2020-09-16 13:56:06,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:56:06,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472115507] [2020-09-16 13:56:06,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:56:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:56:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:56:07,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472115507] [2020-09-16 13:56:07,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911953153] [2020-09-16 13:56:07,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:56:17,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2020-09-16 13:56:17,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:56:17,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 138 conjunts are in the unsatisfiable core [2020-09-16 13:56:17,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:56:17,606 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-09-16 13:56:17,608 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:56:17,662 INFO L625 ElimStorePlain]: treesize reduction 26, result has 51.9 percent of original size [2020-09-16 13:56:17,670 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-09-16 13:56:17,670 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,687 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:17,690 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,690 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:16 [2020-09-16 13:56:17,734 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-09-16 13:56:17,735 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,744 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:17,746 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,746 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-09-16 13:56:17,819 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-16 13:56:17,819 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:17,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-16 13:56:17,872 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:17,873 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:17,887 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:17,888 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-16 13:56:17,954 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:56:17,981 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:17,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:56:17,982 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,037 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-16 13:56:18,039 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,040 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-16 13:56:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:56:18,095 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:18,096 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,120 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,122 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,122 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-16 13:56:18,224 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:56:18,224 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,237 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,238 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-09-16 13:56:18,285 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:18,286 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,299 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,301 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,301 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-16 13:56:18,374 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:56:18,402 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,403 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:56:18,404 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,452 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-09-16 13:56:18,453 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,454 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-09-16 13:56:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:56:18,514 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:18,515 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,535 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,536 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-16 13:56:18,644 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:56:18,645 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,653 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,654 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,654 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:16 [2020-09-16 13:56:18,705 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:18,706 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,718 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,719 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,720 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-16 13:56:18,824 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:56:18,849 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:18,850 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:56:18,851 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,904 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-09-16 13:56:18,906 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:18,907 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-09-16 13:56:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:56:19,000 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:19,001 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,023 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,024 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-16 13:56:19,173 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:56:19,174 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,183 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,184 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,184 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:16 [2020-09-16 13:56:19,241 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:19,242 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,255 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,263 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,263 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-16 13:56:19,345 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:56:19,429 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,429 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:56:19,430 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,476 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-09-16 13:56:19,477 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,477 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-09-16 13:56:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:56:19,551 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:19,552 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,571 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,573 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,573 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-16 13:56:19,707 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-16 13:56:19,708 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,715 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,716 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,716 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-09-16 13:56:19,782 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:19,782 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,796 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,798 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,798 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-16 13:56:19,916 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:56:19,947 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:19,948 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-16 13:56:19,949 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:19,998 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-09-16 13:56:20,000 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:20,000 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-16 13:56:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:56:20,068 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:56:20,069 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:20,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:20,085 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:20,086 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-16 13:56:20,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-09-16 13:56:20,093 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:56:20,096 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:56:20,096 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:56:20,096 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-16 13:56:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 308 proven. 113 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-09-16 13:56:20,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:56:20,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 40 [2020-09-16 13:56:20,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528745719] [2020-09-16 13:56:20,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-09-16 13:56:20,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:56:20,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-09-16 13:56:20,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2020-09-16 13:56:20,131 INFO L87 Difference]: Start difference. First operand 3438 states and 6164 transitions. Second operand 40 states. [2020-09-16 13:56:38,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:56:38,705 INFO L93 Difference]: Finished difference Result 4130 states and 7363 transitions. [2020-09-16 13:56:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2020-09-16 13:56:38,706 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 128 [2020-09-16 13:56:38,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:56:38,716 INFO L225 Difference]: With dead ends: 4130 [2020-09-16 13:56:38,716 INFO L226 Difference]: Without dead ends: 4130 [2020-09-16 13:56:38,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22616 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=5915, Invalid=48141, Unknown=0, NotChecked=0, Total=54056 [2020-09-16 13:56:38,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4130 states. [2020-09-16 13:56:38,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4130 to 2553. [2020-09-16 13:56:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2020-09-16 13:56:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 4573 transitions. [2020-09-16 13:56:38,782 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 4573 transitions. Word has length 128 [2020-09-16 13:56:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:56:38,783 INFO L479 AbstractCegarLoop]: Abstraction has 2553 states and 4573 transitions. [2020-09-16 13:56:38,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-09-16 13:56:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 4573 transitions. [2020-09-16 13:56:38,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-16 13:56:38,790 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:56:38,790 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 12, 12, 12, 12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:56:39,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:56:39,004 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:56:39,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:56:39,005 INFO L82 PathProgramCache]: Analyzing trace with hash -195679467, now seen corresponding path program 10 times [2020-09-16 13:56:39,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:56:39,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146037620] [2020-09-16 13:56:39,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:56:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:56:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:56:39,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146037620] [2020-09-16 13:56:39,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462502220] [2020-09-16 13:56:39,700 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:58:14,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 13:58:14,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:58:17,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 17 conjunts are in the unsatisfiable core [2020-09-16 13:58:17,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:58:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:58:17,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:58:17,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-09-16 13:58:17,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841981508] [2020-09-16 13:58:17,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-16 13:58:17,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:58:17,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-16 13:58:17,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-16 13:58:17,256 INFO L87 Difference]: Start difference. First operand 2553 states and 4573 transitions. Second operand 19 states. [2020-09-16 13:58:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:58:17,550 INFO L93 Difference]: Finished difference Result 2905 states and 5197 transitions. [2020-09-16 13:58:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-16 13:58:17,552 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 137 [2020-09-16 13:58:17,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:58:17,570 INFO L225 Difference]: With dead ends: 2905 [2020-09-16 13:58:17,570 INFO L226 Difference]: Without dead ends: 2905 [2020-09-16 13:58:17,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-16 13:58:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2020-09-16 13:58:17,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 2741. [2020-09-16 13:58:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2741 states. [2020-09-16 13:58:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 4906 transitions. [2020-09-16 13:58:17,626 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 4906 transitions. Word has length 137 [2020-09-16 13:58:17,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:58:17,627 INFO L479 AbstractCegarLoop]: Abstraction has 2741 states and 4906 transitions. [2020-09-16 13:58:17,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-16 13:58:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 4906 transitions. [2020-09-16 13:58:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-16 13:58:17,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:58:17,637 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:58:17,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:58:17,850 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:58:17,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:58:17,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2114616359, now seen corresponding path program 11 times [2020-09-16 13:58:17,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:58:17,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381702578] [2020-09-16 13:58:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:58:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:58:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:58:18,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381702578] [2020-09-16 13:58:18,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338537608] [2020-09-16 13:58:18,611 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:58:31,616 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2020-09-16 13:58:31,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:58:31,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 145 conjunts are in the unsatisfiable core [2020-09-16 13:58:31,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:58:31,723 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:58:31,724 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:31,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:31,739 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:31,739 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2020-09-16 13:58:31,789 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-16 13:58:31,790 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:31,801 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:31,801 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:31,802 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-16 13:58:31,879 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:31,879 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-16 13:58:31,880 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:31,946 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-16 13:58:31,947 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:31,953 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:58:31,953 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-16 13:58:32,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:32,143 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:32,149 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:32,190 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:32,191 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:32,192 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:32,235 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:32,235 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-09-16 13:58:32,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:32,238 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:32,430 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-16 13:58:32,432 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-16 13:58:32,435 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:58:32,436 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-16 13:58:32,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:32,574 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:58:32,574 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:32,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:32,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:32,594 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:32,659 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:32,661 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:58:32,661 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:58:32,802 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-16 13:58:32,802 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:32,818 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:58:32,819 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:32,863 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:32,870 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-09-16 13:58:32,872 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:32,915 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:32,917 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:58:32,917 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-09-16 13:58:33,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:33,022 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-16 13:58:33,022 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:33,144 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:33,144 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-16 13:58:33,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:33,147 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:33,295 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-09-16 13:58:33,296 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-09-16 13:58:33,298 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:33,301 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:58:33,301 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-09-16 13:58:33,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:33,509 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:33,510 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-09-16 13:58:33,511 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:33,514 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:33,524 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:33,562 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:33,563 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:33,564 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:58:33,565 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:33,859 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-09-16 13:58:33,860 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-09-16 13:58:33,864 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:58:33,864 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-16 13:58:33,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:33,994 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-09-16 13:58:33,995 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:34,052 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:34,052 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 50 [2020-09-16 13:58:34,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:34,055 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:34,185 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 13:58:34,186 INFO L625 ElimStorePlain]: treesize reduction 30, result has 67.4 percent of original size [2020-09-16 13:58:34,187 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-09-16 13:58:34,187 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:70, output treesize:62 [2020-09-16 13:58:34,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:58:34,399 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:34,399 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 52 [2020-09-16 13:58:34,400 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:34,508 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:34,509 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 78 [2020-09-16 13:58:34,510 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:34,833 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2020-09-16 13:58:34,834 INFO L625 ElimStorePlain]: treesize reduction 60, result has 63.4 percent of original size [2020-09-16 13:58:34,840 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:58:34,840 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:92, output treesize:48 [2020-09-16 13:58:35,039 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-16 13:58:35,041 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,063 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:35,063 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,063 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-16 13:58:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:35,172 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:35,173 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,202 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:35,203 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,203 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:58:35,415 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:35,443 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:35,443 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:35,444 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,534 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-16 13:58:35,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,537 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:58:35,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:35,668 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:35,668 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,705 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:35,707 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,708 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:58:35,848 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:58:35,849 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,875 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:35,876 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:35,877 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:58:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:35,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:35,981 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:36,014 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,014 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:58:36,305 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:36,335 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:36,336 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:36,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:58:36,338 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,438 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:58:36,444 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,444 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:58:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:36,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:36,593 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,633 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:36,634 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,635 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:58:36,832 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:58:36,833 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:36,869 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:36,870 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:58:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:37,036 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:37,038 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,081 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:37,082 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,083 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:58:37,398 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:37,428 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:37,428 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:37,429 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:58:37,430 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,534 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-09-16 13:58:37,536 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:58:37,539 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,539 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:58:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:37,684 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:37,684 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,720 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:37,723 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,723 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:58:37,890 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:58:37,891 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,919 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:37,920 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:37,920 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:58:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:38,055 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:38,055 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,092 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:38,093 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,093 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:58:38,397 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:38,433 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:38,434 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:38,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:58:38,435 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,538 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-09-16 13:58:38,539 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:58:38,541 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,542 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:58:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:38,694 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:38,694 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,729 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:38,731 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,731 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:58:38,906 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:58:38,907 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,933 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:38,934 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:38,934 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:58:39,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:39,067 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:39,067 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,099 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:39,100 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,101 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:58:39,395 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:58:39,424 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:39,425 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:39,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:58:39,427 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,522 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:58:39,524 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,524 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:58:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:39,686 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:39,687 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,736 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:39,737 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,737 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:58:39,917 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-16 13:58:39,918 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,939 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:39,940 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:39,940 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:58:40,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:58:40,066 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2020-09-16 13:58:40,067 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:40,081 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:40,084 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:40,084 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-16 13:58:40,306 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:40,307 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-09-16 13:58:40,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:58:40,308 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:40,362 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-16 13:58:40,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:40,365 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-16 13:58:40,497 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:58:40,498 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-09-16 13:58:40,498 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:58:40,511 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:58:40,513 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:58:40,513 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-16 13:58:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 584 proven. 128 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-09-16 13:58:40,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:58:40,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 43] total 60 [2020-09-16 13:58:40,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165947460] [2020-09-16 13:58:40,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-09-16 13:58:40,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:58:40,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-09-16 13:58:40,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=519, Invalid=3021, Unknown=0, NotChecked=0, Total=3540 [2020-09-16 13:58:40,638 INFO L87 Difference]: Start difference. First operand 2741 states and 4906 transitions. Second operand 60 states. [2020-09-16 13:58:42,588 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 17 [2020-09-16 13:58:43,435 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-09-16 13:58:43,982 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-16 13:58:44,938 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 13:58:47,109 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-09-16 13:58:47,415 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-09-16 13:58:47,691 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-09-16 13:58:48,191 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-09-16 13:58:48,595 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-16 13:58:49,171 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-09-16 13:58:50,506 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-09-16 13:58:50,859 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-09-16 13:58:51,100 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-09-16 13:58:51,780 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-09-16 13:58:53,507 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 13:58:53,721 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-16 13:58:54,044 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-09-16 13:58:58,153 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 13:59:01,477 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 13:59:01,764 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 13:59:06,188 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 13:59:06,675 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 13:59:08,515 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 13:59:08,761 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 13:59:09,072 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 13:59:15,930 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 13:59:20,018 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 13:59:20,279 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 13:59:25,238 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 13:59:25,680 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-09-16 13:59:25,960 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-09-16 13:59:26,228 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-09-16 13:59:26,452 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 34 [2020-09-16 13:59:26,821 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 13:59:32,899 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 13:59:33,440 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 13:59:33,736 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 13:59:35,209 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 13:59:35,508 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 13:59:36,025 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 13:59:36,322 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 13:59:36,632 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 13:59:36,898 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 13:59:37,268 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 13:59:38,151 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 13:59:43,013 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 13:59:48,169 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 13:59:51,353 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 13:59:51,601 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 13:59:52,421 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 13:59:52,724 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 13:59:53,442 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 13:59:53,729 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 13:59:54,047 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 13:59:54,372 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 13:59:54,639 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 13:59:55,078 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 13:59:55,986 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 13:59:58,316 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 13:59:58,671 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 13:59:59,036 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:00:02,478 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:00:03,001 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:00:03,258 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:00:03,901 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:00:05,403 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:05,679 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:05,974 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:06,275 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:07,030 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-16 14:00:07,419 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:00:07,678 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:00:10,603 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:00:10,927 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:00:11,125 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:00:12,910 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:00:13,229 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 14:00:13,531 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:00:13,910 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:14,382 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:00:14,665 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:00:16,453 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:16,803 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:17,169 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:18,154 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-16 14:00:18,566 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:00:18,858 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:00:19,778 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:00:20,182 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:00:20,432 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:00:22,256 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:00:22,608 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 14:00:23,012 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:23,328 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:00:23,730 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:24,204 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:00:24,487 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:00:26,414 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:26,815 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:28,042 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-16 14:00:28,437 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:00:28,774 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:00:29,732 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:00:30,173 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:00:30,455 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:00:31,476 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-09-16 14:00:32,619 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:00:33,033 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 14:00:33,509 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:33,986 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:34,402 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:34,725 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:00:35,212 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:00:35,497 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:00:37,327 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:39,062 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:00:39,378 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:00:40,110 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:00:40,544 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:00:40,815 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:00:43,030 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:00:43,515 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:43,983 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:44,322 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:45,064 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:45,409 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:00:45,990 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:00:46,314 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:00:47,992 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:00:49,528 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:00:50,118 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-16 14:00:50,506 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:00:51,231 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:00:51,503 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:00:52,016 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-09-16 14:00:53,151 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:00:53,497 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 14:00:54,326 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:00:54,727 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:55,195 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:55,565 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:00:56,564 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:00:57,091 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:00:57,458 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:00:58,277 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:00:58,858 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-16 14:00:59,615 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:01:00,796 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:01:01,313 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:01:01,811 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:01:03,443 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:01:03,847 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-09-16 14:01:04,578 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:01:04,975 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:01:05,381 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 14:01:05,967 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:01:07,034 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:01:08,450 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:01:09,003 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:01:09,467 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:01:09,825 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:01:11,115 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-16 14:01:11,640 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-16 14:01:12,458 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-16 14:01:13,247 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-16 14:01:13,728 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-16 14:01:15,391 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-09-16 14:01:15,775 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-16 14:01:16,204 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-16 14:01:16,658 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-16 14:01:17,271 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-16 14:01:17,772 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:01:18,391 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-16 14:01:19,692 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-16 14:01:20,266 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:01:20,766 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-16 14:01:21,249 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2020-09-16 14:01:21,991 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-09-16 14:01:22,414 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-09-16 14:01:23,142 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-09-16 14:01:23,633 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-09-16 14:01:24,694 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-09-16 14:01:25,207 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 15 [2020-09-16 14:01:25,598 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-09-16 14:01:25,989 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-16 14:01:26,406 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-09-16 14:01:26,927 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-09-16 14:01:27,551 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-09-16 14:01:34,865 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-09-16 14:01:35,391 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-09-16 14:01:47,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:01:47,750 INFO L93 Difference]: Finished difference Result 7677 states and 13595 transitions. [2020-09-16 14:01:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 527 states. [2020-09-16 14:01:47,752 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 144 [2020-09-16 14:01:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:01:47,766 INFO L225 Difference]: With dead ends: 7677 [2020-09-16 14:01:47,767 INFO L226 Difference]: Without dead ends: 7677 [2020-09-16 14:01:47,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 522 SyntacticMatches, 1 SemanticMatches, 558 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148103 ImplicationChecksByTransitivity, 109.2s TimeCoverageRelationStatistics Valid=28942, Invalid=284098, Unknown=0, NotChecked=0, Total=313040 [2020-09-16 14:01:47,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2020-09-16 14:01:47,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 4879. [2020-09-16 14:01:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4879 states. [2020-09-16 14:01:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4879 states and 8576 transitions. [2020-09-16 14:01:47,874 INFO L78 Accepts]: Start accepts. Automaton has 4879 states and 8576 transitions. Word has length 144 [2020-09-16 14:01:47,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:01:47,875 INFO L479 AbstractCegarLoop]: Abstraction has 4879 states and 8576 transitions. [2020-09-16 14:01:47,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-09-16 14:01:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 8576 transitions. [2020-09-16 14:01:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-16 14:01:47,884 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:01:47,885 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 13, 13, 13, 13, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:01:48,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:01:48,100 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:01:48,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:01:48,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2117409625, now seen corresponding path program 12 times [2020-09-16 14:01:48,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:01:48,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559742182] [2020-09-16 14:01:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:01:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:01:48,620 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-09-16 14:01:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:01:49,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559742182] [2020-09-16 14:01:49,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647453870] [2020-09-16 14:01:49,380 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true