/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-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 17:21:41,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:21:41,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:21:41,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:21:41,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:21:41,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:21:41,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:21:41,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:21:41,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:21:41,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:21:41,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:21:41,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:21:41,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:21:41,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:21:41,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:21:41,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:21:41,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:21:41,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:21:41,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:21:41,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:21:41,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:21:41,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:21:41,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:21:41,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:21:41,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 17:21:41,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 17:21:41,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 17:21:41,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 17:21:41,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 17:21:41,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 17:21:41,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:21:41,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:21:41,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:21:41,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:21:41,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:21:41,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:21:41,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:21:41,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:21:41,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:21:41,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:21:41,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:21:41,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 17:21:41,701 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:21:41,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:21:41,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:21:41,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:21:41,705 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:21:41,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:21:41,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:21:41,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:21:41,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:21:41,707 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:21:41,707 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:21:41,709 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:21:41,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:21:41,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:21:41,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:21:41,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:21:41,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:21:41,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:21:41,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:21:41,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:21:41,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:21:41,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:21:41,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:21:41,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:21:41,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:21:42,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:21:42,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:21:42,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:21:42,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:21:42,219 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:21:42,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2020-12-23 17:21:42,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/92cb51d16/8a9157a139eb4aa0be691a6f454d3df7/FLAG7ee5a8de3 [2020-12-23 17:21:43,083 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:21:43,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2020-12-23 17:21:43,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/92cb51d16/8a9157a139eb4aa0be691a6f454d3df7/FLAG7ee5a8de3 [2020-12-23 17:21:43,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/92cb51d16/8a9157a139eb4aa0be691a6f454d3df7 [2020-12-23 17:21:43,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:21:43,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:21:43,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:21:43,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:21:43,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:21:43,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:43,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4526703d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43, skipping insertion in model container [2020-12-23 17:21:43,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:43,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:21:43,374 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~last~0,],base],StructAccessExpression[IdentifierExpression[~last~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: address: IdentifierExpression[~head,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~head,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~old_head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~old_head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~last~1,],base],StructAccessExpression[IdentifierExpression[~last~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] [2020-12-23 17:21:43,831 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2020-12-23 17:21:43,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:21:43,846 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~temp~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~temp~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~0,],base],StructAccessExpression[IdentifierExpression[~new_head~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~head~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~last~0,],base],StructAccessExpression[IdentifierExpression[~last~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~head~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: address: IdentifierExpression[~head,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~head,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~old_head~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~old_head~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~last~1,],base],StructAccessExpression[IdentifierExpression[~last~1,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~new_head~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~new_head~1,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] left hand side expression in assignment: lhs: VariableLHS[~ptr~0,] [2020-12-23 17:21:43,898 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2020-12-23 17:21:43,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:21:43,963 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:21:43,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43 WrapperNode [2020-12-23 17:21:43,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:21:43,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:21:43,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:21:43,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:21:43,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:43,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:21:44,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:21:44,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:21:44,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:21:44,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... [2020-12-23 17:21:44,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:21:44,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:21:44,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:21:44,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:21:44,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:21:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 17:21:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 17:21:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 17:21:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 17:21:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 17:21:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-23 17:21:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 17:21:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-23 17:21:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 17:21:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:21:44,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:21:45,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:21:45,091 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2020-12-23 17:21:45,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:21:45 BoogieIcfgContainer [2020-12-23 17:21:45,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:21:45,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:21:45,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:21:45,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:21:45,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:21:43" (1/3) ... [2020-12-23 17:21:45,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0cb70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:21:45, skipping insertion in model container [2020-12-23 17:21:45,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:21:43" (2/3) ... [2020-12-23 17:21:45,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0cb70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:21:45, skipping insertion in model container [2020-12-23 17:21:45,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:21:45" (3/3) ... [2020-12-23 17:21:45,106 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_prepend_unequal.i [2020-12-23 17:21:45,114 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:21:45,120 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2020-12-23 17:21:45,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2020-12-23 17:21:45,172 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:21:45,172 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:21:45,173 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:21:45,173 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:21:45,173 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:21:45,173 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:21:45,174 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:21:45,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:21:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-12-23 17:21:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 17:21:45,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:45,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 17:21:45,210 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:45,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:45,217 INFO L82 PathProgramCache]: Analyzing trace with hash 925702, now seen corresponding path program 1 times [2020-12-23 17:21:45,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:45,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128804344] [2020-12-23 17:21:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:45,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128804344] [2020-12-23 17:21:45,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:45,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:21:45,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170245792] [2020-12-23 17:21:45,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:21:45,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:45,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:21:45,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:21:45,488 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2020-12-23 17:21:45,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:45,725 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2020-12-23 17:21:45,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:21:45,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-23 17:21:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:45,739 INFO L225 Difference]: With dead ends: 164 [2020-12-23 17:21:45,739 INFO L226 Difference]: Without dead ends: 159 [2020-12-23 17:21:45,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:21:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-12-23 17:21:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 141. [2020-12-23 17:21:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-12-23 17:21:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2020-12-23 17:21:45,814 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 4 [2020-12-23 17:21:45,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:45,814 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2020-12-23 17:21:45,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:21:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2020-12-23 17:21:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 17:21:45,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:45,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 17:21:45,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:21:45,816 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:45,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:45,818 INFO L82 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2020-12-23 17:21:45,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:45,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088465762] [2020-12-23 17:21:45,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:45,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088465762] [2020-12-23 17:21:45,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:45,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:21:45,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349829398] [2020-12-23 17:21:45,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:21:45,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:45,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:21:45,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:21:45,886 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 3 states. [2020-12-23 17:21:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:46,027 INFO L93 Difference]: Finished difference Result 132 states and 139 transitions. [2020-12-23 17:21:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:21:46,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-23 17:21:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:46,030 INFO L225 Difference]: With dead ends: 132 [2020-12-23 17:21:46,030 INFO L226 Difference]: Without dead ends: 132 [2020-12-23 17:21:46,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:21:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-23 17:21:46,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-12-23 17:21:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-12-23 17:21:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 139 transitions. [2020-12-23 17:21:46,043 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 139 transitions. Word has length 4 [2020-12-23 17:21:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:46,043 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 139 transitions. [2020-12-23 17:21:46,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:21:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 139 transitions. [2020-12-23 17:21:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 17:21:46,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:46,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:46,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 17:21:46,045 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:46,046 INFO L82 PathProgramCache]: Analyzing trace with hash 613332465, now seen corresponding path program 1 times [2020-12-23 17:21:46,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:46,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134347477] [2020-12-23 17:21:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:46,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134347477] [2020-12-23 17:21:46,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:46,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:21:46,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790386958] [2020-12-23 17:21:46,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:21:46,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:46,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:21:46,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:21:46,116 INFO L87 Difference]: Start difference. First operand 132 states and 139 transitions. Second operand 3 states. [2020-12-23 17:21:46,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:46,127 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2020-12-23 17:21:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:21:46,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-23 17:21:46,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:46,130 INFO L225 Difference]: With dead ends: 147 [2020-12-23 17:21:46,130 INFO L226 Difference]: Without dead ends: 147 [2020-12-23 17:21:46,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:21:46,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-12-23 17:21:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 133. [2020-12-23 17:21:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-23 17:21:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2020-12-23 17:21:46,141 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 10 [2020-12-23 17:21:46,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:46,142 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2020-12-23 17:21:46,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:21:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2020-12-23 17:21:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 17:21:46,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:46,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:46,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 17:21:46,144 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:46,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:46,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1103137848, now seen corresponding path program 1 times [2020-12-23 17:21:46,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:46,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208023479] [2020-12-23 17:21:46,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:46,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208023479] [2020-12-23 17:21:46,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:46,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:21:46,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482329812] [2020-12-23 17:21:46,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:21:46,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:46,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:21:46,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:46,271 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand 5 states. [2020-12-23 17:21:46,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:46,531 INFO L93 Difference]: Finished difference Result 156 states and 164 transitions. [2020-12-23 17:21:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:21:46,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-23 17:21:46,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:46,535 INFO L225 Difference]: With dead ends: 156 [2020-12-23 17:21:46,535 INFO L226 Difference]: Without dead ends: 156 [2020-12-23 17:21:46,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:21:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-12-23 17:21:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 132. [2020-12-23 17:21:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-12-23 17:21:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 139 transitions. [2020-12-23 17:21:46,563 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 139 transitions. Word has length 16 [2020-12-23 17:21:46,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:46,567 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 139 transitions. [2020-12-23 17:21:46,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:21:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 139 transitions. [2020-12-23 17:21:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 17:21:46,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:46,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:46,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 17:21:46,569 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:46,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:46,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1103137849, now seen corresponding path program 1 times [2020-12-23 17:21:46,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:46,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185652543] [2020-12-23 17:21:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:46,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185652543] [2020-12-23 17:21:46,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:46,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:21:46,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588971092] [2020-12-23 17:21:46,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:21:46,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:46,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:21:46,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:46,701 INFO L87 Difference]: Start difference. First operand 132 states and 139 transitions. Second operand 5 states. [2020-12-23 17:21:46,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:46,924 INFO L93 Difference]: Finished difference Result 137 states and 144 transitions. [2020-12-23 17:21:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:21:46,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-23 17:21:46,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:46,928 INFO L225 Difference]: With dead ends: 137 [2020-12-23 17:21:46,928 INFO L226 Difference]: Without dead ends: 137 [2020-12-23 17:21:46,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:21:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-23 17:21:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131. [2020-12-23 17:21:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-12-23 17:21:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 138 transitions. [2020-12-23 17:21:46,943 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 138 transitions. Word has length 16 [2020-12-23 17:21:46,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:46,944 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 138 transitions. [2020-12-23 17:21:46,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:21:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 138 transitions. [2020-12-23 17:21:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 17:21:46,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:46,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:46,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 17:21:46,946 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:46,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:46,947 INFO L82 PathProgramCache]: Analyzing trace with hash -741449383, now seen corresponding path program 1 times [2020-12-23 17:21:46,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:46,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479884859] [2020-12-23 17:21:46,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:47,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479884859] [2020-12-23 17:21:47,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:47,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:21:47,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288645991] [2020-12-23 17:21:47,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:47,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:47,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:47,104 INFO L87 Difference]: Start difference. First operand 131 states and 138 transitions. Second operand 6 states. [2020-12-23 17:21:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:47,355 INFO L93 Difference]: Finished difference Result 160 states and 169 transitions. [2020-12-23 17:21:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:21:47,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-23 17:21:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:47,358 INFO L225 Difference]: With dead ends: 160 [2020-12-23 17:21:47,358 INFO L226 Difference]: Without dead ends: 160 [2020-12-23 17:21:47,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:21:47,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-23 17:21:47,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 140. [2020-12-23 17:21:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-23 17:21:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2020-12-23 17:21:47,366 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 18 [2020-12-23 17:21:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:47,366 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2020-12-23 17:21:47,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2020-12-23 17:21:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 17:21:47,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:47,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:47,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 17:21:47,368 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:47,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:47,369 INFO L82 PathProgramCache]: Analyzing trace with hash -741449382, now seen corresponding path program 1 times [2020-12-23 17:21:47,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:47,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063611996] [2020-12-23 17:21:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:47,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063611996] [2020-12-23 17:21:47,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:47,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:21:47,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413078556] [2020-12-23 17:21:47,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:21:47,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:47,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:21:47,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:47,499 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand 5 states. [2020-12-23 17:21:47,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:47,766 INFO L93 Difference]: Finished difference Result 141 states and 149 transitions. [2020-12-23 17:21:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:21:47,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-23 17:21:47,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:47,768 INFO L225 Difference]: With dead ends: 141 [2020-12-23 17:21:47,768 INFO L226 Difference]: Without dead ends: 141 [2020-12-23 17:21:47,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:21:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-12-23 17:21:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2020-12-23 17:21:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-23 17:21:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2020-12-23 17:21:47,774 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 18 [2020-12-23 17:21:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:47,774 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2020-12-23 17:21:47,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:21:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2020-12-23 17:21:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 17:21:47,775 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:47,776 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] [2020-12-23 17:21:47,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 17:21:47,776 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:47,777 INFO L82 PathProgramCache]: Analyzing trace with hash 431868768, now seen corresponding path program 1 times [2020-12-23 17:21:47,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:47,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654032381] [2020-12-23 17:21:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:47,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654032381] [2020-12-23 17:21:47,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:47,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 17:21:47,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813425516] [2020-12-23 17:21:47,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:47,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:47,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:47,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:47,871 INFO L87 Difference]: Start difference. First operand 140 states and 148 transitions. Second operand 6 states. [2020-12-23 17:21:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:48,031 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2020-12-23 17:21:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:21:48,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-12-23 17:21:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:48,034 INFO L225 Difference]: With dead ends: 141 [2020-12-23 17:21:48,034 INFO L226 Difference]: Without dead ends: 141 [2020-12-23 17:21:48,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:21:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-12-23 17:21:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2020-12-23 17:21:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-23 17:21:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 147 transitions. [2020-12-23 17:21:48,039 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 147 transitions. Word has length 20 [2020-12-23 17:21:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:48,039 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 147 transitions. [2020-12-23 17:21:48,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2020-12-23 17:21:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 17:21:48,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:48,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:48,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 17:21:48,041 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:48,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:48,042 INFO L82 PathProgramCache]: Analyzing trace with hash 498265101, now seen corresponding path program 1 times [2020-12-23 17:21:48,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:48,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453504723] [2020-12-23 17:21:48,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:48,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453504723] [2020-12-23 17:21:48,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247853705] [2020-12-23 17:21:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:21:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:48,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-23 17:21:48,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:21:48,364 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-12-23 17:21:48,365 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-12-23 17:21:48,368 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:48,375 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:48,382 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:48,383 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-12-23 17:21:48,469 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:48,470 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-23 17:21:48,474 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:48,494 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-12-23 17:21:48,497 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:48,497 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2020-12-23 17:21:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:48,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 17:21:48,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2020-12-23 17:21:48,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895991017] [2020-12-23 17:21:48,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 17:21:48,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:48,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 17:21:48,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:21:48,540 INFO L87 Difference]: Start difference. First operand 140 states and 147 transitions. Second operand 8 states. [2020-12-23 17:21:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:48,936 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2020-12-23 17:21:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 17:21:48,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-12-23 17:21:48,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:48,938 INFO L225 Difference]: With dead ends: 159 [2020-12-23 17:21:48,938 INFO L226 Difference]: Without dead ends: 159 [2020-12-23 17:21:48,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-12-23 17:21:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-12-23 17:21:48,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 139. [2020-12-23 17:21:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-23 17:21:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2020-12-23 17:21:48,943 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 21 [2020-12-23 17:21:48,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:48,944 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2020-12-23 17:21:48,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 17:21:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2020-12-23 17:21:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 17:21:48,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:48,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:49,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 17:21:49,158 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:49,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:49,159 INFO L82 PathProgramCache]: Analyzing trace with hash 498265102, now seen corresponding path program 1 times [2020-12-23 17:21:49,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:49,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701881857] [2020-12-23 17:21:49,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:49,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701881857] [2020-12-23 17:21:49,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671135516] [2020-12-23 17:21:49,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:21:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:49,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-23 17:21:49,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:21:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:49,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 17:21:49,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-23 17:21:49,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768036457] [2020-12-23 17:21:49,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 17:21:49,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:49,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 17:21:49,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:21:49,479 INFO L87 Difference]: Start difference. First operand 139 states and 146 transitions. Second operand 10 states. [2020-12-23 17:21:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:49,879 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2020-12-23 17:21:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:21:49,879 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2020-12-23 17:21:49,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:49,881 INFO L225 Difference]: With dead ends: 147 [2020-12-23 17:21:49,881 INFO L226 Difference]: Without dead ends: 147 [2020-12-23 17:21:49,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-23 17:21:49,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-12-23 17:21:49,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2020-12-23 17:21:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-12-23 17:21:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2020-12-23 17:21:49,886 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 21 [2020-12-23 17:21:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:49,886 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2020-12-23 17:21:49,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 17:21:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2020-12-23 17:21:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 17:21:49,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:49,888 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] [2020-12-23 17:21:50,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 17:21:50,102 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:50,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:50,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1733651014, now seen corresponding path program 1 times [2020-12-23 17:21:50,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:50,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506784225] [2020-12-23 17:21:50,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:50,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506784225] [2020-12-23 17:21:50,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:50,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:21:50,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910920783] [2020-12-23 17:21:50,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:50,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:50,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:50,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:50,165 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand 6 states. [2020-12-23 17:21:50,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:50,484 INFO L93 Difference]: Finished difference Result 158 states and 167 transitions. [2020-12-23 17:21:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:21:50,485 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-23 17:21:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:50,487 INFO L225 Difference]: With dead ends: 158 [2020-12-23 17:21:50,487 INFO L226 Difference]: Without dead ends: 158 [2020-12-23 17:21:50,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:21:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-12-23 17:21:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 140. [2020-12-23 17:21:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-23 17:21:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2020-12-23 17:21:50,493 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 22 [2020-12-23 17:21:50,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:50,493 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2020-12-23 17:21:50,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2020-12-23 17:21:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 17:21:50,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:50,495 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] [2020-12-23 17:21:50,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 17:21:50,496 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:50,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:50,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1733651013, now seen corresponding path program 1 times [2020-12-23 17:21:50,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:50,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360222452] [2020-12-23 17:21:50,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:50,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360222452] [2020-12-23 17:21:50,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:50,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:21:50,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333875809] [2020-12-23 17:21:50,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:50,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:50,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:50,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:50,596 INFO L87 Difference]: Start difference. First operand 140 states and 148 transitions. Second operand 6 states. [2020-12-23 17:21:50,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:50,893 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2020-12-23 17:21:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:21:50,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-23 17:21:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:50,895 INFO L225 Difference]: With dead ends: 138 [2020-12-23 17:21:50,896 INFO L226 Difference]: Without dead ends: 138 [2020-12-23 17:21:50,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:21:50,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-12-23 17:21:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-12-23 17:21:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-23 17:21:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2020-12-23 17:21:50,901 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 22 [2020-12-23 17:21:50,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:50,901 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2020-12-23 17:21:50,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2020-12-23 17:21:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:21:50,903 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:50,903 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] [2020-12-23 17:21:50,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 17:21:50,903 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:50,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:50,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1584590306, now seen corresponding path program 1 times [2020-12-23 17:21:50,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:50,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526240161] [2020-12-23 17:21:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 17:21:51,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526240161] [2020-12-23 17:21:51,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:51,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:21:51,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548377095] [2020-12-23 17:21:51,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:21:51,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:51,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:21:51,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:21:51,012 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand 4 states. [2020-12-23 17:21:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:51,171 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2020-12-23 17:21:51,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:21:51,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-23 17:21:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:51,173 INFO L225 Difference]: With dead ends: 130 [2020-12-23 17:21:51,173 INFO L226 Difference]: Without dead ends: 130 [2020-12-23 17:21:51,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:51,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-12-23 17:21:51,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-12-23 17:21:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-12-23 17:21:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2020-12-23 17:21:51,177 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 31 [2020-12-23 17:21:51,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:51,177 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2020-12-23 17:21:51,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:21:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2020-12-23 17:21:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:21:51,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:51,179 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] [2020-12-23 17:21:51,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 17:21:51,179 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:51,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:51,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1584590307, now seen corresponding path program 1 times [2020-12-23 17:21:51,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:51,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578595546] [2020-12-23 17:21:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:51,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578595546] [2020-12-23 17:21:51,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052384271] [2020-12-23 17:21:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:21:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:51,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 17:21:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:21:51,412 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-12-23 17:21:51,413 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-12-23 17:21:51,414 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:51,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:51,421 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:51,421 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:11 [2020-12-23 17:21:51,539 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:51,540 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-23 17:21:51,544 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:51,558 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-12-23 17:21:51,560 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:51,560 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-12-23 17:21:51,616 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:51,617 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-23 17:21:51,620 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:51,634 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-12-23 17:21:51,638 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:51,638 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-12-23 17:21:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 17:21:51,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 17:21:51,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 6 [2020-12-23 17:21:51,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528694196] [2020-12-23 17:21:51,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:51,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:51,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:51,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:21:51,663 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand 6 states. [2020-12-23 17:21:51,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:51,861 INFO L93 Difference]: Finished difference Result 140 states and 149 transitions. [2020-12-23 17:21:51,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 17:21:51,862 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-12-23 17:21:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:51,863 INFO L225 Difference]: With dead ends: 140 [2020-12-23 17:21:51,863 INFO L226 Difference]: Without dead ends: 140 [2020-12-23 17:21:51,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-23 17:21:51,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-12-23 17:21:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 122. [2020-12-23 17:21:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-23 17:21:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2020-12-23 17:21:51,868 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 31 [2020-12-23 17:21:51,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:51,868 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2020-12-23 17:21:51,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2020-12-23 17:21:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 17:21:51,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:51,869 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:52,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 17:21:52,083 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:52,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2090471037, now seen corresponding path program 1 times [2020-12-23 17:21:52,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:52,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073137280] [2020-12-23 17:21:52,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:52,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073137280] [2020-12-23 17:21:52,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285496542] [2020-12-23 17:21:52,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:21:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:52,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 17:21:52,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:21:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:52,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 17:21:52,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-12-23 17:21:52,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32940606] [2020-12-23 17:21:52,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:21:52,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:52,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:21:52,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:52,285 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand 4 states. [2020-12-23 17:21:52,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:52,295 INFO L93 Difference]: Finished difference Result 109 states and 114 transitions. [2020-12-23 17:21:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:21:52,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-23 17:21:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:52,297 INFO L225 Difference]: With dead ends: 109 [2020-12-23 17:21:52,297 INFO L226 Difference]: Without dead ends: 109 [2020-12-23 17:21:52,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-23 17:21:52,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-12-23 17:21:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-23 17:21:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 114 transitions. [2020-12-23 17:21:52,304 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 114 transitions. Word has length 31 [2020-12-23 17:21:52,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:52,305 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 114 transitions. [2020-12-23 17:21:52,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:21:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2020-12-23 17:21:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:21:52,310 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:52,310 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, 1] [2020-12-23 17:21:52,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:21:52,525 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:52,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash -544216949, now seen corresponding path program 1 times [2020-12-23 17:21:52,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:52,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088540153] [2020-12-23 17:21:52,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 17:21:52,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088540153] [2020-12-23 17:21:52,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:52,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 17:21:52,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716376430] [2020-12-23 17:21:52,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 17:21:52,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:52,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 17:21:52,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 17:21:52,607 INFO L87 Difference]: Start difference. First operand 109 states and 114 transitions. Second operand 5 states. [2020-12-23 17:21:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:52,770 INFO L93 Difference]: Finished difference Result 123 states and 129 transitions. [2020-12-23 17:21:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:21:52,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 17:21:52,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:52,772 INFO L225 Difference]: With dead ends: 123 [2020-12-23 17:21:52,772 INFO L226 Difference]: Without dead ends: 123 [2020-12-23 17:21:52,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 17:21:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-23 17:21:52,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2020-12-23 17:21:52,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-23 17:21:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2020-12-23 17:21:52,776 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 34 [2020-12-23 17:21:52,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:52,776 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2020-12-23 17:21:52,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 17:21:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2020-12-23 17:21:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:21:52,780 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:52,780 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, 1] [2020-12-23 17:21:52,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 17:21:52,780 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:52,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:52,781 INFO L82 PathProgramCache]: Analyzing trace with hash -544216948, now seen corresponding path program 1 times [2020-12-23 17:21:52,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:52,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624440365] [2020-12-23 17:21:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 17:21:52,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624440365] [2020-12-23 17:21:52,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:52,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:21:52,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600866664] [2020-12-23 17:21:52,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:52,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:52,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:52,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:52,886 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 6 states. [2020-12-23 17:21:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:53,041 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2020-12-23 17:21:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 17:21:53,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-23 17:21:53,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:53,043 INFO L225 Difference]: With dead ends: 101 [2020-12-23 17:21:53,043 INFO L226 Difference]: Without dead ends: 101 [2020-12-23 17:21:53,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 17:21:53,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-23 17:21:53,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-23 17:21:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-23 17:21:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2020-12-23 17:21:53,046 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 34 [2020-12-23 17:21:53,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:53,047 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2020-12-23 17:21:53,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2020-12-23 17:21:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:21:53,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:53,048 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, 1] [2020-12-23 17:21:53,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 17:21:53,048 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:53,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:53,049 INFO L82 PathProgramCache]: Analyzing trace with hash -544206026, now seen corresponding path program 1 times [2020-12-23 17:21:53,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:53,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691014796] [2020-12-23 17:21:53,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:53,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691014796] [2020-12-23 17:21:53,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:53,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 17:21:53,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246812063] [2020-12-23 17:21:53,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 17:21:53,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:53,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 17:21:53,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-12-23 17:21:53,210 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand 11 states. [2020-12-23 17:21:53,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:53,809 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-12-23 17:21:53,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 17:21:53,809 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-12-23 17:21:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:53,810 INFO L225 Difference]: With dead ends: 118 [2020-12-23 17:21:53,811 INFO L226 Difference]: Without dead ends: 118 [2020-12-23 17:21:53,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-12-23 17:21:53,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-23 17:21:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2020-12-23 17:21:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-23 17:21:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2020-12-23 17:21:53,814 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 34 [2020-12-23 17:21:53,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:53,815 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2020-12-23 17:21:53,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 17:21:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2020-12-23 17:21:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 17:21:53,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:53,815 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, 1] [2020-12-23 17:21:53,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 17:21:53,816 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:53,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:53,817 INFO L82 PathProgramCache]: Analyzing trace with hash -544206025, now seen corresponding path program 1 times [2020-12-23 17:21:53,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:53,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174461830] [2020-12-23 17:21:53,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:54,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174461830] [2020-12-23 17:21:54,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:54,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 17:21:54,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896301630] [2020-12-23 17:21:54,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 17:21:54,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:54,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 17:21:54,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-12-23 17:21:54,093 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 12 states. [2020-12-23 17:21:55,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:55,027 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2020-12-23 17:21:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 17:21:55,028 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2020-12-23 17:21:55,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:55,029 INFO L225 Difference]: With dead ends: 117 [2020-12-23 17:21:55,029 INFO L226 Difference]: Without dead ends: 117 [2020-12-23 17:21:55,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2020-12-23 17:21:55,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-23 17:21:55,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 99. [2020-12-23 17:21:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-23 17:21:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 104 transitions. [2020-12-23 17:21:55,034 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 104 transitions. Word has length 34 [2020-12-23 17:21:55,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:55,034 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 104 transitions. [2020-12-23 17:21:55,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 17:21:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2020-12-23 17:21:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 17:21:55,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:55,035 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, 1, 1, 1, 1, 1] [2020-12-23 17:21:55,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 17:21:55,036 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:55,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:55,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1294391949, now seen corresponding path program 1 times [2020-12-23 17:21:55,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:55,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616592601] [2020-12-23 17:21:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:55,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616592601] [2020-12-23 17:21:55,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:55,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 17:21:55,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163799039] [2020-12-23 17:21:55,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 17:21:55,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:55,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 17:21:55,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-12-23 17:21:55,303 INFO L87 Difference]: Start difference. First operand 99 states and 104 transitions. Second operand 12 states. [2020-12-23 17:21:55,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:55,780 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2020-12-23 17:21:55,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 17:21:55,781 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2020-12-23 17:21:55,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:55,782 INFO L225 Difference]: With dead ends: 96 [2020-12-23 17:21:55,782 INFO L226 Difference]: Without dead ends: 96 [2020-12-23 17:21:55,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2020-12-23 17:21:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-12-23 17:21:55,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-12-23 17:21:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-23 17:21:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 100 transitions. [2020-12-23 17:21:55,786 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 100 transitions. Word has length 38 [2020-12-23 17:21:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:55,786 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 100 transitions. [2020-12-23 17:21:55,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 17:21:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2020-12-23 17:21:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-23 17:21:55,787 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:55,787 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:55,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 17:21:55,787 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:55,788 INFO L82 PathProgramCache]: Analyzing trace with hash -872495077, now seen corresponding path program 1 times [2020-12-23 17:21:55,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:55,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123299043] [2020-12-23 17:21:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 17:21:55,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123299043] [2020-12-23 17:21:55,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:55,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:21:55,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221700951] [2020-12-23 17:21:55,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:55,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:55,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:55,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:55,888 INFO L87 Difference]: Start difference. First operand 96 states and 100 transitions. Second operand 6 states. [2020-12-23 17:21:56,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:56,126 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2020-12-23 17:21:56,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:21:56,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-12-23 17:21:56,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:56,128 INFO L225 Difference]: With dead ends: 113 [2020-12-23 17:21:56,128 INFO L226 Difference]: Without dead ends: 113 [2020-12-23 17:21:56,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:21:56,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-23 17:21:56,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2020-12-23 17:21:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-12-23 17:21:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 99 transitions. [2020-12-23 17:21:56,131 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 99 transitions. Word has length 40 [2020-12-23 17:21:56,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:56,132 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 99 transitions. [2020-12-23 17:21:56,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2020-12-23 17:21:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-23 17:21:56,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:56,132 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:56,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 17:21:56,133 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:56,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:56,133 INFO L82 PathProgramCache]: Analyzing trace with hash -872495076, now seen corresponding path program 1 times [2020-12-23 17:21:56,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:56,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132272189] [2020-12-23 17:21:56,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 17:21:56,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132272189] [2020-12-23 17:21:56,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:21:56,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 17:21:56,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120449458] [2020-12-23 17:21:56,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 17:21:56,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:21:56,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 17:21:56,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 17:21:56,224 INFO L87 Difference]: Start difference. First operand 95 states and 99 transitions. Second operand 6 states. [2020-12-23 17:21:56,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:21:56,443 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2020-12-23 17:21:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 17:21:56,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-12-23 17:21:56,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:21:56,447 INFO L225 Difference]: With dead ends: 94 [2020-12-23 17:21:56,447 INFO L226 Difference]: Without dead ends: 94 [2020-12-23 17:21:56,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 17:21:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-23 17:21:56,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-23 17:21:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-23 17:21:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2020-12-23 17:21:56,451 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 40 [2020-12-23 17:21:56,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:21:56,452 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2020-12-23 17:21:56,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 17:21:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2020-12-23 17:21:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 17:21:56,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:21:56,453 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:21:56,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 17:21:56,453 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:21:56,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:21:56,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1277543510, now seen corresponding path program 1 times [2020-12-23 17:21:56,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:21:56,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578896332] [2020-12-23 17:21:56,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:21:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:21:57,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578896332] [2020-12-23 17:21:57,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022727201] [2020-12-23 17:21:57,073 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:21:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:21:57,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 80 conjunts are in the unsatisfiable core [2020-12-23 17:21:57,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:21:57,331 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-12-23 17:21:57,331 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-12-23 17:21:57,334 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:57,342 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:57,343 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:57,343 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:17 [2020-12-23 17:21:57,507 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:57,507 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 58 [2020-12-23 17:21:57,511 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:57,545 INFO L625 ElimStorePlain]: treesize reduction 28, result has 47.2 percent of original size [2020-12-23 17:21:57,546 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:57,547 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:25 [2020-12-23 17:21:57,888 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 13 treesize of output 9 [2020-12-23 17:21:57,889 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:57,905 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:57,906 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:57,907 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:34 [2020-12-23 17:21:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,211 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-23 17:21:58,212 INFO L348 Elim1Store]: treesize reduction 26, result has 87.3 percent of original size [2020-12-23 17:21:58,213 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 45 treesize of output 201 [2020-12-23 17:21:58,225 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:21:58,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 17:21:58,239 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:58,264 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,269 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:58,270 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:90 [2020-12-23 17:21:58,378 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_55|], 6=[|v_#memory_$Pointer$.base_56|]} [2020-12-23 17:21:58,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,393 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 50 [2020-12-23 17:21:58,396 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:58,431 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,463 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,464 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 91 [2020-12-23 17:21:58,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:21:58,476 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:58,509 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,515 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:58,516 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:112, output treesize:104 [2020-12-23 17:21:58,650 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_56|], 12=[|v_#memory_$Pointer$.base_57|]} [2020-12-23 17:21:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,666 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 62 [2020-12-23 17:21:58,668 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:58,721 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,766 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,766 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 125 [2020-12-23 17:21:58,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:21:58,775 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 17:21:58,786 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:58,825 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:58,830 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:58,830 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:130, output treesize:122 [2020-12-23 17:21:58,960 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_57|], 20=[|v_#memory_$Pointer$.base_58|]} [2020-12-23 17:21:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:58,973 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 65 [2020-12-23 17:21:58,978 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:21:59,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:59,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:59,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:59,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:59,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:59,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:21:59,101 INFO L348 Elim1Store]: treesize reduction 36, result has 65.4 percent of original size [2020-12-23 17:21:59,101 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 90 treesize of output 118 [2020-12-23 17:21:59,106 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 17:21:59,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:21:59,109 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 17:21:59,113 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:21:59,157 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:21:59,165 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:21:59,165 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:160, output treesize:122 [2020-12-23 17:22:00,320 INFO L443 ElimStorePlain]: Different costs {12=[|#memory_$Pointer$.offset|], 30=[|#memory_$Pointer$.base|]} [2020-12-23 17:22:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:00,329 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:22:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:00,332 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 58 [2020-12-23 17:22:00,336 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:00,386 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:00,393 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:22:00,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:00,468 INFO L348 Elim1Store]: treesize reduction 10, result has 87.3 percent of original size [2020-12-23 17:22:00,468 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 105 [2020-12-23 17:22:00,472 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:00,500 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:00,505 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:00,505 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:156, output treesize:40 [2020-12-23 17:22:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:22:00,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 17:22:00,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [19] total 41 [2020-12-23 17:22:00,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824032393] [2020-12-23 17:22:00,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-23 17:22:00,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:22:00,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-23 17:22:00,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1565, Unknown=0, NotChecked=0, Total=1722 [2020-12-23 17:22:00,820 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand 24 states. [2020-12-23 17:22:04,461 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-12-23 17:22:04,876 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 99 [2020-12-23 17:22:05,287 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2020-12-23 17:22:05,713 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2020-12-23 17:22:06,166 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2020-12-23 17:22:06,779 WARN L197 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2020-12-23 17:22:07,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:22:07,576 INFO L93 Difference]: Finished difference Result 111 states and 116 transitions. [2020-12-23 17:22:07,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 17:22:07,577 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 41 [2020-12-23 17:22:07,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:22:07,578 INFO L225 Difference]: With dead ends: 111 [2020-12-23 17:22:07,578 INFO L226 Difference]: Without dead ends: 111 [2020-12-23 17:22:07,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=528, Invalid=2893, Unknown=1, NotChecked=0, Total=3422 [2020-12-23 17:22:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-23 17:22:07,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 93. [2020-12-23 17:22:07,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-23 17:22:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2020-12-23 17:22:07,584 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 41 [2020-12-23 17:22:07,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:22:07,584 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2020-12-23 17:22:07,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-23 17:22:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2020-12-23 17:22:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 17:22:07,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:22:07,585 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:22:07,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-23 17:22:07,799 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:22:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:22:07,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1277543509, now seen corresponding path program 1 times [2020-12-23 17:22:07,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:22:07,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659307788] [2020-12-23 17:22:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:22:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:22:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:22:08,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659307788] [2020-12-23 17:22:08,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810385658] [2020-12-23 17:22:08,638 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:22:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:22:08,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 85 conjunts are in the unsatisfiable core [2020-12-23 17:22:08,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:22:08,835 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-12-23 17:22:08,835 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-12-23 17:22:08,837 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:08,845 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:08,846 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:22:08,846 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:17 [2020-12-23 17:22:09,052 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:09,053 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 58 [2020-12-23 17:22:09,056 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:09,107 INFO L625 ElimStorePlain]: treesize reduction 28, result has 52.5 percent of original size [2020-12-23 17:22:09,108 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:22:09,108 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:31 [2020-12-23 17:22:09,676 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 13 treesize of output 9 [2020-12-23 17:22:09,677 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:09,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:09,718 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 13 treesize of output 9 [2020-12-23 17:22:09,719 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:09,752 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:09,754 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:22:09,754 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:64, output treesize:62 [2020-12-23 17:22:09,984 INFO L443 ElimStorePlain]: Different costs {1=[|v_#length_79|], 6=[|v_#valid_102|]} [2020-12-23 17:22:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:09,992 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2020-12-23 17:22:09,994 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:10,036 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,080 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,080 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 107 [2020-12-23 17:22:10,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:22:10,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 17:22:10,088 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:10,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,121 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:10,121 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:122, output treesize:109 [2020-12-23 17:22:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,337 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,338 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 111 [2020-12-23 17:22:10,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:22:10,348 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:22:10,389 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,408 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,409 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 87 [2020-12-23 17:22:10,412 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:10,496 INFO L625 ElimStorePlain]: treesize reduction 40, result has 75.5 percent of original size [2020-12-23 17:22:10,500 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:10,501 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:123 [2020-12-23 17:22:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,721 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,721 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 145 [2020-12-23 17:22:10,726 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 17:22:10,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:22:10,730 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:22:10,786 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:10,808 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:10,814 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 99 [2020-12-23 17:22:10,820 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:10,916 INFO L625 ElimStorePlain]: treesize reduction 40, result has 77.9 percent of original size [2020-12-23 17:22:10,919 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:10,920 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:149, output treesize:141 [2020-12-23 17:22:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,121 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:11,122 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 102 [2020-12-23 17:22:11,126 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:11,253 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-23 17:22:11,254 INFO L625 ElimStorePlain]: treesize reduction 40, result has 80.0 percent of original size [2020-12-23 17:22:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:11,347 INFO L348 Elim1Store]: treesize reduction 36, result has 65.4 percent of original size [2020-12-23 17:22:11,347 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 138 [2020-12-23 17:22:11,352 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 17:22:11,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:22:11,358 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 17:22:11,369 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:22:11,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:11,422 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:11,422 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:179, output treesize:141 [2020-12-23 17:22:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:12,312 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:22:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:12,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:12,319 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:22:12,342 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:12,343 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 113 [2020-12-23 17:22:12,348 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:22:12,349 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:22:12,352 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:22:12,357 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:22:12,358 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:22:12,360 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:22:12,362 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:12,457 INFO L625 ElimStorePlain]: treesize reduction 36, result has 72.9 percent of original size [2020-12-23 17:22:12,465 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:12,466 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:178, output treesize:97 [2020-12-23 17:22:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:12,851 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:22:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:22:12,940 INFO L348 Elim1Store]: treesize reduction 10, result has 87.3 percent of original size [2020-12-23 17:22:12,940 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 102 [2020-12-23 17:22:12,944 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:22:12,971 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:22:12,976 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:22:12,977 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:104, output treesize:24 [2020-12-23 17:22:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:22:13,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 17:22:13,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25] total 43 [2020-12-23 17:22:13,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676916747] [2020-12-23 17:22:13,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-12-23 17:22:13,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:22:13,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-12-23 17:22:13,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1774, Unknown=0, NotChecked=0, Total=1892 [2020-12-23 17:22:13,261 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand 44 states. [2020-12-23 17:22:14,672 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-23 17:22:15,112 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-12-23 17:22:15,409 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2020-12-23 17:22:17,909 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-12-23 17:22:22,635 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 123 [2020-12-23 17:22:23,101 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2020-12-23 17:22:27,792 WARN L197 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2020-12-23 17:22:30,451 WARN L197 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 156 DAG size of output: 118 [2020-12-23 17:22:31,036 WARN L197 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 118 [2020-12-23 17:22:31,782 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 148 [2020-12-23 17:22:38,590 WARN L197 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 178 DAG size of output: 149 [2020-12-23 17:22:43,494 WARN L197 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 186 DAG size of output: 156 [2020-12-23 17:22:43,897 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2020-12-23 17:22:45,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:22:45,302 INFO L93 Difference]: Finished difference Result 110 states and 115 transitions. [2020-12-23 17:22:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 17:22:45,303 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 41 [2020-12-23 17:22:45,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:22:45,305 INFO L225 Difference]: With dead ends: 110 [2020-12-23 17:22:45,305 INFO L226 Difference]: Without dead ends: 110 [2020-12-23 17:22:45,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 28.2s TimeCoverageRelationStatistics Valid=528, Invalid=3631, Unknown=1, NotChecked=0, Total=4160 [2020-12-23 17:22:45,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-23 17:22:45,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 92. [2020-12-23 17:22:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-23 17:22:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 96 transitions. [2020-12-23 17:22:45,310 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 96 transitions. Word has length 41 [2020-12-23 17:22:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:22:45,310 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 96 transitions. [2020-12-23 17:22:45,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-12-23 17:22:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2020-12-23 17:22:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 17:22:45,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:22:45,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:22:45,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:22:45,525 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:22:45,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:22:45,526 INFO L82 PathProgramCache]: Analyzing trace with hash 2144419984, now seen corresponding path program 1 times [2020-12-23 17:22:45,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:22:45,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134539313] [2020-12-23 17:22:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:22:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:22:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:22:46,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134539313] [2020-12-23 17:22:46,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:22:46,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-12-23 17:22:46,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350875288] [2020-12-23 17:22:46,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 17:22:46,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:22:46,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 17:22:46,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2020-12-23 17:22:46,677 INFO L87 Difference]: Start difference. First operand 92 states and 96 transitions. Second operand 21 states. [2020-12-23 17:22:47,824 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-12-23 17:22:48,032 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-12-23 17:22:48,192 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-12-23 17:22:48,594 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2020-12-23 17:22:49,047 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 70 [2020-12-23 17:22:49,413 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 70 [2020-12-23 17:22:49,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:22:49,575 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2020-12-23 17:22:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 17:22:49,576 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 45 [2020-12-23 17:22:49,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:22:49,578 INFO L225 Difference]: With dead ends: 92 [2020-12-23 17:22:49,578 INFO L226 Difference]: Without dead ends: 92 [2020-12-23 17:22:49,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=260, Invalid=862, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 17:22:49,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-23 17:22:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2020-12-23 17:22:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-23 17:22:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2020-12-23 17:22:49,582 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 45 [2020-12-23 17:22:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:22:49,582 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2020-12-23 17:22:49,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 17:22:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2020-12-23 17:22:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 17:22:49,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:22:49,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:22:49,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 17:22:49,583 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:22:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:22:49,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2144419983, now seen corresponding path program 1 times [2020-12-23 17:22:49,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:22:49,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949028968] [2020-12-23 17:22:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:22:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:22:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:22:50,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949028968] [2020-12-23 17:22:50,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:22:50,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-12-23 17:22:50,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899275030] [2020-12-23 17:22:50,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 17:22:50,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:22:50,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 17:22:50,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2020-12-23 17:22:50,450 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand 20 states. [2020-12-23 17:22:51,619 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-12-23 17:22:51,825 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-12-23 17:22:52,009 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2020-12-23 17:22:52,189 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-12-23 17:22:52,359 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-12-23 17:22:52,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:22:52,553 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2020-12-23 17:22:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 17:22:52,557 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 45 [2020-12-23 17:22:52,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:22:52,558 INFO L225 Difference]: With dead ends: 107 [2020-12-23 17:22:52,558 INFO L226 Difference]: Without dead ends: 107 [2020-12-23 17:22:52,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2020-12-23 17:22:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-23 17:22:52,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 87. [2020-12-23 17:22:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-23 17:22:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-12-23 17:22:52,561 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 45 [2020-12-23 17:22:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:22:52,562 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-12-23 17:22:52,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-23 17:22:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-12-23 17:22:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 17:22:52,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:22:52,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:22:52,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 17:22:52,563 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:22:52,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:22:52,563 INFO L82 PathProgramCache]: Analyzing trace with hash -796694591, now seen corresponding path program 1 times [2020-12-23 17:22:52,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:22:52,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170983325] [2020-12-23 17:22:52,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:22:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:22:53,789 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-12-23 17:22:54,234 WARN L197 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-23 17:22:54,451 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-12-23 17:22:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:22:54,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170983325] [2020-12-23 17:22:54,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:22:54,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-12-23 17:22:54,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462110006] [2020-12-23 17:22:54,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 17:22:54,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:22:54,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 17:22:54,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2020-12-23 17:22:54,817 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 25 states. [2020-12-23 17:22:55,877 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-23 17:22:56,146 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-23 17:22:56,387 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2020-12-23 17:22:56,682 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2020-12-23 17:22:57,060 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2020-12-23 17:22:57,400 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2020-12-23 17:22:57,779 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2020-12-23 17:22:58,305 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2020-12-23 17:22:58,716 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2020-12-23 17:22:59,107 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2020-12-23 17:22:59,673 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-12-23 17:22:59,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:22:59,827 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2020-12-23 17:22:59,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 17:22:59,828 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2020-12-23 17:22:59,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:22:59,830 INFO L225 Difference]: With dead ends: 105 [2020-12-23 17:22:59,830 INFO L226 Difference]: Without dead ends: 105 [2020-12-23 17:22:59,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=353, Invalid=1369, Unknown=0, NotChecked=0, Total=1722 [2020-12-23 17:22:59,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-12-23 17:22:59,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 87. [2020-12-23 17:22:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-23 17:22:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2020-12-23 17:22:59,834 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 47 [2020-12-23 17:22:59,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:22:59,835 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2020-12-23 17:22:59,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 17:22:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2020-12-23 17:22:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 17:22:59,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:22:59,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:22:59,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 17:22:59,836 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:22:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:22:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1119335660, now seen corresponding path program 1 times [2020-12-23 17:22:59,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:22:59,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852401747] [2020-12-23 17:22:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:22:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:23:00,766 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-12-23 17:23:01,038 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-12-23 17:23:01,305 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 36 [2020-12-23 17:23:01,676 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2020-12-23 17:23:02,754 WARN L197 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-12-23 17:23:03,126 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-12-23 17:23:03,361 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-12-23 17:23:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:23:03,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852401747] [2020-12-23 17:23:03,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:23:03,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-23 17:23:03,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554056656] [2020-12-23 17:23:03,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 17:23:03,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:23:03,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 17:23:03,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2020-12-23 17:23:03,660 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand 25 states. [2020-12-23 17:23:05,023 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-12-23 17:23:05,240 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2020-12-23 17:23:05,499 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-12-23 17:23:05,749 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2020-12-23 17:23:05,957 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2020-12-23 17:23:06,244 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2020-12-23 17:23:06,540 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2020-12-23 17:23:06,910 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2020-12-23 17:23:07,873 WARN L197 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 112 [2020-12-23 17:23:08,628 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 99 [2020-12-23 17:23:09,264 WARN L197 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 93 [2020-12-23 17:23:09,972 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 100 [2020-12-23 17:23:10,774 WARN L197 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 100 [2020-12-23 17:23:11,466 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 102 [2020-12-23 17:23:12,163 WARN L197 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 105 [2020-12-23 17:23:12,881 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 96 [2020-12-23 17:23:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:23:13,409 INFO L93 Difference]: Finished difference Result 109 states and 112 transitions. [2020-12-23 17:23:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 17:23:13,410 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 49 [2020-12-23 17:23:13,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:23:13,412 INFO L225 Difference]: With dead ends: 109 [2020-12-23 17:23:13,412 INFO L226 Difference]: Without dead ends: 109 [2020-12-23 17:23:13,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=530, Invalid=1632, Unknown=0, NotChecked=0, Total=2162 [2020-12-23 17:23:13,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-23 17:23:13,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 88. [2020-12-23 17:23:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-23 17:23:13,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2020-12-23 17:23:13,417 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 49 [2020-12-23 17:23:13,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:23:13,417 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2020-12-23 17:23:13,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 17:23:13,417 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2020-12-23 17:23:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 17:23:13,418 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:23:13,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:23:13,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 17:23:13,418 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:23:13,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:23:13,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1119335659, now seen corresponding path program 1 times [2020-12-23 17:23:13,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:23:13,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683033952] [2020-12-23 17:23:13,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:23:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:23:14,662 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-23 17:23:14,904 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-23 17:23:15,392 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-12-23 17:23:16,024 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2020-12-23 17:23:16,932 WARN L197 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2020-12-23 17:23:17,427 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-23 17:23:17,959 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2020-12-23 17:23:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:23:18,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683033952] [2020-12-23 17:23:18,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:23:18,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-12-23 17:23:18,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973536497] [2020-12-23 17:23:18,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-23 17:23:18,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:23:18,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-23 17:23:18,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2020-12-23 17:23:18,365 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 26 states. [2020-12-23 17:23:19,700 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-23 17:23:20,091 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-12-23 17:23:20,360 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-12-23 17:23:20,691 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-12-23 17:23:21,182 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2020-12-23 17:23:21,699 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2020-12-23 17:23:22,344 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2020-12-23 17:23:23,550 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 203 DAG size of output: 148 [2020-12-23 17:23:25,638 WARN L197 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 236 DAG size of output: 156 [2020-12-23 17:23:27,766 WARN L197 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 245 DAG size of output: 165 [2020-12-23 17:23:29,940 WARN L197 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 245 DAG size of output: 165 [2020-12-23 17:23:32,272 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 250 DAG size of output: 170 [2020-12-23 17:23:34,537 WARN L197 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 241 DAG size of output: 161 [2020-12-23 17:23:36,894 WARN L197 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 205 DAG size of output: 111 [2020-12-23 17:23:37,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:23:37,202 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2020-12-23 17:23:37,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 17:23:37,203 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 49 [2020-12-23 17:23:37,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:23:37,205 INFO L225 Difference]: With dead ends: 111 [2020-12-23 17:23:37,205 INFO L226 Difference]: Without dead ends: 111 [2020-12-23 17:23:37,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=394, Invalid=1586, Unknown=0, NotChecked=0, Total=1980 [2020-12-23 17:23:37,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-23 17:23:37,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 90. [2020-12-23 17:23:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-23 17:23:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2020-12-23 17:23:37,209 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 49 [2020-12-23 17:23:37,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:23:37,210 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2020-12-23 17:23:37,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-12-23 17:23:37,210 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2020-12-23 17:23:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 17:23:37,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:23:37,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:23:37,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 17:23:37,211 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:23:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:23:37,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1939740969, now seen corresponding path program 1 times [2020-12-23 17:23:37,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:23:37,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503534318] [2020-12-23 17:23:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:23:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:23:38,300 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-23 17:23:38,901 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-23 17:23:39,719 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-23 17:23:39,983 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-23 17:23:40,246 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-12-23 17:23:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:23:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503534318] [2020-12-23 17:23:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678041879] [2020-12-23 17:23:41,063 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:23:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:23:41,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 143 conjunts are in the unsatisfiable core [2020-12-23 17:23:41,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:23:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:41,248 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-12-23 17:23:41,249 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:41,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:41,268 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:41,268 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:23 [2020-12-23 17:23:41,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:41,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:41,712 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:41,712 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 47 [2020-12-23 17:23:41,715 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 17:23:41,717 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:41,752 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:41,753 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:41,754 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2020-12-23 17:23:42,129 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-23 17:23:42,134 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:42,175 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:42,177 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:42,177 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:50 [2020-12-23 17:23:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:42,789 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-12-23 17:23:42,790 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:42,829 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:42,830 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:42,830 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:50 [2020-12-23 17:23:42,852 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2020-12-23 17:23:42,853 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:42,890 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:42,891 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:42,892 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:47 [2020-12-23 17:23:43,279 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-12-23 17:23:43,281 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:43,319 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:43,320 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:43,320 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:47 [2020-12-23 17:23:43,333 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_63|], 2=[|v_#memory_int_50|]} [2020-12-23 17:23:43,341 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-23 17:23:43,342 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:43,398 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:43,407 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2020-12-23 17:23:43,411 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:43,458 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:43,459 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:43,460 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2020-12-23 17:23:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:43,958 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:43,959 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 47 [2020-12-23 17:23:43,962 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:23:43,963 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 17:23:43,967 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:44,025 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:44,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:44,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:125 [2020-12-23 17:23:44,318 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_51|, |v_#memory_$Pointer$.offset_62|], 6=[|v_#memory_$Pointer$.base_64|]} [2020-12-23 17:23:44,330 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2020-12-23 17:23:44,332 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:44,420 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:44,430 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 81 [2020-12-23 17:23:44,433 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:44,506 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:44,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:44,527 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:44,530 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 66 [2020-12-23 17:23:44,533 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:44,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:44,603 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:44,604 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:165, output treesize:142 [2020-12-23 17:23:44,904 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_52|], 6=[|v_#memory_$Pointer$.offset_63|], 12=[|v_#memory_$Pointer$.base_65|]} [2020-12-23 17:23:44,914 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2020-12-23 17:23:44,915 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,004 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,018 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 93 [2020-12-23 17:23:45,020 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,110 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,122 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,144 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,145 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 100 [2020-12-23 17:23:45,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:23:45,153 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,238 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,239 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,240 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:187, output treesize:160 [2020-12-23 17:23:45,557 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_53|], 12=[|v_#memory_$Pointer$.offset_64|], 20=[|v_#memory_$Pointer$.base_66|]} [2020-12-23 17:23:45,566 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2020-12-23 17:23:45,567 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,687 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-23 17:23:45,688 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,708 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 96 [2020-12-23 17:23:45,710 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,820 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 17:23:45,821 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:45,852 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,852 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 129 treesize of output 89 [2020-12-23 17:23:45,856 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:45,958 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:45,958 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:211, output treesize:160 [2020-12-23 17:23:46,914 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-23 17:23:47,259 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 17:23:47,608 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-23 17:23:47,968 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-23 17:23:48,349 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 17:23:48,733 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 17:23:48,753 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_54|], 20=[|v_#memory_$Pointer$.offset_65|], 42=[|v_#memory_$Pointer$.base_67|]} [2020-12-23 17:23:48,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:48,770 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2020-12-23 17:23:48,772 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:48,916 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 17:23:48,917 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:48,929 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:48,933 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 112 [2020-12-23 17:23:48,936 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,048 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 17:23:49,049 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,059 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,066 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:49,087 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:49,088 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 125 treesize of output 115 [2020-12-23 17:23:49,092 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,185 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:49,188 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,189 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:228, output treesize:110 [2020-12-23 17:23:49,531 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_55|], 12=[|v_#memory_$Pointer$.offset_66|], 20=[|v_#memory_$Pointer$.base_68|]} [2020-12-23 17:23:49,539 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-12-23 17:23:49,541 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,656 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 17:23:49,657 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,673 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2020-12-23 17:23:49,679 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,778 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:49,794 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2020-12-23 17:23:49,797 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:49,886 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:49,886 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:147, output treesize:110 [2020-12-23 17:23:50,237 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_56|], 12=[|v_#memory_$Pointer$.offset_67|], 20=[|v_#memory_$Pointer$.base_69|]} [2020-12-23 17:23:50,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,247 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 21 [2020-12-23 17:23:50,248 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:50,353 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 17:23:50,353 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,372 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 99 [2020-12-23 17:23:50,375 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:50,474 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:50,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:50,492 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:50,518 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:50,519 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 118 treesize of output 114 [2020-12-23 17:23:50,522 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:50,613 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:50,617 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:50,617 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:221, output treesize:149 [2020-12-23 17:23:50,995 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_57|], 20=[|v_#memory_$Pointer$.base_70|, |v_#memory_$Pointer$.offset_68|]} [2020-12-23 17:23:51,006 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2020-12-23 17:23:51,007 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:51,118 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 17:23:51,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,144 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:51,182 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:51,183 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 104 treesize of output 145 [2020-12-23 17:23:51,187 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:51,291 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 17:23:51,292 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,311 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 88 [2020-12-23 17:23:51,313 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:51,416 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 17:23:51,417 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:51,418 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:51,418 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:186, output treesize:163 [2020-12-23 17:23:51,786 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 17:23:51,816 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_int_58|], 30=[|v_#memory_$Pointer$.base_71|, |v_#memory_$Pointer$.offset_69|]} [2020-12-23 17:23:51,826 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 37 [2020-12-23 17:23:51,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:51,955 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 17:23:51,956 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:51,971 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:52,235 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-12-23 17:23:52,236 INFO L348 Elim1Store]: treesize reduction 12, result has 93.6 percent of original size [2020-12-23 17:23:52,237 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 11 case distinctions, treesize of input 303 treesize of output 346 [2020-12-23 17:23:52,244 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:52,454 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-23 17:23:52,454 INFO L625 ElimStorePlain]: treesize reduction 20, result has 93.6 percent of original size [2020-12-23 17:23:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:52,627 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-23 17:23:52,627 INFO L348 Elim1Store]: treesize reduction 16, result has 88.1 percent of original size [2020-12-23 17:23:52,628 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 7 case distinctions, treesize of input 255 treesize of output 265 [2020-12-23 17:23:52,643 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:23:52,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:23:52,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:23:52,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:23:52,646 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:23:52,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:23:52,649 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:23:52,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:23:52,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:23:52,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:23:52,652 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 17:23:52,654 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:23:52,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:23:52,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:23:52,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:23:52,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:23:52,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:23:52,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:23:52,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:23:52,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:23:52,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:23:52,673 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:52,871 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-12-23 17:23:52,872 INFO L625 ElimStorePlain]: treesize reduction 174, result has 60.7 percent of original size [2020-12-23 17:23:52,874 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:52,875 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:378, output treesize:333 [2020-12-23 17:23:53,972 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:23:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:54,068 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:54,069 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 343 treesize of output 272 [2020-12-23 17:23:54,077 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:23:54,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:23:54,078 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:23:54,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:23:54,081 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:23:54,083 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:23:54,084 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 17:23:54,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:23:54,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:23:54,089 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:23:54,090 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:23:54,093 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:23:54,095 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:23:54,096 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 17:23:54,097 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:23:54,099 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:23:54,101 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 17:23:54,102 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:23:54,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:23:54,111 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:23:54,113 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 17:23:54,114 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:23:54,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:23:54,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:23:54,128 INFO L547 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:23:54,285 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-23 17:23:54,286 INFO L625 ElimStorePlain]: treesize reduction 17, result has 89.2 percent of original size [2020-12-23 17:23:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:23:54,305 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:54,306 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 55 [2020-12-23 17:23:54,311 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:54,349 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:54,353 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:54,353 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:363, output treesize:16 [2020-12-23 17:23:54,644 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-23 17:23:54,645 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:23:54,648 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:23:54,648 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:23:54,649 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2020-12-23 17:23:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:23:54,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 17:23:54,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 65 [2020-12-23 17:23:54,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872349145] [2020-12-23 17:23:54,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-12-23 17:23:54,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:23:54,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-12-23 17:23:54,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=4002, Unknown=0, NotChecked=0, Total=4160 [2020-12-23 17:23:54,699 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand 65 states. [2020-12-23 17:23:55,796 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-12-23 17:23:56,103 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-12-23 17:23:56,627 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-12-23 17:23:57,009 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2020-12-23 17:23:57,503 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-12-23 17:23:58,200 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-12-23 17:23:58,905 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2020-12-23 17:23:59,694 WARN L197 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 105 [2020-12-23 17:24:00,835 WARN L197 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 132 [2020-12-23 17:24:02,075 WARN L197 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 137 [2020-12-23 17:24:02,982 WARN L197 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 107 [2020-12-23 17:24:03,666 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2020-12-23 17:24:04,514 WARN L197 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 106 [2020-12-23 17:24:05,665 WARN L197 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2020-12-23 17:24:06,991 WARN L197 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 133 [2020-12-23 17:24:08,288 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 211 DAG size of output: 141 [2020-12-23 17:24:09,612 WARN L197 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 134 [2020-12-23 17:24:10,959 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 216 DAG size of output: 138 [2020-12-23 17:24:12,367 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 216 DAG size of output: 138 [2020-12-23 17:24:13,196 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 96 [2020-12-23 17:24:15,562 WARN L197 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 200 DAG size of output: 106 [2020-12-23 17:24:18,585 WARN L197 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 208 DAG size of output: 114 [2020-12-23 17:24:22,681 WARN L197 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 212 DAG size of output: 117 [2020-12-23 17:24:27,487 WARN L197 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 213 DAG size of output: 134 [2020-12-23 17:24:33,462 WARN L197 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 219 DAG size of output: 150 [2020-12-23 17:24:39,934 WARN L197 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 219 DAG size of output: 150 [2020-12-23 17:24:46,777 WARN L197 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 225 DAG size of output: 156 [2020-12-23 17:24:51,915 WARN L197 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 219 DAG size of output: 140 [2020-12-23 17:24:57,100 WARN L197 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 221 DAG size of output: 142 [2020-12-23 17:25:05,704 WARN L197 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 188 DAG size of output: 114 [2020-12-23 17:25:07,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:25:07,313 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2020-12-23 17:25:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 17:25:07,315 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 51 [2020-12-23 17:25:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:25:07,315 INFO L225 Difference]: With dead ends: 109 [2020-12-23 17:25:07,315 INFO L226 Difference]: Without dead ends: 109 [2020-12-23 17:25:07,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 72.3s TimeCoverageRelationStatistics Valid=748, Invalid=8564, Unknown=0, NotChecked=0, Total=9312 [2020-12-23 17:25:07,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-23 17:25:07,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 90. [2020-12-23 17:25:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-23 17:25:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 93 transitions. [2020-12-23 17:25:07,321 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 93 transitions. Word has length 51 [2020-12-23 17:25:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:25:07,321 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 93 transitions. [2020-12-23 17:25:07,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-12-23 17:25:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2020-12-23 17:25:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 17:25:07,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:25:07,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:25:07,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:25:07,535 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-23 17:25:07,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:25:07,536 INFO L82 PathProgramCache]: Analyzing trace with hash 687427427, now seen corresponding path program 1 times [2020-12-23 17:25:07,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:25:07,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363838639] [2020-12-23 17:25:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:25:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:25:09,375 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-23 17:25:09,614 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-12-23 17:25:09,900 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-12-23 17:25:10,119 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 17:25:10,343 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 17:25:10,588 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-12-23 17:25:10,810 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-12-23 17:25:11,360 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-12-23 17:25:11,894 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2020-12-23 17:25:12,485 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-12-23 17:25:13,373 WARN L197 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2020-12-23 17:25:15,119 WARN L197 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2020-12-23 17:25:15,918 WARN L197 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2020-12-23 17:25:16,594 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-12-23 17:25:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:25:17,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363838639] [2020-12-23 17:25:17,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790944713] [2020-12-23 17:25:17,778 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 17:25:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:25:17,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 122 conjunts are in the unsatisfiable core [2020-12-23 17:25:17,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 17:25:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:17,994 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-12-23 17:25:17,996 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:18,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:18,015 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:18,016 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:20 [2020-12-23 17:25:18,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:18,576 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:18,577 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2020-12-23 17:25:18,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:25:18,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 17:25:18,585 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:18,624 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:18,627 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:18,627 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:39 [2020-12-23 17:25:19,457 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 17:25:19,458 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:19,506 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:19,508 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:19,508 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:49 [2020-12-23 17:25:19,741 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-23 17:25:19,743 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:19,791 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:19,793 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:19,794 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:55 [2020-12-23 17:25:20,309 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:20,310 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 52 [2020-12-23 17:25:20,312 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:20,436 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-12-23 17:25:20,437 INFO L625 ElimStorePlain]: treesize reduction 22, result has 73.8 percent of original size [2020-12-23 17:25:20,439 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:20,439 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:66, output treesize:62 [2020-12-23 17:25:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:20,698 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:20,699 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 92 [2020-12-23 17:25:20,702 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:20,754 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:20,756 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:20,757 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:77 [2020-12-23 17:25:21,290 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_80|], 10=[|v_#valid_108|]} [2020-12-23 17:25:21,300 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-23 17:25:21,301 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:21,406 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-23 17:25:21,407 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:21,503 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:21,504 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 157 [2020-12-23 17:25:21,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 17:25:21,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 17:25:21,513 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:21,614 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-23 17:25:21,615 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:21,618 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:21,618 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:176, output treesize:193 [2020-12-23 17:25:22,020 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-23 17:25:22,049 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_70|], 20=[|v_#memory_$Pointer$.base_76|]} [2020-12-23 17:25:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:22,060 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 117 [2020-12-23 17:25:22,063 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:22,173 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 17:25:22,174 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:22,407 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 17:25:22,408 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:22,408 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 161 treesize of output 267 [2020-12-23 17:25:22,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:22,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:22,415 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:22,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:25:22,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 17:25:22,419 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:22,533 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-23 17:25:22,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:22,537 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:22,537 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:215, output treesize:217 [2020-12-23 17:25:22,937 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-23 17:25:22,951 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_$Pointer$.offset_71|], 30=[|v_#memory_$Pointer$.base_77|]} [2020-12-23 17:25:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:22,964 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 139 [2020-12-23 17:25:22,967 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:23,099 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 17:25:23,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:23,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:23,397 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 17:25:23,398 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:23,399 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 180 treesize of output 339 [2020-12-23 17:25:23,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:23,406 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:23,407 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:23,408 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:23,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:23,410 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:23,410 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:23,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:25:23,413 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:23,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:23,415 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:23,416 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:23,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 17:25:23,420 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:23,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:23,422 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:23,423 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:23,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 17:25:23,429 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:23,551 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 17:25:23,552 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:23,565 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:23,565 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:243, output treesize:225 [2020-12-23 17:25:23,985 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 17:25:24,004 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_72|], 42=[|v_#memory_$Pointer$.base_78|]} [2020-12-23 17:25:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,025 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 132 [2020-12-23 17:25:24,027 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:24,177 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-23 17:25:24,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:24,754 WARN L197 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2020-12-23 17:25:24,755 INFO L348 Elim1Store]: treesize reduction 96, result has 71.9 percent of original size [2020-12-23 17:25:24,756 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 318 [2020-12-23 17:25:24,763 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:25:24,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:24,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:25:24,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:24,766 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:24,767 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:24,768 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:24,769 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:24,770 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:24,773 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:24,774 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:24,775 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:24,776 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:24,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:24,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:25:24,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:24,781 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:24,782 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:24,783 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:24,784 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:24,784 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:24,787 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:24,788 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:24,789 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:24,790 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 17:25:24,796 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:24,925 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 17:25:24,925 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:24,928 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:24,929 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:263, output treesize:225 [2020-12-23 17:25:25,346 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 17:25:25,771 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 17:25:26,212 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 17:25:26,773 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-23 17:25:27,268 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 17:25:27,773 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 17:25:28,268 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 17:25:28,825 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 17:25:29,378 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 17:25:29,399 INFO L443 ElimStorePlain]: Different costs {20=[|v_#memory_$Pointer$.offset_73|], 72=[|v_#memory_$Pointer$.base_79|]} [2020-12-23 17:25:29,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:29,411 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:29,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:29,416 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 148 [2020-12-23 17:25:29,420 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:29,587 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 17:25:29,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:29,599 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:29,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:29,612 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:29,965 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 17:25:29,966 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:29,967 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 161 treesize of output 350 [2020-12-23 17:25:29,976 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:30,260 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-23 17:25:30,261 INFO L625 ElimStorePlain]: treesize reduction 4, result has 97.5 percent of original size [2020-12-23 17:25:30,264 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:30,264 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:270, output treesize:155 [2020-12-23 17:25:30,717 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 17:25:30,741 INFO L443 ElimStorePlain]: Different costs {12=[|v_#memory_$Pointer$.offset_74|], 42=[|v_#memory_$Pointer$.base_80|]} [2020-12-23 17:25:30,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:30,829 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:30,830 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 78 [2020-12-23 17:25:30,833 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:31,201 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-12-23 17:25:31,202 INFO L625 ElimStorePlain]: treesize reduction 38, result has 82.2 percent of original size [2020-12-23 17:25:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:31,229 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:31,444 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-23 17:25:31,445 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:31,446 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 245 [2020-12-23 17:25:31,453 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:31,824 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-12-23 17:25:31,827 INFO L625 ElimStorePlain]: treesize reduction 32, result has 85.0 percent of original size [2020-12-23 17:25:31,830 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:31,831 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:31,832 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:31,832 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:180, output treesize:182 [2020-12-23 17:25:31,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:31,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:34,385 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 17:25:34,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:34,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:34,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:34,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:34,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:34,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 17:25:34,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:34,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 17:25:34,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 17:25:34,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:34,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 17:25:34,450 INFO L443 ElimStorePlain]: Different costs {42=[|v_#memory_$Pointer$.offset_75|], 90=[|v_#memory_$Pointer$.base_81|]} [2020-12-23 17:25:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:34,592 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:34,592 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 227 treesize of output 240 [2020-12-23 17:25:34,598 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:34,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:34,704 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:34,704 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 215 [2020-12-23 17:25:34,708 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:34,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:34,794 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:34,795 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 215 [2020-12-23 17:25:34,799 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:36,114 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 131 DAG size of output: 112 [2020-12-23 17:25:36,115 INFO L625 ElimStorePlain]: treesize reduction 140, result has 83.9 percent of original size [2020-12-23 17:25:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,237 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,750 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-12-23 17:25:36,751 INFO L348 Elim1Store]: treesize reduction 30, result has 86.8 percent of original size [2020-12-23 17:25:36,752 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 169 treesize of output 274 [2020-12-23 17:25:36,762 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 17:25:36,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 17:25:36,766 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:36,904 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:37,462 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-12-23 17:25:37,464 INFO L348 Elim1Store]: treesize reduction 30, result has 87.6 percent of original size [2020-12-23 17:25:37,464 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 169 treesize of output 288 [2020-12-23 17:25:37,482 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[21, 3, 2, 1] term [2020-12-23 17:25:37,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 21 disjuncts [2020-12-23 17:25:37,486 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:37,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:37,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:37,568 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:38,372 WARN L197 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2020-12-23 17:25:38,373 INFO L348 Elim1Store]: treesize reduction 62, result has 85.1 percent of original size [2020-12-23 17:25:38,374 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 450 [2020-12-23 17:25:38,382 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[24, 3, 2, 1] term [2020-12-23 17:25:38,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 24 disjuncts [2020-12-23 17:25:38,390 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:39,410 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 134 DAG size of output: 128 [2020-12-23 17:25:39,412 INFO L625 ElimStorePlain]: treesize reduction 46, result has 93.0 percent of original size [2020-12-23 17:25:39,417 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2020-12-23 17:25:39,418 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:875, output treesize:612 [2020-12-23 17:25:40,530 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-12-23 17:25:40,543 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 17:25:40,551 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 17:25:40,557 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 17:25:40,575 INFO L443 ElimStorePlain]: Different costs {89=[|v_#memory_$Pointer$.offset_76|], 230=[|v_#memory_$Pointer$.base_82|]} [2020-12-23 17:25:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,674 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2020-12-23 17:25:40,678 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:40,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,765 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-12-23 17:25:40,769 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:40,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:40,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:41,119 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-23 17:25:41,120 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:41,120 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 193 treesize of output 343 [2020-12-23 17:25:41,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:41,128 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 17:25:41,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:41,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:41,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:25:41,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:41,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:41,135 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:41,142 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:41,143 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 17:25:41,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:41,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:41,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:25:41,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:41,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:41,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 17:25:41,152 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 17:25:42,485 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 181 DAG size of output: 142 [2020-12-23 17:25:42,487 INFO L625 ElimStorePlain]: treesize reduction 162, result has 79.6 percent of original size [2020-12-23 17:25:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:42,621 INFO L244 Elim1Store]: Index analysis took 119 ms [2020-12-23 17:25:42,679 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:43,442 WARN L197 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-12-23 17:25:43,444 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:43,444 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 164 treesize of output 505 [2020-12-23 17:25:43,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 22 disjuncts [2020-12-23 17:25:43,454 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 21 disjuncts [2020-12-23 17:25:43,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 17:25:43,456 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 19 disjuncts [2020-12-23 17:25:43,457 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 18 disjuncts [2020-12-23 17:25:43,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 17:25:43,459 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-23 17:25:43,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 17:25:43,460 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:43,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 17:25:43,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:43,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:43,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:43,466 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:43,467 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:43,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:43,468 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:43,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:43,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:43,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:43,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:43,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:43,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:43,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 18 disjuncts [2020-12-23 17:25:43,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 17:25:43,482 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-23 17:25:43,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 17:25:43,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:43,486 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 17:25:43,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:43,488 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:43,489 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:43,490 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:43,491 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 17:25:43,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:43,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:43,494 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:43,497 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:43,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 17:25:43,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:43,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:43,501 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:43,512 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,593 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,824 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 17:25:43,825 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:43,826 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 111 treesize of output 236 [2020-12-23 17:25:43,834 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:43,901 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 17:25:44,435 WARN L197 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-23 17:25:44,436 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:44,437 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 153 treesize of output 397 [2020-12-23 17:25:44,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 17:25:44,447 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 17 disjuncts [2020-12-23 17:25:44,448 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-23 17:25:44,449 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-23 17:25:44,449 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-23 17:25:44,450 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:44,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:44,452 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:25:44,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,454 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,457 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,462 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,470 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,471 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,474 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:44,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:44,478 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 17:25:44,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:44,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,481 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,484 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:44,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:44,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:44,487 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:44,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:44,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:44,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,492 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 17:25:44,494 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 17:25:44,497 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-23 17:25:44,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 15 disjuncts [2020-12-23 17:25:44,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:44,501 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 17:25:44,501 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:25:44,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,503 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,504 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,521 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,522 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,524 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,528 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,529 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,532 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 17:25:44,532 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 17:25:44,537 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 16 disjuncts [2020-12-23 17:25:44,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 17:25:44,540 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 17:25:44,541 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:25:44,541 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,542 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,549 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,550 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 17:25:44,551 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,552 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,553 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 17:25:44,555 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 17:25:44,556 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 17:25:44,557 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 17:25:44,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 17:25:44,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 17:25:44,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 17:25:44,577 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2020-12-23 17:25:45,859 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2020-12-23 17:25:45,861 INFO L625 ElimStorePlain]: treesize reduction 102, result has 84.3 percent of original size [2020-12-23 17:25:45,870 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-12-23 17:25:45,870 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:678, output treesize:503 [2020-12-23 17:25:46,939 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-12-23 17:25:46,953 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 23, 1] term [2020-12-23 17:25:46,953 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 17:25:46,959 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 11, 1] term [2020-12-23 17:25:46,959 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 17:25:46,984 INFO L443 ElimStorePlain]: Different costs {30=[|v_#memory_$Pointer$.offset_77|, v_prenex_8], 40=[v_prenex_6, |v_#memory_$Pointer$.base_83|], 42=[v_prenex_3], 56=[v_prenex_4]} [2020-12-23 17:25:47,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:47,264 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-12-23 17:25:47,265 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:47,266 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 358 treesize of output 504 [2020-12-23 17:25:47,280 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:47,985 WARN L197 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-12-23 17:25:47,986 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:48,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:48,356 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2020-12-23 17:25:48,357 INFO L348 Elim1Store]: treesize reduction 44, result has 78.6 percent of original size [2020-12-23 17:25:48,358 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 358 treesize of output 424 [2020-12-23 17:25:48,368 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 17:25:49,020 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-12-23 17:25:49,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 17:25:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 17:25:49,064 INFO L173 IndexEqualityManager]: detected equality via solver