/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-178dd20 [2021-01-06 10:42:37,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 10:42:37,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 10:42:37,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 10:42:37,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 10:42:37,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 10:42:37,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 10:42:37,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 10:42:37,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 10:42:37,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 10:42:37,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 10:42:37,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-01-06 10:42:37,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 10:42:37,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 10:42:37,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 10:42:38,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 10:42:38,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 10:42:38,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 10:42:38,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 10:42:38,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 10:42:38,032 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 10:42:38,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 10:42:38,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 10:42:38,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 10:42:38,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 10:42:38,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 10:42:38,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 10:42:38,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 10:42:38,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 10:42:38,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 10:42:38,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 10:42:38,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 10:42:38,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 10:42:38,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 10:42:38,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 10:42:38,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 10:42:38,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 10:42:38,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 10:42:38,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 10:42:38,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 10:42:38,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 10:42:38,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 10:42:38,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 10:42:38,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 10:42:38,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 10:42:38,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 10:42:38,457 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 10:42:38,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_const_m3.c [2021-01-06 10:42:38,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c6933b901/f8e009e155e94adbb2cc598f61a9ba88/FLAGb9cc9e08f [2021-01-06 10:42:39,369 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 10:42:39,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_const_m3.c [2021-01-06 10:42:39,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c6933b901/f8e009e155e94adbb2cc598f61a9ba88/FLAGb9cc9e08f [2021-01-06 10:42:39,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c6933b901/f8e009e155e94adbb2cc598f61a9ba88 [2021-01-06 10:42:39,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 10:42:39,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 10:42:39,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 10:42:39,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 10:42:39,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 10:42:39,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 10:42:39" (1/1) ... [2021-01-06 10:42:39,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e74340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:39, skipping insertion in model container [2021-01-06 10:42:39,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 10:42:39" (1/1) ... [2021-01-06 10:42:39,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 10:42:39,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 10:42:39,924 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,] [2021-01-06 10:42:39,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 10:42:39,963 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 10:42:39,978 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,] [2021-01-06 10:42:39,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 10:42:40,006 INFO L208 MainTranslator]: Completed translation [2021-01-06 10:42:40,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40 WrapperNode [2021-01-06 10:42:40,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 10:42:40,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 10:42:40,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 10:42:40,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 10:42:40,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 10:42:40,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 10:42:40,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 10:42:40,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 10:42:40,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (1/1) ... [2021-01-06 10:42:40,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 10:42:40,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 10:42:40,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 10:42:40,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 10:42:40,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (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 [2021-01-06 10:42:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 10:42:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 10:42:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 10:42:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-06 10:42:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 10:42:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 10:42:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 10:42:40,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 10:42:40,770 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-01-06 10:42:40,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 10:42:40 BoogieIcfgContainer [2021-01-06 10:42:40,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 10:42:40,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 10:42:40,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 10:42:40,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 10:42:40,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 10:42:39" (1/3) ... [2021-01-06 10:42:40,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524ee361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 10:42:40, skipping insertion in model container [2021-01-06 10:42:40,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 10:42:40" (2/3) ... [2021-01-06 10:42:40,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524ee361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 10:42:40, skipping insertion in model container [2021-01-06 10:42:40,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 10:42:40" (3/3) ... [2021-01-06 10:42:40,795 INFO L111 eAbstractionObserver]: Analyzing ICFG zero_sum_const_m3.c [2021-01-06 10:42:40,803 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 10:42:40,809 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 10:42:40,832 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 10:42:40,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 10:42:40,882 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 10:42:40,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 10:42:40,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 10:42:40,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 10:42:40,883 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 10:42:40,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 10:42:40,883 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 10:42:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2021-01-06 10:42:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 10:42:40,917 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:42:40,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 10:42:40,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:42:40,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:42:40,931 INFO L82 PathProgramCache]: Analyzing trace with hash 534528496, now seen corresponding path program 1 times [2021-01-06 10:42:40,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:42:40,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14882088] [2021-01-06 10:42:40,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:42:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:42:41,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14882088] [2021-01-06 10:42:41,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 10:42:41,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 10:42:41,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125939840] [2021-01-06 10:42:41,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 10:42:41,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:42:41,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 10:42:41,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 10:42:41,262 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2021-01-06 10:42:41,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:42:41,289 INFO L93 Difference]: Finished difference Result 57 states and 84 transitions. [2021-01-06 10:42:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 10:42:41,290 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-01-06 10:42:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:42:41,317 INFO L225 Difference]: With dead ends: 57 [2021-01-06 10:42:41,319 INFO L226 Difference]: Without dead ends: 27 [2021-01-06 10:42:41,325 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 [2021-01-06 10:42:41,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-01-06 10:42:41,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-01-06 10:42:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-01-06 10:42:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2021-01-06 10:42:41,384 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 19 [2021-01-06 10:42:41,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:42:41,385 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2021-01-06 10:42:41,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 10:42:41,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-01-06 10:42:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 10:42:41,388 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:42:41,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 10:42:41,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 10:42:41,389 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:42:41,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:42:41,392 INFO L82 PathProgramCache]: Analyzing trace with hash -697412484, now seen corresponding path program 1 times [2021-01-06 10:42:41,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:42:41,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317312415] [2021-01-06 10:42:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:42:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:42:41,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317312415] [2021-01-06 10:42:41,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 10:42:41,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 10:42:41,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911885389] [2021-01-06 10:42:41,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 10:42:41,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:42:41,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 10:42:41,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 10:42:41,485 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 3 states. [2021-01-06 10:42:41,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:42:41,591 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2021-01-06 10:42:41,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 10:42:41,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 10:42:41,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:42:41,593 INFO L225 Difference]: With dead ends: 51 [2021-01-06 10:42:41,594 INFO L226 Difference]: Without dead ends: 29 [2021-01-06 10:42:41,595 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 [2021-01-06 10:42:41,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-01-06 10:42:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-01-06 10:42:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-01-06 10:42:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-01-06 10:42:41,610 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 19 [2021-01-06 10:42:41,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:42:41,611 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-01-06 10:42:41,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 10:42:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-01-06 10:42:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 10:42:41,612 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:42:41,612 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] [2021-01-06 10:42:41,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 10:42:41,613 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:42:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:42:41,613 INFO L82 PathProgramCache]: Analyzing trace with hash -506383970, now seen corresponding path program 1 times [2021-01-06 10:42:41,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:42:41,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154002143] [2021-01-06 10:42:41,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:42:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 10:42:41,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154002143] [2021-01-06 10:42:41,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 10:42:41,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 10:42:41,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731266693] [2021-01-06 10:42:41,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 10:42:41,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:42:41,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 10:42:41,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 10:42:41,678 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 4 states. [2021-01-06 10:42:41,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:42:41,783 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2021-01-06 10:42:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 10:42:41,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2021-01-06 10:42:41,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:42:41,784 INFO L225 Difference]: With dead ends: 60 [2021-01-06 10:42:41,785 INFO L226 Difference]: Without dead ends: 41 [2021-01-06 10:42:41,786 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 [2021-01-06 10:42:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-01-06 10:42:41,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2021-01-06 10:42:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-01-06 10:42:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2021-01-06 10:42:41,794 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 21 [2021-01-06 10:42:41,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:42:41,794 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2021-01-06 10:42:41,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 10:42:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2021-01-06 10:42:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 10:42:41,796 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:42:41,796 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] [2021-01-06 10:42:41,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 10:42:41,797 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:42:41,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:42:41,798 INFO L82 PathProgramCache]: Analyzing trace with hash 615846698, now seen corresponding path program 1 times [2021-01-06 10:42:41,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:42:41,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832807438] [2021-01-06 10:42:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:42:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 10:42:41,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832807438] [2021-01-06 10:42:41,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112950033] [2021-01-06 10:42:41,953 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 [2021-01-06 10:42:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:42,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 10:42:42,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:42:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 10:42:42,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:42:42,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-01-06 10:42:42,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148206049] [2021-01-06 10:42:42,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 10:42:42,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:42:42,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 10:42:42,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 10:42:42,197 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand 6 states. [2021-01-06 10:42:42,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:42:42,365 INFO L93 Difference]: Finished difference Result 65 states and 77 transitions. [2021-01-06 10:42:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 10:42:42,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-01-06 10:42:42,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:42:42,367 INFO L225 Difference]: With dead ends: 65 [2021-01-06 10:42:42,367 INFO L226 Difference]: Without dead ends: 37 [2021-01-06 10:42:42,368 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 [2021-01-06 10:42:42,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-01-06 10:42:42,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-01-06 10:42:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-01-06 10:42:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2021-01-06 10:42:42,375 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 33 [2021-01-06 10:42:42,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:42:42,376 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2021-01-06 10:42:42,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 10:42:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2021-01-06 10:42:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 10:42:42,377 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:42:42,377 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] [2021-01-06 10:42:42,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 10:42:42,595 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:42:42,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:42:42,597 INFO L82 PathProgramCache]: Analyzing trace with hash -160084788, now seen corresponding path program 2 times [2021-01-06 10:42:42,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:42:42,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617009770] [2021-01-06 10:42:42,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:42:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-01-06 10:42:42,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617009770] [2021-01-06 10:42:42,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744508405] [2021-01-06 10:42:42,727 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 [2021-01-06 10:42:42,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 10:42:42,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:42:42,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 10:42:42,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:42:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-01-06 10:42:42,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:42:42,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 10:42:42,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287204785] [2021-01-06 10:42:42,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 10:42:42,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:42:42,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 10:42:42,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-01-06 10:42:42,869 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 7 states. [2021-01-06 10:42:43,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:42:43,043 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2021-01-06 10:42:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 10:42:43,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2021-01-06 10:42:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:42:43,045 INFO L225 Difference]: With dead ends: 79 [2021-01-06 10:42:43,045 INFO L226 Difference]: Without dead ends: 55 [2021-01-06 10:42:43,046 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 [2021-01-06 10:42:43,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-01-06 10:42:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2021-01-06 10:42:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-01-06 10:42:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2021-01-06 10:42:43,055 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 35 [2021-01-06 10:42:43,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:42:43,056 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2021-01-06 10:42:43,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 10:42:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2021-01-06 10:42:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 10:42:43,057 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:42:43,057 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] [2021-01-06 10:42:43,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 10:42:43,272 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:42:43,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:42:43,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1337652904, now seen corresponding path program 3 times [2021-01-06 10:42:43,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:42:43,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559032764] [2021-01-06 10:42:43,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:42:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:42:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:42:45,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559032764] [2021-01-06 10:42:45,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772558618] [2021-01-06 10:42:45,392 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 [2021-01-06 10:42:45,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-01-06 10:42:45,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:42:45,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 68 conjunts are in the unsatisfiable core [2021-01-06 10:42:45,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:42:50,877 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 10:42:50,878 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 [2021-01-06 10:42:50,883 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-01-06 10:42:50,897 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 10:42:50,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:42:50,903 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 10:42:50,904 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:31 [2021-01-06 10:42:51,093 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:42:51,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:42:51,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:42:51,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:42:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:42:51,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:42:51,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 39] total 66 [2021-01-06 10:42:51,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708674187] [2021-01-06 10:42:51,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-01-06 10:42:51,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:42:51,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-01-06 10:42:51,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=4082, Unknown=0, NotChecked=0, Total=4290 [2021-01-06 10:42:51,524 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 66 states. [2021-01-06 10:43:02,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:43:02,436 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2021-01-06 10:43:02,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-01-06 10:43:02,437 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 47 [2021-01-06 10:43:02,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:43:02,439 INFO L225 Difference]: With dead ends: 131 [2021-01-06 10:43:02,439 INFO L226 Difference]: Without dead ends: 125 [2021-01-06 10:43:02,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 11 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1810 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=441, Invalid=8679, Unknown=0, NotChecked=0, Total=9120 [2021-01-06 10:43:02,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-01-06 10:43:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 77. [2021-01-06 10:43:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-01-06 10:43:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2021-01-06 10:43:02,473 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 47 [2021-01-06 10:43:02,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:43:02,474 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2021-01-06 10:43:02,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 66 states. [2021-01-06 10:43:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-01-06 10:43:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 10:43:02,478 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:43:02,479 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] [2021-01-06 10:43:02,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 10:43:02,695 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:43:02,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:43:02,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1235984134, now seen corresponding path program 4 times [2021-01-06 10:43:02,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:43:02,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599946013] [2021-01-06 10:43:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:43:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:43:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-01-06 10:43:02,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599946013] [2021-01-06 10:43:02,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229270492] [2021-01-06 10:43:02,827 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 [2021-01-06 10:43:02,890 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-06 10:43:02,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:43:02,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 10:43:02,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:43:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-01-06 10:43:03,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:43:03,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-01-06 10:43:03,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218253173] [2021-01-06 10:43:03,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-06 10:43:03,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:43:03,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-06 10:43:03,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-01-06 10:43:03,020 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 13 states. [2021-01-06 10:43:03,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:43:03,499 INFO L93 Difference]: Finished difference Result 177 states and 202 transitions. [2021-01-06 10:43:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 10:43:03,500 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2021-01-06 10:43:03,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:43:03,502 INFO L225 Difference]: With dead ends: 177 [2021-01-06 10:43:03,502 INFO L226 Difference]: Without dead ends: 104 [2021-01-06 10:43:03,503 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 [2021-01-06 10:43:03,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-01-06 10:43:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 84. [2021-01-06 10:43:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-01-06 10:43:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2021-01-06 10:43:03,516 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 49 [2021-01-06 10:43:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:43:03,517 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2021-01-06 10:43:03,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-01-06 10:43:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2021-01-06 10:43:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 10:43:03,519 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:43:03,519 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] [2021-01-06 10:43:03,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 10:43:03,733 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:43:03,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:43:03,735 INFO L82 PathProgramCache]: Analyzing trace with hash -925733540, now seen corresponding path program 5 times [2021-01-06 10:43:03,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:43:03,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331077546] [2021-01-06 10:43:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:43:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:43:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-01-06 10:43:03,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331077546] [2021-01-06 10:43:03,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788708591] [2021-01-06 10:43:03,881 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 [2021-01-06 10:43:04,000 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-01-06 10:43:04,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:43:04,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 10:43:04,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:43:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-01-06 10:43:04,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:43:04,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-01-06 10:43:04,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028049683] [2021-01-06 10:43:04,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-06 10:43:04,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:43:04,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-06 10:43:04,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-01-06 10:43:04,139 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand 13 states. [2021-01-06 10:43:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:43:04,562 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2021-01-06 10:43:04,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 10:43:04,563 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 51 [2021-01-06 10:43:04,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:43:04,564 INFO L225 Difference]: With dead ends: 96 [2021-01-06 10:43:04,565 INFO L226 Difference]: Without dead ends: 68 [2021-01-06 10:43:04,565 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 [2021-01-06 10:43:04,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-01-06 10:43:04,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2021-01-06 10:43:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-01-06 10:43:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2021-01-06 10:43:04,574 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 51 [2021-01-06 10:43:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:43:04,575 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2021-01-06 10:43:04,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-01-06 10:43:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2021-01-06 10:43:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 10:43:04,576 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:43:04,576 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] [2021-01-06 10:43:04,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 10:43:04,786 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:43:04,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:43:04,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1781065978, now seen corresponding path program 6 times [2021-01-06 10:43:04,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:43:04,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248152174] [2021-01-06 10:43:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:43:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:43:06,605 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-01-06 10:43:06,850 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-01-06 10:43:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:43:10,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248152174] [2021-01-06 10:43:10,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707176888] [2021-01-06 10:43:10,776 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 [2021-01-06 10:43:10,868 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-01-06 10:43:10,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:43:10,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 91 conjunts are in the unsatisfiable core [2021-01-06 10:43:10,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:43:11,080 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 [2021-01-06 10:43:11,081 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 10:43:11,090 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 10:43:11,092 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 10:43:11,092 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2021-01-06 10:43:11,349 INFO L348 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-01-06 10:43:11,350 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 [2021-01-06 10:43:11,352 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 10:43:11,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 10:43:11,364 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 10:43:11,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2021-01-06 10:43:19,206 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2021-01-06 10:43:19,208 INFO L348 Elim1Store]: treesize reduction 46, result has 80.1 percent of original size [2021-01-06 10:43:19,209 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 [2021-01-06 10:43:19,217 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 1] term [2021-01-06 10:43:19,217 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 10:43:19,219 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 1] term [2021-01-06 10:43:19,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 10:43:19,220 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-01-06 10:43:19,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,222 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-01-06 10:43:19,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,224 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-01-06 10:43:19,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,225 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,225 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,226 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,226 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,231 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,235 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,254 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,260 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,283 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,292 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,300 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,332 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,352 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,359 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,361 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,378 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,395 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,436 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,457 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,460 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,461 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,473 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,479 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,501 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,505 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,517 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,525 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,532 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,532 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,533 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,535 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,536 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,550 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,551 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,551 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,552 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,562 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,567 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,567 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,569 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,569 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,573 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,581 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,584 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,588 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,590 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,591 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,592 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,598 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-01-06 10:43:19,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,599 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,601 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,607 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-01-06 10:43:19,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,608 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,610 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,628 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,642 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,644 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,647 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,654 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,654 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,661 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,685 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,690 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,692 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,697 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,703 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,706 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,708 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,709 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,711 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,725 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,728 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,731 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,733 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,734 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,737 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,742 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,745 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,753 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 10:43:19,754 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,756 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,758 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,760 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,763 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,767 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,769 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,773 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,782 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,789 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,794 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-01-06 10:43:19,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,796 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,797 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,802 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,806 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-01-06 10:43:19,806 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,807 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-01-06 10:43:19,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,809 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,809 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,810 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,810 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,813 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,823 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,827 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,827 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,829 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,837 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,842 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,844 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2021-01-06 10:43:19,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,846 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,847 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,848 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 10:43:19,849 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,850 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,850 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,856 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,856 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,857 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,858 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,863 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,864 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,866 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,867 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,872 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 3, 1] term [2021-01-06 10:43:19,873 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,877 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,879 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,881 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,887 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,888 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 10:43:19,890 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,890 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,891 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,896 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,901 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,902 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,903 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,906 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,907 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,908 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,914 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 3, 1] term [2021-01-06 10:43:19,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:19,917 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 10:43:19,918 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:43:19,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:43:19,920 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:43:19,922 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:43:19,923 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:19,923 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:43:19,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:20,014 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-01-06 10:43:20,458 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 20 [2021-01-06 10:43:20,460 INFO L625 ElimStorePlain]: treesize reduction 2500, result has 1.1 percent of original size [2021-01-06 10:43:20,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:20,464 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 10:43:20,464 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:93, output treesize:31 [2021-01-06 10:43:20,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:20,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:21,000 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:43:21,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:43:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:43:21,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:43:21,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 46] total 96 [2021-01-06 10:43:21,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273013825] [2021-01-06 10:43:21,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 96 states [2021-01-06 10:43:21,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:43:21,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-01-06 10:43:21,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=8783, Unknown=0, NotChecked=0, Total=9120 [2021-01-06 10:43:21,372 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand 96 states. [2021-01-06 10:43:23,266 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2021-01-06 10:43:23,671 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 35 [2021-01-06 10:43:24,098 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2021-01-06 10:43:24,616 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-06 10:43:24,967 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2021-01-06 10:43:25,362 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2021-01-06 10:43:25,772 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2021-01-06 10:43:26,164 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2021-01-06 10:43:26,617 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 33 [2021-01-06 10:43:27,379 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 37 [2021-01-06 10:43:27,672 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2021-01-06 10:43:28,110 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2021-01-06 10:43:28,433 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 28 [2021-01-06 10:43:28,986 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2021-01-06 10:43:29,350 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2021-01-06 10:43:29,851 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 43 [2021-01-06 10:43:30,684 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2021-01-06 10:43:31,452 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-01-06 10:43:31,851 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2021-01-06 10:43:32,279 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 9 [2021-01-06 10:43:32,791 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2021-01-06 10:43:33,604 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2021-01-06 10:43:34,167 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2021-01-06 10:43:34,626 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2021-01-06 10:43:35,536 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 42 [2021-01-06 10:43:36,142 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2021-01-06 10:43:36,652 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2021-01-06 10:43:37,268 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2021-01-06 10:43:37,635 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 12 [2021-01-06 10:43:38,254 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2021-01-06 10:43:38,628 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 12 [2021-01-06 10:43:40,027 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 35 [2021-01-06 10:43:40,721 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2021-01-06 10:43:41,161 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 36 [2021-01-06 10:43:41,719 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2021-01-06 10:43:42,219 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2021-01-06 10:43:42,767 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 49 [2021-01-06 10:43:43,272 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2021-01-06 10:43:43,929 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2021-01-06 10:43:44,391 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2021-01-06 10:43:45,039 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2021-01-06 10:43:45,468 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-06 10:43:45,932 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 38 [2021-01-06 10:43:46,419 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2021-01-06 10:43:46,765 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-01-06 10:43:47,297 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 40 [2021-01-06 10:43:47,880 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2021-01-06 10:43:48,402 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-01-06 10:43:48,977 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 32 [2021-01-06 10:43:50,177 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2021-01-06 10:43:50,677 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2021-01-06 10:43:51,414 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2021-01-06 10:43:52,101 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2021-01-06 10:43:52,688 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2021-01-06 10:43:53,139 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2021-01-06 10:43:53,665 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2021-01-06 10:43:54,098 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2021-01-06 10:43:54,545 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2021-01-06 10:43:55,233 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2021-01-06 10:43:55,780 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 38 [2021-01-06 10:43:56,120 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2021-01-06 10:43:56,781 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2021-01-06 10:43:57,312 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2021-01-06 10:43:57,677 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-06 10:43:58,385 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2021-01-06 10:43:59,057 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2021-01-06 10:43:59,648 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2021-01-06 10:44:00,469 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2021-01-06 10:44:01,352 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-01-06 10:44:02,076 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 47 [2021-01-06 10:44:02,791 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 49 [2021-01-06 10:44:03,559 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2021-01-06 10:44:04,226 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2021-01-06 10:44:05,676 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2021-01-06 10:44:06,476 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2021-01-06 10:44:07,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:44:07,176 INFO L93 Difference]: Finished difference Result 263 states and 295 transitions. [2021-01-06 10:44:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-01-06 10:44:07,181 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 61 [2021-01-06 10:44:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:44:07,183 INFO L225 Difference]: With dead ends: 263 [2021-01-06 10:44:07,183 INFO L226 Difference]: Without dead ends: 215 [2021-01-06 10:44:07,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8620 ImplicationChecksByTransitivity, 45.0s TimeCoverageRelationStatistics Valid=2154, Invalid=31886, Unknown=0, NotChecked=0, Total=34040 [2021-01-06 10:44:07,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-01-06 10:44:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 142. [2021-01-06 10:44:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-01-06 10:44:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 159 transitions. [2021-01-06 10:44:07,222 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 159 transitions. Word has length 61 [2021-01-06 10:44:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:44:07,223 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 159 transitions. [2021-01-06 10:44:07,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 96 states. [2021-01-06 10:44:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2021-01-06 10:44:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 10:44:07,225 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:44:07,225 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] [2021-01-06 10:44:07,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 10:44:07,440 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:44:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:44:07,441 INFO L82 PathProgramCache]: Analyzing trace with hash 2140781352, now seen corresponding path program 7 times [2021-01-06 10:44:07,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:44:07,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419668565] [2021-01-06 10:44:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:44:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:44:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-01-06 10:44:07,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419668565] [2021-01-06 10:44:07,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699803927] [2021-01-06 10:44:07,611 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 [2021-01-06 10:44:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:44:07,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 10:44:07,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:44:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-01-06 10:44:07,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:44:07,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-01-06 10:44:07,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952525952] [2021-01-06 10:44:07,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-06 10:44:07,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:44:07,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-06 10:44:07,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-01-06 10:44:07,912 INFO L87 Difference]: Start difference. First operand 142 states and 159 transitions. Second operand 16 states. [2021-01-06 10:44:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:44:08,692 INFO L93 Difference]: Finished difference Result 244 states and 271 transitions. [2021-01-06 10:44:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 10:44:08,694 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2021-01-06 10:44:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:44:08,695 INFO L225 Difference]: With dead ends: 244 [2021-01-06 10:44:08,696 INFO L226 Difference]: Without dead ends: 87 [2021-01-06 10:44:08,697 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 [2021-01-06 10:44:08,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-01-06 10:44:08,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 74. [2021-01-06 10:44:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-01-06 10:44:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2021-01-06 10:44:08,709 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 63 [2021-01-06 10:44:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:44:08,709 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2021-01-06 10:44:08,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-01-06 10:44:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2021-01-06 10:44:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 10:44:08,711 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:44:08,711 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] [2021-01-06 10:44:08,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 10:44:08,925 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:44:08,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:44:08,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1918257938, now seen corresponding path program 8 times [2021-01-06 10:44:08,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:44:08,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166741810] [2021-01-06 10:44:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:44:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:44:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-01-06 10:44:09,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166741810] [2021-01-06 10:44:09,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755270510] [2021-01-06 10:44:09,162 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 [2021-01-06 10:44:09,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 10:44:09,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:44:09,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 10:44:09,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:44:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-01-06 10:44:09,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:44:09,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-01-06 10:44:09,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379675779] [2021-01-06 10:44:09,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-01-06 10:44:09,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:44:09,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-01-06 10:44:09,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-01-06 10:44:09,563 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 16 states. [2021-01-06 10:44:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 10:44:10,332 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2021-01-06 10:44:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 10:44:10,333 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2021-01-06 10:44:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 10:44:10,335 INFO L225 Difference]: With dead ends: 86 [2021-01-06 10:44:10,335 INFO L226 Difference]: Without dead ends: 82 [2021-01-06 10:44:10,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2021-01-06 10:44:10,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-01-06 10:44:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2021-01-06 10:44:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-01-06 10:44:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2021-01-06 10:44:10,346 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 73 [2021-01-06 10:44:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 10:44:10,347 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2021-01-06 10:44:10,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-01-06 10:44:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2021-01-06 10:44:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 10:44:10,348 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 10:44:10,348 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] [2021-01-06 10:44:10,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 10:44:10,563 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 10:44:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 10:44:10,564 INFO L82 PathProgramCache]: Analyzing trace with hash 958143540, now seen corresponding path program 9 times [2021-01-06 10:44:10,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 10:44:10,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081411984] [2021-01-06 10:44:10,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 10:44:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 10:44:11,495 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-06 10:44:12,100 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2021-01-06 10:44:12,273 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-01-06 10:44:12,483 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-01-06 10:44:12,713 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2021-01-06 10:44:12,906 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-06 10:44:13,585 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2021-01-06 10:44:13,792 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2021-01-06 10:44:14,012 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2021-01-06 10:44:14,280 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-01-06 10:44:14,528 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2021-01-06 10:44:14,771 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2021-01-06 10:44:15,010 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2021-01-06 10:44:15,246 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2021-01-06 10:44:15,664 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2021-01-06 10:44:15,891 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2021-01-06 10:44:16,113 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-06 10:44:16,357 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-06 10:44:16,623 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-06 10:44:16,870 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-06 10:44:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 10:44:22,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081411984] [2021-01-06 10:44:22,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026064100] [2021-01-06 10:44:22,973 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 [2021-01-06 10:44:23,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-01-06 10:44:23,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 10:44:23,081 WARN L261 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 120 conjunts are in the unsatisfiable core [2021-01-06 10:44:23,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 10:44:23,475 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 [2021-01-06 10:44:23,478 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 10:44:23,497 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 10:44:23,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 10:44:23,499 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2021-01-06 10:44:55,041 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2021-01-06 10:44:55,043 INFO L348 Elim1Store]: treesize reduction 34, result has 79.9 percent of original size [2021-01-06 10:44:55,044 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 [2021-01-06 10:44:55,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,052 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,058 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:44:55,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,071 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,082 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-01-06 10:44:55,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,083 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:44:55,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,089 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,092 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-06 10:44:55,093 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 10:44:55,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,096 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,100 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-01-06 10:44:55,101 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,108 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 10:44:55,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,133 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,137 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-06 10:44:55,137 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,138 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 10:44:55,142 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,146 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-06 10:44:55,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,149 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2021-01-06 10:44:55,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 10:44:55,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 10:44:55,163 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 10:44:55,164 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,184 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 5 xjuncts. [2021-01-06 10:44:55,401 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 25 [2021-01-06 10:44:55,402 INFO L625 ElimStorePlain]: treesize reduction 347, result has 9.9 percent of original size [2021-01-06 10:44:55,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:55,416 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 10:44:55,417 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:116, output treesize:24 [2021-01-06 10:44:56,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:56,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 10:44:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 5 proven. 103 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-01-06 10:44:57,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 10:44:57,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 57] total 121 [2021-01-06 10:44:57,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254023185] [2021-01-06 10:44:57,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 121 states [2021-01-06 10:44:57,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 10:44:57,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2021-01-06 10:44:57,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=14070, Unknown=0, NotChecked=0, Total=14520 [2021-01-06 10:44:57,444 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 121 states. [2021-01-06 10:44:59,636 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2021-01-06 10:45:00,536 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2021-01-06 10:45:04,227 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2021-01-06 10:45:05,418 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2021-01-06 10:45:06,681 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2021-01-06 10:45:08,121 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2021-01-06 10:45:09,489 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 45 [2021-01-06 10:45:10,257 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2021-01-06 10:45:11,440 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2021-01-06 10:45:12,490 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2021-01-06 10:45:13,450 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-01-06 10:45:14,276 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2021-01-06 10:45:15,326 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-01-06 10:45:19,311 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-01-06 10:45:20,014 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 31 [2021-01-06 10:45:21,421 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-01-06 10:45:23,498 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2021-01-06 10:45:24,290 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2021-01-06 10:45:25,551 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2021-01-06 10:45:26,253 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2021-01-06 10:45:27,542 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 58 [2021-01-06 10:45:28,100 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-01-06 10:45:29,226 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2021-01-06 10:45:31,085 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2021-01-06 10:45:32,146 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 48 [2021-01-06 10:45:33,450 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2021-01-06 10:45:34,266 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 11 [2021-01-06 10:45:35,195 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-01-06 10:45:37,802 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2021-01-06 10:45:38,448 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 9 [2021-01-06 10:45:39,867 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-01-06 10:45:41,757 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2021-01-06 10:45:42,713 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2021-01-06 10:45:43,899 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-01-06 10:45:44,524 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 12 [2021-01-06 10:45:46,342 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2021-01-06 10:45:47,013 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 12 [2021-01-06 10:45:48,125 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-01-06 10:45:49,744 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-01-06 10:45:50,382 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 11 [2021-01-06 10:45:53,198 WARN L197 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 84 [2021-01-06 10:45:54,193 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2021-01-06 10:45:55,951 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-01-06 10:45:56,719 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2021-01-06 10:45:57,740 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-01-06 10:45:58,939 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 43 [2021-01-06 10:46:00,399 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2021-01-06 10:46:01,647 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2021-01-06 10:46:02,811 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2021-01-06 10:46:03,391 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 7 [2021-01-06 10:46:07,245 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2021-01-06 10:46:09,702 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-01-06 10:46:11,682 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-01-06 10:46:14,218 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-01-06 10:46:17,100 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2021-01-06 10:46:23,375 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-01-06 10:46:25,893 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-01-06 10:46:27,761 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 85 [2021-01-06 10:46:29,523 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-06 10:46:31,371 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 93 [2021-01-06 10:46:34,169 WARN L197 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2021-01-06 10:46:35,376 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 39 [2021-01-06 10:46:38,097 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2021-01-06 10:46:39,539 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2021-01-06 10:46:42,035 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 90 [2021-01-06 10:46:43,443 WARN L197 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 54 [2021-01-06 10:46:46,879 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-01-06 10:46:48,178 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 49