/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/array-crafted/zero_sum_const_m3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 00:48:46,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 00:48:46,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 00:48:47,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 00:48:47,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 00:48:47,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 00:48:47,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 00:48:47,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 00:48:47,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 00:48:47,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 00:48:47,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 00:48:47,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 00:48:47,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 00:48:47,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 00:48:47,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 00:48:47,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 00:48:47,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 00:48:47,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 00:48:47,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 00:48:47,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 00:48:47,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 00:48:47,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 00:48:47,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 00:48:47,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 00:48:47,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 00:48:47,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 00:48:47,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 00:48:47,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 00:48:47,126 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 00:48:47,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 00:48:47,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 00:48:47,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 00:48:47,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 00:48:47,194 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 00:48:47,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 00:48:47,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 00:48:47,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 00:48:47,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 00:48:47,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 00:48:47,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 00:48:47,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 00:48:47,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 00:48:47,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 00:48:47,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 00:48:47,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 00:48:47,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 00:48:47,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 00:48:47,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 00:48:47,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 00:48:47,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 00:48:47,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 00:48:47,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 00:48:47,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 00:48:47,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 00:48:47,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 00:48:47,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 00:48:47,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 00:48:47,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 00:48:47,743 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 00:48:47,744 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 00:48:47,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_const_m3.c [2020-12-23 00:48:47,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/43af3f0bf/4f0bc3ca7c0646d88d477e6cbce8aa1a/FLAG93430d53c [2020-12-23 00:48:48,421 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 00:48:48,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_const_m3.c [2020-12-23 00:48:48,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/43af3f0bf/4f0bc3ca7c0646d88d477e6cbce8aa1a/FLAG93430d53c [2020-12-23 00:48:48,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/43af3f0bf/4f0bc3ca7c0646d88d477e6cbce8aa1a [2020-12-23 00:48:48,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 00:48:48,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 00:48:48,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 00:48:48,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 00:48:48,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 00:48:48,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:48:48" (1/1) ... [2020-12-23 00:48:48,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b86991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:48, skipping insertion in model container [2020-12-23 00:48:48,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:48:48" (1/1) ... [2020-12-23 00:48:48,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 00:48:48,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 00:48:49,005 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/array-crafted/zero_sum_const_m3.c[408,421] left hand side expression in assignment: lhs: VariableLHS[~SIZE~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] [2020-12-23 00:48:49,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 00:48:49,047 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 00:48:49,063 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/array-crafted/zero_sum_const_m3.c[408,421] left hand side expression in assignment: lhs: VariableLHS[~SIZE~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~sum~0,] [2020-12-23 00:48:49,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 00:48:49,096 INFO L208 MainTranslator]: Completed translation [2020-12-23 00:48:49,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49 WrapperNode [2020-12-23 00:48:49,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 00:48:49,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 00:48:49,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 00:48:49,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 00:48:49,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 00:48:49,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 00:48:49,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 00:48:49,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 00:48:49,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (1/1) ... [2020-12-23 00:48:49,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 00:48:49,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 00:48:49,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 00:48:49,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 00:48:49,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (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 00:48:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 00:48:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 00:48:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 00:48:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 00:48:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 00:48:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 00:48:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 00:48:49,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 00:48:49,747 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-23 00:48:49,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:48:49 BoogieIcfgContainer [2020-12-23 00:48:49,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 00:48:49,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 00:48:49,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 00:48:49,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 00:48:49,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:48:48" (1/3) ... [2020-12-23 00:48:49,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15659184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:48:49, skipping insertion in model container [2020-12-23 00:48:49,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:49" (2/3) ... [2020-12-23 00:48:49,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15659184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:48:49, skipping insertion in model container [2020-12-23 00:48:49,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:48:49" (3/3) ... [2020-12-23 00:48:49,758 INFO L111 eAbstractionObserver]: Analyzing ICFG zero_sum_const_m3.c [2020-12-23 00:48:49,765 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 00:48:49,770 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 00:48:49,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 00:48:49,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 00:48:49,885 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 00:48:49,887 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 00:48:49,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 00:48:49,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 00:48:49,888 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 00:48:49,888 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 00:48:49,888 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 00:48:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-12-23 00:48:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 00:48:49,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:48:49,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:48:49,937 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:48:49,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:48:49,947 INFO L82 PathProgramCache]: Analyzing trace with hash 534528496, now seen corresponding path program 1 times [2020-12-23 00:48:49,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:48:49,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316593559] [2020-12-23 00:48:49,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:48:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:50,269 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 00:48:50,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316593559] [2020-12-23 00:48:50,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:48:50,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 00:48:50,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906360141] [2020-12-23 00:48:50,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 00:48:50,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:48:50,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 00:48:50,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 00:48:50,315 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-12-23 00:48:50,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:48:50,348 INFO L93 Difference]: Finished difference Result 57 states and 84 transitions. [2020-12-23 00:48:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 00:48:50,350 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 00:48:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:48:50,371 INFO L225 Difference]: With dead ends: 57 [2020-12-23 00:48:50,371 INFO L226 Difference]: Without dead ends: 27 [2020-12-23 00:48:50,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 00:48:50,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-23 00:48:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-23 00:48:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-23 00:48:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2020-12-23 00:48:50,444 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 19 [2020-12-23 00:48:50,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:48:50,445 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2020-12-23 00:48:50,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 00:48:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2020-12-23 00:48:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 00:48:50,448 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:48:50,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:48:50,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 00:48:50,451 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:48:50,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:48:50,456 INFO L82 PathProgramCache]: Analyzing trace with hash -697412484, now seen corresponding path program 1 times [2020-12-23 00:48:50,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:48:50,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677323829] [2020-12-23 00:48:50,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:48:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:50,591 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 00:48:50,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677323829] [2020-12-23 00:48:50,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:48:50,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 00:48:50,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971026455] [2020-12-23 00:48:50,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 00:48:50,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:48:50,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 00:48:50,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 00:48:50,597 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 3 states. [2020-12-23 00:48:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:48:50,672 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-12-23 00:48:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 00:48:50,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 00:48:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:48:50,673 INFO L225 Difference]: With dead ends: 51 [2020-12-23 00:48:50,673 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 00:48:50,675 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 00:48:50,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 00:48:50,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2020-12-23 00:48:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-23 00:48:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2020-12-23 00:48:50,682 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 19 [2020-12-23 00:48:50,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:48:50,682 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-12-23 00:48:50,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 00:48:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2020-12-23 00:48:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 00:48:50,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:48:50,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:48:50,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 00:48:50,684 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:48:50,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:48:50,685 INFO L82 PathProgramCache]: Analyzing trace with hash -506383970, now seen corresponding path program 1 times [2020-12-23 00:48:50,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:48:50,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796171155] [2020-12-23 00:48:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:48:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 00:48:50,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796171155] [2020-12-23 00:48:50,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:48:50,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 00:48:50,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393685078] [2020-12-23 00:48:50,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 00:48:50,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:48:50,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 00:48:50,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 00:48:50,772 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 4 states. [2020-12-23 00:48:50,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:48:50,948 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2020-12-23 00:48:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 00:48:50,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-12-23 00:48:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:48:50,952 INFO L225 Difference]: With dead ends: 60 [2020-12-23 00:48:50,952 INFO L226 Difference]: Without dead ends: 41 [2020-12-23 00:48:50,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 00:48:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-23 00:48:50,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2020-12-23 00:48:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-23 00:48:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2020-12-23 00:48:50,968 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 21 [2020-12-23 00:48:50,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:48:50,969 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2020-12-23 00:48:50,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 00:48:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2020-12-23 00:48:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 00:48:50,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:48:50,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:48:50,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 00:48:50,973 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:48:50,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:48:50,976 INFO L82 PathProgramCache]: Analyzing trace with hash 615846698, now seen corresponding path program 1 times [2020-12-23 00:48:50,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:48:50,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547824757] [2020-12-23 00:48:50,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:48:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 00:48:51,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547824757] [2020-12-23 00:48:51,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953936290] [2020-12-23 00:48:51,124 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 00:48:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:51,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 00:48:51,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:48:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 00:48:51,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:48:51,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-23 00:48:51,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904861747] [2020-12-23 00:48:51,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 00:48:51,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:48:51,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 00:48:51,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 00:48:51,311 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand 6 states. [2020-12-23 00:48:51,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:48:51,406 INFO L93 Difference]: Finished difference Result 65 states and 77 transitions. [2020-12-23 00:48:51,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 00:48:51,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-23 00:48:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:48:51,408 INFO L225 Difference]: With dead ends: 65 [2020-12-23 00:48:51,408 INFO L226 Difference]: Without dead ends: 37 [2020-12-23 00:48:51,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 00:48:51,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-23 00:48:51,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-12-23 00:48:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-23 00:48:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2020-12-23 00:48:51,416 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 33 [2020-12-23 00:48:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:48:51,417 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2020-12-23 00:48:51,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 00:48:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2020-12-23 00:48:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 00:48:51,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:48:51,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:48:51,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:48:51,633 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:48:51,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:48:51,636 INFO L82 PathProgramCache]: Analyzing trace with hash -160084788, now seen corresponding path program 2 times [2020-12-23 00:48:51,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:48:51,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224496293] [2020-12-23 00:48:51,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:48:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 00:48:51,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224496293] [2020-12-23 00:48:51,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599219227] [2020-12-23 00:48:51,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 00:48:51,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 00:48:51,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:48:51,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 00:48:51,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:48:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 00:48:51,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:48:51,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 00:48:51,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854324914] [2020-12-23 00:48:51,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 00:48:51,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:48:51,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 00:48:51,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-23 00:48:51,921 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 7 states. [2020-12-23 00:48:52,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:48:52,058 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2020-12-23 00:48:52,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 00:48:52,059 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-23 00:48:52,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:48:52,060 INFO L225 Difference]: With dead ends: 79 [2020-12-23 00:48:52,060 INFO L226 Difference]: Without dead ends: 55 [2020-12-23 00:48:52,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-12-23 00:48:52,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-23 00:48:52,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2020-12-23 00:48:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-23 00:48:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2020-12-23 00:48:52,069 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 35 [2020-12-23 00:48:52,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:48:52,069 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2020-12-23 00:48:52,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 00:48:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2020-12-23 00:48:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 00:48:52,071 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:48:52,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:48:52,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:48:52,287 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:48:52,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:48:52,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1337652904, now seen corresponding path program 3 times [2020-12-23 00:48:52,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:48:52,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155772989] [2020-12-23 00:48:52,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:48:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:48:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:48:54,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155772989] [2020-12-23 00:48:54,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247356434] [2020-12-23 00:48:54,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 00:48:54,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-23 00:48:54,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:48:54,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 68 conjunts are in the unsatisfiable core [2020-12-23 00:48:54,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:48:59,805 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:48:59,806 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2020-12-23 00:48:59,809 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2020-12-23 00:48:59,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:48:59,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:48:59,828 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:48:59,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:31 [2020-12-23 00:49:00,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:00,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:00,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:00,217 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:49:00,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:49:00,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 39] total 66 [2020-12-23 00:49:00,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824899711] [2020-12-23 00:49:00,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-12-23 00:49:00,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:49:00,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-12-23 00:49:00,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=4082, Unknown=0, NotChecked=0, Total=4290 [2020-12-23 00:49:00,352 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 66 states. [2020-12-23 00:49:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:49:10,858 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2020-12-23 00:49:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-12-23 00:49:10,859 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 47 [2020-12-23 00:49:10,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:49:10,862 INFO L225 Difference]: With dead ends: 131 [2020-12-23 00:49:10,863 INFO L226 Difference]: Without dead ends: 125 [2020-12-23 00:49:10,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 11 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1810 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=441, Invalid=8679, Unknown=0, NotChecked=0, Total=9120 [2020-12-23 00:49:10,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-23 00:49:10,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 77. [2020-12-23 00:49:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-23 00:49:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-12-23 00:49:10,904 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 47 [2020-12-23 00:49:10,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:49:10,906 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-12-23 00:49:10,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-12-23 00:49:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-12-23 00:49:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 00:49:10,908 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:49:10,908 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:49:11,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:49:11,110 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:49:11,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:49:11,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1235984134, now seen corresponding path program 4 times [2020-12-23 00:49:11,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:49:11,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448351934] [2020-12-23 00:49:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:49:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:49:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-23 00:49:11,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448351934] [2020-12-23 00:49:11,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734513625] [2020-12-23 00:49:11,254 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 00:49:11,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 00:49:11,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:49:11,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 00:49:11,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:49:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-23 00:49:11,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:49:11,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-12-23 00:49:11,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327823863] [2020-12-23 00:49:11,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 00:49:11,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:49:11,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 00:49:11,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-12-23 00:49:11,464 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 13 states. [2020-12-23 00:49:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:49:11,863 INFO L93 Difference]: Finished difference Result 177 states and 202 transitions. [2020-12-23 00:49:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 00:49:11,864 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2020-12-23 00:49:11,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:49:11,865 INFO L225 Difference]: With dead ends: 177 [2020-12-23 00:49:11,866 INFO L226 Difference]: Without dead ends: 104 [2020-12-23 00:49:11,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-12-23 00:49:11,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-23 00:49:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 84. [2020-12-23 00:49:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-23 00:49:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2020-12-23 00:49:11,877 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 49 [2020-12-23 00:49:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:49:11,878 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2020-12-23 00:49:11,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 00:49:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2020-12-23 00:49:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 00:49:11,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:49:11,879 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:49:12,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:49:12,094 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:49:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:49:12,095 INFO L82 PathProgramCache]: Analyzing trace with hash -925733540, now seen corresponding path program 5 times [2020-12-23 00:49:12,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:49:12,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712410342] [2020-12-23 00:49:12,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:49:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:49:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-23 00:49:12,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712410342] [2020-12-23 00:49:12,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318254115] [2020-12-23 00:49:12,234 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:49:12,354 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-23 00:49:12,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:49:12,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 00:49:12,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:49:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-23 00:49:12,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:49:12,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-12-23 00:49:12,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261984019] [2020-12-23 00:49:12,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 00:49:12,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:49:12,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 00:49:12,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-12-23 00:49:12,480 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand 13 states. [2020-12-23 00:49:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:49:12,895 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-12-23 00:49:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 00:49:12,896 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 51 [2020-12-23 00:49:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:49:12,897 INFO L225 Difference]: With dead ends: 96 [2020-12-23 00:49:12,897 INFO L226 Difference]: Without dead ends: 68 [2020-12-23 00:49:12,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-12-23 00:49:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-23 00:49:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2020-12-23 00:49:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-23 00:49:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2020-12-23 00:49:12,921 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 51 [2020-12-23 00:49:12,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:49:12,926 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2020-12-23 00:49:12,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 00:49:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2020-12-23 00:49:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 00:49:12,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:49:12,927 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:49:13,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:49:13,145 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:49:13,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:49:13,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1781065978, now seen corresponding path program 6 times [2020-12-23 00:49:13,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:49:13,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568420547] [2020-12-23 00:49:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:49:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:49:15,014 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 00:49:15,231 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 00:49:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:49:19,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568420547] [2020-12-23 00:49:19,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672344082] [2020-12-23 00:49:19,042 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:49:19,127 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-12-23 00:49:19,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:49:19,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 91 conjunts are in the unsatisfiable core [2020-12-23 00:49:19,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:49:19,346 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 15 treesize of output 11 [2020-12-23 00:49:19,346 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:49:19,361 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:49:19,363 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:49:19,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2020-12-23 00:49:19,608 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2020-12-23 00:49:19,609 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 00:49:19,611 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:49:19,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:49:19,621 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:49:19,622 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2020-12-23 00:49:26,862 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2020-12-23 00:49:26,864 INFO L348 Elim1Store]: treesize reduction 46, result has 80.1 percent of original size [2020-12-23 00:49:26,864 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 205 [2020-12-23 00:49:26,874 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 1] term [2020-12-23 00:49:26,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:49:26,876 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 1] term [2020-12-23 00:49:26,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:49:26,877 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-12-23 00:49:26,877 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,878 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-12-23 00:49:26,879 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,879 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 00:49:26,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,880 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:26,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,881 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:26,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,888 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,890 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,890 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,891 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,896 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,907 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:26,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,913 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,916 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,918 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,920 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,921 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,922 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,931 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,934 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,935 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,937 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,938 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,941 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,943 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,946 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,946 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,950 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,952 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,953 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,954 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,956 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,958 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,960 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,963 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,968 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:26,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,970 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:26,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,972 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,973 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,978 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,980 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:26,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,992 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:26,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:26,994 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,995 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:26,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:26,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:26,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,003 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,004 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,010 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,012 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,014 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,025 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,026 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,027 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,032 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,033 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,034 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,035 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,049 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,051 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,055 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,062 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,077 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,089 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,094 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,096 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,099 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,099 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,101 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,105 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,106 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,111 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,111 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,112 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,113 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,115 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,121 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,129 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,130 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,133 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,142 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,146 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,148 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,149 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,154 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 00:49:27,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,155 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,156 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,160 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,161 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 00:49:27,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,162 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,163 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,163 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,166 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,167 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,178 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,181 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,184 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,186 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,187 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,188 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,199 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,205 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,216 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,217 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,225 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,227 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,229 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,232 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,232 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,234 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,235 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,269 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,271 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,273 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,284 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,287 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,289 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,292 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,294 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:49:27,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,300 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,308 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,310 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,315 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,322 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,331 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 00:49:27,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,332 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,332 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,333 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,336 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,339 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-12-23 00:49:27,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,340 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 00:49:27,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,341 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,342 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,345 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,365 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 00:49:27,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:49:27,369 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,377 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,377 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,378 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,381 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,382 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,384 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,384 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,388 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 3, 1] term [2020-12-23 00:49:27,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,392 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,393 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,394 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,398 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,398 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:49:27,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,407 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,408 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,409 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,411 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,412 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,420 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 3, 1] term [2020-12-23 00:49:27,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:49:27,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:49:27,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:49:27,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:49:27,426 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:49:27,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,427 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:49:27,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:27,506 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2020-12-23 00:49:27,871 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 20 [2020-12-23 00:49:27,872 INFO L625 ElimStorePlain]: treesize reduction 2500, result has 1.1 percent of original size [2020-12-23 00:49:27,874 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:27,876 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:49:27,876 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:93, output treesize:31 [2020-12-23 00:49:28,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:28,352 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:28,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:49:28,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:49:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:49:28,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:49:28,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 46] total 96 [2020-12-23 00:49:28,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254403442] [2020-12-23 00:49:28,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 96 states [2020-12-23 00:49:28,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:49:28,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2020-12-23 00:49:28,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=8783, Unknown=0, NotChecked=0, Total=9120 [2020-12-23 00:49:28,660 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand 96 states. [2020-12-23 00:49:30,802 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 35 [2020-12-23 00:49:31,191 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-12-23 00:49:31,661 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2020-12-23 00:49:32,354 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2020-12-23 00:49:33,070 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2020-12-23 00:49:33,497 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 33 [2020-12-23 00:49:34,152 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 37 [2020-12-23 00:49:34,798 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2020-12-23 00:49:35,088 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 28 [2020-12-23 00:49:35,566 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2020-12-23 00:49:35,910 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-23 00:49:36,327 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 43 [2020-12-23 00:49:37,049 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2020-12-23 00:49:37,675 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2020-12-23 00:49:38,800 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2020-12-23 00:49:39,504 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2020-12-23 00:49:39,958 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2020-12-23 00:49:40,354 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2020-12-23 00:49:41,117 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 42 [2020-12-23 00:49:41,625 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2020-12-23 00:49:42,052 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-12-23 00:49:42,571 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2020-12-23 00:49:42,864 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 12 [2020-12-23 00:49:43,696 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 12 [2020-12-23 00:49:45,431 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2020-12-23 00:49:46,249 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2020-12-23 00:49:46,634 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2020-12-23 00:49:47,091 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 49 [2020-12-23 00:49:47,516 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-12-23 00:49:48,970 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2020-12-23 00:49:50,109 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-12-23 00:49:50,839 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 40 [2020-12-23 00:49:51,333 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2020-12-23 00:49:51,743 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2020-12-23 00:49:53,183 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2020-12-23 00:49:53,605 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2020-12-23 00:49:54,203 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2020-12-23 00:49:54,765 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-12-23 00:49:55,245 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2020-12-23 00:49:55,618 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2020-12-23 00:49:56,037 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2020-12-23 00:49:56,754 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-12-23 00:49:57,324 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2020-12-23 00:49:57,727 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 38 [2020-12-23 00:49:58,533 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2020-12-23 00:49:59,021 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2020-12-23 00:49:59,922 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2020-12-23 00:50:00,439 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2020-12-23 00:50:01,608 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-12-23 00:50:02,327 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2020-12-23 00:50:02,928 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 47 [2020-12-23 00:50:03,491 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 49 [2020-12-23 00:50:04,137 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2020-12-23 00:50:05,814 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2020-12-23 00:50:06,459 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2020-12-23 00:50:07,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:50:07,163 INFO L93 Difference]: Finished difference Result 263 states and 295 transitions. [2020-12-23 00:50:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2020-12-23 00:50:07,164 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 61 [2020-12-23 00:50:07,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:50:07,167 INFO L225 Difference]: With dead ends: 263 [2020-12-23 00:50:07,167 INFO L226 Difference]: Without dead ends: 215 [2020-12-23 00:50:07,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8620 ImplicationChecksByTransitivity, 39.5s TimeCoverageRelationStatistics Valid=2154, Invalid=31886, Unknown=0, NotChecked=0, Total=34040 [2020-12-23 00:50:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-23 00:50:07,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 142. [2020-12-23 00:50:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-12-23 00:50:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 159 transitions. [2020-12-23 00:50:07,199 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 159 transitions. Word has length 61 [2020-12-23 00:50:07,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:50:07,199 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 159 transitions. [2020-12-23 00:50:07,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 96 states. [2020-12-23 00:50:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2020-12-23 00:50:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 00:50:07,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:50:07,201 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:50:07,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:50:07,403 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:50:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:50:07,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2140781352, now seen corresponding path program 7 times [2020-12-23 00:50:07,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:50:07,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722537178] [2020-12-23 00:50:07,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:50:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:50:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-23 00:50:07,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722537178] [2020-12-23 00:50:07,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578110514] [2020-12-23 00:50:07,524 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:50:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:50:07,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 00:50:07,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:50:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-23 00:50:07,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:50:07,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2020-12-23 00:50:07,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052339243] [2020-12-23 00:50:07,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 00:50:07,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:50:07,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 00:50:07,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-12-23 00:50:07,797 INFO L87 Difference]: Start difference. First operand 142 states and 159 transitions. Second operand 16 states. [2020-12-23 00:50:08,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:50:08,433 INFO L93 Difference]: Finished difference Result 244 states and 271 transitions. [2020-12-23 00:50:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 00:50:08,434 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2020-12-23 00:50:08,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:50:08,436 INFO L225 Difference]: With dead ends: 244 [2020-12-23 00:50:08,436 INFO L226 Difference]: Without dead ends: 87 [2020-12-23 00:50:08,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-12-23 00:50:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-23 00:50:08,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 74. [2020-12-23 00:50:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-23 00:50:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2020-12-23 00:50:08,445 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 63 [2020-12-23 00:50:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:50:08,445 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2020-12-23 00:50:08,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 00:50:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2020-12-23 00:50:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 00:50:08,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:50:08,447 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:50:08,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 00:50:08,665 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:50:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:50:08,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1918257938, now seen corresponding path program 8 times [2020-12-23 00:50:08,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:50:08,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22584441] [2020-12-23 00:50:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:50:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:50:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-23 00:50:08,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22584441] [2020-12-23 00:50:08,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510300825] [2020-12-23 00:50:08,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:50:08,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 00:50:08,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:50:08,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 00:50:08,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:50:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-23 00:50:09,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:50:09,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2020-12-23 00:50:09,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460218477] [2020-12-23 00:50:09,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 00:50:09,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:50:09,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 00:50:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-12-23 00:50:09,173 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 16 states. [2020-12-23 00:50:09,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:50:09,750 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2020-12-23 00:50:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 00:50:09,752 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2020-12-23 00:50:09,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:50:09,753 INFO L225 Difference]: With dead ends: 86 [2020-12-23 00:50:09,753 INFO L226 Difference]: Without dead ends: 82 [2020-12-23 00:50:09,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-12-23 00:50:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-12-23 00:50:09,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2020-12-23 00:50:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-23 00:50:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2020-12-23 00:50:09,762 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 73 [2020-12-23 00:50:09,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:50:09,762 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2020-12-23 00:50:09,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 00:50:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2020-12-23 00:50:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 00:50:09,763 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:50:09,763 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:50:09,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 00:50:09,979 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:50:09,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:50:09,980 INFO L82 PathProgramCache]: Analyzing trace with hash 958143540, now seen corresponding path program 9 times [2020-12-23 00:50:09,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:50:09,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780237229] [2020-12-23 00:50:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:50:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:50:11,551 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2020-12-23 00:50:11,733 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2020-12-23 00:50:11,918 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2020-12-23 00:50:12,078 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-12-23 00:50:13,086 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-12-23 00:50:13,301 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-12-23 00:50:13,511 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-12-23 00:50:13,713 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 00:50:13,920 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 00:50:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:50:20,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780237229] [2020-12-23 00:50:20,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168295957] [2020-12-23 00:50:20,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:50:21,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-23 00:50:21,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:50:21,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 120 conjunts are in the unsatisfiable core [2020-12-23 00:50:21,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:50:21,368 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 15 treesize of output 11 [2020-12-23 00:50:21,370 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:50:21,383 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:50:21,384 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:50:21,385 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2020-12-23 00:50:46,109 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-23 00:50:46,110 INFO L348 Elim1Store]: treesize reduction 34, result has 79.9 percent of original size [2020-12-23 00:50:46,111 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 97 treesize of output 155 [2020-12-23 00:50:46,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,121 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,122 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:50:46,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,135 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,140 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 00:50:46,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,141 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:50:46,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,149 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 00:50:46,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:50:46,151 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,155 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 00:50:46,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,161 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 00:50:46,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,163 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,170 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,182 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 00:50:46,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,183 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 00:50:46,187 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,190 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 00:50:46,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,193 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 00:50:46,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:50:46,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,199 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,203 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:50:46,203 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:50:46,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,219 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 5 xjuncts. [2020-12-23 00:50:46,370 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 25 [2020-12-23 00:50:46,371 INFO L625 ElimStorePlain]: treesize reduction 347, result has 9.9 percent of original size [2020-12-23 00:50:46,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:46,378 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:50:46,378 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:116, output treesize:24 [2020-12-23 00:50:46,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:47,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:50:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 5 proven. 103 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-23 00:50:47,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:50:47,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 57] total 121 [2020-12-23 00:50:47,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912317439] [2020-12-23 00:50:47,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 121 states [2020-12-23 00:50:47,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:50:47,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2020-12-23 00:50:47,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=14070, Unknown=0, NotChecked=0, Total=14520 [2020-12-23 00:50:47,748 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 121 states. [2020-12-23 00:50:52,639 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-12-23 00:50:53,477 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-12-23 00:50:54,353 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2020-12-23 00:50:55,349 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-12-23 00:50:56,314 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 45 [2020-12-23 00:50:57,683 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-12-23 00:50:58,447 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-12-23 00:50:59,131 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2020-12-23 00:50:59,754 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2020-12-23 00:51:00,544 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2020-12-23 00:51:03,573 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-12-23 00:51:05,164 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2020-12-23 00:51:06,772 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2020-12-23 00:51:07,423 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-12-23 00:51:08,466 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2020-12-23 00:51:09,027 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-23 00:51:10,215 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 58 [2020-12-23 00:51:10,862 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-12-23 00:51:11,972 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-12-23 00:51:13,624 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2020-12-23 00:51:14,574 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 48 [2020-12-23 00:51:15,807 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-12-23 00:51:16,525 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 11 [2020-12-23 00:51:19,075 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2020-12-23 00:51:21,505 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2020-12-23 00:51:22,106 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 9 [2020-12-23 00:51:25,236 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2020-12-23 00:51:27,051 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-12-23 00:51:27,965 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2020-12-23 00:51:29,158 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2020-12-23 00:51:29,792 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 12 [2020-12-23 00:51:31,562 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2020-12-23 00:51:32,203 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 12 [2020-12-23 00:51:33,279 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2020-12-23 00:51:34,834 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2020-12-23 00:51:35,460 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 11 [2020-12-23 00:51:38,301 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 84 [2020-12-23 00:51:39,311 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-12-23 00:51:41,210 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2020-12-23 00:51:41,948 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2020-12-23 00:51:42,973 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-12-23 00:51:44,132 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 43 [2020-12-23 00:51:45,634 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2020-12-23 00:51:47,845 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2020-12-23 00:51:48,975 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2020-12-23 00:51:49,554 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 7 [2020-12-23 00:51:51,412 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2020-12-23 00:51:53,818 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2020-12-23 00:51:55,726 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-12-23 00:51:58,173 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2020-12-23 00:51:59,577 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2020-12-23 00:52:01,704 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-23 00:52:04,643 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2020-12-23 00:52:08,895 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 85 [2020-12-23 00:52:12,309 WARN L197 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 93 [2020-12-23 00:52:15,356 WARN L197 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2020-12-23 00:52:16,687 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 39 [2020-12-23 00:52:17,800 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 00:52:19,710 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2020-12-23 00:52:21,261 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2020-12-23 00:52:23,679 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 90 [2020-12-23 00:52:25,264 WARN L197 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2020-12-23 00:52:26,728 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 00:52:29,177 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-23 00:52:30,659 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 49 [2020-12-23 00:52:35,157 WARN L197 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2020-12-23 00:52:36,767 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2020-12-23 00:52:41,529 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2020-12-23 00:52:43,144 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2020-12-23 00:52:47,416 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 155 DAG size of output: 89 [2020-12-23 00:52:50,105 WARN L197 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2020-12-23 00:52:51,661 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-23 00:52:53,345 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 50 [2020-12-23 00:52:55,027 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2020-12-23 00:52:56,766 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-12-23 00:52:58,772 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2020-12-23 00:53:02,004 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83