/usr/bin/java -Xmx16000000000 -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 0.1.25-11af1e5 [2020-10-09 10:50:05,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 10:50:05,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 10:50:05,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 10:50:05,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 10:50:05,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 10:50:05,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 10:50:05,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 10:50:05,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 10:50:05,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 10:50:05,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 10:50:05,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 10:50:05,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 10:50:05,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 10:50:05,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 10:50:05,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 10:50:05,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 10:50:05,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 10:50:05,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 10:50:05,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 10:50:05,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 10:50:05,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 10:50:05,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 10:50:05,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 10:50:05,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 10:50:05,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 10:50:05,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 10:50:05,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 10:50:05,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 10:50:05,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 10:50:05,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 10:50:05,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 10:50:05,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 10:50:05,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 10:50:05,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 10:50:05,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 10:50:05,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 10:50:05,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 10:50:05,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 10:50:05,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 10:50:05,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 10:50:05,342 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 [2020-10-09 10:50:05,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 10:50:05,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 10:50:05,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 10:50:05,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 10:50:05,406 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 10:50:05,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 10:50:05,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 10:50:05,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 10:50:05,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 10:50:05,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 10:50:05,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 10:50:05,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 10:50:05,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 10:50:05,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 10:50:05,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 10:50:05,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 10:50:05,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 10:50:05,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 10:50:05,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 10:50:05,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 10:50:05,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 10:50:05,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 10:50:05,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 10:50:05,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 10:50:05,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 10:50:05,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 10:50:05,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 10:50:05,769 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 10:50:05,770 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 10:50:05,771 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2020-10-09 10:50:05,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8893668/0610927b901842d6b7036ac7261936a2/FLAGbe675847d [2020-10-09 10:50:06,432 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 10:50:06,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2020-10-09 10:50:06,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8893668/0610927b901842d6b7036ac7261936a2/FLAGbe675847d [2020-10-09 10:50:06,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8893668/0610927b901842d6b7036ac7261936a2 [2020-10-09 10:50:06,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 10:50:06,693 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 10:50:06,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 10:50:06,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 10:50:06,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 10:50:06,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 10:50:06" (1/1) ... [2020-10-09 10:50:06,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f835352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:06, skipping insertion in model container [2020-10-09 10:50:06,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 10:50:06" (1/1) ... [2020-10-09 10:50:06,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 10:50:06,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 10:50:07,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 10:50:07,341 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 10:50:07,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 10:50:07,542 INFO L208 MainTranslator]: Completed translation [2020-10-09 10:50:07,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07 WrapperNode [2020-10-09 10:50:07,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 10:50:07,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 10:50:07,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 10:50:07,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 10:50:07,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 10:50:07,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 10:50:07,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 10:50:07,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 10:50:07,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 10:50:07,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 10:50:07,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 10:50:07,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 10:50:07,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 10:50:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-09 10:50:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-09 10:50:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-09 10:50:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-09 10:50:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 10:50:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 10:50:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 10:50:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 10:50:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 10:50:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 10:50:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 10:50:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 10:50:07,755 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 10:50:08,435 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 10:50:08,436 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-09 10:50:08,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 10:50:08 BoogieIcfgContainer [2020-10-09 10:50:08,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 10:50:08,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 10:50:08,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 10:50:08,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 10:50:08,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 10:50:06" (1/3) ... [2020-10-09 10:50:08,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd4506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 10:50:08, skipping insertion in model container [2020-10-09 10:50:08,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (2/3) ... [2020-10-09 10:50:08,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd4506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 10:50:08, skipping insertion in model container [2020-10-09 10:50:08,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 10:50:08" (3/3) ... [2020-10-09 10:50:08,449 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-10-09 10:50:08,462 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 10:50:08,463 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 10:50:08,471 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-09 10:50:08,473 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 10:50:08,514 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,515 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,522 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,524 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,524 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,525 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,525 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,525 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,525 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,526 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,526 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,527 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,527 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,534 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,536 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,541 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,542 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,542 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,543 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,543 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,543 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,545 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,546 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,546 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,547 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,547 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,547 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,551 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,551 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,551 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,551 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,553 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,553 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,553 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,553 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,553 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,554 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,554 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,554 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,554 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,555 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,555 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,561 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,561 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,564 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,564 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,564 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,567 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,568 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,574 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,575 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,612 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,613 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,617 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 10:50:08,671 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 10:50:08,671 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 10:50:08,671 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 10:50:08,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 10:50:08,672 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 10:50:08,672 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 10:50:08,672 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 10:50:08,672 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 10:50:08,692 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 10:50:08,696 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-10-09 10:50:08,699 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 204 transitions, 430 flow [2020-10-09 10:50:08,702 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-09 10:50:08,801 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-09 10:50:08,802 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-09 10:50:08,815 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. [2020-10-09 10:50:08,827 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-09 10:50:12,070 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-09 10:50:12,864 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-09 10:50:13,043 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-09 10:50:13,563 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-10-09 10:50:13,748 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-09 10:50:14,605 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-10-09 10:50:15,303 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-09 10:50:15,333 INFO L132 LiptonReduction]: Checked pairs total: 22061 [2020-10-09 10:50:15,334 INFO L134 LiptonReduction]: Total number of compositions: 184 [2020-10-09 10:50:15,342 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-10-09 10:50:15,401 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-10-09 10:50:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-10-09 10:50:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-09 10:50:15,409 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:15,410 INFO L421 BasicCegarLoop]: trace histogram [1] [2020-10-09 10:50:15,410 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:15,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:15,416 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-10-09 10:50:15,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:15,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515196391] [2020-10-09 10:50:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:15,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515196391] [2020-10-09 10:50:15,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:15,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-09 10:50:15,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328401669] [2020-10-09 10:50:15,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 10:50:15,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 10:50:15,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 10:50:15,567 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-10-09 10:50:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:15,613 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-10-09 10:50:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 10:50:15,614 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-09 10:50:15,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:15,640 INFO L225 Difference]: With dead ends: 715 [2020-10-09 10:50:15,640 INFO L226 Difference]: Without dead ends: 524 [2020-10-09 10:50:15,642 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 10:50:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-09 10:50:15,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-10-09 10:50:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-09 10:50:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-10-09 10:50:15,725 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-10-09 10:50:15,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:15,725 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-10-09 10:50:15,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 10:50:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-10-09 10:50:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 10:50:15,730 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:15,730 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:15,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 10:50:15,731 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:15,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:15,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-10-09 10:50:15,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:15,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680563833] [2020-10-09 10:50:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:15,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680563833] [2020-10-09 10:50:15,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:15,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 10:50:15,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590493407] [2020-10-09 10:50:15,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 10:50:15,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:15,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 10:50:15,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:15,928 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-10-09 10:50:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:15,940 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-10-09 10:50:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 10:50:15,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-09 10:50:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:15,943 INFO L225 Difference]: With dead ends: 236 [2020-10-09 10:50:15,943 INFO L226 Difference]: Without dead ends: 212 [2020-10-09 10:50:15,944 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:15,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-09 10:50:15,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-09 10:50:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-09 10:50:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-10-09 10:50:15,955 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-10-09 10:50:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:15,956 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-10-09 10:50:15,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 10:50:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-10-09 10:50:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-09 10:50:15,958 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:15,959 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:15,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 10:50:15,959 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:15,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:15,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-10-09 10:50:15,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:15,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556355894] [2020-10-09 10:50:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556355894] [2020-10-09 10:50:16,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:16,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 10:50:16,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015814512] [2020-10-09 10:50:16,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 10:50:16,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:16,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 10:50:16,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,074 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-10-09 10:50:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:16,101 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-10-09 10:50:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 10:50:16,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-09 10:50:16,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:16,105 INFO L225 Difference]: With dead ends: 272 [2020-10-09 10:50:16,105 INFO L226 Difference]: Without dead ends: 272 [2020-10-09 10:50:16,105 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-09 10:50:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-10-09 10:50:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-09 10:50:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-10-09 10:50:16,129 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-10-09 10:50:16,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:16,132 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-10-09 10:50:16,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 10:50:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-10-09 10:50:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 10:50:16,135 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:16,139 INFO L421 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] [2020-10-09 10:50:16,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 10:50:16,139 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:16,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-10-09 10:50:16,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:16,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055987353] [2020-10-09 10:50:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055987353] [2020-10-09 10:50:16,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:16,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 10:50:16,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820703394] [2020-10-09 10:50:16,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 10:50:16,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:16,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 10:50:16,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,241 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-10-09 10:50:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:16,257 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-10-09 10:50:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 10:50:16,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-09 10:50:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:16,259 INFO L225 Difference]: With dead ends: 166 [2020-10-09 10:50:16,259 INFO L226 Difference]: Without dead ends: 164 [2020-10-09 10:50:16,259 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-09 10:50:16,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-10-09 10:50:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-09 10:50:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-10-09 10:50:16,265 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-10-09 10:50:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:16,265 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-10-09 10:50:16,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 10:50:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-10-09 10:50:16,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-09 10:50:16,267 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:16,267 INFO L421 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] [2020-10-09 10:50:16,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 10:50:16,268 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:16,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-10-09 10:50:16,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:16,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379766093] [2020-10-09 10:50:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379766093] [2020-10-09 10:50:16,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500198007] [2020-10-09 10:50:16,355 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 [2020-10-09 10:50:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-09 10:50:16,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:16,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-09 10:50:16,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281977383] [2020-10-09 10:50:16,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 10:50:16,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:16,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 10:50:16,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 10:50:16,486 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 4 states. [2020-10-09 10:50:16,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:16,532 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-10-09 10:50:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 10:50:16,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-09 10:50:16,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:16,536 INFO L225 Difference]: With dead ends: 240 [2020-10-09 10:50:16,536 INFO L226 Difference]: Without dead ends: 240 [2020-10-09 10:50:16,537 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 10:50:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-09 10:50:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-10-09 10:50:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-09 10:50:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-10-09 10:50:16,544 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-10-09 10:50:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:16,545 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-10-09 10:50:16,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 10:50:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-10-09 10:50:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-09 10:50:16,546 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:16,547 INFO L421 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] [2020-10-09 10:50:16,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:16,762 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:16,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:16,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-10-09 10:50:16,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:16,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755574930] [2020-10-09 10:50:16,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755574930] [2020-10-09 10:50:16,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234279363] [2020-10-09 10:50:16,891 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 [2020-10-09 10:50:17,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-09 10:50:17,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:17,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-09 10:50:17,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:17,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:17,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-10-09 10:50:17,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297476380] [2020-10-09 10:50:17,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 10:50:17,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:17,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 10:50:17,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-09 10:50:17,054 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 5 states. [2020-10-09 10:50:17,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:17,090 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-10-09 10:50:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 10:50:17,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-09 10:50:17,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:17,093 INFO L225 Difference]: With dead ends: 280 [2020-10-09 10:50:17,093 INFO L226 Difference]: Without dead ends: 280 [2020-10-09 10:50:17,093 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-09 10:50:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-09 10:50:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-09 10:50:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-09 10:50:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-10-09 10:50:17,101 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-10-09 10:50:17,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:17,101 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-10-09 10:50:17,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 10:50:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-10-09 10:50:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-09 10:50:17,103 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:17,103 INFO L421 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] [2020-10-09 10:50:17,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:17,317 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:17,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:17,317 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-10-09 10:50:17,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:17,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310126349] [2020-10-09 10:50:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:17,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310126349] [2020-10-09 10:50:17,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518923912] [2020-10-09 10:50:17,396 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 [2020-10-09 10:50:17,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-09 10:50:17,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:17,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 10:50:17,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:17,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:17,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-09 10:50:17,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632603392] [2020-10-09 10:50:17,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-09 10:50:17,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:17,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-09 10:50:17,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-09 10:50:17,879 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 6 states. [2020-10-09 10:50:17,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:17,939 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-10-09 10:50:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 10:50:17,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-09 10:50:17,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:17,942 INFO L225 Difference]: With dead ends: 320 [2020-10-09 10:50:17,942 INFO L226 Difference]: Without dead ends: 320 [2020-10-09 10:50:17,942 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-09 10:50:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-09 10:50:17,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-10-09 10:50:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-09 10:50:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-10-09 10:50:17,951 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-10-09 10:50:17,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:17,952 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-10-09 10:50:17,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-09 10:50:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-10-09 10:50:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-09 10:50:17,953 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:17,953 INFO L421 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] [2020-10-09 10:50:18,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:18,168 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:18,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-10-09 10:50:18,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:18,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125484475] [2020-10-09 10:50:18,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:18,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125484475] [2020-10-09 10:50:18,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065562153] [2020-10-09 10:50:18,255 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 [2020-10-09 10:50:18,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-09 10:50:18,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:18,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-09 10:50:18,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:18,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:18,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-09 10:50:18,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480901988] [2020-10-09 10:50:18,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 10:50:18,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:18,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 10:50:18,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-09 10:50:18,409 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 7 states. [2020-10-09 10:50:18,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:18,474 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-10-09 10:50:18,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 10:50:18,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-10-09 10:50:18,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:18,479 INFO L225 Difference]: With dead ends: 360 [2020-10-09 10:50:18,480 INFO L226 Difference]: Without dead ends: 360 [2020-10-09 10:50:18,480 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-09 10:50:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-09 10:50:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-10-09 10:50:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-09 10:50:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-10-09 10:50:18,497 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-10-09 10:50:18,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:18,497 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-10-09 10:50:18,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 10:50:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-10-09 10:50:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-09 10:50:18,500 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:18,501 INFO L421 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] [2020-10-09 10:50:18,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:18,715 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:18,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:18,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-10-09 10:50:18,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:18,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021354579] [2020-10-09 10:50:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:18,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021354579] [2020-10-09 10:50:18,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474666657] [2020-10-09 10:50:18,859 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 [2020-10-09 10:50:19,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-09 10:50:19,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:19,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-10-09 10:50:19,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:19,186 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 [2020-10-09 10:50:19,186 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,189 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,190 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-09 10:50:19,237 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,237 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 [2020-10-09 10:50:19,238 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,269 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-09 10:50:19,273 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:19,279 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:19,280 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-09 10:50:19,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:19,379 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:19,381 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:19,408 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,409 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 [2020-10-09 10:50:19,410 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,430 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,431 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 [2020-10-09 10:50:19,434 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:19,436 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,526 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-09 10:50:19,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:19,537 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:50:19,577 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:19,592 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 [2020-10-09 10:50:19,594 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,603 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 [2020-10-09 10:50:19,603 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,639 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,640 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:19,641 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:50:19,728 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 [2020-10-09 10:50:19,730 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,739 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,740 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,740 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-09 10:50:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:19,802 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 30 treesize of output 29 [2020-10-09 10:50:19,803 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,810 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,812 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,812 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-09 10:50:19,848 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,848 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 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-09 10:50:19,849 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,865 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-09 10:50:19,867 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,867 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-09 10:50:19,893 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-09 10:50:19,894 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 [2020-10-09 10:50:19,894 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,899 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:19,900 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:19,900 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-09 10:50:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-09 10:50:19,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:19,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-09 10:50:19,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105834776] [2020-10-09 10:50:19,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-09 10:50:19,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:19,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-09 10:50:19,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-09 10:50:19,914 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-10-09 10:50:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:23,018 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-10-09 10:50:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-09 10:50:23,018 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-10-09 10:50:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:23,024 INFO L225 Difference]: With dead ends: 990 [2020-10-09 10:50:23,024 INFO L226 Difference]: Without dead ends: 990 [2020-10-09 10:50:23,025 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-10-09 10:50:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-09 10:50:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-10-09 10:50:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-09 10:50:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-10-09 10:50:23,045 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-10-09 10:50:23,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:23,045 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-10-09 10:50:23,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-09 10:50:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-10-09 10:50:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-09 10:50:23,047 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:23,048 INFO L421 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] [2020-10-09 10:50:23,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:23,260 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:23,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:23,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-10-09 10:50:23,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:23,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657123853] [2020-10-09 10:50:23,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:23,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657123853] [2020-10-09 10:50:23,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219110721] [2020-10-09 10:50:23,409 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 [2020-10-09 10:50:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:23,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-09 10:50:23,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:23,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:23,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2020-10-09 10:50:23,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58118188] [2020-10-09 10:50:23,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 10:50:23,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:23,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 10:50:23,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-09 10:50:23,614 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 9 states. [2020-10-09 10:50:23,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:23,685 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-10-09 10:50:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 10:50:23,686 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-09 10:50:23,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:23,742 INFO L225 Difference]: With dead ends: 828 [2020-10-09 10:50:23,743 INFO L226 Difference]: Without dead ends: 828 [2020-10-09 10:50:23,743 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-09 10:50:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-09 10:50:23,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-10-09 10:50:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-09 10:50:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-10-09 10:50:23,763 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-10-09 10:50:23,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:23,764 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-10-09 10:50:23,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 10:50:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-10-09 10:50:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-09 10:50:23,766 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:23,766 INFO L421 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] [2020-10-09 10:50:23,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:23,979 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:23,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-10-09 10:50:23,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:23,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379676237] [2020-10-09 10:50:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:24,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379676237] [2020-10-09 10:50:24,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760586712] [2020-10-09 10:50:24,124 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 [2020-10-09 10:50:24,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-09 10:50:24,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:24,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-09 10:50:24,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:24,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:24,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-09 10:50:24,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385865658] [2020-10-09 10:50:24,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-09 10:50:24,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:24,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-09 10:50:24,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-09 10:50:24,357 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 10 states. [2020-10-09 10:50:24,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:24,425 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-10-09 10:50:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-09 10:50:24,426 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-10-09 10:50:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:24,431 INFO L225 Difference]: With dead ends: 928 [2020-10-09 10:50:24,431 INFO L226 Difference]: Without dead ends: 928 [2020-10-09 10:50:24,432 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-09 10:50:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-09 10:50:24,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-10-09 10:50:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-10-09 10:50:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-10-09 10:50:24,451 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-10-09 10:50:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:24,451 INFO L481 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-10-09 10:50:24,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-09 10:50:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-10-09 10:50:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-09 10:50:24,454 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:24,454 INFO L421 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] [2020-10-09 10:50:24,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:24,668 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-10-09 10:50:24,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:24,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255469318] [2020-10-09 10:50:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:24,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255469318] [2020-10-09 10:50:24,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194833739] [2020-10-09 10:50:24,803 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 [2020-10-09 10:50:26,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-10-09 10:50:26,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:26,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 63 conjunts are in the unsatisfiable core [2020-10-09 10:50:26,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:26,064 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 [2020-10-09 10:50:26,066 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,104 INFO L625 ElimStorePlain]: treesize reduction 65, result has 23.5 percent of original size [2020-10-09 10:50:26,107 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,108 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:24, output treesize:8 [2020-10-09 10:50:26,161 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 [2020-10-09 10:50:26,161 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,167 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,167 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,168 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2020-10-09 10:50:26,195 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 [2020-10-09 10:50:26,196 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,205 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,205 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2020-10-09 10:50:26,241 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:26,256 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,258 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-10-09 10:50:26,259 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,291 INFO L625 ElimStorePlain]: treesize reduction 30, result has 55.2 percent of original size [2020-10-09 10:50:26,294 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,295 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:23 [2020-10-09 10:50:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:26,325 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 [2020-10-09 10:50:26,326 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,342 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,342 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2020-10-09 10:50:26,391 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 [2020-10-09 10:50:26,392 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,397 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,398 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,398 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:17 [2020-10-09 10:50:26,425 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 [2020-10-09 10:50:26,426 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,437 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,438 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:13 [2020-10-09 10:50:26,489 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:26,501 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,502 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-09 10:50:26,502 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,522 INFO L625 ElimStorePlain]: treesize reduction 26, result has 51.9 percent of original size [2020-10-09 10:50:26,523 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,523 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:19 [2020-10-09 10:50:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:26,549 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 [2020-10-09 10:50:26,549 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,560 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,562 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,562 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:19 [2020-10-09 10:50:26,570 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 [2020-10-09 10:50:26,571 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:26,573 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:26,573 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:1 [2020-10-09 10:50:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-09 10:50:26,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:26,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-10-09 10:50:26,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656243149] [2020-10-09 10:50:26,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-09 10:50:26,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:26,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-09 10:50:26,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2020-10-09 10:50:26,592 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-10-09 10:50:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:29,116 INFO L93 Difference]: Finished difference Result 1276 states and 2352 transitions. [2020-10-09 10:50:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-09 10:50:29,116 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-10-09 10:50:29,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:29,123 INFO L225 Difference]: With dead ends: 1276 [2020-10-09 10:50:29,124 INFO L226 Difference]: Without dead ends: 1276 [2020-10-09 10:50:29,125 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1747 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1143, Invalid=4113, Unknown=0, NotChecked=0, Total=5256 [2020-10-09 10:50:29,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-10-09 10:50:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 888. [2020-10-09 10:50:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-10-09 10:50:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1638 transitions. [2020-10-09 10:50:29,150 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1638 transitions. Word has length 79 [2020-10-09 10:50:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:29,150 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1638 transitions. [2020-10-09 10:50:29,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-09 10:50:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1638 transitions. [2020-10-09 10:50:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-09 10:50:29,153 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:29,154 INFO L421 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] [2020-10-09 10:50:29,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-09 10:50:29,367 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:29,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1962857127, now seen corresponding path program 4 times [2020-10-09 10:50:29,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:29,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535653371] [2020-10-09 10:50:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:29,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535653371] [2020-10-09 10:50:29,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112462512] [2020-10-09 10:50:29,555 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 [2020-10-09 10:50:31,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-09 10:50:31,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:31,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-09 10:50:31,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:31,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:31,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2020-10-09 10:50:31,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644025659] [2020-10-09 10:50:31,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 10:50:31,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:31,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 10:50:31,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-09 10:50:31,056 INFO L87 Difference]: Start difference. First operand 888 states and 1638 transitions. Second operand 12 states. [2020-10-09 10:50:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:31,141 INFO L93 Difference]: Finished difference Result 1060 states and 1947 transitions. [2020-10-09 10:50:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-09 10:50:31,141 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-10-09 10:50:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:31,147 INFO L225 Difference]: With dead ends: 1060 [2020-10-09 10:50:31,148 INFO L226 Difference]: Without dead ends: 1060 [2020-10-09 10:50:31,148 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-09 10:50:31,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-10-09 10:50:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 980. [2020-10-09 10:50:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-09 10:50:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1803 transitions. [2020-10-09 10:50:31,171 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1803 transitions. Word has length 88 [2020-10-09 10:50:31,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:31,171 INFO L481 AbstractCegarLoop]: Abstraction has 980 states and 1803 transitions. [2020-10-09 10:50:31,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 10:50:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1803 transitions. [2020-10-09 10:50:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-09 10:50:31,174 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:31,175 INFO L421 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] [2020-10-09 10:50:31,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:50:31,389 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:31,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1574165281, now seen corresponding path program 5 times [2020-10-09 10:50:31,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:31,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379255847] [2020-10-09 10:50:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:31,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379255847] [2020-10-09 10:50:31,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606457983] [2020-10-09 10:50:31,584 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 [2020-10-09 10:50:36,896 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-10-09 10:50:36,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:50:36,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 141 conjunts are in the unsatisfiable core [2020-10-09 10:50:36,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:50:36,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 10:50:36,982 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:36,983 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:36,984 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:36,984 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-10-09 10:50:37,024 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,025 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 [2020-10-09 10:50:37,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,034 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,067 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-10-09 10:50:37,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,072 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,072 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-10-09 10:50:37,147 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,159 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:37,162 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:37,178 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,179 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 [2020-10-09 10:50:37,181 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 10:50:37,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 10:50:37,184 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:37,185 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,210 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,211 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 [2020-10-09 10:50:37,214 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-09 10:50:37,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:37,215 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,297 INFO L625 ElimStorePlain]: treesize reduction 141, result has 34.7 percent of original size [2020-10-09 10:50:37,301 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,301 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-10-09 10:50:37,350 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:37,365 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 [2020-10-09 10:50:37,365 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,372 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 [2020-10-09 10:50:37,373 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,405 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,406 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,406 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-10-09 10:50:37,460 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 [2020-10-09 10:50:37,461 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,463 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,464 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,464 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-09 10:50:37,509 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,509 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 [2020-10-09 10:50:37,510 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,541 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-09 10:50:37,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,544 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,544 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-09 10:50:37,640 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,656 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:37,658 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:37,677 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,677 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 [2020-10-09 10:50:37,678 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,704 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,705 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 10:50:37,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,712 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,800 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-09 10:50:37,803 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,803 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:50:37,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:37,872 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 [2020-10-09 10:50:37,872 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:37,880 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 [2020-10-09 10:50:37,881 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:37,908 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:37,910 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:37,910 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:50:37,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-09 10:50:37,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,006 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 [2020-10-09 10:50:38,007 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,027 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,032 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 [2020-10-09 10:50:38,033 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,050 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,051 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:38,051 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-09 10:50:38,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,124 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,125 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 [2020-10-09 10:50:38,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,127 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,134 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 [2020-10-09 10:50:38,134 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,210 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-09 10:50:38,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,216 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-09 10:50:38,217 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-09 10:50:38,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,340 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,340 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 [2020-10-09 10:50:38,342 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,344 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,348 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:38,365 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,366 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 [2020-10-09 10:50:38,367 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:38,368 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,507 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-09 10:50:38,508 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-09 10:50:38,511 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:38,512 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:50:38,571 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,579 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 [2020-10-09 10:50:38,580 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:38,589 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 [2020-10-09 10:50:38,590 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,622 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:38,622 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:50:38,773 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-09 10:50:38,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:38,785 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 [2020-10-09 10:50:38,786 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,823 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-10-09 10:50:38,827 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 [2020-10-09 10:50:38,828 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,842 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,843 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:38,843 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-10-09 10:50:38,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,929 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:38,930 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 [2020-10-09 10:50:38,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:38,935 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:38,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:38,944 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 [2020-10-09 10:50:38,945 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,022 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-10-09 10:50:39,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:39,029 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-09 10:50:39,029 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-10-09 10:50:39,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:39,188 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,188 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 [2020-10-09 10:50:39,189 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-09 10:50:39,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:39,190 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 10:50:39,194 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:39,210 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,210 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 [2020-10-09 10:50:39,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 10:50:39,213 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-09 10:50:39,295 INFO L625 ElimStorePlain]: treesize reduction 120, result has 43.4 percent of original size [2020-10-09 10:50:39,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:39,299 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-09 10:50:39,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:50:39,374 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 [2020-10-09 10:50:39,375 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:39,382 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 [2020-10-09 10:50:39,383 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,409 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:50:39,409 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:50:39,511 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 [2020-10-09 10:50:39,515 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,522 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,523 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,523 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-09 10:50:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:39,576 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 [2020-10-09 10:50:39,577 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,590 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,592 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,592 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-09 10:50:39,720 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:39,731 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,731 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 [2020-10-09 10:50:39,732 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,773 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-09 10:50:39,775 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,775 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-09 10:50:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:39,847 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 [2020-10-09 10:50:39,848 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,866 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,867 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,867 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-09 10:50:39,953 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 [2020-10-09 10:50:39,954 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,964 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:39,965 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:39,965 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-09 10:50:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:40,019 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 [2020-10-09 10:50:40,019 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,036 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,038 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,039 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-09 10:50:40,196 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:50:40,207 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,208 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 [2020-10-09 10:50:40,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:40,210 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,257 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-09 10:50:40,260 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,260 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-09 10:50:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:40,354 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 [2020-10-09 10:50:40,354 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,369 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,369 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-09 10:50:40,453 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 [2020-10-09 10:50:40,454 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,464 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,465 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,465 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-09 10:50:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:50:40,539 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 [2020-10-09 10:50:40,540 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,550 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-10-09 10:50:40,650 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,650 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 [2020-10-09 10:50:40,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:50:40,653 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,677 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-09 10:50:40,678 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,679 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-09 10:50:40,734 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-09 10:50:40,735 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 [2020-10-09 10:50:40,735 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:50:40,743 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:50:40,744 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-09 10:50:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 214 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-09 10:50:40,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:50:40,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 39] total 50 [2020-10-09 10:50:40,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247676920] [2020-10-09 10:50:40,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-09 10:50:40,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:40,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-09 10:50:40,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=430, Invalid=2020, Unknown=0, NotChecked=0, Total=2450 [2020-10-09 10:50:40,831 INFO L87 Difference]: Start difference. First operand 980 states and 1803 transitions. Second operand 50 states. [2020-10-09 10:50:48,366 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-10-09 10:50:51,990 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-10-09 10:50:56,367 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-10-09 10:50:57,640 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-10-09 10:51:01,518 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-10-09 10:51:01,703 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-10-09 10:51:02,627 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-10-09 10:51:06,931 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-10-09 10:51:07,132 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-10-09 10:51:07,945 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-10-09 10:51:08,483 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-10-09 10:51:09,050 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-10-09 10:51:09,834 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-09 10:51:12,181 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-10-09 10:51:12,909 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-10-09 10:51:13,707 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-10-09 10:51:14,801 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-10-09 10:51:18,681 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-10-09 10:51:19,014 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-10-09 10:51:19,253 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-09 10:51:19,494 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-10-09 10:51:20,975 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-10-09 10:51:21,810 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-09 10:51:23,061 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-10-09 10:51:23,804 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-10-09 10:51:24,588 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-09 10:51:24,765 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:51:25,004 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-10-09 10:51:25,236 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2020-10-09 10:51:25,431 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-10-09 10:51:26,889 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-10-09 10:51:27,198 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-09 10:51:30,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:30,487 INFO L93 Difference]: Finished difference Result 4407 states and 7984 transitions. [2020-10-09 10:51:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2020-10-09 10:51:30,489 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 96 [2020-10-09 10:51:30,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:30,506 INFO L225 Difference]: With dead ends: 4407 [2020-10-09 10:51:30,506 INFO L226 Difference]: Without dead ends: 4407 [2020-10-09 10:51:30,526 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87028 ImplicationChecksByTransitivity, 41.5s TimeCoverageRelationStatistics Valid=23886, Invalid=156314, Unknown=0, NotChecked=0, Total=180200 [2020-10-09 10:51:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2020-10-09 10:51:30,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2562. [2020-10-09 10:51:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2020-10-09 10:51:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 4625 transitions. [2020-10-09 10:51:30,602 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 4625 transitions. Word has length 96 [2020-10-09 10:51:30,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:30,603 INFO L481 AbstractCegarLoop]: Abstraction has 2562 states and 4625 transitions. [2020-10-09 10:51:30,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-09 10:51:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 4625 transitions. [2020-10-09 10:51:30,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-09 10:51:30,610 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:30,610 INFO L421 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] [2020-10-09 10:51:30,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:51:30,823 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:30,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:30,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1634230719, now seen corresponding path program 6 times [2020-10-09 10:51:30,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:30,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739419922] [2020-10-09 10:51:30,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:31,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739419922] [2020-10-09 10:51:31,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038748622] [2020-10-09 10:51:31,080 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 [2020-10-09 10:51:45,774 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-10-09 10:51:45,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:51:45,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 72 conjunts are in the unsatisfiable core [2020-10-09 10:51:45,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:51:45,879 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 [2020-10-09 10:51:45,881 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 10:51:45,921 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-09 10:51:45,924 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:45,924 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-09 10:51:45,977 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 [2020-10-09 10:51:45,977 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:45,984 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:45,985 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:45,985 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-09 10:51:46,012 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 [2020-10-09 10:51:46,013 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,020 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,023 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,023 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 10:51:46,078 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:51:46,098 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,099 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 [2020-10-09 10:51:46,100 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,136 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-10-09 10:51:46,138 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-09 10:51:46,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:51:46,176 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 [2020-10-09 10:51:46,177 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,194 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,196 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,196 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 10:51:46,277 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 34 treesize of output 18 [2020-10-09 10:51:46,278 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,286 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,287 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,287 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-09 10:51:46,324 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 [2020-10-09 10:51:46,325 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,341 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,342 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,343 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 10:51:46,400 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:51:46,424 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,425 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-10-09 10:51:46,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:51:46,426 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,480 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-09 10:51:46,489 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,489 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 10:51:46,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:51:46,536 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 [2020-10-09 10:51:46,536 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,551 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,552 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,553 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 10:51:46,610 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 34 treesize of output 18 [2020-10-09 10:51:46,610 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,621 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,621 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-09 10:51:46,657 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 [2020-10-09 10:51:46,657 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,672 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-09 10:51:46,804 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:51:46,828 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,828 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 [2020-10-09 10:51:46,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:51:46,830 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,877 INFO L625 ElimStorePlain]: treesize reduction 35, result has 50.7 percent of original size [2020-10-09 10:51:46,879 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,879 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-09 10:51:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:51:46,927 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 [2020-10-09 10:51:46,928 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,943 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,945 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,945 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-09 10:51:46,950 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 [2020-10-09 10:51:46,951 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,953 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:51:46,954 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:51:46,954 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-09 10:51:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 227 proven. 28 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-09 10:51:46,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:51:46,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2020-10-09 10:51:46,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258505808] [2020-10-09 10:51:46,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-09 10:51:46,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:46,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-09 10:51:46,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-09 10:51:46,977 INFO L87 Difference]: Start difference. First operand 2562 states and 4625 transitions. Second operand 28 states. [2020-10-09 10:51:53,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:53,829 INFO L93 Difference]: Finished difference Result 2704 states and 4816 transitions. [2020-10-09 10:51:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-10-09 10:51:53,830 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2020-10-09 10:51:53,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:53,839 INFO L225 Difference]: With dead ends: 2704 [2020-10-09 10:51:53,839 INFO L226 Difference]: Without dead ends: 2704 [2020-10-09 10:51:53,841 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7172 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=4267, Invalid=13289, Unknown=0, NotChecked=0, Total=17556 [2020-10-09 10:51:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2020-10-09 10:51:53,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 1458. [2020-10-09 10:51:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-10-09 10:51:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2635 transitions. [2020-10-09 10:51:53,876 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2635 transitions. Word has length 104 [2020-10-09 10:51:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:53,876 INFO L481 AbstractCegarLoop]: Abstraction has 1458 states and 2635 transitions. [2020-10-09 10:51:53,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-09 10:51:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2635 transitions. [2020-10-09 10:51:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-09 10:51:53,880 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:53,881 INFO L421 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 9, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:54,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-09 10:51:54,095 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:54,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1180971947, now seen corresponding path program 7 times [2020-10-09 10:51:54,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:54,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380596417] [2020-10-09 10:51:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:54,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380596417] [2020-10-09 10:51:54,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962482418] [2020-10-09 10:51:54,377 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 [2020-10-09 10:51:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:54,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-09 10:51:54,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:51:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:54,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:51:54,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2020-10-09 10:51:54,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415244251] [2020-10-09 10:51:54,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-09 10:51:54,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:54,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-09 10:51:54,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-10-09 10:51:54,555 INFO L87 Difference]: Start difference. First operand 1458 states and 2635 transitions. Second operand 15 states. [2020-10-09 10:51:54,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:54,720 INFO L93 Difference]: Finished difference Result 1690 states and 3049 transitions. [2020-10-09 10:51:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-09 10:51:54,721 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2020-10-09 10:51:54,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:54,730 INFO L225 Difference]: With dead ends: 1690 [2020-10-09 10:51:54,730 INFO L226 Difference]: Without dead ends: 1690 [2020-10-09 10:51:54,731 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-10-09 10:51:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-09 10:51:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1582. [2020-10-09 10:51:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-10-09 10:51:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2856 transitions. [2020-10-09 10:51:54,758 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2856 transitions. Word has length 113 [2020-10-09 10:51:54,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:54,759 INFO L481 AbstractCegarLoop]: Abstraction has 1582 states and 2856 transitions. [2020-10-09 10:51:54,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-09 10:51:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2856 transitions. [2020-10-09 10:51:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-09 10:51:54,763 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:54,763 INFO L421 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] [2020-10-09 10:51:54,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-09 10:51:54,977 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:54,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:54,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2141456319, now seen corresponding path program 8 times [2020-10-09 10:51:54,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:54,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13261903] [2020-10-09 10:51:54,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:55,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13261903] [2020-10-09 10:51:55,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833864830] [2020-10-09 10:51:55,329 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 [2020-10-09 10:51:55,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-09 10:51:55,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:51:55,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-09 10:51:55,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:51:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:55,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:51:55,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 16 [2020-10-09 10:51:55,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291580017] [2020-10-09 10:51:55,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-09 10:51:55,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:55,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-09 10:51:55,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-09 10:51:55,722 INFO L87 Difference]: Start difference. First operand 1582 states and 2856 transitions. Second operand 16 states. [2020-10-09 10:51:55,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:55,953 INFO L93 Difference]: Finished difference Result 1814 states and 3270 transitions. [2020-10-09 10:51:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-09 10:51:55,955 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 120 [2020-10-09 10:51:55,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:55,966 INFO L225 Difference]: With dead ends: 1814 [2020-10-09 10:51:55,967 INFO L226 Difference]: Without dead ends: 1814 [2020-10-09 10:51:55,968 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-09 10:51:55,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-10-09 10:51:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1706. [2020-10-09 10:51:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-09 10:51:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 3077 transitions. [2020-10-09 10:51:56,010 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 3077 transitions. Word has length 120 [2020-10-09 10:51:56,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:56,011 INFO L481 AbstractCegarLoop]: Abstraction has 1706 states and 3077 transitions. [2020-10-09 10:51:56,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-09 10:51:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 3077 transitions. [2020-10-09 10:51:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-09 10:51:56,018 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:56,019 INFO L421 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] [2020-10-09 10:51:56,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-09 10:51:56,234 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:56,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:56,235 INFO L82 PathProgramCache]: Analyzing trace with hash 702742271, now seen corresponding path program 9 times [2020-10-09 10:51:56,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:56,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73424705] [2020-10-09 10:51:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:56,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73424705] [2020-10-09 10:51:56,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089127727] [2020-10-09 10:51:56,801 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 [2020-10-09 10:52:00,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-10-09 10:52:00,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:52:00,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 72 conjunts are in the unsatisfiable core [2020-10-09 10:52:00,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:52:00,391 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:00,391 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 111 treesize of output 115 [2020-10-09 10:52:00,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:52:00,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:52:00,396 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:52:00,397 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:52:00,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:52:00,401 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 10:52:00,511 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2020-10-09 10:52:00,511 INFO L625 ElimStorePlain]: treesize reduction 117, result has 25.9 percent of original size [2020-10-09 10:52:00,515 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,516 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:13 [2020-10-09 10:52:00,606 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 [2020-10-09 10:52:00,607 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,625 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:00,626 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,626 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-10-09 10:52:00,682 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 [2020-10-09 10:52:00,683 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,699 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:00,701 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,701 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-10-09 10:52:00,785 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:52:00,815 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:00,816 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 [2020-10-09 10:52:00,816 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,901 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-10-09 10:52:00,903 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,904 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-10-09 10:52:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:52:00,970 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 [2020-10-09 10:52:00,971 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,993 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:00,995 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:00,995 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-10-09 10:52:01,066 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 10:52:01,067 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,083 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,084 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-10-09 10:52:01,129 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 [2020-10-09 10:52:01,130 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,146 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,147 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-10-09 10:52:01,214 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:52:01,239 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,239 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 [2020-10-09 10:52:01,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:52:01,241 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,315 INFO L625 ElimStorePlain]: treesize reduction 35, result has 57.8 percent of original size [2020-10-09 10:52:01,317 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,318 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-10-09 10:52:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:52:01,378 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 [2020-10-09 10:52:01,379 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,400 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,401 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-10-09 10:52:01,502 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 31 treesize of output 15 [2020-10-09 10:52:01,503 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,517 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,518 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,518 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:22 [2020-10-09 10:52:01,571 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 [2020-10-09 10:52:01,572 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,587 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,589 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,589 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:14 [2020-10-09 10:52:01,684 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:52:01,686 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 0 case distinctions, treesize of input 30 treesize of output 23 [2020-10-09 10:52:01,686 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,703 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,704 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. [2020-10-09 10:52:01,704 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:36 [2020-10-09 10:52:01,799 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,799 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 59 [2020-10-09 10:52:01,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 10:52:01,802 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,872 INFO L625 ElimStorePlain]: treesize reduction 93, result has 32.1 percent of original size [2020-10-09 10:52:01,874 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. [2020-10-09 10:52:01,874 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:27 [2020-10-09 10:52:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:52:01,956 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-10-09 10:52:01,957 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,979 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,981 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. [2020-10-09 10:52:01,982 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:27 [2020-10-09 10:52:01,991 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-10-09 10:52:01,993 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:52:01,996 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:52:01,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:1 [2020-10-09 10:52:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 222 proven. 73 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-10-09 10:52:02,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:52:02,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 32 [2020-10-09 10:52:02,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290159899] [2020-10-09 10:52:02,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-09 10:52:02,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:52:02,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-09 10:52:02,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-09 10:52:02,063 INFO L87 Difference]: Start difference. First operand 1706 states and 3077 transitions. Second operand 32 states. [2020-10-09 10:52:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:52:24,143 INFO L93 Difference]: Finished difference Result 3757 states and 6689 transitions. [2020-10-09 10:52:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2020-10-09 10:52:24,144 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 128 [2020-10-09 10:52:24,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:52:24,159 INFO L225 Difference]: With dead ends: 3757 [2020-10-09 10:52:24,160 INFO L226 Difference]: Without dead ends: 3757 [2020-10-09 10:52:24,164 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30657 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=12002, Invalid=53278, Unknown=0, NotChecked=0, Total=65280 [2020-10-09 10:52:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2020-10-09 10:52:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1656. [2020-10-09 10:52:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-10-09 10:52:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3002 transitions. [2020-10-09 10:52:24,204 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3002 transitions. Word has length 128 [2020-10-09 10:52:24,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:52:24,204 INFO L481 AbstractCegarLoop]: Abstraction has 1656 states and 3002 transitions. [2020-10-09 10:52:24,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-09 10:52:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3002 transitions. [2020-10-09 10:52:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-09 10:52:24,209 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:52:24,210 INFO L421 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:52:24,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:52:24,423 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:52:24,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:52:24,423 INFO L82 PathProgramCache]: Analyzing trace with hash 883192735, now seen corresponding path program 10 times [2020-10-09 10:52:24,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:52:24,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218196961] [2020-10-09 10:52:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:52:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:52:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:52:24,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218196961] [2020-10-09 10:52:24,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853061804] [2020-10-09 10:52:24,792 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 [2020-10-09 10:53:44,624 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-09 10:53:44,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:53:46,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-09 10:53:46,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:53:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:53:46,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:53:46,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 18 [2020-10-09 10:53:46,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792106071] [2020-10-09 10:53:46,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-09 10:53:46,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:53:46,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-09 10:53:46,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-09 10:53:46,951 INFO L87 Difference]: Start difference. First operand 1656 states and 3002 transitions. Second operand 18 states. [2020-10-09 10:53:47,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:53:47,189 INFO L93 Difference]: Finished difference Result 1888 states and 3416 transitions. [2020-10-09 10:53:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-09 10:53:47,191 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 136 [2020-10-09 10:53:47,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:53:47,213 INFO L225 Difference]: With dead ends: 1888 [2020-10-09 10:53:47,213 INFO L226 Difference]: Without dead ends: 1888 [2020-10-09 10:53:47,214 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-09 10:53:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-10-09 10:53:47,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1780. [2020-10-09 10:53:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-10-09 10:53:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 3223 transitions. [2020-10-09 10:53:47,259 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 3223 transitions. Word has length 136 [2020-10-09 10:53:47,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:53:47,260 INFO L481 AbstractCegarLoop]: Abstraction has 1780 states and 3223 transitions. [2020-10-09 10:53:47,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-09 10:53:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3223 transitions. [2020-10-09 10:53:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-09 10:53:47,268 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:53:47,268 INFO L421 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] [2020-10-09 10:53:47,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:53:47,481 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:53:47,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:53:47,482 INFO L82 PathProgramCache]: Analyzing trace with hash 851330655, now seen corresponding path program 11 times [2020-10-09 10:53:47,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:53:47,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068199162] [2020-10-09 10:53:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:53:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:53:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:53:48,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068199162] [2020-10-09 10:53:48,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029927879] [2020-10-09 10:53:48,018 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 [2020-10-09 10:53:53,012 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-10-09 10:53:53,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 10:53:53,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 170 conjunts are in the unsatisfiable core [2020-10-09 10:53:53,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 10:53:53,157 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 [2020-10-09 10:53:53,158 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:53,160 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:53,160 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:53,160 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-10-09 10:53:53,218 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:53,218 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 [2020-10-09 10:53:53,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:53,220 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:53,267 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-10-09 10:53:53,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:53,271 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:53,271 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-10-09 10:53:53,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:53,401 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:53,405 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:53,428 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:53,429 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-10-09 10:53:53,430 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 10:53:53,431 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 10:53:53,472 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:53,473 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 [2020-10-09 10:53:53,474 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-09 10:53:53,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:53:53,475 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-09 10:53:53,668 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2020-10-09 10:53:53,669 INFO L625 ElimStorePlain]: treesize reduction 139, result has 35.0 percent of original size [2020-10-09 10:53:53,672 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:53,672 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-10-09 10:53:53,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:53,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:53,891 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2020-10-09 10:53:53,893 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:53,901 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 [2020-10-09 10:53:53,908 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:53,940 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:53,941 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:53,941 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:49 [2020-10-09 10:53:54,037 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 [2020-10-09 10:53:54,042 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,044 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,044 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-09 10:53:54,107 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,107 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 [2020-10-09 10:53:54,108 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,153 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-09 10:53:54,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:54,159 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:54,159 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-09 10:53:54,316 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:54,327 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:54,330 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:54,357 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,358 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 [2020-10-09 10:53:54,359 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,388 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,388 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 [2020-10-09 10:53:54,389 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:54,391 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,537 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-10-09 10:53:54,538 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-09 10:53:54,543 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:54,543 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:53:54,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:54,661 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 [2020-10-09 10:53:54,662 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:54,675 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 [2020-10-09 10:53:54,676 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,733 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,735 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:54,735 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:53:54,859 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-09 10:53:54,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:54,877 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 [2020-10-09 10:53:54,879 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,929 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,935 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 10:53:54,936 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:54,974 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:54,976 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:54,977 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-09 10:53:55,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:55,111 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 [2020-10-09 10:53:55,111 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:55,166 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:55,166 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 [2020-10-09 10:53:55,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:55,169 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:55,294 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-10-09 10:53:55,294 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-09 10:53:55,298 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:55,303 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-09 10:53:55,304 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-09 10:53:55,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:55,469 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:55,474 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:55,502 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:55,503 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 [2020-10-09 10:53:55,504 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:53:55,505 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:55,533 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:55,534 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 [2020-10-09 10:53:55,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:55,539 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:55,701 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-10-09 10:53:55,702 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-09 10:53:55,707 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:55,708 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:53:55,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:55,836 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 [2020-10-09 10:53:55,837 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:55,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:55,849 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 [2020-10-09 10:53:55,850 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:55,900 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:55,901 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:55,901 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:53:56,073 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-09 10:53:56,073 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:56,084 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 [2020-10-09 10:53:56,084 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:56,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:56,134 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 [2020-10-09 10:53:56,135 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:56,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:56,172 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:56,172 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-09 10:53:56,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:56,295 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 [2020-10-09 10:53:56,295 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:56,338 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:56,339 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 [2020-10-09 10:53:56,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:56,343 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:56,456 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-09 10:53:56,457 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-09 10:53:56,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:56,460 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-09 10:53:56,460 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-09 10:53:56,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:56,642 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:56,646 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:56,675 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:56,675 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 [2020-10-09 10:53:56,676 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:53:56,677 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:56,713 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:56,713 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 [2020-10-09 10:53:56,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:56,715 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:56,863 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-09 10:53:56,864 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-09 10:53:56,869 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:56,869 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:53:56,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:57,021 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 [2020-10-09 10:53:57,021 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:57,032 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 [2020-10-09 10:53:57,032 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:57,087 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:57,089 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:57,090 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:53:57,362 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 1] term [2020-10-09 10:53:57,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:53:57,379 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 35 treesize of output 19 [2020-10-09 10:53:57,380 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:57,459 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.7 percent of original size [2020-10-09 10:53:57,465 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 [2020-10-09 10:53:57,466 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:57,510 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:57,512 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:57,512 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:104, output treesize:35 [2020-10-09 10:53:57,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:57,675 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 [2020-10-09 10:53:57,675 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:57,752 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:57,752 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 [2020-10-09 10:53:57,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:57,759 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:57,958 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-09 10:53:57,959 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-09 10:53:57,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:57,964 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-09 10:53:57,964 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-09 10:53:58,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:58,267 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:58,268 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 [2020-10-09 10:53:58,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:58,270 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,277 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:58,304 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:58,304 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 [2020-10-09 10:53:58,305 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:53:58,306 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,460 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-09 10:53:58,470 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-09 10:53:58,473 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:58,473 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-09 10:53:58,595 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:53:58,612 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 [2020-10-09 10:53:58,613 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:58,625 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 [2020-10-09 10:53:58,626 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,673 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:58,675 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-09 10:53:58,675 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-09 10:53:58,867 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 [2020-10-09 10:53:58,870 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:58,886 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,886 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-09 10:53:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:58,976 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 [2020-10-09 10:53:58,976 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:58,998 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:58,998 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-09 10:53:59,220 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:53:59,244 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:59,245 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-10-09 10:53:59,246 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,317 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-09 10:53:59,319 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,319 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-09 10:53:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:59,450 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 [2020-10-09 10:53:59,451 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:59,480 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,480 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-09 10:53:59,624 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 [2020-10-09 10:53:59,625 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,646 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:59,646 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,647 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-09 10:53:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:53:59,746 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 [2020-10-09 10:53:59,747 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,771 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:53:59,772 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:53:59,772 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-09 10:54:00,003 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:54:00,027 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:00,028 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 [2020-10-09 10:54:00,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:54:00,029 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,109 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-09 10:54:00,111 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,111 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-09 10:54:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:54:00,260 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 [2020-10-09 10:54:00,260 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,286 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:00,287 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,288 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-09 10:54:00,441 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 [2020-10-09 10:54:00,441 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,462 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:00,463 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,463 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-09 10:54:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:54:00,590 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 [2020-10-09 10:54:00,590 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:00,613 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,613 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-09 10:54:00,875 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 10:54:00,899 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:00,899 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 [2020-10-09 10:54:00,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:54:00,900 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,977 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-09 10:54:00,984 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:00,984 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-09 10:54:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 10:54:01,136 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 [2020-10-09 10:54:01,136 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,163 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:01,164 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,164 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-09 10:54:01,325 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 [2020-10-09 10:54:01,326 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,344 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:01,345 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,345 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-09 10:54:01,471 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:01,472 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 [2020-10-09 10:54:01,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 10:54:01,474 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,517 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-10-09 10:54:01,519 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,520 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-10-09 10:54:01,686 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:01,686 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 10:54:01,687 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 10:54:01,688 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,722 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-09 10:54:01,723 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,723 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-09 10:54:01,815 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-09 10:54:01,816 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 [2020-10-09 10:54:01,816 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,823 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 10:54:01,825 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 10:54:01,825 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-09 10:54:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 619 proven. 131 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-09 10:54:01,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 10:54:01,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 48] total 65 [2020-10-09 10:54:01,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209260391] [2020-10-09 10:54:01,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-10-09 10:54:01,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:54:01,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-10-09 10:54:01,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=3484, Unknown=0, NotChecked=0, Total=4160 [2020-10-09 10:54:01,925 INFO L87 Difference]: Start difference. First operand 1780 states and 3223 transitions. Second operand 65 states. [2020-10-09 10:54:04,059 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-10-09 10:54:04,216 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-09 10:54:05,414 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:54:06,531 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:54:07,052 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-09 10:54:07,334 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-09 10:54:07,594 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-10-09 10:54:08,261 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-09 10:54:09,622 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:09,788 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:54:10,137 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:10,362 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-09 10:54:10,596 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:54:10,808 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-10-09 10:54:11,036 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-09 10:54:11,438 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-09 10:54:13,241 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:13,472 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:54:13,645 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:14,200 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:54:14,432 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:14,614 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:54:14,839 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:15,075 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:54:15,317 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:54:15,744 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:54:18,106 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:18,498 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:54:19,153 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:54:19,502 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:54:19,737 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:20,161 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:54:20,334 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:20,606 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:20,778 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:54:21,041 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:54:21,285 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:54:22,029 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:54:24,782 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:25,219 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:25,388 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:25,622 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:54:25,977 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:26,362 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:26,665 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:54:27,045 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:54:27,285 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:54:27,576 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:54:28,099 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:54:28,523 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:54:28,708 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:28,903 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:54:29,165 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:54:29,653 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:54:32,957 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:33,419 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:54:33,962 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:34,154 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:34,511 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:34,834 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:54:35,224 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:54:35,568 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:36,017 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:54:36,440 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:54:36,719 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:54:37,537 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:54:37,813 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:54:38,213 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:54:38,421 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:38,630 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:54:39,071 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:54:40,056 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:54:43,171 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:54:43,387 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:43,974 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:44,541 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:44,924 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:54:45,203 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:45,865 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:54:46,173 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:46,474 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:54:47,171 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:54:47,395 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:54:47,713 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:54:48,269 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:54:49,114 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:54:49,397 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:54:49,851 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:54:50,085 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:50,587 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:54:50,877 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:54:52,013 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:54:52,401 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:54:53,090 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:54:55,249 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:54:55,477 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:55,785 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:54:56,016 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:56,192 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:54:56,572 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:54:56,886 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:54:57,668 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:54:57,975 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:54:58,428 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:54:58,691 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:54:58,976 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:54:59,327 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:54:59,637 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:54:59,949 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:55:00,757 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:55:01,002 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:01,413 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:55:01,990 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:55:03,090 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:55:03,403 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:55:03,721 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:55:04,549 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:55:06,131 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:55:06,421 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:55:06,828 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:55:07,523 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:08,097 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:08,321 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:55:08,586 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:55:09,553 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:55:09,792 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:10,110 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:10,380 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:10,680 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:55:10,950 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:55:11,137 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:55:12,091 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:55:12,383 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:55:12,951 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:55:13,494 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:14,012 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:55:14,322 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:55:14,704 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:14,967 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:55:15,313 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:55:15,572 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:55:15,760 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-09 10:55:16,209 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:55:16,671 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:55:18,288 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:55:18,612 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:55:18,968 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:55:21,032 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:55:21,291 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-10-09 10:55:21,589 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:55:21,914 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:55:22,367 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:55:22,781 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:23,066 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:55:23,674 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:23,937 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:24,282 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:55:24,788 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:55:25,117 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-09 10:55:25,379 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:25,726 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:55:26,276 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:26,545 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:26,878 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:55:27,081 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:55:27,591 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:55:28,265 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:55:28,648 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:28,971 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:55:29,745 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:55:30,097 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:55:30,678 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:55:31,025 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:55:32,000 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:55:32,297 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:32,595 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:55:32,876 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:55:33,397 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:55:33,974 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:55:35,606 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:55:35,923 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:55:37,114 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:38,400 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:55:39,004 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:55:39,387 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:55:39,850 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:55:40,170 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:40,841 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:41,204 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:55:41,534 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-09 10:55:41,762 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:55:42,072 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:42,390 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:55:42,768 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:55:43,123 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:43,766 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:55:44,088 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:55:44,587 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:55:45,055 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:55:46,239 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:55:46,908 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:47,368 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:55:48,039 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:55:48,439 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:55:48,827 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:55:49,498 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:55:49,828 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:55:50,860 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-09 10:55:51,202 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:55:51,547 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:55:51,852 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:55:52,243 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:55:52,991 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:55:53,778 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:55:55,860 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:55:56,215 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:55:57,735 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:55:58,467 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:55:59,098 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:55:59,444 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:55:59,771 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:00,209 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:00,914 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:56:01,179 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-09 10:56:01,411 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:56:01,840 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:56:02,205 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:02,635 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:56:02,990 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:03,510 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:04,370 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:56:04,833 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:56:06,292 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:56:06,726 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:56:07,296 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:56:07,702 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:56:08,203 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:56:08,564 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:56:08,984 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:56:09,473 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:56:09,968 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:56:10,787 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:56:11,196 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:56:12,164 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:56:13,226 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-09 10:56:13,925 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:56:14,676 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:56:15,442 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:56:16,045 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:56:18,342 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:56:18,678 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-10-09 10:56:18,927 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-10-09 10:56:19,170 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:56:19,899 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:20,475 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:56:20,839 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:21,568 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:56:21,954 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:22,848 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:56:23,106 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:56:23,362 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-09 10:56:23,615 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:56:24,041 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:24,509 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:56:24,884 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:25,389 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:26,736 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:56:27,235 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:56:27,923 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:56:28,266 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:56:28,470 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-09 10:56:28,671 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-09 10:56:29,462 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:56:29,840 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:56:30,531 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:56:31,008 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:56:31,450 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:56:31,870 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:56:32,595 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:56:33,041 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:56:33,579 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:56:34,122 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:56:34,899 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-09 10:56:35,356 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:56:36,808 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-10-09 10:56:38,166 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:56:39,168 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-09 10:56:39,658 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:56:40,331 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:56:42,284 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:56:43,046 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:43,489 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-09 10:56:43,765 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-10-09 10:56:44,028 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-10-09 10:56:44,416 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:44,985 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:56:45,352 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:56:46,280 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-09 10:56:46,698 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:47,127 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-09 10:56:47,415 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-09 10:56:47,687 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-09 10:56:48,251 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:48,724 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-09 10:56:49,297 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-09 10:56:50,666 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-09 10:56:51,239 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:56:52,237 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:56:52,478 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-09 10:56:53,080 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:56:53,936 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-09 10:56:54,439 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-09 10:56:55,078 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-09 10:56:55,296 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-09 10:56:55,511 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-09 10:56:55,965 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:56:56,409 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-09 10:56:56,971 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-09 10:56:57,560 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-09 10:56:57,951 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-09 10:56:58,425 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-09 10:56:58,883 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-10-09 10:56:59,884 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-09 10:57:00,367 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-09 10:57:00,904 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-09 10:57:02,318 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-10-09 10:57:02,676 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-09 10:57:04,131 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:57:04,518 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-10-09 10:57:04,937 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-10-09 10:57:05,453 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-09 10:57:06,065 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-09 10:57:06,339 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2020-10-09 10:57:06,754 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-09 10:57:07,183 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-09 10:57:07,645 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2020-10-09 10:57:08,062 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-10-09 10:57:08,668 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-09 10:57:09,118 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-09 10:57:09,617 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-10-09 10:57:10,101 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-09 10:57:10,543 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:57:11,122 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-09 10:57:11,569 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2020-10-09 10:57:11,909 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-09 10:57:12,476 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:57:12,952 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-09 10:57:13,726 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-10-09 10:57:13,988 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-09 10:57:14,913 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-09 10:57:15,383 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:57:15,804 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-10-09 10:57:16,110 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-10-09 10:57:16,733 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-10-09 10:57:17,258 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2020-10-09 10:57:18,110 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-10-09 10:57:18,684 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-09 10:57:19,152 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-10-09 10:57:19,412 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-10-09 10:57:20,130 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2020-10-09 10:57:20,597 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-09 10:57:21,055 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-09 10:57:21,497 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-09 10:57:22,215 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-10-09 10:57:22,573 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-10-09 10:57:23,192 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-10-09 10:57:23,698 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-09 10:57:24,559 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-09 10:57:25,126 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-09 10:57:27,656 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-09 10:57:28,272 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-10-09 10:57:32,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:57:32,007 INFO L93 Difference]: Finished difference Result 8849 states and 15716 transitions. [2020-10-09 10:57:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 792 states. [2020-10-09 10:57:32,011 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 144 [2020-10-09 10:57:32,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:57:32,027 INFO L225 Difference]: With dead ends: 8849 [2020-10-09 10:57:32,027 INFO L226 Difference]: Without dead ends: 8849 [2020-10-09 10:57:32,053 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1707 GetRequests, 867 SyntacticMatches, 4 SemanticMatches, 836 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352471 ImplicationChecksByTransitivity, 189.7s TimeCoverageRelationStatistics Valid=73590, Invalid=627816, Unknown=0, NotChecked=0, Total=701406 [2020-10-09 10:57:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8849 states. [2020-10-09 10:57:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8849 to 5330. [2020-10-09 10:57:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5330 states. [2020-10-09 10:57:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 9487 transitions. [2020-10-09 10:57:32,188 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 9487 transitions. Word has length 144 [2020-10-09 10:57:32,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:57:32,189 INFO L481 AbstractCegarLoop]: Abstraction has 5330 states and 9487 transitions. [2020-10-09 10:57:32,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-10-09 10:57:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 9487 transitions. [2020-10-09 10:57:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-09 10:57:32,203 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:57:32,204 INFO L421 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] [2020-10-09 10:57:32,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 10:57:32,416 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:57:32,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:57:32,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2099551841, now seen corresponding path program 12 times [2020-10-09 10:57:32,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:57:32,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932036407] [2020-10-09 10:57:32,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:57:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:57:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:57:33,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932036407] [2020-10-09 10:57:33,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513320010] [2020-10-09 10:57:33,331 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 [2020-10-09 11:01:21,707 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2020-10-09 11:01:21,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 11:01:26,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 89 conjunts are in the unsatisfiable core [2020-10-09 11:01:26,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 11:01:26,368 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 [2020-10-09 11:01:26,370 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 11:01:26,449 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-09 11:01:26,454 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:26,455 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-09 11:01:26,562 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 [2020-10-09 11:01:26,562 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:26,657 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:26,658 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:26,658 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-09 11:01:26,725 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 [2020-10-09 11:01:26,726 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:26,746 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:26,748 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:26,748 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:01:26,846 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:01:26,897 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:26,898 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 [2020-10-09 11:01:26,899 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:26,998 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-09 11:01:27,000 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,000 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 11:01:27,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:01:27,092 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 [2020-10-09 11:01:27,092 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,124 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,126 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,127 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 11:01:27,234 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 34 treesize of output 18 [2020-10-09 11:01:27,234 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,255 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,256 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,256 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-09 11:01:27,330 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 [2020-10-09 11:01:27,330 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,350 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,352 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,352 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:01:27,461 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:01:27,512 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,512 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 [2020-10-09 11:01:27,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 11:01:27,514 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,626 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-10-09 11:01:27,627 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-09 11:01:27,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,630 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 11:01:27,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:01:27,726 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 [2020-10-09 11:01:27,727 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,764 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,764 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 11:01:27,875 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 34 treesize of output 18 [2020-10-09 11:01:27,875 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,896 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,897 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-09 11:01:27,975 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 [2020-10-09 11:01:27,975 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:27,997 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:27,998 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:01:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:01:28,160 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:28,160 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 [2020-10-09 11:01:28,161 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 11:01:28,162 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,270 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-10-09 11:01:28,272 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-09 11:01:28,274 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,275 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 11:01:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:01:28,377 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 [2020-10-09 11:01:28,378 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,410 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:28,412 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,412 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 11:01:28,531 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 34 treesize of output 18 [2020-10-09 11:01:28,532 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:28,554 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,554 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-09 11:01:28,645 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 11:01:28,646 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:28,672 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,673 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-09 11:01:28,831 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:01:28,881 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:28,882 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 [2020-10-09 11:01:28,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 11:01:28,884 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,984 INFO L625 ElimStorePlain]: treesize reduction 35, result has 50.7 percent of original size [2020-10-09 11:01:28,986 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:28,987 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-09 11:01:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:01:29,085 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 [2020-10-09 11:01:29,085 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:29,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:29,114 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:29,115 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-09 11:01:29,132 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 [2020-10-09 11:01:29,133 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:01:29,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:01:29,139 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:01:29,139 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-09 11:01:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 554 proven. 54 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2020-10-09 11:01:29,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 11:01:29,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2020-10-09 11:01:29,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012524297] [2020-10-09 11:01:29,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-09 11:01:29,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:01:29,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-09 11:01:29,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-10-09 11:01:29,168 INFO L87 Difference]: Start difference. First operand 5330 states and 9487 transitions. Second operand 38 states. [2020-10-09 11:01:31,742 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-10-09 11:01:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:01:56,755 INFO L93 Difference]: Finished difference Result 4989 states and 8764 transitions. [2020-10-09 11:01:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2020-10-09 11:01:56,760 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 152 [2020-10-09 11:01:56,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:01:56,768 INFO L225 Difference]: With dead ends: 4989 [2020-10-09 11:01:56,768 INFO L226 Difference]: Without dead ends: 4989 [2020-10-09 11:01:56,770 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22159 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=10897, Invalid=39055, Unknown=0, NotChecked=0, Total=49952 [2020-10-09 11:01:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4989 states. [2020-10-09 11:01:56,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 2457. [2020-10-09 11:01:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2457 states. [2020-10-09 11:01:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 4406 transitions. [2020-10-09 11:01:56,819 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 4406 transitions. Word has length 152 [2020-10-09 11:01:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:01:56,820 INFO L481 AbstractCegarLoop]: Abstraction has 2457 states and 4406 transitions. [2020-10-09 11:01:56,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-09 11:01:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4406 transitions. [2020-10-09 11:01:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-09 11:01:56,825 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:01:56,826 INFO L421 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 14, 14, 14, 14, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:01:57,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-10-09 11:01:57,038 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:01:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:01:57,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1155708161, now seen corresponding path program 13 times [2020-10-09 11:01:57,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:01:57,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061874176] [2020-10-09 11:01:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:01:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:01:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 1068 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:01:57,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061874176] [2020-10-09 11:01:57,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658121512] [2020-10-09 11:01:57,945 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 11:01:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:01:58,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-09 11:01:58,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 11:01:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 1068 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:01:58,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 11:01:58,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 21 [2020-10-09 11:01:58,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823523342] [2020-10-09 11:01:58,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-09 11:01:58,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:01:58,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-09 11:01:58,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2020-10-09 11:01:58,178 INFO L87 Difference]: Start difference. First operand 2457 states and 4406 transitions. Second operand 21 states. [2020-10-09 11:01:58,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:01:58,610 INFO L93 Difference]: Finished difference Result 2749 states and 4925 transitions. [2020-10-09 11:01:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-09 11:01:58,617 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 160 [2020-10-09 11:01:58,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:01:58,621 INFO L225 Difference]: With dead ends: 2749 [2020-10-09 11:01:58,621 INFO L226 Difference]: Without dead ends: 2749 [2020-10-09 11:01:58,621 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2020-10-09 11:01:58,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2020-10-09 11:01:58,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2613. [2020-10-09 11:01:58,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2020-10-09 11:01:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4683 transitions. [2020-10-09 11:01:58,650 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4683 transitions. Word has length 160 [2020-10-09 11:01:58,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:01:58,650 INFO L481 AbstractCegarLoop]: Abstraction has 2613 states and 4683 transitions. [2020-10-09 11:01:58,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-09 11:01:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4683 transitions. [2020-10-09 11:01:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-09 11:01:58,656 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:01:58,656 INFO L421 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 15, 15, 15, 15, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:01:58,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-09 11:01:58,871 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:01:58,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:01:58,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1290031007, now seen corresponding path program 14 times [2020-10-09 11:01:58,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:01:58,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878385744] [2020-10-09 11:01:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:01:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:01:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:01:59,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878385744] [2020-10-09 11:01:59,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086766925] [2020-10-09 11:01:59,909 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 11:02:00,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-09 11:02:00,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 11:02:00,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 21 conjunts are in the unsatisfiable core [2020-10-09 11:02:00,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 11:02:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:02:00,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 11:02:00,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 22 [2020-10-09 11:02:00,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612006124] [2020-10-09 11:02:00,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-09 11:02:00,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:02:00,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-09 11:02:00,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2020-10-09 11:02:00,262 INFO L87 Difference]: Start difference. First operand 2613 states and 4683 transitions. Second operand 22 states. [2020-10-09 11:02:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:02:00,705 INFO L93 Difference]: Finished difference Result 2769 states and 4960 transitions. [2020-10-09 11:02:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-09 11:02:00,709 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 168 [2020-10-09 11:02:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:02:00,715 INFO L225 Difference]: With dead ends: 2769 [2020-10-09 11:02:00,716 INFO L226 Difference]: Without dead ends: 2769 [2020-10-09 11:02:00,716 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2020-10-09 11:02:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2020-10-09 11:02:00,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2769. [2020-10-09 11:02:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-09 11:02:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 4960 transitions. [2020-10-09 11:02:00,751 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 4960 transitions. Word has length 168 [2020-10-09 11:02:00,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:02:00,752 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 4960 transitions. [2020-10-09 11:02:00,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-09 11:02:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 4960 transitions. [2020-10-09 11:02:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-09 11:02:00,759 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:02:00,759 INFO L421 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 16, 16, 16, 16, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:02:00,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-10-09 11:02:00,968 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:02:00,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:02:00,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1801593439, now seen corresponding path program 15 times [2020-10-09 11:02:00,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:02:00,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798366305] [2020-10-09 11:02:00,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:02:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:02:02,938 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-10-09 11:02:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 441 proven. 39 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2020-10-09 11:02:04,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798366305] [2020-10-09 11:02:04,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219738425] [2020-10-09 11:02:04,406 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 11:02:10,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2020-10-09 11:02:10,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 11:02:10,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 114 conjunts are in the unsatisfiable core [2020-10-09 11:02:10,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 11:02:10,832 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 [2020-10-09 11:02:10,834 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 11:02:10,918 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-09 11:02:10,923 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:10,923 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-09 11:02:11,051 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 [2020-10-09 11:02:11,052 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,068 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,068 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,068 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-09 11:02:11,145 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 [2020-10-09 11:02:11,145 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,165 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,167 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,168 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:02:11,267 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:02:11,320 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,320 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 [2020-10-09 11:02:11,321 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,422 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-10-09 11:02:11,424 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-09 11:02:11,426 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,427 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 11:02:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:02:11,505 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 [2020-10-09 11:02:11,506 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,538 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,541 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,541 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 11:02:11,642 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 34 treesize of output 18 [2020-10-09 11:02:11,643 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,671 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-09 11:02:11,682 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 [2020-10-09 11:02:11,683 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,705 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,707 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,707 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:02:11,817 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:02:11,869 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:11,870 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 [2020-10-09 11:02:11,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 11:02:11,872 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,989 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-10-09 11:02:11,991 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-09 11:02:11,993 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:11,994 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 11:02:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:02:12,047 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 31 treesize of output 30 [2020-10-09 11:02:12,048 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,082 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,084 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,085 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-10-09 11:02:12,183 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 36 treesize of output 20 [2020-10-09 11:02:12,184 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,207 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,207 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,208 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:14 [2020-10-09 11:02:12,219 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 [2020-10-09 11:02:12,219 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,247 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,249 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,249 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:02:12,355 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:02:12,409 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,409 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 [2020-10-09 11:02:12,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 11:02:12,411 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,526 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-10-09 11:02:12,528 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-09 11:02:12,530 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-09 11:02:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:02:12,624 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 [2020-10-09 11:02:12,624 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,657 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,660 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,660 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 11:02:12,822 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 [2020-10-09 11:02:12,823 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,839 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,839 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,840 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-09 11:02:12,917 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 11:02:12,917 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:12,940 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:12,940 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-09 11:02:13,040 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:02:13,100 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:13,101 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 [2020-10-09 11:02:13,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 11:02:13,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 11:02:13,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 11:02:13,105 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 11:02:13,225 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-10-09 11:02:13,227 INFO L625 ElimStorePlain]: treesize reduction 94, result has 28.2 percent of original size [2020-10-09 11:02:13,229 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,229 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-09 11:02:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:02:13,330 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 [2020-10-09 11:02:13,331 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,365 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:13,367 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,367 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-09 11:02:13,547 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-09 11:02:13,548 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,567 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:13,567 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,567 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-09 11:02:13,650 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 [2020-10-09 11:02:13,651 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,672 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:13,674 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,674 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-09 11:02:13,840 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-09 11:02:13,891 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:13,892 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 [2020-10-09 11:02:13,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 11:02:13,894 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-09 11:02:13,984 INFO L625 ElimStorePlain]: treesize reduction 93, result has 26.2 percent of original size [2020-10-09 11:02:13,986 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:13,986 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-10-09 11:02:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-09 11:02:14,091 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 [2020-10-09 11:02:14,091 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:14,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:14,121 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:14,122 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-09 11:02:14,131 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 [2020-10-09 11:02:14,133 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-09 11:02:14,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 11:02:14,139 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-09 11:02:14,139 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-09 11:02:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 633 proven. 138 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2020-10-09 11:02:14,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 11:02:14,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23] total 37 [2020-10-09 11:02:14,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301134253] [2020-10-09 11:02:14,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-09 11:02:14,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:02:14,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-09 11:02:14,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=1027, Unknown=0, NotChecked=0, Total=1406 [2020-10-09 11:02:14,237 INFO L87 Difference]: Start difference. First operand 2769 states and 4960 transitions. Second operand 38 states. [2020-10-09 11:02:15,181 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-10-09 11:02:19,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:02:19,875 INFO L93 Difference]: Finished difference Result 4835 states and 8542 transitions. [2020-10-09 11:02:19,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-09 11:02:19,880 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 176 [2020-10-09 11:02:19,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:02:19,884 INFO L225 Difference]: With dead ends: 4835 [2020-10-09 11:02:19,885 INFO L226 Difference]: Without dead ends: 4835 [2020-10-09 11:02:19,885 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 159 SyntacticMatches, 6 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=748, Invalid=2008, Unknown=0, NotChecked=0, Total=2756 [2020-10-09 11:02:19,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4835 states. [2020-10-09 11:02:19,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4835 to 3100. [2020-10-09 11:02:19,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3100 states. [2020-10-09 11:02:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 3100 states and 5507 transitions. [2020-10-09 11:02:19,931 INFO L78 Accepts]: Start accepts. Automaton has 3100 states and 5507 transitions. Word has length 176 [2020-10-09 11:02:19,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:02:19,932 INFO L481 AbstractCegarLoop]: Abstraction has 3100 states and 5507 transitions. [2020-10-09 11:02:19,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-09 11:02:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 5507 transitions. [2020-10-09 11:02:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-09 11:02:19,940 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:02:19,940 INFO L421 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:02:20,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-10-09 11:02:20,154 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:02:20,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:02:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1260722859, now seen corresponding path program 16 times [2020-10-09 11:02:20,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:02:20,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497499152] [2020-10-09 11:02:20,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:02:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:02:22,325 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2020-10-09 11:02:22,473 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-10-09 11:02:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 660 proven. 150 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-10-09 11:02:25,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497499152] [2020-10-09 11:02:25,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822345705] [2020-10-09 11:02:25,594 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown