/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:32:43,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:32:43,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:32:43,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:32:43,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:32:43,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:32:43,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:32:43,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:32:43,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:32:43,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:32:43,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:32:43,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:32:43,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:32:43,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:32:43,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:32:43,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:32:43,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:32:43,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:32:43,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:32:43,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:32:43,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:32:43,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:32:43,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:32:43,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:32:43,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 06:32:43,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 06:32:43,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 06:32:43,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 06:32:43,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 06:32:43,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 06:32:43,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:32:43,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:32:43,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:32:43,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:32:43,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:32:43,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:32:43,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:32:43,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:32:43,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:32:43,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:32:43,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:32:43,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:32:43,739 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:32:43,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:32:43,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:32:43,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:32:43,742 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:32:43,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:32:43,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:32:43,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:32:43,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:32:43,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:32:43,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:32:43,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:32:43,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:32:43,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:32:43,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:32:43,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:32:43,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:32:43,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:32:43,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:32:43,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:32:43,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:32:43,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:32:43,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:32:43,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:32:43,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:32:43,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:32:44,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:32:44,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:32:44,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:32:44,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:32:44,254 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:32:44,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2020-12-23 06:32:44,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7912765e2/9bb807de74754ea2a6bd14b6774bea7d/FLAGff872ba34 [2020-12-23 06:32:45,206 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:32:45,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2020-12-23 06:32:45,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7912765e2/9bb807de74754ea2a6bd14b6774bea7d/FLAGff872ba34 [2020-12-23 06:32:45,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7912765e2/9bb807de74754ea2a6bd14b6774bea7d [2020-12-23 06:32:45,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:32:45,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:32:45,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:32:45,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:32:45,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:32:45,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:32:45" (1/1) ... [2020-12-23 06:32:45,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f7b916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:45, skipping insertion in model container [2020-12-23 06:32:45,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:32:45" (1/1) ... [2020-12-23 06:32:45,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:32:45,531 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: lhs: VariableLHS[~head,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem12,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem12,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~head,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] [2020-12-23 06:32:45,944 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2020-12-23 06:32:45,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:32:45,973 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: lhs: VariableLHS[~head,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#t~mem12,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[12],StructAccessExpression[IdentifierExpression[#t~mem12,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~head,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] [2020-12-23 06:32:46,065 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2020-12-23 06:32:46,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:32:46,125 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:32:46,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46 WrapperNode [2020-12-23 06:32:46,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:32:46,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:32:46,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:32:46,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:32:46,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:32:46,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:32:46,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:32:46,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:32:46,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... [2020-12-23 06:32:46,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:32:46,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:32:46,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:32:46,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:32:46,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:32:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:32:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:32:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 06:32:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 06:32:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:32:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-23 06:32:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:32:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-23 06:32:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:32:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:32:46,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:32:46,835 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2020-12-23 06:32:46,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:32:46 BoogieIcfgContainer [2020-12-23 06:32:46,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:32:46,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:32:46,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:32:46,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:32:46,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:32:45" (1/3) ... [2020-12-23 06:32:46,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bde0de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:32:46, skipping insertion in model container [2020-12-23 06:32:46,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:32:46" (2/3) ... [2020-12-23 06:32:46,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bde0de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:32:46, skipping insertion in model container [2020-12-23 06:32:46,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:32:46" (3/3) ... [2020-12-23 06:32:46,847 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_unequal.i [2020-12-23 06:32:46,853 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:32:46,859 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:32:46,879 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:32:46,907 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:32:46,908 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:32:46,908 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:32:46,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:32:46,908 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:32:46,909 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:32:46,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:32:46,909 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:32:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-12-23 06:32:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:32:46,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:32:46,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:32:46,932 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:32:46,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:32:46,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1343693430, now seen corresponding path program 1 times [2020-12-23 06:32:46,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:32:46,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936623084] [2020-12-23 06:32:46,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:32:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:32:47,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936623084] [2020-12-23 06:32:47,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:32:47,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 06:32:47,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848053947] [2020-12-23 06:32:47,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 06:32:47,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:32:47,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 06:32:47,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:32:47,353 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 3 states. [2020-12-23 06:32:47,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:32:47,385 INFO L93 Difference]: Finished difference Result 54 states and 78 transitions. [2020-12-23 06:32:47,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 06:32:47,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-23 06:32:47,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:32:47,396 INFO L225 Difference]: With dead ends: 54 [2020-12-23 06:32:47,397 INFO L226 Difference]: Without dead ends: 26 [2020-12-23 06:32:47,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:32:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-23 06:32:47,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2020-12-23 06:32:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-23 06:32:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-12-23 06:32:47,436 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 13 [2020-12-23 06:32:47,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:32:47,436 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-12-23 06:32:47,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 06:32:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-12-23 06:32:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 06:32:47,437 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:32:47,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:32:47,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:32:47,438 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:32:47,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:32:47,439 INFO L82 PathProgramCache]: Analyzing trace with hash -2123492277, now seen corresponding path program 1 times [2020-12-23 06:32:47,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:32:47,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901120409] [2020-12-23 06:32:47,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:32:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:32:47,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901120409] [2020-12-23 06:32:47,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:32:47,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 06:32:47,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575761451] [2020-12-23 06:32:47,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 06:32:47,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:32:47,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 06:32:47,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:32:47,511 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand 3 states. [2020-12-23 06:32:47,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:32:47,535 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2020-12-23 06:32:47,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 06:32:47,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-23 06:32:47,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:32:47,536 INFO L225 Difference]: With dead ends: 45 [2020-12-23 06:32:47,537 INFO L226 Difference]: Without dead ends: 26 [2020-12-23 06:32:47,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:32:47,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-23 06:32:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2020-12-23 06:32:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-23 06:32:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2020-12-23 06:32:47,543 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 18 [2020-12-23 06:32:47,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:32:47,543 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2020-12-23 06:32:47,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 06:32:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2020-12-23 06:32:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 06:32:47,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:32:47,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:32:47,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:32:47,545 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:32:47,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:32:47,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1584669005, now seen corresponding path program 1 times [2020-12-23 06:32:47,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:32:47,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105713250] [2020-12-23 06:32:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:32:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:32:47,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105713250] [2020-12-23 06:32:47,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362839840] [2020-12-23 06:32:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:32:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:47,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 06:32:47,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 06:32:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:32:47,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 06:32:47,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 06:32:47,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125889916] [2020-12-23 06:32:47,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 06:32:47,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:32:47,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 06:32:47,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 06:32:47,785 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 5 states. [2020-12-23 06:32:47,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:32:47,808 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-12-23 06:32:47,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 06:32:47,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-23 06:32:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:32:47,812 INFO L225 Difference]: With dead ends: 41 [2020-12-23 06:32:47,812 INFO L226 Difference]: Without dead ends: 27 [2020-12-23 06:32:47,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 06:32:47,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-23 06:32:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-23 06:32:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-23 06:32:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-12-23 06:32:47,821 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 18 [2020-12-23 06:32:47,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:32:47,822 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-12-23 06:32:47,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 06:32:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-23 06:32:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 06:32:47,823 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:32:47,824 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:32:48,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 06:32:48,038 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:32:48,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:32:48,040 INFO L82 PathProgramCache]: Analyzing trace with hash -362691628, now seen corresponding path program 1 times [2020-12-23 06:32:48,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:32:48,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736878905] [2020-12-23 06:32:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:32:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 06:32:48,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736878905] [2020-12-23 06:32:48,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:32:48,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 06:32:48,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852591857] [2020-12-23 06:32:48,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 06:32:48,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:32:48,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 06:32:48,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-12-23 06:32:48,475 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 12 states. [2020-12-23 06:32:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:32:48,978 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-12-23 06:32:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 06:32:48,978 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2020-12-23 06:32:48,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:32:48,979 INFO L225 Difference]: With dead ends: 30 [2020-12-23 06:32:48,980 INFO L226 Difference]: Without dead ends: 28 [2020-12-23 06:32:48,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-12-23 06:32:48,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-23 06:32:48,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2020-12-23 06:32:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-23 06:32:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-12-23 06:32:48,986 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2020-12-23 06:32:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:32:48,987 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-12-23 06:32:48,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 06:32:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-12-23 06:32:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 06:32:48,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:32:48,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:32:48,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 06:32:48,989 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:32:48,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:32:48,989 INFO L82 PathProgramCache]: Analyzing trace with hash -654268657, now seen corresponding path program 1 times [2020-12-23 06:32:48,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:32:48,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428854244] [2020-12-23 06:32:48,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:32:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:32:49,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428854244] [2020-12-23 06:32:49,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167578403] [2020-12-23 06:32:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:32:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:32:49,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 77 conjunts are in the unsatisfiable core [2020-12-23 06:32:49,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 06:32:49,998 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-23 06:32:49,999 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,007 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,008 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,009 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2020-12-23 06:32:50,079 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,079 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 28 [2020-12-23 06:32:50,082 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,103 INFO L625 ElimStorePlain]: treesize reduction 14, result has 54.8 percent of original size [2020-12-23 06:32:50,104 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,105 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2020-12-23 06:32:50,294 INFO L348 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2020-12-23 06:32:50,295 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 69 [2020-12-23 06:32:50,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 06:32:50,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:32:50,312 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,344 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,345 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,347 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:33 [2020-12-23 06:32:50,421 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_int_26|], 2=[|v_#memory_int_23|]} [2020-12-23 06:32:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:50,434 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2020-12-23 06:32:50,435 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:50,467 INFO L382 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 27 treesize of output 11 [2020-12-23 06:32:50,470 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,485 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,486 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,486 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:37 [2020-12-23 06:32:50,560 INFO L382 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 27 treesize of output 11 [2020-12-23 06:32:50,562 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,578 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,581 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:32:50,582 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:37 [2020-12-23 06:32:50,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:50,791 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,791 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2020-12-23 06:32:50,794 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:32:50,797 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,813 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:32:50,813 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:46 [2020-12-23 06:32:50,896 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_24|, |v_#memory_int_25|, |v_#memory_int_28|], 6=[|v_#memory_$Pointer$.offset_24|, |v_#memory_$Pointer$.base_24|]} [2020-12-23 06:32:50,905 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:32:50,956 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:50,966 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:32:51,002 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,015 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 40 [2020-12-23 06:32:51,019 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,073 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2020-12-23 06:32:51,075 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,130 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2020-12-23 06:32:51,132 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,186 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,191 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 5 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:32:51,191 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:145, output treesize:82 [2020-12-23 06:32:51,335 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_29|], 20=[|v_#memory_$Pointer$.offset_25|, |v_#memory_$Pointer$.base_25|]} [2020-12-23 06:32:51,343 INFO L382 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 [2020-12-23 06:32:51,346 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,385 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,423 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,424 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 96 [2020-12-23 06:32:51,428 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,517 INFO L625 ElimStorePlain]: treesize reduction 48, result has 70.0 percent of original size [2020-12-23 06:32:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,555 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:51,555 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 108 [2020-12-23 06:32:51,562 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,642 INFO L625 ElimStorePlain]: treesize reduction 38, result has 75.6 percent of original size [2020-12-23 06:32:51,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,662 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:32:51,663 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:135, output treesize:118 [2020-12-23 06:32:51,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 06:32:51,802 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 06:32:51,806 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 06:32:51,810 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:32:51,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:32:51,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 06:32:51,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:32:51,837 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 06:32:51,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:32:51,856 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_30|], 56=[|v_#memory_$Pointer$.offset_26|, |v_#memory_$Pointer$.base_26|]} [2020-12-23 06:32:51,865 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,872 INFO L382 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 51 treesize of output 15 [2020-12-23 06:32:51,874 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,883 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,890 INFO L382 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 51 treesize of output 15 [2020-12-23 06:32:51,891 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:51,900 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:51,905 INFO L382 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 51 treesize of output 15 [2020-12-23 06:32:51,906 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:52,287 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-12-23 06:32:52,290 INFO L625 ElimStorePlain]: treesize reduction 18, result has 96.1 percent of original size [2020-12-23 06:32:52,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,317 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:52,346 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:52,347 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 108 [2020-12-23 06:32:52,351 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:52,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,380 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:52,390 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2020-12-23 06:32:52,393 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,411 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2020-12-23 06:32:52,416 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:52,567 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 06:32:52,568 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,596 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:52,720 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:52,721 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 101 treesize of output 274 [2020-12-23 06:32:52,735 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 06:32:52,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 06:32:52,741 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,759 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:32:52,822 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:52,823 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 196 [2020-12-23 06:32:52,836 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 06:32:52,836 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 06:32:52,839 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:52,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:52,911 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:52,917 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 196 [2020-12-23 06:32:52,926 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 06:32:52,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 06:32:52,930 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:53,219 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-12-23 06:32:53,222 INFO L625 ElimStorePlain]: treesize reduction 30, result has 93.3 percent of original size [2020-12-23 06:32:53,234 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-12-23 06:32:53,234 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:574, output treesize:421 [2020-12-23 06:32:53,496 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 06:32:53,516 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:32:53,536 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:32:53,560 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:32:53,566 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 13, 1] term [2020-12-23 06:32:53,566 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:32:53,627 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_31|, v_prenex_7, v_prenex_3], 20=[v_prenex_10, |v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|, v_prenex_8], 30=[v_prenex_4, v_prenex_5]} [2020-12-23 06:32:53,649 INFO L382 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 29 treesize of output 17 [2020-12-23 06:32:53,650 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:53,942 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-12-23 06:32:53,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:53,963 INFO L382 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 29 treesize of output 17 [2020-12-23 06:32:53,966 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:54,220 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-12-23 06:32:54,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:54,245 INFO L382 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 29 treesize of output 17 [2020-12-23 06:32:54,251 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:54,499 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-12-23 06:32:54,499 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:54,530 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2020-12-23 06:32:54,532 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:54,726 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-12-23 06:32:54,727 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:54,807 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:54,808 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 179 [2020-12-23 06:32:54,820 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:54,997 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-23 06:32:54,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,021 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2020-12-23 06:32:55,026 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:55,185 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-12-23 06:32:55,186 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,262 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:55,263 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 195 [2020-12-23 06:32:55,269 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:55,395 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-12-23 06:32:55,396 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:55,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,506 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:55,506 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 114 treesize of output 235 [2020-12-23 06:32:55,513 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:55,781 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 123 [2020-12-23 06:32:55,782 INFO L625 ElimStorePlain]: treesize reduction 36, result has 91.3 percent of original size [2020-12-23 06:32:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:32:55,817 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:32:55,817 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 107 [2020-12-23 06:32:55,822 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-23 06:32:56,066 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2020-12-23 06:32:56,070 INFO L625 ElimStorePlain]: treesize reduction 20, result has 94.9 percent of original size [2020-12-23 06:32:56,076 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 9 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-12-23 06:32:56,077 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 16 variables, input treesize:514, output treesize:599 [2020-12-23 06:32:56,294 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 06:32:56,302 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 06:33:20,827 WARN L197 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 73 [2020-12-23 06:33:20,845 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:33:20,867 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:33:20,888 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 06:33:20,947 INFO L443 ElimStorePlain]: Different costs {12=[v_prenex_18, v_prenex_17, |#memory_$Pointer$.base|, |#memory_$Pointer$.offset|], 20=[v_prenex_14, v_prenex_13]} [2020-12-23 06:33:20,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:33:21,110 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-23 06:33:21,111 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:21,112 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 229 treesize of output 191 [2020-12-23 06:33:21,119 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:33:21,120 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:33:21,121 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 06:33:21,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:33:21,127 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:33:21,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 06:33:21,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 06:33:21,138 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:33:21,526 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 06:33:21,530 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:21,930 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-23 06:33:21,931 INFO L348 Elim1Store]: treesize reduction 12, result has 86.2 percent of original size [2020-12-23 06:33:21,932 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 110 [2020-12-23 06:33:21,937 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:33:21,939 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:33:21,940 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:33:21,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 06:33:21,959 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:33:22,292 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-12-23 06:33:22,294 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:22,785 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-23 06:33:22,786 INFO L348 Elim1Store]: treesize reduction 20, result has 81.0 percent of original size [2020-12-23 06:33:22,787 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 206 treesize of output 170 [2020-12-23 06:33:22,793 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:33:22,794 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:33:22,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 06:33:22,798 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:33:22,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:33:22,806 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:33:23,131 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-23 06:33:23,133 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:23,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:33:23,187 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:23,187 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 31 [2020-12-23 06:33:23,200 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 06:33:23,520 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 06:33:23,522 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:33:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:33:23,779 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-23 06:33:23,781 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:23,781 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 221 treesize of output 208 [2020-12-23 06:33:23,789 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:33:23,794 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:33:23,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 06:33:23,796 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:33:23,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 06:33:23,800 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:33:23,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:33:23,805 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:33:23,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 06:33:23,808 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:33:23,809 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:33:23,811 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:33:23,813 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 06:33:23,817 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:33:24,061 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-23 06:33:24,062 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:24,843 WARN L197 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-12-23 06:33:24,845 INFO L348 Elim1Store]: treesize reduction 12, result has 91.0 percent of original size [2020-12-23 06:33:24,846 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 111 treesize of output 159 [2020-12-23 06:33:24,855 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:33:24,856 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:33:24,857 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 06:33:24,868 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:33:24,871 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:33:24,879 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 06:33:24,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 06:33:24,881 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:33:24,882 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:33:24,887 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:33:24,888 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 06:33:24,899 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 06:33:25,094 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-23 06:33:25,095 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:25,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:33:25,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:33:25,122 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:33:25,122 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:701, output treesize:11 [2020-12-23 06:33:25,234 INFO L382 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 15 treesize of output 7 [2020-12-23 06:33:25,236 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:33:25,243 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:33:25,244 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:33:25,244 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2020-12-23 06:33:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:33:25,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 06:33:25,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2020-12-23 06:33:25,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617614639] [2020-12-23 06:33:25,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-23 06:33:25,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:33:25,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-23 06:33:25,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=895, Unknown=10, NotChecked=0, Total=992 [2020-12-23 06:33:25,258 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 32 states. [2020-12-23 06:33:30,675 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-12-23 06:33:38,333 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-23 06:33:45,552 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-23 06:33:50,718 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-23 06:33:55,562 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-23 06:34:08,101 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2020-12-23 06:34:13,753 WARN L197 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 97 [2020-12-23 06:34:20,773 WARN L197 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 146 DAG size of output: 113 [2020-12-23 06:34:30,387 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-12-23 06:34:33,427 WARN L197 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-12-23 06:35:03,857 WARN L197 SmtUtils]: Spent 30.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2020-12-23 06:35:09,035 WARN L197 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-12-23 06:35:16,521 WARN L197 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2020-12-23 06:35:21,775 WARN L197 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-12-23 06:35:29,113 WARN L197 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2020-12-23 06:35:36,623 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-12-23 06:36:04,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:36:04,310 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2020-12-23 06:36:04,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 06:36:04,562 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 25 [2020-12-23 06:36:04,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:36:04,563 INFO L225 Difference]: With dead ends: 51 [2020-12-23 06:36:04,563 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 06:36:04,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 106.7s TimeCoverageRelationStatistics Valid=379, Invalid=2147, Unknown=24, NotChecked=0, Total=2550 [2020-12-23 06:36:04,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 06:36:04,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 29. [2020-12-23 06:36:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 06:36:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2020-12-23 06:36:04,573 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 25 [2020-12-23 06:36:04,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:36:04,573 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2020-12-23 06:36:04,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-23 06:36:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2020-12-23 06:36:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 06:36:04,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:36:04,575 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:36:04,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 06:36:04,789 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:36:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:36:04,790 INFO L82 PathProgramCache]: Analyzing trace with hash -654270331, now seen corresponding path program 1 times [2020-12-23 06:36:04,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:36:04,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460119558] [2020-12-23 06:36:04,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:36:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:36:05,953 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-12-23 06:36:06,202 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-23 06:36:06,480 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-23 06:36:06,757 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-23 06:36:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 06:36:07,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460119558] [2020-12-23 06:36:07,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477125357] [2020-12-23 06:36:07,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:36:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:36:07,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-23 06:36:07,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 06:36:07,595 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-23 06:36:07,603 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:07,675 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:07,679 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:07,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-23 06:36:08,237 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-23 06:36:08,241 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:08,242 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 28 [2020-12-23 06:36:08,252 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:08,502 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2020-12-23 06:36:08,506 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-12-23 06:36:08,510 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:08,511 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2020-12-23 06:36:09,545 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 06:36:09,549 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:09,550 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 39 [2020-12-23 06:36:09,556 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:09,573 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:09,695 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 06:36:09,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:09,704 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:09,705 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:22 [2020-12-23 06:36:10,124 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 06:36:10,603 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 06:36:11,063 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 06:36:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:11,225 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:11,225 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2020-12-23 06:36:11,231 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:11,259 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:11,429 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-23 06:36:11,433 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:11,439 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:11,439 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:36 [2020-12-23 06:36:11,900 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-23 06:36:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:12,266 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 14 [2020-12-23 06:36:12,270 INFO L348 Elim1Store]: treesize reduction 82, result has 18.8 percent of original size [2020-12-23 06:36:12,271 INFO L382 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 2 case distinctions, treesize of input 50 treesize of output 38 [2020-12-23 06:36:12,279 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:12,456 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-23 06:36:12,460 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:12,465 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:36:12,466 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:54 [2020-12-23 06:36:12,929 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-23 06:36:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:13,676 WARN L197 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-23 06:36:13,681 INFO L348 Elim1Store]: treesize reduction 12, result has 85.5 percent of original size [2020-12-23 06:36:13,682 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 105 [2020-12-23 06:36:13,690 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:14,405 WARN L197 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-23 06:36:14,408 INFO L625 ElimStorePlain]: treesize reduction 38, result has 67.0 percent of original size [2020-12-23 06:36:14,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:14,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:14,415 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:36:14,416 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:71, output treesize:77 [2020-12-23 06:36:14,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:14,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:15,009 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-23 06:36:15,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:15,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:15,031 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:36:15,032 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:36:15,033 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:36:15,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 06:36:15,053 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_28|], 56=[|v_#memory_$Pointer$.base_30|]} [2020-12-23 06:36:15,088 INFO L382 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 25 treesize of output 21 [2020-12-23 06:36:15,098 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:36:15,137 INFO L382 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 25 treesize of output 21 [2020-12-23 06:36:15,144 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:36:15,180 INFO L382 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 25 treesize of output 21 [2020-12-23 06:36:15,187 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:36:16,549 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 06:36:16,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:16,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:16,709 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:36:16,806 INFO L244 Elim1Store]: Index analysis took 223 ms [2020-12-23 06:36:17,663 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-23 06:36:17,667 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:17,668 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 152 [2020-12-23 06:36:17,676 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 06:36:17,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 06:36:17,681 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:17,790 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 06:36:17,813 INFO L244 Elim1Store]: Index analysis took 101 ms [2020-12-23 06:36:20,277 WARN L197 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-23 06:36:20,281 INFO L348 Elim1Store]: treesize reduction 12, result has 94.0 percent of original size [2020-12-23 06:36:20,281 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 77 treesize of output 222 [2020-12-23 06:36:20,290 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 06:36:20,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 06:36:20,298 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:21,220 WARN L197 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-23 06:36:21,223 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:21,224 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 152 [2020-12-23 06:36:21,231 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 06:36:21,232 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 06:36:21,238 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:23,045 WARN L197 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-23 06:36:23,049 INFO L625 ElimStorePlain]: treesize reduction 10, result has 95.7 percent of original size [2020-12-23 06:36:23,056 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2020-12-23 06:36:23,057 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:259, output treesize:223 [2020-12-23 06:36:24,408 WARN L197 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-23 06:36:24,431 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:36:24,443 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-12-23 06:36:24,444 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:36:24,489 INFO L443 ElimStorePlain]: Different costs {0=[v_prenex_24, v_prenex_21, |v_#memory_$Pointer$.offset_29|], 20=[|v_#memory_$Pointer$.base_31|, v_prenex_19], 30=[v_prenex_22]} [2020-12-23 06:36:24,569 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 06:36:24,579 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:25,511 WARN L197 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-12-23 06:36:25,515 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:25,591 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 06:36:25,599 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:26,404 WARN L197 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-12-23 06:36:26,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:26,466 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 06:36:26,473 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:27,264 WARN L197 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-12-23 06:36:27,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:29,157 WARN L197 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-12-23 06:36:29,162 INFO L348 Elim1Store]: treesize reduction 62, result has 67.7 percent of original size [2020-12-23 06:36:29,162 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 113 treesize of output 166 [2020-12-23 06:36:29,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:36:29,176 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 06:36:29,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 06:36:29,185 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:29,942 WARN L197 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-23 06:36:29,944 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 06:36:31,851 WARN L197 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-12-23 06:36:31,856 INFO L348 Elim1Store]: treesize reduction 62, result has 67.7 percent of original size [2020-12-23 06:36:31,856 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 113 treesize of output 166 [2020-12-23 06:36:31,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 06:36:31,866 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 06:36:31,867 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:31,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 06:36:31,870 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:31,878 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:32,702 WARN L197 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-23 06:36:32,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:35,594 WARN L197 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2020-12-23 06:36:35,598 INFO L348 Elim1Store]: treesize reduction 114, result has 61.6 percent of original size [2020-12-23 06:36:35,598 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 132 treesize of output 222 [2020-12-23 06:36:35,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 06:36:35,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,612 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 06:36:35,614 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,615 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,616 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,617 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,619 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,621 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,622 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,623 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,625 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,626 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,627 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:36:35,628 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,630 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,631 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,633 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,636 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,637 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,638 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,639 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,640 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,642 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,643 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,645 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,647 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,648 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,649 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,650 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,652 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,653 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,655 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,658 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 06:36:35,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,661 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,663 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,668 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,669 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,671 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 06:36:35,675 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,676 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,677 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,680 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,682 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,683 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,685 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,689 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 06:36:35,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 06:36:35,692 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,693 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,694 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,696 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,699 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,700 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,702 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:35,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,706 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,707 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,708 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,711 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,713 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,714 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,717 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,719 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 06:36:35,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,723 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,724 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,725 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,727 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,729 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,731 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,733 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 06:36:35,737 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,738 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,739 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,741 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,744 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,748 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,749 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,752 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,755 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,756 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,758 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 06:36:35,761 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,766 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 06:36:35,767 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,768 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,771 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,773 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 06:36:35,774 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,777 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 06:36:35,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 06:36:35,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 06:36:35,782 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 06:36:35,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 06:36:35,785 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 06:36:35,786 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,787 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 06:36:35,790 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,793 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 06:36:35,794 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 06:36:35,796 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 06:36:35,807 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 06:36:36,521 WARN L197 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-23 06:36:36,525 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:36,537 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2020-12-23 06:36:36,538 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:392, output treesize:317 [2020-12-23 06:36:37,706 WARN L197 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 06:36:37,735 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:36:37,745 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 06:36:37,818 INFO L382 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 110 treesize of output 86 [2020-12-23 06:36:37,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:37,859 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2020-12-23 06:36:37,866 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:37,897 INFO L382 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 110 treesize of output 86 [2020-12-23 06:36:37,905 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:38,700 WARN L197 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 06:36:38,703 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:38,717 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 11 dim-0 vars, and 3 xjuncts. [2020-12-23 06:36:38,718 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:359, output treesize:294 [2020-12-23 06:36:39,255 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-23 06:36:39,282 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 06:36:39,333 INFO L443 ElimStorePlain]: Different costs {12=[|#memory_$Pointer$.base|, v_prenex_32], 30=[v_prenex_30]} [2020-12-23 06:36:40,443 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-23 06:36:40,446 INFO L348 Elim1Store]: treesize reduction 12, result has 86.2 percent of original size [2020-12-23 06:36:40,447 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 107 [2020-12-23 06:36:40,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:40,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:36:40,456 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:40,476 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 06:36:40,499 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:41,072 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-23 06:36:41,076 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:42,165 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-23 06:36:42,169 INFO L348 Elim1Store]: treesize reduction 12, result has 86.2 percent of original size [2020-12-23 06:36:42,170 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 107 [2020-12-23 06:36:42,175 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:42,177 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:42,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 06:36:42,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 06:36:42,209 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:42,600 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-23 06:36:42,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:36:44,897 WARN L197 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-12-23 06:36:44,901 INFO L348 Elim1Store]: treesize reduction 44, result has 77.7 percent of original size [2020-12-23 06:36:44,901 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 93 treesize of output 183 [2020-12-23 06:36:44,914 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:44,915 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 06:36:44,916 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:36:44,917 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 06:36:44,918 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:44,919 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:44,931 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 06:36:44,932 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:44,933 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:44,942 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 06:36:44,944 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 06:36:44,945 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 06:36:44,945 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:44,946 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:44,958 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 06:36:44,959 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:44,959 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 06:36:44,970 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 06:36:44,986 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 06:36:45,775 WARN L197 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-23 06:36:45,779 INFO L625 ElimStorePlain]: treesize reduction 8, result has 83.7 percent of original size [2020-12-23 06:36:45,819 INFO L547 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:36:45,819 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 17 variables, input treesize:312, output treesize:4 [2020-12-23 06:36:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 06:36:45,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 06:36:45,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 25 [2020-12-23 06:36:45,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981219505] [2020-12-23 06:36:45,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 06:36:45,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:36:45,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 06:36:45,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2020-12-23 06:36:45,857 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 14 states. [2020-12-23 06:36:47,134 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-23 06:36:48,478 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-23 06:36:49,166 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-23 06:36:50,041 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 06:36:51,067 WARN L197 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 06:36:54,284 WARN L197 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-12-23 06:36:55,691 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 06:36:57,252 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 153 [2020-12-23 06:36:58,564 WARN L197 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-12-23 06:36:58,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:36:58,857 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2020-12-23 06:36:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 06:36:58,873 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2020-12-23 06:36:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:36:58,874 INFO L225 Difference]: With dead ends: 60 [2020-12-23 06:36:58,874 INFO L226 Difference]: Without dead ends: 39 [2020-12-23 06:36:58,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=197, Invalid=925, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 06:36:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-23 06:36:58,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2020-12-23 06:36:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-23 06:36:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-12-23 06:36:58,886 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 25 [2020-12-23 06:36:58,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:36:58,886 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-12-23 06:36:58,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 06:36:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-12-23 06:36:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 06:36:58,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:36:58,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:36:59,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 06:36:59,099 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:36:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:36:59,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1120737031, now seen corresponding path program 1 times [2020-12-23 06:36:59,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:36:59,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988341071] [2020-12-23 06:36:59,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:36:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:36:59,835 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-23 06:37:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 06:37:00,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988341071] [2020-12-23 06:37:00,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:37:00,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 06:37:00,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295395029] [2020-12-23 06:37:00,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 06:37:00,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:37:00,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 06:37:00,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 06:37:00,165 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 9 states. [2020-12-23 06:37:01,581 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-23 06:37:02,114 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-23 06:37:02,599 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-12-23 06:37:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:37:02,805 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2020-12-23 06:37:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 06:37:02,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 06:37:02,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:37:02,820 INFO L225 Difference]: With dead ends: 39 [2020-12-23 06:37:02,820 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 06:37:02,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-12-23 06:37:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 06:37:02,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-23 06:37:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 06:37:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-12-23 06:37:02,829 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2020-12-23 06:37:02,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:37:02,829 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-12-23 06:37:02,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 06:37:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-23 06:37:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 06:37:02,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:37:02,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:37:02,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 06:37:02,831 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:37:02,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:37:02,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1686919286, now seen corresponding path program 1 times [2020-12-23 06:37:02,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:37:02,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736720178] [2020-12-23 06:37:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:37:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:37:03,349 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-23 06:37:03,554 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-23 06:37:03,773 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-23 06:37:04,065 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-23 06:37:04,499 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-23 06:37:04,844 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-23 06:37:05,199 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-23 06:37:05,647 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-23 06:37:06,402 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-23 06:37:06,880 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-23 06:37:07,968 WARN L197 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-23 06:37:08,505 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-23 06:37:09,300 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-23 06:37:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:37:10,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736720178] [2020-12-23 06:37:10,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074623967] [2020-12-23 06:37:10,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:37:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:37:10,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 98 conjunts are in the unsatisfiable core [2020-12-23 06:37:10,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 06:37:11,038 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-12-23 06:37:11,047 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:37:11,143 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:37:11,147 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:37:11,148 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2020-12-23 06:37:11,502 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-23 06:37:11,507 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:37:11,507 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 39 [2020-12-23 06:37:11,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 06:37:11,527 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 06:37:11,662 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-23 06:37:11,665 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 06:37:11,668 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 06:37:11,668 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:26